点赞++2
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@ -1,23 +1,26 @@
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package com.lovenav.controller;
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import com.lovenav.entity.Comment;
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import com.lovenav.service.CommentService;
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import com.lovenav.service.serviceImpl.CommentServiceImpl;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.web.bind.annotation.*;
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import javax.servlet.http.HttpSession;
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@RestController
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@RequestMapping("/comment")
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public class CommentController {
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@Autowired
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private CommentServiceImpl commentServiceImpl;
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@PostMapping(value= "/AddLikeCount",produces="application/json;charset=UTF-8")
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public String AddLikeCount(@RequestBody Comment comment) {
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return commentServiceImpl.AddLikeCount(comment);
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}
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private CommentService commentService;
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@GetMapping("/hello")
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public String he(){
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System.out.println("hello world");
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return "Hello world!";
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// @GetMapping(value= "/AddLikeCount")
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// public String AddLikeCount_Controller(HttpSession session){
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// int id = (int) session.getAttribute("id");
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// return commentService.AddLikeCount(id);
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// }
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@GetMapping(value= "/AddLikeCount")
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public String AddLikeCount(int id){
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return commentService.AddLikeCount(id);
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}
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}
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@ -1,11 +1,12 @@
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package com.lovenav.dao;
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import com.lovenav.entity.Comment;
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import org.apache.ibatis.annotations.Mapper;
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import org.mybatis.spring.annotation.MapperScan;
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import org.springframework.stereotype.Repository;
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@Repository
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@Mapper
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public interface CommentDao {
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int deleteByPrimaryKey(Integer id);
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@ -1,8 +1,10 @@
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package com.lovenav.service;
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import com.lovenav.entity.Comment;
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import org.springframework.stereotype.Service;
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public interface CommentService {
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// 点赞
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public String AddLikeCount(Comment comment);
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public String AddLikeCount(int id);
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}
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@ -4,18 +4,21 @@ import com.alibaba.fastjson2.JSONObject;
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import com.lovenav.dao.CommentDao;
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import com.lovenav.entity.Comment;
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import com.lovenav.service.CommentService;
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import org.mybatis.spring.annotation.MapperScan;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.stereotype.Service;
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@Service
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@Service("commentService")
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public class CommentServiceImpl implements CommentService {
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@Autowired
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private CommentDao commentDao;
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// 点赞++
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public String AddLikeCount(Comment comment){
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@Override
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public String AddLikeCount(int id){
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Comment comment = commentDao.selectByPrimaryKey(id);
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comment.setLikeCount(comment.getLikeCount()+1);
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commentDao.updateByPrimaryKeySelective(comment);
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return JSONObject.toJSONString(comment);
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commentDao.updateByPrimaryKey(comment);
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return JSONObject.toJSONString(comment.getLikeCount());
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}
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}
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