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BooksManagementSystem（图书管理系统）

时间：2023-02-13 14:47:24浏览次数：46  
标签：管理系统 width delay webkit animation duration import BooksManagementSystem 图书

一、数据库

  1. 创建数据库

    -- 添加数据库
create database if not exists bms;

  2. 创建表

    -- 创建user表
create table `user`(
`id` int(11) not null auto_increment comment '学号',
`username` varchar(20) default null,
`password` varchar(20) default null,
primary key(`id`)
)ENGINE=InnoDB AUTO_INCREMENT=1 DEFAULT CHARSET=utf8;
    -- 创建一个表
create table `book`(
`bookID` int(11) not null auto_increment comment '图书编号',
`bookName` varchar(20) default null comment '图书名称',
`bookPublishing` varchar(20) default null comment '图书出版社',
`bookAuthor` varchar(20) default null comment '图书作者',
primary key(`bookID`)
)ENGINE=InnoDB AUTO_INCREMENT=1 DEFAULT CHARSET=utf8;

  3. 插入数据

    -- 表中添加数据
insert into `book` values(1,'国学的读与做','华夏出版社','潘志坚，江洋 著');
insert into `book` values
(null,'浮生六记（软精装）','江苏人民出版社','[清] 沈复 著，霍振国 译'),
(null,'标准日语临摹字帖','	江苏凤凰科学技术出版社','易人外语编辑部 编');

二、搭建maven环境

  1. 搭建框架：dao、Filter、pojo、service、servlet、utils、app

  2. pom.xml中配置依赖

    <?xml version="1.0" encoding="UTF-8"?>

<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
  xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
  <modelVersion>4.0.0</modelVersion>

  <groupId>com.lyh</groupId>
  <artifactId>BooksManagementSystem</artifactId>
  <version>1.0-SNAPSHOT</version>
  <packaging>war</packaging>

  <properties>
    <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
    <maven.compiler.source>1.7</maven.compiler.source>
    <maven.compiler.target>1.7</maven.compiler.target>
  </properties>
  <dependencies>
<!--    mysql驱动依赖-->
    <dependency>
      <groupId>mysql</groupId>
      <artifactId>mysql-connector-java</artifactId>
      <version>5.1.47</version>
    </dependency>
<!--    servlet依赖-->
    <dependency>
      <groupId>javax.servlet</groupId>
      <artifactId>javax.servlet-api</artifactId>
      <version>3.1.0</version>
    </dependency>
<!--    测试依赖-->
    <dependency>
      <groupId>org.junit.jupiter</groupId>
      <artifactId>junit-jupiter</artifactId>
      <version>5.9.1</version>
      <scope>test</scope>
    </dependency>
<!--    jstl标签库-->
    <dependency>
      <groupId>javax.servlet.jsp.jstl</groupId>
      <artifactId>jstl-api</artifactId>
      <version>1.2</version>
    </dependency>
    <dependency>
      <groupId>taglibs</groupId>
      <artifactId>standard</artifactId>
      <version>1.1.2</version>
    </dependency>

  </dependencies>
</project>

  3. web.xml修改头部

    <?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns="http://xmlns.jcp.org/xml/ns/javaee"
         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee
          http://xmlns.jcp.org/xml/ns/javaee/web-app_4_0.xsd"
         version="4.0">
  <display-name>Archetype Created Web Application</display-name>
  <!--    设置欢迎页面-->
  <welcome-file-list>
    <welcome-file>login.jsp</welcome-file>
  </welcome-file-list>
</web-app>

  4. 配置tomcat，并运行

  5. 导入resources配置文件

    driver=com.mysql.jdbc.Driver
url=jdbc:mysql://localhost:3306/bms?useUnicode=true&characterEncoding=utf8&useSSL=true
username=root
password=123456

  6. 编写过滤器Filter

    package com.lyh.Filter;

import javax.servlet.*;
import javax.servlet.annotation.WebFilter;
import java.io.IOException;
//处理乱码问题
@WebFilter("/*")
public class CharacterFilter implements Filter {
    @Override
    public void init(FilterConfig filterConfig) throws ServletException {

    }

    @Override
    public void doFilter(ServletRequest servletRequest, ServletResponse servletResponse, FilterChain filterChain) throws IOException, ServletException {
        servletRequest.setCharacterEncoding("UTF-8");
        filterChain.doFilter(servletRequest,servletResponse);
    }

    @Override
    public void destroy() {

    }
}

三、编写pojo实体类

  1. user实体类

    package com.lyh.pojo;

public class User {
    private Integer id;
    private String userName;
    private String passWord;

    public User() {
    }

    public User(Integer id, String userName, String passWord) {
        this.id = id;
        this.userName = userName;
        this.passWord = passWord;
    }

    public Integer getId() {
        return id;
    }

    public void setId(Integer id) {
        this.id = id;
    }

    public String getUserName() {
        return userName;
    }

    public void setUserName(String userName) {
        this.userName = userName;
    }

    public String getPassWord() {
        return passWord;
    }

    public void setPassWord(String passWord) {
        this.passWord = passWord;
    }

    @Override
    public String toString() {
        return "user{" +
                "id=" + id +
                ", userName='" + userName + '\'' +
                ", passWord='" + passWord + '\'' +
                '}';
    }
}

  2. book实体类

    package com.lyh.pojo;

public class Book {
    private Integer bookID;
    private String bookName;
    private String bookPublishing;
    private String bookAuthor;

    public Book() {
    }

    public Book(Integer bookID, String bookName, String bookPublishing, String bookAuthor) {
        this.bookID = bookID;
        this.bookName = bookName;
        this.bookPublishing = bookPublishing;
        this.bookAuthor = bookAuthor;
    }

    public Integer getBookID() {
        return bookID;
    }

    public void setBookID(Integer bookID) {
        this.bookID = bookID;
    }

    public String getBookName() {
        return bookName;
    }

    public void setBookName(String bookName) {
        this.bookName = bookName;
    }

    public String getBookPublishing() {
        return bookPublishing;
    }

    public void setBookPublishing(String bookPublishing) {
        this.bookPublishing = bookPublishing;
    }

    public String getBookAuthor() {
        return bookAuthor;
    }

    public void setBookAuthor(String bookAuthor) {
        this.bookAuthor = bookAuthor;
    }

    @Override
    public String toString() {
        return "user{" +
                "bookID=" + bookID +
                ", bookName='" + bookName + '\'' +
                ", bookPublishing='" + bookPublishing + '\'' +
                ", bookAuthor='" + bookAuthor + '\'' +
                '}';
    }
}

四、编写dao层

  1. 编写jdbc连接类（也就是BaseDao）并测试

    package com.lyh.dao;

import com.lyh.pojo.User;
import org.junit.jupiter.api.Test;

import java.io.IOException;
import java.io.InputStream;
import java.sql.*;
import java.util.Properties;

/**
 * 连接数据库工具类
 */
public class BaseDao {
    private static String driver;
    private static String url;
    private static String username;
    private static String password;

    private Connection connection;
    private ResultSet resultSet;
    private PreparedStatement preparedStatement;

