用户模块：用户注销

src/main/java/com/huangge1199/picture/controller/UserController.java

@@ -60,6 +60,16 @@ public class UserController {
         return R.ok(userService.getLoginUserVO(user));
     }
 
+    /**
+     * 用户注销
+     */
+    @PostMapping("/logout")
+    public R<Boolean> userLogout(HttpServletRequest request) {
+        ThrowUtils.throwIf(request == null, ErrorCode.PARAMS_ERROR);
+        boolean result = userService.userLogout(request);
+        return R.ok(result);
+    }
+
 
 }
 

src/main/java/com/huangge1199/picture/service/UserService.java

@@ -57,4 +57,13 @@ public interface UserService extends IService<User> {
      */
     User getLoginUser(HttpServletRequest request);
 
+    /**
+     * 用户注销
+     *
+     * @param request 请求
+     * @return 是否注销成功
+     */
+    boolean userLogout(HttpServletRequest request);
+
+
 }

src/main/java/com/huangge1199/picture/service/impl/UserServiceImpl.java

@@ -133,6 +133,19 @@ public class UserServiceImpl extends ServiceImpl<UserMapper, User>
         return currentUser;
     }
 
+    @Override
+    public boolean userLogout(HttpServletRequest request) {
+        // 先判断是否已登录
+        Object userObj = request.getSession().getAttribute(UserConstant.USER_LOGIN_STATE);
+        if (userObj == null) {
+            throw new MyException(ErrorCode.OPERATION_ERROR, "未登录");
+        }
+        // 移除登录态
+        request.getSession().removeAttribute(UserConstant.USER_LOGIN_STATE);
+        return true;
+    }
+
+
 }