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期中考试

时间：2022-11-03 19:56:58浏览次数：43  
标签：return String 期中考试 setString 活动 public pstmt 

package jdbc;

import java.sql.*;
public class tools {
    private String zhuti, mudi, type, time, address, people, content, plan;
    public String getZhuti() {
        return zhuti;
    }
    public void setZhuti(String zhuti) {
        this.zhuti = zhuti;
    }
    public String getMudi() {
        return mudi;
    }
    public void setMudi(String mudi) {
        this.mudi = mudi;
    }
    public String getType() {
        return type;
    }
    public void setType(String type) {
        this.type = type;
    }
    public String getTime() {
        return time;
    }
    public void setTime(String time) {
        this.time = time;
    }
    public String getAddress() {
        return address;
    }
    public void setAddress(String address) {
        this.address = address;
    }
    public String getPeople() {
        return people;
    }
    public void setPeople(String people) {
        this.people = people;
    }
    public String getContent() {
        return content;
    }
    public void setContent(String content) {
        this.content = content;
    }
    public String getPlan() {
        return plan;
    }
    public void setPlan(String plan) {
        this.plan = plan;
    }
    
        public tools() {
        super();
    }
        //连接数据库
        public Connection getConnection() throws Exception {
             try{
                    Class.forName("com.mysql.jdbc.Driver");
                    //System.out.println("加载驱动成功");
                }catch(ClassNotFoundException e)
                {
                    e.printStackTrace();
                }
                String user="root";
                String password="6666";
                String url = "jdbc:mysql://127.0.0.1:3306/aaa";
                
                
                    Connection con=DriverManager.getConnection(url,user,password);
                    //System.out.println("数据库连接成功");
                return con;
        }
        //关闭方法
        public  void close (Connection con){
               try{
                   if(con!=null)
                   {
                       con.close();
                   }
               }catch(SQLException e)
                   {
                       e.printStackTrace();
                   }
           }
        public  void close (PreparedStatement preparedStatement){
            try{
                if(preparedStatement!=null)
                {
                    preparedStatement.close();
                }
            }catch(SQLException e)
            {
                e.printStackTrace();
            }
        }
        public  void close(ResultSet resultSet){
            try{
                if(resultSet!=null)
                {
                    resultSet.close();
                }
            }catch(SQLException e)
            {
                e.printStackTrace();
            }
        }
        //增
        public void adddata(String zhuti,String mudi,String type,String time,String address,String people,String content,String plan) throws Exception {
            Connection conn = getConnection();
            PreparedStatement pstmt = null;
            String sql = "insert into huodong(活动主题,活动目的,活动类型,活动时间,活动地点,活动对象,活动内容,活动日程安排) values(?,?,?,?,?,?,?,?)";
            pstmt = conn.prepareStatement(sql);
            pstmt.setString(1, zhuti);
            pstmt.setString(2, mudi);
            pstmt.setString(3, type);
            pstmt.setString(4, time);
            pstmt.setString(5, address);
            pstmt.setString(6, people);
            pstmt.setString(7, content);
            pstmt.setString(8, plan);
            pstmt.executeUpdate();
            close(conn);
            close(pstmt);        
        }
        //删
        public void deletedata(String zhuti) throws Exception {
            Connection conn = getConnection();
            PreparedStatement pstmt = null;
            String sql = "delete from huodong where 活动主题 = ?";
            pstmt = conn.prepareStatement(sql);
            pstmt.setString(1, zhuti);
            pstmt.executeUpdate();
            close(conn);
            close(pstmt);
            