    //静态代码块，类加载的时候就初始化了
    static {
        Properties properties = new Properties();
        /*
         BaseDao.class获取当前工具类的Class文件
         getClassLoader()获取该Class文件的类装载器
         getResourceAsStream(“db.properties”)通过类加载器的方法加载资源,返回的是字节流
         使用Properties类是为了可以从.properties属性文件对应的文件输入流中，
         加载属性列表到Properties类对象，
         然后通过getProperty方法用指定的键在此属性列表中搜索属性
         */
        //通过类加载器读取对应的资源
        InputStream resourceAsStream = BaseDao.class.getClassLoader().getResourceAsStream("db.properties");
        try {
            properties.load(resourceAsStream);
        } catch (IOException e) {
            e.printStackTrace();
        }
        driver = properties.getProperty("driver");
        url = properties.getProperty("url");
        username = properties.getProperty("username");
        password = properties.getProperty("password");
        try {
            //加载驱动
            Class.forName(driver);
        } catch (ClassNotFoundException e) {
            e.printStackTrace();
        }
    }

    //创建连接
    private void getconnection() {
        try {
            connection = DriverManager.getConnection(url, username, password);
        } catch (SQLException e) {
            e.printStackTrace();
        }
    }
    //执行sql语句

    /**
     * Object...意思就是你写一个参数，他读取一个参数，写两个读取两个
     */
    //增删改
    public int executeUpdate(String sql, Object... objects) {
        //获取连接
        getconnection();
        try {
            //select * from user where name=? and pwd=?;
            preparedStatement = connection.prepareStatement(sql);
            if (objects != null) {
                for (int i = 0; i < objects.length; i++) {
                    preparedStatement.setObject(i + 1, objects[i]);
                }
            }
            int i = preparedStatement.executeUpdate();
            //关闭资源
            close();
            return i;
        } catch (SQLException e) {
            e.printStackTrace();
        }
        return -1;
    }
    //查询
    public ResultSet executeQuery(String sql,Object...objects){
        //获取连接
        getconnection();
        try {
            preparedStatement = connection.prepareStatement(sql);
            if (objects!=null){
                for (int i = 0; i < objects.length; i++) {
                    preparedStatement.setObject(i+1,objects[i]);
                }
            }
            resultSet = preparedStatement.executeQuery();
            return resultSet;
        } catch (SQLException e) {
            e.printStackTrace();
        }
        return null;
    }

    //关闭连接
    public void close() {

        try {
            if (resultSet != null) {
                resultSet.close();
            }
            if (preparedStatement != null) {
                preparedStatement.close();
            }
            if (connection != null) {
                connection.close();
            }
        } catch (SQLException e) {
            e.printStackTrace();
            System.out.println("失败");
        }

    }
//    @Test
//    public void t1(){
//        User user = new User(null,"王子恩","123123");
//        String sql="insert into `user`(username,password) values('"+user.getUserName()+"','"+user.getPassWord()+"');";
//        int update = executeUpdate(sql);
//        if (update>0){
//            System.out.println("添加成功");
//        }
//    }

}

  2. 编写UserDao接口

    package com.lyh.dao.user;

import com.lyh.pojo.User;

public interface UserDao {
    //添加用户
    boolean addUser(User user);
    //查询用户信息（登录）
    User Login(User user);
}

  3. 编写UserDaoImpl实现类

    package com.lyh.dao.user;

import com.lyh.dao.BaseDao;
import com.lyh.pojo.User;

import java.sql.ResultSet;
import java.sql.SQLException;

public class UserDaoImpl extends BaseDao implements UserDao {
    @Override
    public boolean addUser(User user) {
        String sql="insert into `user`(username,password) values(?,?);";
        int i = this.executeUpdate(sql, user.getUserName(), user.getPassWord());
        if (i<=0){
            return false;
        }
        return true;
    }

    @Override
    public User Login(User user) {
        String sql="select * from user where username=? and password=?";
        ResultSet resultSet = this.executeQuery(sql, user.getUserName(), user.getPassWord());
        System.out.println(sql);
        try {
            User user1=null;
            if (resultSet.next()){
                user1=new User(resultSet.getInt(1),resultSet.getString(2),resultSet.getString(3));

            }
            close();
            return user1;
        } catch (SQLException e) {
            e.printStackTrace();
        }
        return null;
    }
}

  4. 编写BookDao

    package com.lyh.dao.book;

import com.lyh.pojo.Book;

import java.util.List;

/**
 * 图书实例化接口
 */
public interface BookDao {
    //查询图书
    List<Book> listBookByName(String bookName);
    //添加图书
    int addBook(Book book);
    //修改图书
    int updateBook(Book book);
    //删除图书
    int delBook(Integer bookID);

}

  5. 编写BookDaoImpl

    package com.lyh.dao.book;

import com.lyh.dao.BaseDao;
import com.lyh.pojo.Book;

import java.sql.ResultSet;
import java.sql.SQLException;
import java.util.ArrayList;
import java.util.List;

public class BookDaoImpl extends BaseDao implements BookDao {
    @Override
    public List<Book> listBookByName(String bookName) {
        List list = new ArrayList();
        String sql="select * from book;";
        ResultSet resultSet = executeQuery(sql);
        try {
            while (resultSet.next()){
                Book book = new Book(
                        resultSet.getInt(1),
                        resultSet.getString(2),
                        resultSet.getString(3),
                        resultSet.getString(4)
                );
                list.add(book);
            }
        } catch (SQLException e) {
            e.printStackTrace();
            System.out.println("查询错误");
        }
        return list;
    }

    @Override
    public int addBook(Book book) {
        String sql="insert into book(bookName,bookPublishing,bookAuthor) values(?,?,?);";
        return executeUpdate(sql,book.getBookName(),book.getBookPublishing(),book.getBookAuthor());
    }

    @Override
    public int updateBook(Book book) {
        String sql="update book set bookName=?,bookPublishing=?,bookAuthor=? where bookID=?;";
        return executeUpdate(sql,book.getBookName(),book.getBookPublishing(),book.getBookAuthor(),book.getBookID());
    }

    @Override
    public int delBook(Integer bookID) {
        String sql="delete from book where bookID=?;";
        return executeUpdate(sql,bookID);
    }
}

五、编写service层

  1. 编写UserService接口

    package com.lyh.service;

import com.lyh.pojo.User;

public interface UserService {
    /**
     * 用户注册
     */
    boolean doRegedit(User user);
    /**
     * 用户登录
     */
    User doLogin(User user);
}

  2. 编写UserServiceImpl实现类

    package com.lyh.service;

import com.lyh.dao.user.UserDao;
import com.lyh.dao.user.UserDaoImpl;
import com.lyh.pojo.User;

public class UserServiceImpl implements UserService {
    private UserDao userDao=new UserDaoImpl();
    @Override
    public boolean doRegedit(User user) {
        return userDao.addUser(user);
    }

    @Override
    public User doLogin(User user) {
        return userDao.Login(user);
    }
}

