Maven+Spring+Spring MVC+MyBatis+MySQL，搭建SSM框架环境

package com.cn.uuu.controller; import javax.annotation.Resource; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import org.springframework.stereotype.Controller; import org.springframework.ui.Model; import org.springframework.ui.ModelMap; import org.springframework.web.bind.annotation.RequestMapping; import org.springframework.web.bind.annotation.RequestMethod; import org.springframework.web.servlet.ModelAndView; import com.cn.uuu.pojo.User; import com.cn.uuu.service.UserService; @Controller @RequestMapping("/user") public class UserController { @Resource(name="userServiceImpl") private UserService userService; public UserService getUserService() { return userService; } public void setUserService(UserService userService) { this.userService = userService; } @RequestMapping(value="/showuser.do", method = RequestMethod.POST) public String toIndex(HttpServletRequest request,Model model){ User userLogin=new User(); userLogin.setUsername(request.getParameter("username")); userLogin.setPassword(request.getParameter("password")); User user=new User(); if(this.userService.getLoginUser(userLogin)){ user=this.userService.getUserByusername(userLogin.getUsername()); System.out.println(user.toString()+"get user success"); model.addAttribute("user", user); }else{ model.addAttribute("user can not in use"); System.out.println("can not get user"); } return "indexuser"; } @RequestMapping(value="/register.do",method= RequestMethod.POST) public String registerIndex(HttpServletRequest request,Model model){ //ModelAndView mav=new ModelAndView(); User userRegister=new User(); String username2=request.getParameter("username"); String password2=request.getParameter("password"); userRegister.setUsername(username2); userRegister.setPassword(password2); System.out.println(username2+"密码是"+password2); if(userRegister.getUsername()!=null){ if (request.getParameter("age")==null) { userRegister.setAge(25); }else{ userRegister.setAge(Integer.parseInt(request.getParameter("age"))); } System.out.println(userRegister.getUsername()+" 显示注册的名字"); }else{ User user2 = new User(); user2.setUsername("pm"); user2.setPassword("pm"); user2.setAge(45); userRegister=user2; } int id=this.userService.inster(userRegister); User user=this.userService.getUserById(id); System.out.println(user.toString()+"insert user success"); model.addAttribute("user", user); return "indexuser"; } }