         }
        //改
        public void updata(String zhuti,String mudi,String type,String time,String address,String people,String content,String plan) throws Exception {
            Connection conn = getConnection();
            PreparedStatement pstmt = null;
            String sql = "update huodong set 活动目的=?,活动类型=?,活动时间=?,活动地点=?,活动对象=?,活动内容=?,活动日程安排=? where 活动主题=?";
            pstmt = conn.prepareStatement(sql);
            pstmt.setString(1,mudi);
            pstmt.setString(2,type);
            pstmt.setString(3,time);
            pstmt.setString(4,address);
            pstmt.setString(5,people);
            pstmt.setString(6,content);
            pstmt.setString(7,plan);
            pstmt.setString(8,zhuti);
            pstmt.executeUpdate();
            close(conn);;
            close(pstmt);            
        }
        //判存在
        public boolean isSame(String zhuti) throws Exception {
            Connection conn = getConnection();
            PreparedStatement pstmt = null;
            ResultSet rs = null;
            String sqlString = "select * from huodong";
            pstmt = conn.prepareStatement(sqlString);
            rs = pstmt.executeQuery();
            while(rs.next()) {
                if(zhuti.equals(rs.getObject(1)));
                return true;
            }
            close(conn);
            close(pstmt);
            return false;            
         }
        //判空
        public boolean isEmpty(String zhuti,String mudi,String type,String time,String address,String people,String content,String plan) {
            if(zhuti==null||mudi==null||type==null||time==null||address==null||people==null||content==null||plan==null) {
                return true;
            }
            else return false;
        }
}

菜单

menu.jsp

<%@page import="java.security.DrbgParameters.NextBytes"%>
<%@page import="java.sql.ResultSet"%>
<%@page import="java.sql.PreparedStatement"%>
<%@page import="java.sql.Connection"%>
<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>主页面</title>
</head>
<body>
<form action="add.jsp" method="get">
    <p style="text-align:center;color:white;font-family:宋体; font-size:20px">
            校园社团活动管理系统          
            <br> 选择功能： <input type="button" value="发布活动信息" onclick="location.href='add.jsp'" />
                <input type="button" value="修改活动信息" onclick="location.href='updata.jsp'" />
                <input type="button" value="删除活动信息" onclick="location.href='delete.jsp'" />
                <input type="button" value="查询活动信息" onclick="location.href='search.jsp'" />
                <input type="button" value="活动信息浏览" onclick="location.href='show.jsp'" />
            <br>
    </p>
    
</form>
</body>
</html>

添加

add.jsp

addjudge.jsp

<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>发布页面</title>
</head>
<body>
<form action="addjudge.jsp" method="get">
<p style="text-align:center;color: black; font-family: 宋体; font-size: 20px">
发布活动信息页面
<br>
<br>活动主题<input type = "text" name = "zhuti" maxlength = "20"/><br>
<br>活动目的<input type = "text" name = "mudi" maxlength = "50"/><br>
<br>活动类型 <input type="radio" name="type" value="社团竞赛" />社团竞赛  
        <input type="radio" name="type" value="野外采风" />野外采风  
        <input type="radio" name="type" value="校内集会" />校内集会  
        <input type="radio" name="type" value="社团纳新" />社团纳新  
    <br>
<br>活动时间<input type = "text" name = "time" /><br>
<br>活动地点<input type = "text" name = "address" /><br>
<br><input type="checkbox" name="people" >社团成员
    <input type="checkbox" name="people" >全体学生
<br>
<br>活动内容<input type = "text" name = "content" maxlength = "500" /><br>
<br>活动日程安排<input type = "text" name = "plan" maxlength = "500" /><br>
<br><input type="submit" value="提交" /> 
        <input type="reset" value="重置" />  <br>
    <br> <input type="button" value="返回菜单" onclick="location.href='menu.jsp'" /> <br>
</p>
</form>
</body>
</html>
<%@page import="java.sql.PreparedStatement"%>
<%@page import="java.sql.Connection"%>
<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Insert title here</title>
</head>
<body>
<jsp:useBean id="util" class="jdbc.tools" scope="page" />
<%
String zhuti = request.getParameter("zhuti");
String mudi = request.getParameter("mudi");
String type = request.getParameter("type");
String time = request.getParameter("time");
String address = request.getParameter("address");
String people = (String)request.getParameter("people");
String content = request.getParameter("content");
String plan = request.getParameter("plan");
if(util.isEmpty(zhuti, mudi, type, time, address, people, content, plan)){
    out.print("<script language='javaScript'> alert('输入为空');window.history.back(-1);</script>");
}
else{
util.adddata(zhuti,mudi,type,time,address,people,content,plan);
out.print("<script language='javaScript'> alert('添加成功');</script>");
response.setHeader("refresh", "0;url=show.jsp");
}
%>
</body>
</html>