  3. 编写BookService

    package com.lyh.service;

import com.lyh.pojo.Book;

import java.util.List;

public interface BookService {
    //查询图书
    List<Book> listBookByName(String bookName);
    //添加图书
    int addBook(Book book);
    //修改图书
    int updateBook(Book book);
    //删除图书
    int delBook(Integer bookID);
}

  4. 编写BookServiceImpl

    package com.lyh.service;

import com.lyh.dao.book.BookDao;
import com.lyh.dao.book.BookDaoImpl;
import com.lyh.pojo.Book;

import java.util.List;

public class BookServiceImpl implements BookService{
    private BookDao bookDao=new BookDaoImpl();
    @Override
    public List<Book> listBookByName(String bookName) {
        return bookDao.listBookByName(bookName);
    }

    @Override
    public int addBook(Book book) {
        return bookDao.addBook(book);
    }

    @Override
    public int updateBook(Book book) {
        return bookDao.updateBook(book);
    }

    @Override
    public int delBook(Integer bookID) {
        return bookDao.delBook(bookID);
    }
}

六、编写servlet层

  1. 编写LoginServlet类（登录）：从页面上抓取数据添加到数据库中；往service层传递数据

    package com.lyh.servlet;

import com.lyh.pojo.User;
import com.lyh.service.UserService;
import com.lyh.service.UserServiceImpl;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

@WebServlet("/doLogin")
public class LoginServlet extends HttpServlet {
    private UserService userService=new UserServiceImpl();
    @Override
    protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        String username = req.getParameter("username");
        String password = req.getParameter("password");
        User user = new User(null, username, password);
        User user1 = userService.doLogin(user);
        if (user1!=null){
            req.getSession().setAttribute("user",user);
            resp.sendRedirect("index.jsp");
        }else {
            resp.sendRedirect("error.jsp");
        }
    }

    @Override
    protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        doGet(req, resp);
    }
}

  2. 编写RegeditServlet类（注册）：从页面上抓取数据添加到数据库中；往service层传递数据

    package com.lyh.servlet;

import com.lyh.pojo.User;
import com.lyh.service.UserService;
import com.lyh.service.UserServiceImpl;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

@WebServlet("/doRegedit")
public class RegeditServlet extends HttpServlet {
    private UserService userService=new UserServiceImpl();
    @Override
    protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        String username = req.getParameter("username");
        String password = req.getParameter("password");
        User user = new User(null,username,password);
        boolean b = userService.doRegedit(user);
        if (b){
            resp.sendRedirect("login.jsp");
        }else {
            resp.sendRedirect("error.jsp");
        }
    }

    @Override
    protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        doGet(req, resp);
    }
}

  3. 编写AddBookServlet类（添加）：从页面上抓取数据添加到数据库中：往service层传递数据

    package com.lyh.servlet;

import com.lyh.pojo.Book;
import com.lyh.service.BookService;
import com.lyh.service.BookServiceImpl;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

/**
 * 添加图书
 */
@WebServlet("/addBook")
public class AddBookServlet extends HttpServlet {
    private BookService bookService=new BookServiceImpl();
    @Override
    protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        String bookName = req.getParameter("bookName");
        String bookPublishing = req.getParameter("bookPublishing");
        String bookAuthor = req.getParameter("bookAuthor");
        Book book = new Book(null,bookName,bookPublishing,bookAuthor);
        int i = bookService.addBook(book);
        if (i>0){
            System.out.println("添加成功");
            resp.sendRedirect("HomePage.jsp");
        }else {
            resp.sendRedirect("error.jsp");
        }
    }

    @Override
    protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        doGet(req, resp);
    }
}

  4. 编写DelBookServlet类（删除）：根据页面session中活得图书编号然后根据编号删除这一类

    package com.lyh.servlet;

import com.lyh.service.BookService;
import com.lyh.service.BookServiceImpl;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

@WebServlet("/delBook")
public class DelBookServlet extends HttpServlet {
    private BookService bookService=new BookServiceImpl();
    @Override
    protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        String bookID = req.getParameter("bookID");
        int i = bookService.delBook(Integer.parseInt(bookID));
        if (i>0){
            System.out.println("删除成功");
            resp.sendRedirect("HomePage.jsp");
        }else {
            System.out.println("删除失败");
            resp.sendRedirect("error.jsp");
        }
    }

    @Override
    protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        doGet(req, resp);
    }
}

  5. 编写UpdateServlet类（修改）：从页面上抓取数据添加到数据库中：往service层传递数据

    package com.lyh.servlet;

import com.lyh.pojo.Book;
import com.lyh.service.BookService;
import com.lyh.service.BookServiceImpl;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

@WebServlet("/UpdateBook")
public class UpdateServlet extends HttpServlet {
    private BookService bookService=new BookServiceImpl();
    @Override
    protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        String bookID = req.getParameter("bookID");
        String bookName = req.getParameter("bookName");
        String bookPublishing = req.getParameter("bookPublishing");
        String bookAuthor = req.getParameter("bookAuthor");
        Book book = new Book();
        book.setBookID(Integer.valueOf(bookID));
        book.setBookName(bookName);
        book.setBookPublishing(bookPublishing);
        book.setBookAuthor(bookAuthor);
        int i = bookService.updateBook(book);
        if (i>0){
            System.out.println("修改成功");
            resp.sendRedirect("HomePage.jsp");
        }else {
            resp.sendRedirect("error.jsp");
        }
    }

    @Override
    protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        doGet(req, resp);
    }
}

  6. 编写ListBookFilter过滤器(过滤页面直接显示数据库中的数据到页面，每次访问都会过滤)

    package com.lyh.Filter;

import com.lyh.pojo.Book;
import com.lyh.service.BookService;
import com.lyh.service.BookServiceImpl;

import javax.servlet.*;
import javax.servlet.annotation.WebFilter;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpSession;
import java.io.IOException;
import java.util.List;

@WebFilter("/HomePage.jsp")
public class ListBookFilter implements Filter {
    private BookService bookService=new BookServiceImpl();
    @Override
    public void init(FilterConfig filterConfig) throws ServletException {


    }

    @Override
    public void doFilter(ServletRequest servletRequest, ServletResponse servletResponse, FilterChain filterChain) throws IOException, ServletException {
        HttpSession session = ((HttpServletRequest) servletRequest).getSession();
        List<Book> books = bookService.listBookByName(null);
        session.setAttribute("bookList",books);
        filterChain.doFilter(servletRequest,servletResponse);
    }

    @Override
    public void destroy() {

    }
}

七、前端页面

  1. 错误页面（error.jsp）

    <%--
  Created by IntelliJ IDEA.
  User: Admin
  Date: 2023/2/11
  Time: 16:52
  To change this template use File | Settings | File Templates.
--%>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
    <title>Title</title>
</head>
<body>
<h1>
    你是猪吗，这都能输入戳错误
</h1>

