diff --git a/src/main/java/com/controller/loginController.java b/src/main/java/com/controller/loginController.java
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+++ b/src/main/java/com/controller/loginController.java
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+package com.controller;
+
+import com.entity.User;
+import com.entity.Visitor;
+import com.service.IUserService;
+import com.service.IVisitorService;
+import com.utils.MD5Utils;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Controller;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.ResponseBody;
+import org.springframework.web.servlet.ModelAndView;
+
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpSession;
+import java.text.SimpleDateFormat;
+import java.util.Date;
+
+/**
+ * @ClassName loginController
+ * @Description TODO
+ * @Author YHT
+ * @Date 2021/5/28 8:02
+ */
+@Controller
+public class loginController {
+    @Autowired
+    private IUserService userService;
+    @Autowired
+    private IVisitorService visitorService;
+
+    /**
+     * 跳转至主页
+     * @param username  用户名
+     * @param password  密码
+     * @param request
+     * @return
+     */
+    @RequestMapping("/main")
+    @ResponseBody
+    public ModelAndView toMain(String username, String password, HttpServletRequest request){
+        ModelAndView mv = new ModelAndView();
+        mv.setViewName("main");
+        //使用session存储数据
+        HttpSession session = request.getSession();
+        mv.addObject("status", "ok");
+        //根据用户名和密码查找用户
+        User user = userService.findByNameAndPwd(username, MD5Utils.stringToMD5(password));
+        //访客信息
+        Visitor visitor = new Visitor();
+        //用户不为空，则表示登录成功
+        if(user != null){
+            if(user.getName().equals(username) && user.getPassword().equals(MD5Utils.stringToMD5(password))){
+                //跳转至首页
+                mv.setViewName("main");
+                // mv.addObject("userName", user.getName());
+                // mv.addObject("status", "ok");
+                //存储数据
+                mv.addObject("userId", user.getId());
+                session.setAttribute("userName", user.getName());
+                session.setAttribute("userId", user.getId());
+                //添加访客信息
+                visitor.setName(user.getName());
+                visitor.setEmail(user.getEmail());
+                visitor.setIdentity(user.getIdentity());
+                visitor.setTelPhone(user.getTelNumber());
+                Date date = new Date(System.currentTimeMillis());
+                visitor.setVisitTime(date);
+                //存储方可信息
+                visitorService.addVisitor(visitor);
+            }else {
+                //查询失败，返回登录页
+                mv.setViewName("redirect:/index.jsp");
+                mv.addObject("status", "userNameOrPwdError");
+            }
+        }else{
+            //返回首页
+            mv.setViewName("redirect:/index.jsp");
+            mv.addObject("status", "userNameOrPwdError");
+        }
+        return mv;
+    }
+
+    /**
+     * 跳转至注册页面
+     * @param user  用户
+     * @return  返回登录页面
+     */
+    @RequestMapping("/register")
+    public String toRegister(User user){
+        //对用户密码进行加密
+        user.setPassword(MD5Utils.stringToMD5(user.getPassword()));
+        //将用户信息插入数据库
+        userService.insertUser(user);
+        //重定向到首页
+        return "redirect:/index.jsp";
+    }
+
+    /**
+     * 跳转至用户信息页
+     * @param id
+     * @return
+     */
+    @RequestMapping("/toUserMsg")
+    public ModelAndView toUserMsg(Integer id){
+        ModelAndView mv = new ModelAndView();
+        //根据id找到用户
+        User user = userService.findById(id);
+        mv.setViewName("userMsg");
+        System.out.println(id);
+        System.out.println(user);
+        //将用户信息返回用户信息页
+        mv.addObject("loginUser", user);
+        return mv;
+    }
+
+    /**
+     * 修改用户信息
+     * @param user
+     * @return
+     */
+    @RequestMapping("/modifyUserMsg")
+    public ModelAndView modifyUserMsg(User user){
+        ModelAndView mv = new ModelAndView();
+        //修改用户信息
+        userService.modifyUser(user);
+        mv.addObject("loginUser", user);
+        //修改完成后，跳转至用户信息页
+        mv.setViewName("userMsg");
+        return mv;
+    }
+
+    /**
+     * 修改用户密码
+     * @param id
+     * @return
+     */
+    @RequestMapping("/toModifyPwd")
+    public ModelAndView toModifyPwd(int id){
+        ModelAndView mv = new ModelAndView();
+        //找到用户
+        User user = userService.findById(id);
+        mv.setViewName("modifyPwd");
+        mv.addObject("loginUser", user);
+        return mv;
+    }
+
+    /**
+     * 修改密码
+     * @param id
+     * @param password
+     * @param rePassword
+     * @return
+     */
+    @RequestMapping("/modifyPwd")
+    public ModelAndView modifyPwd(Integer id, String password, String rePassword){
+        ModelAndView mv = new ModelAndView();
+        //判断两次输入的密码是否一致
+        if(password.equals(rePassword)){
+            //一致。则更改数据库，重定向到登录页
+            userService.modifyPwd(password, id);
+            mv.setViewName("redirect:/index.jsp");
+        }else{
+            //跳转到修改密码页面
+            mv.setViewName("modifyPwd");
+        }
+        return mv;
+    }
+
+    /**
+     * 跳转至关于页面
+     * @return
+     */
+    @RequestMapping("/about")
+    public String about(){
+        return "about";
+    }
+}
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