删除

delete.jsp

deletejudge1.jsp

deletejudge2.jsp

<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Insert title here</title>
</head>
<body>
<form action="deletejudge1.jsp" method="get">
<p style="text-align:center;color: black; font-family: 宋体; font-size: 20px">
    删除页面
    <br> 要删除的活动主题 <input type="text" name="zhuti" /> <br>
    <br><input type="submit" value="确定" /> 
        <input type="reset" value="重置" />  <br>
    <br> <input type="button" value="返回菜单" onclick="location.href='menu.jsp'" /> <br>
</p>
</form>
</body>
</html>
<%@page import="java.sql.ResultSet"%>
<%@page import="java.sql.PreparedStatement"%>
<%@page import="java.sql.Connection"%>
<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Insert title here</title>
</head>
<body>
<jsp:useBean id="util" class="jdbc.tools" scope="page" />
<%
String zhuti = request.getParameter("zhuti");
%>
<table border="1"style="text-align:center;">
<tr>
<td align = "center">活动主题</td>
<td align = "center">活动目的</td>
<td align = "center">活动类型</td>
<td align = "center">活动时间</td>
<td align = "center">活动地点</td>
<td align = "center">活动对象</td>
<td align = "center">活动内容</td>
<td align = "center">活动日程安排</td>
<td align = "center">删除</td>
</tr>
<%
Connection conn = util.getConnection();
PreparedStatement pstmt = null;
ResultSet rs = null;
String sql = "select * from huodong";
pstmt = conn.prepareStatement(sql);
rs = pstmt.executeQuery();
while(rs.next()){
    if(zhuti.equals(rs.getObject(1))){
%>
<tr>
<td align = "center"><%=rs.getObject(1) %></td>
<td align = "center"><%=rs.getObject(2) %></td>
<td align = "center"><%=rs.getObject(3) %></td>
<td align = "center"><%=rs.getObject(4) %></td>
<td align = "center"><%=rs.getObject(5) %></td>
<td align = "center"><%=rs.getObject(6) %></td>
<td align = "center"><%=rs.getObject(7) %></td>
<td align = "center"><%=rs.getObject(8) %></td>
<td align = "center"><a style="color:blue" href='deletejudge2.jsp?zhuti=<%=rs.getObject(1) %>' onclick="javascript:return del()">删除</a></td>
</tr>
<%
    }
}
%>
</table>
<script>
    function del(){
        var r = confirm("确定要删除吗？")
        if (r == true) {
             return true; 
        } else {
            return false;
        }
    } 
</script>
<p style="text-align:center;color: black; font-family: 宋体; font-size: 20px">
    <br> <input type="button" value="返回菜单" onclick="location.href='menu.jsp'" /> <br>
</p>
</body>
</html>
<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Insert title here</title>
</head>
<body>
<input type="button" onclick="openResult()" value="删除"/>
<jsp:useBean id="util" class="jdbc.tools" scope="page" />
<%
String zhuti = request.getParameter("zhuti");
util.deletedata(zhuti);
out.print("<script language='javaScript'> alert('删除成功');</script>");
response.setHeader("refresh", "0;url=delete.jsp");

%>
<p style="text-align:center;color: black; font-family: 宋体; font-size: 20px">
    <br> <input type="button" value="返回菜单" onclick="location.href='menu.jsp'" /> <br>
</p>
</body>
</html>