</body>
</html>

  2. 登录页面（login.jsp）

    <%--
  Created by IntelliJ IDEA.
  User: Admin
  Date: 2023/1/4
  Time: 19:52
  To change this template use File | Settings | File Templates.
--%>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>用户登录</title>
    <style type="text/css">
        * {
            box-sizing: border-box;
        }
        body {
            margin: 0;
            padding: 0;
            font: 16px/20px microsft yahei;
        }
        .wrap {
            width: 100%;
            height: 100%;
            padding: 10% 0;
            position: fixed;
            opacity: 0.8;
            background: linear-gradient(to bottom right,#000000, #656565);
            background: -webkit-linear-gradient(to bottom right,#50a3a2,#53e3a6);
        }
        .container {
            width: 60%;
            margin: 0 auto;
        }
                .container h1 {
            text-align: center;
            color: #FFFFFF;
            font-weight: 500;
        }
        .container input {
            width: 320px;
            display: block;
            height: 36px;
            border: 0;
            outline: 0;
            padding: 6px 10px;
            line-height: 24px;
            margin: 32px auto;
            -webkit-transition: all 0s ease-in 0.1ms;
            -moz-transition: all 0s ease-in 0.1ms;
            transition: all 0s ease-in 0.1ms;
        }
        .container input[type="text"] , .container input[type="password"]  {
            background-color: #FFFFFF;
            font-size: 16px;
            color: #50a3a2;
        }
        .container input[type='submit'] {
            font-size: 16px;
            letter-spacing: 2px;
            color: #666666;
            background-color: #FFFFFF;
        }
        .container input:focus {
            width: 400px;
        }
        .container input[type='submit']:hover {
            cursor: pointer;
            width: 400px;
        }
        .to_login{
            color: #a7c4c9;
        }
        .text{
            color: #e2dfe4;
        }
        .wrap ul {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            z-index: -20;
            background-color: thistle;
        }
        .wrap ul li {
            list-style-type: none;
            display: block;
            position: absolute;
            bottom: -120px;
            width: 15px;
            height: 15px;
            z-index: -8;
            border-radius: 50%;
            background-color:rgba(255, 255, 255, 0.15);
            animotion: square 25s infinite;
            -webkit-animation: square 25s infinite;
            background-color: cornflowerblue;
        }
        .wrap ul li:nth-child(1) {
            left: 0;
            animation-duration: 10s;
            -moz-animation-duration: 10s;
            -o-animation-duration: 10s;
            -webkit-animation-duration: 10s;
        }
        .wrap ul li:nth-child(2) {
            width: 40px;
            height: 40px;
            left: 10%;
            animation-duration: 15s;
            -moz-animation-duration: 15s;
            -o-animation-duration: 15s;
            -webkit-animation-duration: 11s;
        }
        .wrap ul li:nth-child(3) {
            left: 20%;
            width: 25px;
            height: 25px;
            animation-duration: 12s;
            -moz-animation-duration: 12s;
            -o-animation-duration: 12s;
            -webkit-animation-duration: 12s;
        }
        .wrap ul li:nth-child(4) {
            width: 50px;
            height: 50px;
            left: 30%;
            -webkit-animation-delay: 3s;
            -moz-animation-delay: 3s;
            -o-animation-delay: 3s;
            animation-delay: 3s;
            animation-duration: 12s;
            -moz-animation-duration: 12s;
            -o-animation-duration: 12s;
            -webkit-animation-duration: 12s;
        }
        .wrap ul li:nth-child(5) {
            width: 60px;
            height: 60px;
            left: 40%;
            animation-duration: 10s;
            -moz-animation-duration: 10s;
            -o-animation-duration: 10s;
            -webkit-animation-duration: 10s;
        }
        .wrap ul li:nth-child(6) {
            width: 75px;
            height: 75px;
            left: 50%;
            -webkit-animation-delay: 7s;
            -moz-animation-delay: 7s;
            -o-animation-delay: 7s;
            animation-delay: 7s;
        }
        .wrap ul li:nth-child(7) {
            left: 60%;
            width: 30px;
            height: 30px;
            animation-duration: 8s;
            -moz-animation-duration: 8s;
            -o-animation-duration: 8s;
            -webkit-animation-duration: 8s;
        }
        .wrap ul li:nth-child(8) {
            width: 90px;
            height: 90px;
            left: 70%;
            -webkit-animation-delay: 4s;
            -moz-animation-delay: 4s;
            -o-animation-delay: 4s;
            animation-delay: 4s;
        }
        .wrap ul li:nth-child(9) {
            width: 50px;
            height: 50px;
            left: 80%;
            animation-duration: 20s;
            -moz-animation-duration: 20s;
            -o-animation-duration: 20s;
            -webkit-animation-duration: 20s;
        }
        .wrap ul li:nth-child(10) {
            width: 75px;
            height: 75px;
            left: 90%;
            -webkit-animation-delay: 6s;
            -moz-animation-delay: 6s;
            -o-animation-delay: 6s;
            animation-delay: 6s;
            animation-duration: 30s;
            -moz-animation-duration: 30s;
            -o-animation-duration: 30s;
            -webkit-animation-duration: 30s;
        }
        @keyframes square {
            0% {
                -webkit-transform: translateY(0);
                transform: translateY(0)
            }
            100% {
                bottom: 400px;
                -webkit-transform: translateY(-500);
                transform: translateY(-500)
            }
        }
        @-webkit-keyframes square {
            0% {
                -webkit-transform: translateY(0);
                transform: translateY(0)
            }
            100% {
                bottom: 400px;
                -webkit-transform: translateY(-500);
                transform: translateY(-500)
            }
        }
    </style>
</head>
<body>
<div class="wrap">
        <div class="container">
            <h1 style="color: white; margin: 0; text-align: center">Sign up</h1>
            <form action="./doLogin" method="post">
    <label><input type="text" name="username" placeholder="Your username"/></label>
    <label><input type="password" name="password" placeholder="password" /></label>

                <input type="submit" value="Sign up"/>
                <p class="change_link" style="text-align: center">
                    <span class="text">Already a member ?</span>
                    <a href="redegit.jsp" class="to_login"> Go and log in </a>
                </p>
            </form>
        </div>
        <ul>
            <li></li>
            <li></li>
            <li></li>
            <li></li>
            <li></li>
            <li></li>
            <li></li>
            <li></li>
            <li></li>
            <li></li>
    <li></li>
            <li></li>
            <li></li>
            <li></li>
            <li></li>
            <li></li>
            <li></li>
            <li></li>
            <li></li>
            <li></li>
        </ul>
</div>
</body>
</html>

