[feat][M]:新增用户控制器，登录登出，查找用户详情API

java/src/main/java/com/hzu/bookingsystem/controller/UserController.java

@@ -3,31 +3,120 @@ package com.hzu.bookingsystem.controller;
 import com.hzu.bookingsystem.VO.ResultVO;
 import com.hzu.bookingsystem.bean.User;
 import com.hzu.bookingsystem.service.UserService;
+import com.hzu.bookingsystem.utils.CookieUtil;
 import com.hzu.bookingsystem.utils.ResultVOUtil;
 import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.data.redis.core.RedisTemplate;
+import org.springframework.data.redis.core.StringRedisTemplate;
 import org.springframework.stereotype.Controller;
+import org.springframework.util.StringUtils;
 import org.springframework.web.bind.annotation.*;
+import org.springframework.web.servlet.ModelAndView;
 
+import javax.servlet.http.Cookie;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
 import java.util.HashMap;
 import java.util.Map;
-
+import java.util.UUID;
+import java.util.concurrent.TimeUnit;
 @RestController
+@CrossOrigin
 @RequestMapping("/user")
 public class UserController {
     @Autowired
     private UserService userService;
 
-    //创建订单
-    @PostMapping(value = "/create", consumes = "application/json")
-    public ResultVO create(@RequestBody User user) {
-        userService.create(user);
+    @Autowired
+    private StringRedisTemplate redisTemplate;
+
+    // 登录
+    @PostMapping("/login")
+    public ResultVO login(@RequestBody User user,
+                              HttpServletResponse response) {
+        System.out.println(user);
+        //1. openid去和数据库里的数据匹配
+        User user1 = userService.findByUnameAndPwd(user.getUsername(),user.getPassword());
+        System.out.println(user1);
+        if (user1 == null) {
+            return ResultVOUtil.error(-2,"账号或密码不正确");
+        }
+
+        //2. 设置token至redis
+        String token = UUID.randomUUID().toString();
+        Integer expire = 7200;
+        redisTemplate.opsForValue().set(token, user1.getUId().toString(), expire, TimeUnit.SECONDS);
+
+        //3. 设置token至cookie
+        CookieUtil.set(response, "token", token, expire);
         return ResultVOUtil.success();
     }
 
+    // 登出
+    @GetMapping("/logout")
+    public ResultVO logout(HttpServletRequest request,
+                               HttpServletResponse response) {
+        //1. 从cookie里查询
+        Cookie cookie = CookieUtil.get(request, "token");
+        if (cookie != null) {
+        //2. 清除redis
+            redisTemplate.opsForValue().getOperations().delete(cookie.getValue());
+        //3. 清除cookie
+            CookieUtil.set(response, "token", null, 0);
+        }
+        return ResultVOUtil.success();
+    }
+
+
+
+    //创建用户
+    @PostMapping(value = "/addUser", consumes = "application/json")
+    public ResultVO addUser(@RequestBody User user) {
+        userService.add(user);
+        return ResultVOUtil.success();
+    }
+
+    //查找用户详情
     @GetMapping(value = "/findById")
     public ResultVO<Map<String, User>> findById(@RequestParam("uId") Integer uId) {
         User user = userService.findById(uId);
         return ResultVOUtil.success(user);
     }
 
+    /**
+     * 修改自己的用户信息
+     * @param user
+     * @param request
+     * @return
+     */
+    @PostMapping(value = "/updateBySelf", consumes = "application/json")
+    public ResultVO updateBySelf(@RequestBody User user,
+                                 HttpServletRequest request){
+        Integer uId = getUIdByCookie(request);
+        if (uId == null){
+            return ResultVOUtil.error(-1,"未找到该用户ID");
+        }
+        user.setUId(uId);
+        userService.update(user);
+        return ResultVOUtil.success();
+    }
+
+    /**
+     * 通过cookie查找Uid
+     * @param request
+     * @return
+     */
+    public Integer getUIdByCookie(HttpServletRequest request) {
+        Cookie cookie = CookieUtil.get(request, "token");
+        if (cookie == null) {
+            return null;
+        }
+        // 从Redis里找该KEY
+        String tokenValue = redisTemplate.opsForValue().get(cookie.getValue());
+        if (!StringUtils.isEmpty(tokenValue)) {
+            // 返回用户UID
+            return Integer.valueOf(tokenValue);
+        } else
+            return null;
+    }
 }