修改

updata.jsp

updatajudge1.jsp

updatajudge2.jsp

<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>修改</title>
</head>
<body>
<form action="updatajudge1.jsp" method="get">
<p style="text-align:center;color: black; font-family: 宋体; font-size: 20px">
    <br> 输入要修改的活动主题 <input type="text" name="zhuti" /><br>
    <br><input type="submit" value="提交" /> 
        <input type="reset" value="重置" />  <br>
    <br> <input type="button" value="返回菜单" onclick="location.href='menu.jsp'" /> <br>
</p>
</form>
</body>
</html>
<%@page import="java.sql.ResultSet"%>
<%@page import="java.sql.PreparedStatement"%>
<%@page import="java.sql.Connection"%>
<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Insert title here</title>
</head>
<body>
<jsp:useBean id="util" class="jdbc.tools" scope="page" />
<%
String zhuti = request.getParameter("zhuti");
session.setAttribute("zhuti",zhuti);
if(!util.isSame(zhuti)){
    out.print("<script language='javaScript'> alert('该活动主题不存在'); window.history.back(-1); </script>");
}
%>
<table border="1"style="text-align:center;">
<tr>
<td align = "center">活动主题</td>
<td align = "center">活动目的</td>
<td align = "center">活动类型</td>
<td align = "center">活动时间</td>
<td align = "center">活动地点</td>
<td align = "center">活动对象</td>
<td align = "center">活动内容</td>
<td align = "center">活动日程安排</td>
</tr>
<%
Connection conn = util.getConnection();
PreparedStatement pstmt = null;
ResultSet rs = null;
String sql = "select * from huodong";
pstmt = conn.prepareStatement(sql);
rs = pstmt.executeQuery();
while(rs.next()){
    if(zhuti.equals(rs.getObject(1))){
%>
<tr>
<td align = "center"><%=rs.getObject(1) %></td>
<td align = "center"><%=rs.getObject(2) %></td>
<td align = "center"><%=rs.getObject(3) %></td>
<td align = "center"><%=rs.getObject(4) %></td>
<td align = "center"><%=rs.getObject(5) %></td>
<td align = "center"><%=rs.getObject(6) %></td>
<td align = "center"><%=rs.getObject(7) %></td>
<td align = "center"><%=rs.getObject(8) %></td>
</tr>
<%
    }
}
%>
</table>
<form action="updatajudge2.jsp" method="get">
<p style="text-align:center;color: black; font-family: 宋体; font-size: 20px">
<br>
<br>活动目的<input type = "text" name = "mudi" maxlength = "50"/><br>
<br>活动类型 <input type="radio" name="type" value="社团竞赛" />社团竞赛  
        <input type="radio" name="type" value="野外采风" />野外采风  
        <input type="radio" name="type" value="校内集会" />校内集会  
        <input type="radio" name="type" value="社团纳新" />社团纳新  
    <br>
<br>活动时间<input type = "text" name = "time" /><br>
<br>活动地点<input type = "text" name = "address" /><br>
<br><input type="checkbox" name="people" >社团成员
    <input type="checkbox" name="people" >全体学生
<br>
<br>活动内容<input type = "text" name = "content" maxlength = "500" /><br>
<br>活动日程安排<input type = "text" name = "plan" maxlength = "500" /><br>
<br><input type="submit" value="提交" /> 
        <input type="reset" value="重置" />  <br>
    <br> <input type="button" value="返回菜单" onclick="location.href='menu.jsp'" /> <br>
</p>
</form>
</body>
</html>
<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Insert title here</title>
</head>
<body>
<jsp:useBean id="util" class="jdbc.tools" scope="page" />
<%
String zhuti = (String)session.getAttribute("zhuti");
String mudi = request.getParameter("mudi");
String type = request.getParameter("type");
String time = request.getParameter("time");
String address = request.getParameter("address");
String people = request.getParameter("people");
String content = request.getParameter("content");
String plan = request.getParameter("plan");
util.updata(zhuti, mudi, type, time, address, people, content, plan);
out.print("<script language='javaScript'> alert('修改成功');</script>");
response.setHeader("refresh", "0;url=updata.jsp");
%>
<p style="text-align:center;color: black; font-family: 宋体; font-size: 20px">
    <br> <input type="button" value="返回菜单" onclick="location.href='menu.jsp'" /> <br>
</p>
</body>
</html>