  3. 注册页面（redegit.jsp）

    <%--
  Created by IntelliJ IDEA.
  User: Admin
  Date: 2023/2/11
  Time: 18:48
  To change this template use File | Settings | File Templates.
--%>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>用户注册</title>
    <style type="text/css">
        * {
            box-sizing: border-box;
        }
        body {
            margin: 0;
            padding: 0;
            font: 16px/20px microsft yahei;
        }
        .wrap {
            width: 100%;
            height: 100%;
            padding: 10% 0;
            position: fixed;
            opacity: 0.8;
            background: linear-gradient(to bottom right,#000000, #656565);
            background: -webkit-linear-gradient(to bottom right,#50a3a2,#53e3a6);
        }
        .container {
            width: 60%;
            margin: 0 auto;
        }
                .container h1 {
            text-align: center;
            color: #FFFFFF;
            font-weight: 500;
        }
        .container input {
            width: 320px;
            display: block;
            height: 36px;
            border: 0;
            outline: 0;
            padding: 6px 10px;
            line-height: 24px;
            margin: 32px auto;
            -webkit-transition: all 0s ease-in 0.1ms;
            -moz-transition: all 0s ease-in 0.1ms;
            transition: all 0s ease-in 0.1ms;
        }
        .container input[type="text"] , .container input[type="password"]  {
            background-color: #FFFFFF;
            font-size: 16px;
            color: #50a3a2;
        }
        .container input[type='submit'] {
            font-size: 16px;
            letter-spacing: 2px;
            color: #666666;
            background-color: #FFFFFF;
        }
        .container input:focus {
            width: 400px;
        }
        .container input[type='submit']:hover {
            cursor: pointer;
            width: 400px;
        }
        .to_login{
            color: #a7c4c9;
        }
        .text{
            color: #e2dfe4;
        }
        .wrap ul {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            z-index: -20;
            background-color:cadetblue;
        }
        .wrap ul li {
            list-style-type: none;
            display: block;
            position: absolute;
            bottom: -120px;
            width: 15px;
            height: 15px;
            z-index: -8;
            border-radius: 50%;
            background-color:rgba(255, 255, 255, 0.15);
            animotion: square 25s infinite;
            -webkit-animation: square 25s infinite;
        }
        .wrap ul li:nth-child(1) {
            left: 0;
            animation-duration: 10s;
            -moz-animation-duration: 10s;
            -o-animation-duration: 10s;
            -webkit-animation-duration: 10s;
        }
        .wrap ul li:nth-child(2) {
            width: 40px;
            height: 40px;
            left: 10%;
            animation-duration: 15s;
            -moz-animation-duration: 15s;
            -o-animation-duration: 15s;
            -webkit-animation-duration: 11s;
        }
        .wrap ul li:nth-child(3) {
            left: 20%;
            width: 25px;
            height: 25px;
            animation-duration: 12s;
            -moz-animation-duration: 12s;
            -o-animation-duration: 12s;
            -webkit-animation-duration: 12s;
        }
        .wrap ul li:nth-child(4) {
            width: 50px;
            height: 50px;
            left: 30%;
            -webkit-animation-delay: 3s;
            -moz-animation-delay: 3s;
            -o-animation-delay: 3s;
            animation-delay: 3s;
            animation-duration: 12s;
            -moz-animation-duration: 12s;
            -o-animation-duration: 12s;
            -webkit-animation-duration: 12s;
        }
        .wrap ul li:nth-child(5) {
            width: 60px;
            height: 60px;
            left: 40%;
            animation-duration: 10s;
            -moz-animation-duration: 10s;
            -o-animation-duration: 10s;
            -webkit-animation-duration: 10s;
        }
        .wrap ul li:nth-child(6) {
            width: 75px;
            height: 75px;
            left: 50%;
            -webkit-animation-delay: 7s;
            -moz-animation-delay: 7s;
            -o-animation-delay: 7s;
            animation-delay: 7s;
        }
        .wrap ul li:nth-child(7) {
            left: 60%;
            width: 30px;
            height: 30px;
            animation-duration: 8s;
            -moz-animation-duration: 8s;
            -o-animation-duration: 8s;
            -webkit-animation-duration: 8s;
        }
        .wrap ul li:nth-child(8) {
            width: 90px;
            height: 90px;
            left: 70%;
            -webkit-animation-delay: 4s;
            -moz-animation-delay: 4s;
            -o-animation-delay: 4s;
            animation-delay: 4s;
        }
        .wrap ul li:nth-child(9) {
            width: 50px;
            height: 50px;
            left: 80%;
            animation-duration: 20s;
            -moz-animation-duration: 20s;
            -o-animation-duration: 20s;
            -webkit-animation-duration: 20s;
        }
        .wrap ul li:nth-child(10) {
            width: 75px;
            height: 75px;
            left: 90%;
            -webkit-animation-delay: 6s;
            -moz-animation-delay: 6s;
            -o-animation-delay: 6s;
            animation-delay: 6s;
            animation-duration: 30s;
            -moz-animation-duration: 30s;
            -o-animation-duration: 30s;
            -webkit-animation-duration: 30s;
        }
        @keyframes square {
            0% {
                -webkit-transform: translateY(0);
                transform: translateY(0)
            }
            100% {
                bottom: 400px;
                -webkit-transform: translateY(-500);
                transform: translateY(-500)
            }
        }
        @-webkit-keyframes square {
            0% {
                -webkit-transform: translateY(0);
                transform: translateY(0)
            }
            100% {
                bottom: 400px;
                -webkit-transform: translateY(-500);
                transform: translateY(-500)
            }
        }
    </style>
</head>
<body>
<div class="wrap">
        <div class="container">
            <h1 style="color: white; margin: 0; text-align: center">Sign up</h1>
            <form action="./doRegedit" method="post" id="regedit">
    <label><input type="text" placeholder="Your username" name="username"/></label>
    <label><input type="password" placeholder="password" id="pwd" value="" name="password" /></label>
    <label><input type="password" placeholder="Please confirm your password" id="tmpPwd" value="" name="tmppassword" /></label>
                <input type="submit" value="Register" onclick="regedit()"/>
                <p class="change_link" style="text-align: center">
                    <span class="text">Already a member ?</span>
                </p>
            </form>
        </div>
        <ul>
            <li></li>
            <li></li>
            <li></li>
            <li></li>
            <li></li>
            <li></li>
            <li></li>
            <li></li>
            <li></li>
            <li></li>
    <li></li>
            <li></li>
            <li></li>
            <li></li>
            <li></li>
            <li></li>
            <li></li>
            <li></li>
            <li></li>
            <li></li>
        </ul>
</div>
<script type="text/javascript">
    function  regedit() {
        var pwdEL = document.getElementById("pwd");
        var tmpPwdEL = document.getElementById("tmpPwd");
        if(pwdEL.value==tmpPwdEL.value && pwdEL.value!=null&&pwdEL!=""){
            //数据进行提交
            document.getElementById("regedit").submit();
        }

    }
</script>
</body>
</html>

  4. 主页面（HomePage.jsp）

    <%--
  Created by IntelliJ IDEA.
  User: Admin
  Date: 2023/1/4
  Time: 19:52
  To change this template use File | Settings | File Templates.
--%>
<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>用户主页面</title>
    <style type="text/css">
        * {
            box-sizing: border-box;
            margin-right: 20px;
        }

        body {
            margin: 0;
            padding: 0;
            font: 16px/20px microsft yahei;
        }

        .wrap {
            width: 100%;
            height: 100%;
            padding: 10% 0;
            position: fixed;
            opacity: 0.8;
            background: linear-gradient(to bottom right, #000000, #656565);
            background: -webkit-linear-gradient(to bottom right, #50a3a2, #53e3a6);
        }

