点赞++2

src/main/java/com/lovenav/controller/CommentController.java

@@ -1,23 +1,26 @@
 package com.lovenav.controller;
 
 import com.lovenav.entity.Comment;
+import com.lovenav.service.CommentService;
 import com.lovenav.service.serviceImpl.CommentServiceImpl;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.web.bind.annotation.*;
 
+import javax.servlet.http.HttpSession;
+
 @RestController
 @RequestMapping("/comment")
 public class CommentController {
     @Autowired
-    private CommentServiceImpl commentServiceImpl;
-    @PostMapping(value= "/AddLikeCount",produces="application/json;charset=UTF-8")
-    public String AddLikeCount(@RequestBody Comment comment)  {
-        return commentServiceImpl.AddLikeCount(comment);
-    }
+    private CommentService commentService;
 
-    @GetMapping("/hello")
-    public String he(){
-        System.out.println("hello world");
-        return "Hello world!";
+//    @GetMapping(value= "/AddLikeCount")
+//    public String AddLikeCount_Controller(HttpSession session){
+//        int id = (int) session.getAttribute("id");
+//        return commentService.AddLikeCount(id);
+//    }
+    @GetMapping(value= "/AddLikeCount")
+    public String AddLikeCount(int id){
+        return commentService.AddLikeCount(id);
     }
 }

src/main/java/com/lovenav/dao/CommentDao.java

@@ -1,11 +1,12 @@
 package com.lovenav.dao;
 
 import com.lovenav.entity.Comment;
+import org.apache.ibatis.annotations.Mapper;
 import org.mybatis.spring.annotation.MapperScan;
 import org.springframework.stereotype.Repository;
 
 @Repository
-
+@Mapper
 public interface CommentDao {
     int deleteByPrimaryKey(Integer id);
 

src/main/java/com/lovenav/service/CommentService.java

@@ -1,8 +1,10 @@
 package com.lovenav.service;
 
 import com.lovenav.entity.Comment;
+import org.springframework.stereotype.Service;
+
 
 public interface CommentService {
 //    点赞
-    public String AddLikeCount(Comment comment);
+    public String AddLikeCount(int id);
 }

src/main/java/com/lovenav/service/serviceImpl/CommentServiceImpl.java

@@ -4,18 +4,21 @@ import com.alibaba.fastjson2.JSONObject;
 import com.lovenav.dao.CommentDao;
 import com.lovenav.entity.Comment;
 import com.lovenav.service.CommentService;
+import org.mybatis.spring.annotation.MapperScan;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
 
-@Service
+@Service("commentService")
 public class CommentServiceImpl implements CommentService {
-
+    @Autowired
     private CommentDao commentDao;
 
     //    点赞++
-    public String AddLikeCount(Comment comment){
+    @Override
+    public String AddLikeCount(int id){
+        Comment comment = commentDao.selectByPrimaryKey(id);
         comment.setLikeCount(comment.getLikeCount()+1);
-        commentDao.updateByPrimaryKeySelective(comment);
-        return JSONObject.toJSONString(comment);
+        commentDao.updateByPrimaryKey(comment);
+        return JSONObject.toJSONString(comment.getLikeCount());
     }
 }