package com.itheima.web; import com.itheima.pojo.User; import com.itheima.service.UserService; 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("/registerServlet") public class RegisterServlet extends HttpServlet { //获取UserService对象 private UserService service=new UserService(); @Override protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { //1. 获取用户名和密码 String username = request.getParameter("username"); String password = request.getParameter("password"); //2. 把获取到的数据封装成一个user对象 User user = new User(); user.setUsername(username); user.setPassword(password); //3. 调用service注册 boolean flag = service.register(user); //4. 判断注册成功与否 if (flag){ //注册功能,跳转登录页面,设置属性值 request.setAttribute("register_msg","注册成功,请登录"); //跳转登录页面 request.getRequestDispatcher("/login.jsp").forward(request,response); }else { //注册失败,跳转到注册页面 //注册功能,跳转登录页面,设置属性值 request.setAttribute("register_msg","用户名已被占用,请重新注册"); //跳转登录页面 request.getRequestDispatcher("/register.jsp").forward(request,response); } } @Override protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { this.doGet(request, response); } }
标签:用户注册,request,案例,user,跳转,import,servlet,javax From: https://www.cnblogs.com/Karl-hut/p/17521067.html