查询 

search.jsp

searchjudge.jsp

searchAll.jsp

<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>查询</title>
</head>
<body>
<form action = "searchjudge.jsp" method = "get">
<p style="text-align:center;color: black; font-family: 宋体; font-size: 20px"></p>
输入要查询的活动主题/活动时间/活动类型/活动地点(支持模糊查询)
<br><input type = "text" name = "data"/><br>
<br><input type="submit" value="提交" /> 
        <input type="reset" value="重置" />  <br>
    <br> <input type="button" value="返回菜单" onclick="location.href='menu.jsp'" /> <br>
</form>
</body>
</html>
<%@page import="java.sql.ResultSet"%>
<%@page import="java.sql.PreparedStatement"%>
<%@page import="java.sql.Connection"%>
<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Insert title here</title>
</head>
<body>
<jsp:useBean id="util" class="jdbc.tools" scope="page" />
<%
String data = request.getParameter("data");
%>
<table border="1"style="text-align:center;">
<tr>
<td align = "center">活动主题</td>
<td align = "center">活动类型</td>
<td align = "center">活动时间</td>
<td align = "center">活动对象</td>
</tr>
<%
int i = 0;
Connection conn = util.getConnection();
PreparedStatement pstmt = null;
ResultSet rs = null;
String sql = "select * from huodong where 活动主题 like? or 活动时间 like ? or 活动类型 like ? or 活动地点 like ?";
pstmt = conn.prepareStatement(sql);
pstmt.setString(1, "%" + data + "%");
pstmt.setString(2, "%" + data + "%");
pstmt.setString(3, "%" + data + "%");
pstmt.setString(4, "%" + data + "%");
rs = pstmt.executeQuery();
while(rs.next()){
i++;
%>
<tr>
<td align = "center"><a style="color:blue" href='searchAll.jsp?zhuti=<%=rs.getObject(1) %>'><%=rs.getObject(1) %></a></td>
<td align = "center"><%=rs.getObject(3) %></td>
<td align = "center"><%=rs.getObject(4) %></td>
<td align = "center"><%=rs.getObject(6) %></td>