        .container {
            width: 60%;
            margin: 0 auto;
        }

        .container h1 {
            text-align: center;
            color: #FFFFFF;
            font-weight: 500;
        }

        .container input {
            width: 320px;
            display: block;
            height: 36px;
            border: 0;
            outline: 0;
            padding: 6px 10px;
            line-height: 24px;
            margin: 32px auto;
            -webkit-transition: all 0s ease-in 0.1ms;
            -moz-transition: all 0s ease-in 0.1ms;
            transition: all 0s ease-in 0.1ms;
        }

        .container input[type="text"],
        .container input[type="password"] {
            background-color: #FFFFFF;
            font-size: 16px;
            color: #50a3a2;
        }

        .container input[type='submit'] {
            font-size: 16px;
            letter-spacing: 2px;
            color: #666666;
            background-color: #FFFFFF;
        }

        .container input:focus {
            width: 400px;
        }

        .container input[type='submit']:hover {
            cursor: pointer;
            width: 400px;
        }

        .to_login {
            color: #a7c4c9;
        }

        .text {
            color: #e2dfe4;
        }

        .wrap ul {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            z-index: -20;
            background-color: cadetblue;
        }

        .wrap ul li {
            list-style-type: none;
            display: block;
            position: absolute;
            bottom: -120px;
            width: 15px;
            height: 15px;
            z-index: -8;
            border-radius: 50%;
            background-color: rgba(255, 255, 255, 0.15);
            animotion: square 25s infinite;
            -webkit-animation: square 25s infinite;
        }

        .wrap ul li:nth-child(1) {
            left: 0;
            animation-duration: 10s;
            -moz-animation-duration: 10s;
            -o-animation-duration: 10s;
            -webkit-animation-duration: 10s;
        }

        .wrap ul li:nth-child(2) {
            width: 40px;
            height: 40px;
            left: 10%;
            animation-duration: 15s;
            -moz-animation-duration: 15s;
            -o-animation-duration: 15s;
            -webkit-animation-duration: 11s;
        }

        .wrap ul li:nth-child(3) {
            left: 20%;
            width: 25px;
            height: 25px;
            animation-duration: 12s;
            -moz-animation-duration: 12s;
            -o-animation-duration: 12s;
            -webkit-animation-duration: 12s;
        }

        .wrap ul li:nth-child(4) {
            width: 50px;
            height: 50px;
            left: 30%;
            -webkit-animation-delay: 3s;
            -moz-animation-delay: 3s;
            -o-animation-delay: 3s;
            animation-delay: 3s;
            animation-duration: 12s;
            -moz-animation-duration: 12s;
            -o-animation-duration: 12s;
            -webkit-animation-duration: 12s;
        }

        .wrap ul li:nth-child(5) {
            width: 60px;
            height: 60px;
            left: 40%;
            animation-duration: 10s;
            -moz-animation-duration: 10s;
            -o-animation-duration: 10s;
            -webkit-animation-duration: 10s;
        }

        .wrap ul li:nth-child(6) {
            width: 75px;
            height: 75px;
            left: 50%;
            -webkit-animation-delay: 7s;
            -moz-animation-delay: 7s;
            -o-animation-delay: 7s;
            animation-delay: 7s;
        }

        .wrap ul li:nth-child(7) {
            left: 60%;
            width: 30px;
            height: 30px;
            animation-duration: 8s;
            -moz-animation-duration: 8s;
            -o-animation-duration: 8s;
            -webkit-animation-duration: 8s;
        }

        .wrap ul li:nth-child(8) {
            width: 90px;
            height: 90px;
            left: 70%;
            -webkit-animation-delay: 4s;
            -moz-animation-delay: 4s;
            -o-animation-delay: 4s;
            animation-delay: 4s;
        }

        .wrap ul li:nth-child(9) {
            width: 50px;
            height: 50px;
            left: 80%;
            animation-duration: 20s;
            -moz-animation-duration: 20s;
            -o-animation-duration: 20s;
            -webkit-animation-duration: 20s;
        }

        .wrap ul li:nth-child(10) {
            width: 75px;
            height: 75px;
            left: 90%;
            -webkit-animation-delay: 6s;
            -moz-animation-delay: 6s;
            -o-animation-delay: 6s;
            animation-delay: 6s;
            animation-duration: 30s;
            -moz-animation-duration: 30s;
            -o-animation-duration: 30s;
            -webkit-animation-duration: 30s;
        }

        @keyframes square {
            0% {
                -webkit-transform: translateY(0);
                transform: translateY(0)
            }

            100% {
                bottom: 400px;
                -webkit-transform: translateY(-500);
                transform: translateY(-500)
            }
        }

        @-webkit-keyframes square {
            0% {
                -webkit-transform: translateY(0);
                transform: translateY(0)
            }

            100% {
                bottom: 400px;
                -webkit-transform: translateY(-500);
                transform: translateY(-500)
            }
        }

        .tab {
            margin: 10px;
        }

        .tab {
            width: 770px;
        }

        .tab>.th {
            display: flex;
            justify-content: space-around;
            color: antiquewhite;
            line-height: 55px;

        }

        .tab>.row {
            display: flex;
            justify-content: space-around;
            margin-top: 20px;
            margin-right: 20px;
        }

        .col {
            width: 100%;
            font-size: 20px;
        }

        .yangshi {
            text-decoration: none;
        }
    </style>
</head>
<body>
<div class="wrap">
       
    <div class="container">
                <h1 style="color: white; margin: 0; text-align: center">图书管理系统</h1>
               
        <form action="./doRegedit" method="post" id="regedit">
            <div>
                <label>
                    <div class="tab">
                        <div class="th">
                            <div class="col">
                                图书编号
                            </div>
                            <div class="col">
                                图书名称
                            </div>
                            <div class="col">
                                图书出版社
                            </div>
                            <div class="col">
                                作者
                            </div>
                            <div class="col">
                                操作
                            </div>
                        </div>
                        <c:forEach items="${sessionScope.get('bookList')}" var="book">
                            <div class="row">
                                <div class="col">${book.bookID}</div>
                                <div class="col">${book.bookName}</div>
                                <div class="col">${book.bookPublishing}</div>
                                <div class="col">${book.bookAuthor}</div>
                                <div class="col">
                                    <span>
                                        <a onclick='location.href="./delBook?bookID=${book.bookID}"' class="yangshi" style="color: antiquewhite">删除</a>
                                    </span>
                                </div>
                            </div>
                        </c:forEach>

                    </div>
                </label>
            </div>
            <div>
                <label>
                </label>
            </div>

                        <p class="change_link" style="text-align: center">
                           <span><a href="AddBook.jsp" style="color: antiquewhite" class="yangshi">添加</a></span>
            <span><a href="UpdateBook.jsp" class="yangshi" style="size:20px;color: antiquewhite ">修改</a></span>
                            <span class="text"><a href="./HomePage.jsp">返回主页</a></span>
                        </p>
                   
