java期末大作业课程设计基于SSM框架搭建的疫情打卡系统源码+数据库.zip

package com.liefox.controller; import com.liefox.pojo.User; import com.liefox.service.UserService; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.beans.factory.annotation.Qualifier; import org.springframework.stereotype.Controller; import org.springframework.web.bind.annotation.GetMapping; import org.springframework.web.bind.annotation.RequestMapping; import javax.servlet.http.HttpSession; import java.text.SimpleDateFormat; import java.util.Date; /** * @Author zjh * @Date 2021/4/10 上午 1:15 **/ @Controller public class LoginController { @Autowired @Qualifier("UserServiceImpl") private UserService userService; //登录提交 @RequestMapping("/LoginUser") public String loginUser(HttpSession session,User user) { /** * 调用service层的登录方法 */ User user1 = userService.logUser(user); /** * 读取系统当前时间，格式化后返回给前端 */ SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd"); String format1 = format.format(new Date()); //这里会抛出异常 try { //管理员身份判断，进行跳转至管理员页 if (user1.getUsername().equals("佐佳豪")) { session.setAttribute("user1", user1); return "admin"; } if (user1 != null) { /*这里耍了一个小聪明，给session设置了一个时间的值，用于前端表单隐藏域中获取时间数据*/ session.setAttribute("format1", format1); //存放用户session，方便前端读取 session.setAttribute("user1", user1); return "main"; } } catch (Exception e) { System.err.println("======"); session.setAttribute("info", "用户名或密码错误!"); } return "redirect:/login.jsp"; } //退出 @GetMapping("/Logout") public String Login(HttpSession session) { //移除掉浏览器的session session.removeAttribute("user1"); session.removeAttribute("format1"); session.removeAttribute("info"); return "redirect:/login.jsp"; } }