</tr>
<%
}
%>
</table>
<p style="text-align:center;color: black; font-family: 宋体; font-size: 20px">
    <br> <input type="button" value="返回菜单" onclick="location.href='menu.jsp'" /> <br>
</p>
</body>
</html>
<%@page import="java.sql.ResultSet"%>
<%@page import="java.sql.PreparedStatement"%>
<%@page import="java.sql.Connection"%>
<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Insert title here</title>
</head>
<body>
<jsp:useBean id="util" class="jdbc.tools" scope="page" />
<table border="1"style="text-align:center;">
<tr>
<td align = "center">活动主题</td>
<td align = "center">活动目的</td>
<td align = "center">活动类型</td>
<td align = "center">活动时间</td>
<td align = "center">活动地点</td>
<td align = "center">活动对象</td>
<td align = "center">活动内容</td>
<td align = "center">活动日程安排</td>
</tr>
<%
String zhuti = request.getParameter("zhuti");
Connection conn = util.getConnection();
PreparedStatement pstmt = null;
ResultSet rs = null;
String sql = "select * from huodong";
pstmt = conn.prepareStatement(sql);
rs = pstmt.executeQuery();
while(rs.next()){
    if(zhuti.equals(rs.getObject(1))){
%>
<tr>
<td align = "center"><%=rs.getObject(1) %></td>
<td align = "center"><%=rs.getObject(2) %></td>
<td align = "center"><%=rs.getObject(3) %></td>
<td align = "center"><%=rs.getObject(4) %></td>
<td align = "center"><%=rs.getObject(5) %></td>
<td align = "center"><%=rs.getObject(6) %></td>
<td align = "center"><%=rs.getObject(7) %></td>
<td align = "center"><%=rs.getObject(8) %></td>
</tr>
<%
    }
}
%>
</table>
<p style="text-align:center;color: black; font-family: 宋体; font-size: 20px">
<input type="button" value="返回菜单" onclick="location.href='menu.jsp'" /> <br>
</p>
</body>
</html>
<%@page import="java.sql.ResultSet"%>
<%@page import="java.sql.PreparedStatement"%>
<%@page import="java.sql.Connection"%>
<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>浏览信息</title>
</head>
<body>
<jsp:useBean id="util" class="jdbc.tools" scope="page" />
<table border="1"style="text-align:center;">
<tr>
<td align = "center">活动主题</td>
<td align = "center">活动类型</td>
<td align = "center">活动时间</td>
<td align = "center">活动对象</td>
</tr>
<%
Connection conn = util.getConnection();
PreparedStatement pstmt = null;
ResultSet rs = null;
String sql = "select * from huodong";
pstmt = conn.prepareStatement(sql);
rs = pstmt.executeQuery();
while(rs.next()){
%>
<tr>
<td align = "center"><a style="color:blue" href='showAll.jsp?zhuti=<%=rs.getObject(1) %>'><%=rs.getObject(1) %></a></td>
<td align = "center"><%=rs.getObject(3) %></td>
<td align = "center"><%=rs.getObject(4) %></td>
<td align = "center"><%=rs.getObject(6) %></td>
</tr>
<%
}
%>
</table>
<p style="text-align:center;color: black; font-family: 宋体; font-size: 20px">
<input type="button" value="返回菜单" onclick="location.href='menu.jsp'" /> <br>
</p>
</body>
</html>
<%@page import="java.sql.ResultSet"%>
<%@page import="java.sql.PreparedStatement"%>
<%@page import="java.sql.Connection"%>
<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Insert title here</title>
</head>
<body>
<jsp:useBean id="util" class="jdbc.tools" scope="page" />
<table border="1"style="text-align:center;">
<tr>
<td align = "center">活动主题</td>
<td align = "center">活动目的</td>
<td align = "center">活动类型</td>
<td align = "center">活动时间</td>
<td align = "center">活动地点</td>
<td align = "center">活动对象</td>
<td align = "center">活动内容</td>
<td align = "center">活动日程安排</td>
</tr>
<%
String zhuti = request.getParameter("zhuti");
Connection conn = util.getConnection();
PreparedStatement pstmt = null;
ResultSet rs = null;
String sql = "select * from huodong";
pstmt = conn.prepareStatement(sql);
rs = pstmt.executeQuery();
while(rs.next()){
    if(zhuti.equals(rs.getObject(1))){
%>
<tr>
<td align = "center"><%=rs.getObject(1) %></td>
<td align = "center"><%=rs.getObject(2) %></td>
<td align = "center"><%=rs.getObject(3) %></td>
<td align = "center"><%=rs.getObject(4) %></td>
<td align = "center"><%=rs.getObject(5) %></td>
<td align = "center"><%=rs.getObject(6) %></td>
<td align = "center"><%=rs.getObject(7) %></td>
<td align = "center"><%=rs.getObject(8) %></td>
</tr>
<%
    }
}
%>
</table>
<p style="text-align:center;color: black; font-family: 宋体; font-size: 20px">
<input type="button" value="返回菜单" onclick="location.href='menu.jsp'" /> <br>
</p>
</body>
</html>

标签：return,String,期中考试,setString,活动,public,pstmt
From： https://www.cnblogs.com/baijingyun/p/16855631.html

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