        </form>
           
    </div>
       
    <ul>
               
        <li></li>
               
        <li></li>
               
        <li></li>
               
        <li></li>
               
        <li></li>
               
        <li></li>
               
        <li></li>
               
        <li></li>
               
        <li></li>
               
        <li></li>
        <li></li>
               
        <li></li>
               
        <li></li>
               
        <li></li>
               
        <li></li>
               
        <li></li>
               
        <li></li>
               
        <li></li>
               
        <li></li>
               
        <li></li>
           
    </ul>
</div>
</body>
</html>

  5. 添加页面（AddBook.jsp）

    <%--
  Created by IntelliJ IDEA.
  User: Admin
  Date: 2023/2/12
  Time: 14:03
  To change this template use File | Settings | File Templates.
--%>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>添加图书</title>
    <style type="text/css">
        * {
            box-sizing: border-box;
        }
        body {
            margin: 0;
            padding: 0;
            font: 16px/20px microsft yahei;
        }
        .wrap {
            width: 100%;
            height: 100%;
            padding: 10% 0;
            position: fixed;
            opacity: 0.8;
            background: linear-gradient(to bottom right,#000000, #656565);
            background: -webkit-linear-gradient(to bottom right,#50a3a2,#53e3a6);
        }
        .container {
            width: 60%;
            margin: 0 auto;
        }
                .container h1 {
            text-align: center;
            color: #FFFFFF;
            font-weight: 500;
        }
        .container input {
            width: 320px;
            display: block;
            height: 36px;
            border: 0;
            outline: 0;
            padding: 6px 10px;
            line-height: 24px;
            margin: 32px auto;
            -webkit-transition: all 0s ease-in 0.1ms;
            -moz-transition: all 0s ease-in 0.1ms;
            transition: all 0s ease-in 0.1ms;
        }
        .container input[type="text"] , .container input[type="password"]  {
            background-color: #FFFFFF;
            font-size: 16px;
            color: #50a3a2;
        }
        .container input[type='submit'] {
            font-size: 16px;
            letter-spacing: 2px;
            color: #666666;
            background-color: #FFFFFF;
        }
        .container input:focus {
            width: 400px;
        }
        .container input[type='submit']:hover {
            cursor: pointer;
            width: 400px;
        }
        .to_login{
            color: #a7c4c9;
        }
        .text{
            color: #e2dfe4;
        }
        .wrap ul {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            z-index: -20;
            background-color:cadetblue;
        }
        .wrap ul li {
            list-style-type: none;
            display: block;
            position: absolute;
            bottom: -120px;
            width: 15px;
            height: 15px;
            z-index: -8;
            border-radius: 50%;
            background-color:rgba(255, 255, 255, 0.15);
            animotion: square 25s infinite;
            -webkit-animation: square 25s infinite;
        }
        .wrap ul li:nth-child(1) {
            left: 0;
            animation-duration: 10s;
            -moz-animation-duration: 10s;
            -o-animation-duration: 10s;
            -webkit-animation-duration: 10s;
        }
        .wrap ul li:nth-child(2) {
            width: 40px;
            height: 40px;
            left: 10%;
            animation-duration: 15s;
            -moz-animation-duration: 15s;
            -o-animation-duration: 15s;
            -webkit-animation-duration: 11s;
        }
        .wrap ul li:nth-child(3) {
            left: 20%;
            width: 25px;
            height: 25px;
            animation-duration: 12s;
            -moz-animation-duration: 12s;
            -o-animation-duration: 12s;
            -webkit-animation-duration: 12s;
        }
        .wrap ul li:nth-child(4) {
            width: 50px;
            height: 50px;
            left: 30%;
            -webkit-animation-delay: 3s;
            -moz-animation-delay: 3s;
            -o-animation-delay: 3s;
            animation-delay: 3s;
            animation-duration: 12s;
            -moz-animation-duration: 12s;
            -o-animation-duration: 12s;
            -webkit-animation-duration: 12s;
        }
        .wrap ul li:nth-child(5) {
            width: 60px;
            height: 60px;
            left: 40%;
            animation-duration: 10s;
            -moz-animation-duration: 10s;
            -o-animation-duration: 10s;
            -webkit-animation-duration: 10s;
        }
        .wrap ul li:nth-child(6) {
            width: 75px;
            height: 75px;
            left: 50%;
            -webkit-animation-delay: 7s;
            -moz-animation-delay: 7s;
            -o-animation-delay: 7s;
            animation-delay: 7s;
        }
        .wrap ul li:nth-child(7) {
            left: 60%;
            width: 30px;
            height: 30px;
            animation-duration: 8s;
            -moz-animation-duration: 8s;
            -o-animation-duration: 8s;
            -webkit-animation-duration: 8s;
        }
        .wrap ul li:nth-child(8) {
            width: 90px;
            height: 90px;
            left: 70%;
            -webkit-animation-delay: 4s;
            -moz-animation-delay: 4s;
            -o-animation-delay: 4s;
            animation-delay: 4s;
        }
        .wrap ul li:nth-child(9) {
            width: 50px;
            height: 50px;
            left: 80%;
            animation-duration: 20s;
            -moz-animation-duration: 20s;
            -o-animation-duration: 20s;
            -webkit-animation-duration: 20s;
        }
        .wrap ul li:nth-child(10) {
            width: 75px;
            height: 75px;
            left: 90%;
            -webkit-animation-delay: 6s;
            -moz-animation-delay: 6s;
            -o-animation-delay: 6s;
            animation-delay: 6s;
            animation-duration: 30s;
            -moz-animation-duration: 30s;
            -o-animation-duration: 30s;
            -webkit-animation-duration: 30s;
        }
        @keyframes square {
            0% {
                -webkit-transform: translateY(0);
                transform: translateY(0)
            }
            100% {
                bottom: 400px;
                -webkit-transform: translateY(-500);
                transform: translateY(-500)
            }
        }
        @-webkit-keyframes square {
            0% {
                -webkit-transform: translateY(0);
                transform: translateY(0)
            }
            100% {
                bottom: 400px;
                -webkit-transform: translateY(-500);
                transform: translateY(-500)
            }
        }
    </style>
</head>
<body>
<div class="wrap">
        <div class="container">
            <h1 style="color: white; margin: 0; text-align: center">添加图书</h1>
            <form action="./addBook" method="post" id="regedit">
    <label><input type="text" placeholder="图书名称" name="bookName"/></label>
    <label><input type="text" placeholder="图书出版社" name="bookPublishing"/></label>
    <label><input type="text" placeholder="作者" name="bookAuthor"/></label>
                <input type="submit" value="添加"/>
                <p class="change_link" style="text-align: center">
                    <span class="text"><a href="./HomePage.jsp">返回主页面</a></span>
                </p>
            </form>
        </div>
        <ul>
            <li></li>
            <li></li>
            <li></li>
            <li></li>
            <li></li>
            <li></li>
            <li></li>
            <li></li>
            <li></li>
            <li></li>
    <li></li>
            <li></li>
            <li></li>
            <li></li>
            <li></li>
            <li></li>
            <li></li>
            <li></li>
            <li></li>
            <li></li>
        </ul>
</div>
</body>
</html>
</body>
</html>

