spring+springmvc+mybatis 项目

package com.zt.controller; import com.fasterxml.jackson.core.JsonProcessingException; import com.fasterxml.jackson.databind.ObjectMapper; import com.zt.entity.UserInfo; import com.zt.service.UserService; import com.zt.util.MD5Util; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.stereotype.Controller; import org.springframework.ui.Model; import org.springframework.web.bind.annotation.RequestMapping; import org.springframework.web.bind.annotation.ResponseBody; import javax.servlet.http.HttpSession; import java.util.List; @Controller public class UserController { @Autowired private UserService userService; @RequestMapping("checkName") @ResponseBody public String checkName(UserInfo userInfo) throws JsonProcessingException { // 创建一个jackson的对象映射器，用来解析数据 ObjectMapper mapper = new ObjectMapper(); // 创建一个对象 UserInfo userInfo1 = userService.selectByUnameService(userInfo); // 将User对象解析成为json格式 String json = null; if (userInfo1 == null) { json = mapper.writeValueAsString(true); } else { json = mapper.writeValueAsString(false); } System.out.println("<-----" + json); // 使用@ResponseBody注解后，将str转成JSON格式返回 return json; } @RequestMapping("addUser") public String addUser(UserInfo userInfo) { UserInfo userInfo1 = userService.selectByUnameService(userInfo); if (userInfo1 == null) { //将明文变成密文 userInfo.setUpwd(MD5Util.MD5(userInfo.getUpwd())); userService.addService(userInfo); return "login"; } else { return "reg"; } } @RequestMapping("updateUser") public String updateUser(UserInfo userInfo, String method, Model model) { if (method.equals("forget")) { UserInfo userInfo1 = userService.selectByUnameService(userInfo); if (userInfo1 != null) { userInfo.setId(userInfo1.getId()); userInfo.setUpwd(MD5Util.MD5(userInfo.getUpwd())); userService.updateService(userInfo); model.addAttribute("msg", "ok"); } else { model.addAttribute("msg", "error"); } return "forget"; } else { return "xx"; } } @RequestMapping("login") public String login(UserInfo userInfo, String validate, HttpSession session, Model model) { //ValidateCodeController中的rand String code = (String) session.getAttribute("rand"); if (!code.equalsIgnoreCase(validate)) { model.addAttribute("errorMessage", "验证码错误！"); return "login"; } else { //将明文变成密文 userInfo.setUpwd(MD5Util.MD5(userInfo.getUpwd())); UserInfo user = userService.selectByLoginService(userInfo); if (user != null) { session.setAttribute("user", user); return "index"; } else { model.addAttribute("errorMessage", "用户名或密码错误！"); return "login"; } } } @RequestMapping("allUser") public String allUser(Model model) { List<UserInfo> users = userService.selectAllService(); model.addAttribute("allUser", users); return "userList"; } }