  6. 修改页面（UpdateBook.jsp）

    <%@ page import="com.lyh.pojo.Book" %><%--
  Created by IntelliJ IDEA.
  User: Admin
  Date: 2023/2/12
  Time: 14:05
  To change this template use File | Settings | File Templates.
--%>
<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>修改页面</title>
    <style type="text/css">
        * {
            box-sizing: border-box;
        }
        body {
            margin: 0;
            padding: 0;
            font: 16px/20px microsft yahei;
        }
        .wrap {
            width: 100%;
            height: 100%;
            padding: 10% 0;
            position: fixed;
            opacity: 0.8;
            background: linear-gradient(to bottom right,#000000, #656565);
            background: -webkit-linear-gradient(to bottom right,#50a3a2,#53e3a6);
        }
        .container {
            width: 60%;
            margin: 0 auto;
        }
                .container h1 {
            text-align: center;
            color: #FFFFFF;
            font-weight: 500;
        }
        .container input {
            width: 320px;
            display: block;
            height: 36px;
            border: 0;
            outline: 0;
            padding: 6px 10px;
            line-height: 24px;
            margin: 32px auto;
            -webkit-transition: all 0s ease-in 0.1ms;
            -moz-transition: all 0s ease-in 0.1ms;
            transition: all 0s ease-in 0.1ms;
        }
        .container input[type="text"] , .container input[type="password"]  {
            background-color: #FFFFFF;
            font-size: 16px;
            color: #50a3a2;
        }
        .container input[type='submit'] {
            font-size: 16px;
            letter-spacing: 2px;
            color: #666666;
            background-color: #FFFFFF;
        }
        .container input:focus {
            width: 400px;
        }
        .container input[type='submit']:hover {
            cursor: pointer;
            width: 400px;
        }
        .to_login{
            color: #a7c4c9;
        }
        .text{
            color: #e2dfe4;
        }
        .wrap ul {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            z-index: -20;
            background-color:cadetblue;
        }
        .wrap ul li {
            list-style-type: none;
            display: block;
            position: absolute;
            bottom: -120px;
            width: 15px;
            height: 15px;
            z-index: -8;
            border-radius: 50%;
            background-color:rgba(255, 255, 255, 0.15);
            animotion: square 25s infinite;
            -webkit-animation: square 25s infinite;
        }
        .wrap ul li:nth-child(1) {
            left: 0;
            animation-duration: 10s;
            -moz-animation-duration: 10s;
            -o-animation-duration: 10s;
            -webkit-animation-duration: 10s;
        }
        .wrap ul li:nth-child(2) {
            width: 40px;
            height: 40px;
            left: 10%;
            animation-duration: 15s;
            -moz-animation-duration: 15s;
            -o-animation-duration: 15s;
            -webkit-animation-duration: 11s;
        }
        .wrap ul li:nth-child(3) {
            left: 20%;
            width: 25px;
            height: 25px;
            animation-duration: 12s;
            -moz-animation-duration: 12s;
            -o-animation-duration: 12s;
            -webkit-animation-duration: 12s;
        }
        .wrap ul li:nth-child(4) {
            width: 50px;
            height: 50px;
            left: 30%;
            -webkit-animation-delay: 3s;
            -moz-animation-delay: 3s;
            -o-animation-delay: 3s;
            animation-delay: 3s;
            animation-duration: 12s;
            -moz-animation-duration: 12s;
            -o-animation-duration: 12s;
            -webkit-animation-duration: 12s;
        }
        .wrap ul li:nth-child(5) {
            width: 60px;
            height: 60px;
            left: 40%;
            animation-duration: 10s;
            -moz-animation-duration: 10s;
            -o-animation-duration: 10s;
            -webkit-animation-duration: 10s;
        }
        .wrap ul li:nth-child(6) {
            width: 75px;
            height: 75px;
            left: 50%;
            -webkit-animation-delay: 7s;
            -moz-animation-delay: 7s;
            -o-animation-delay: 7s;
            animation-delay: 7s;
        }
        .wrap ul li:nth-child(7) {
            left: 60%;
            width: 30px;
            height: 30px;
            animation-duration: 8s;
            -moz-animation-duration: 8s;
            -o-animation-duration: 8s;
            -webkit-animation-duration: 8s;
        }
        .wrap ul li:nth-child(8) {
            width: 90px;
            height: 90px;
            left: 70%;
            -webkit-animation-delay: 4s;
            -moz-animation-delay: 4s;
            -o-animation-delay: 4s;
            animation-delay: 4s;
        }
        .wrap ul li:nth-child(9) {
            width: 50px;
            height: 50px;
            left: 80%;
            animation-duration: 20s;
            -moz-animation-duration: 20s;
            -o-animation-duration: 20s;
            -webkit-animation-duration: 20s;
        }
        .wrap ul li:nth-child(10) {
            width: 75px;
            height: 75px;
            left: 90%;
            -webkit-animation-delay: 6s;
            -moz-animation-delay: 6s;
            -o-animation-delay: 6s;
            animation-delay: 6s;
            animation-duration: 30s;
            -moz-animation-duration: 30s;
            -o-animation-duration: 30s;
            -webkit-animation-duration: 30s;
        }
        @keyframes square {
            0% {
                -webkit-transform: translateY(0);
                transform: translateY(0)
            }
            100% {
                bottom: 400px;
                -webkit-transform: translateY(-500);
                transform: translateY(-500)
            }
        }
        @-webkit-keyframes square {
            0% {
                -webkit-transform: translateY(0);
                transform: translateY(0)
            }
            100% {
                bottom: 400px;
                -webkit-transform: translateY(-500);
                transform: translateY(-500)
            }
        }
    </style>
</head>
<body>
<div class="wrap">
        <div class="container">
            <h1 style="color: white; margin: 0; text-align: center">修改图书信息</h1>
            <form action="./UpdateBook" method="post" id="regedit">
    <label><input type="text" placeholder="图书编号" name="bookID"/></label>
    <label><input type="text" placeholder="图书名称" name="bookName"/></label>
    <label><input type="text" placeholder="图书出版社" name="bookPublishing"/></label>
    <label><input type="text" placeholder="作者" name="bookAuthor"/></label>
                <input type="submit" value="修改"/>
                <p class="change_link" style="text-align: center">
                    <span class="text"><a href="./HomePage.jsp">返回主页面</a></span>
                </p>
            </form>
        </div>
        <ul>
            <li></li>
            <li></li>
            <li></li>
            <li></li>
            <li></li>
            <li></li>
            <li></li>
            <li></li>
            <li></li>
            <li></li>
    <li></li>
            <li></li>
            <li></li>
            <li></li>
            <li></li>
            <li></li>
            <li></li>
            <li></li>
            <li></li>
            <li></li>
        </ul>
</div>
</body>
</html>

标签：管理系统,width,delay,webkit,animation,duration,import,BooksManagementSystem,图书
From： https://www.cnblogs.com/lyhidea/p/17116260.html

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