评论,回复,删评
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package com.lovenav.controller;
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package com.lovenav.controller;
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import com.alibaba.fastjson2.JSONObject;
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import com.lovenav.entity.Comment;
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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.CommentService;
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import com.lovenav.service.serviceImpl.CommentServiceImpl;
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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.beans.factory.annotation.Autowired;
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import org.springframework.web.bind.annotation.*;
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import org.springframework.web.bind.annotation.*;
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import javax.servlet.http.HttpServletRequest;
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import javax.servlet.http.HttpServletResponse;
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import javax.servlet.http.HttpSession;
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import javax.servlet.http.HttpSession;
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import java.io.IOException;
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import java.io.PrintWriter;
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import java.io.Writer;
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import java.util.HashMap;
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@RestController
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@RestController
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@RequestMapping("/comment")
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@RequestMapping("/comment")
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public class CommentController {
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public class CommentController {
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@Autowired
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@Autowired
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private CommentService commentService;
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private CommentService commentService;
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// 评论功能
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@RequestMapping(method = RequestMethod.POST, value = "/reply_comment")
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public String Reply1(@RequestBody Comment comment){
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return commentService.Reply1(comment);
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}
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// @GetMapping(value= "/AddLikeCount")
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// 回复功能
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// public String AddLikeCount_Controller(HttpSession session){
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@RequestMapping(method = RequestMethod.POST, value = "/comment")
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// int id = (int) session.getAttribute("id");
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public String Reply2(@RequestBody Comment comment){
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// return commentService.AddLikeCount(id);
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return commentService.Reply2(comment);
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// }
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}
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@GetMapping(value= "/AddLikeCount")
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// 删除功能
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public String AddLikeCount(int id){
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@RequestMapping(method = RequestMethod.POST, value = "/delete_comment")
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public String Delete(Comment comment){
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return commentService.Delete(comment);
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}
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@RequestMapping(method = RequestMethod.GET, value = "/addLikeCount")
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public String addLikeCount(int id){
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return commentService.AddLikeCount(id);
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return commentService.AddLikeCount(id);
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// HttpServletResponse resp = null;
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// PrintWriter writer = null;
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// try {
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// writer = resp.getWriter();
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// } catch (IOException e) {
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// throw new RuntimeException(e);
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// }
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// writer.println(commentService.AddLikeCount(id));
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}
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}
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}
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}
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@ -5,6 +5,8 @@ import org.apache.ibatis.annotations.Mapper;
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import org.mybatis.spring.annotation.MapperScan;
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import org.mybatis.spring.annotation.MapperScan;
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import org.springframework.stereotype.Repository;
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import org.springframework.stereotype.Repository;
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import java.util.List;
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@Repository
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@Repository
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@Mapper
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@Mapper
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public interface CommentDao {
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public interface CommentDao {
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@ -19,4 +21,6 @@ public interface CommentDao {
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int updateByPrimaryKeySelective(Comment record);
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int updateByPrimaryKeySelective(Comment record);
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int updateByPrimaryKey(Comment record);
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int updateByPrimaryKey(Comment record);
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List<Integer> selectByRootId(Integer rootid);
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}
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}
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@ -6,5 +6,11 @@ import org.springframework.stereotype.Service;
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public interface CommentService {
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public interface CommentService {
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// 点赞
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// 点赞
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public String AddLikeCount(int id);
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String AddLikeCount(int id);
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// 评论
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String Reply1(Comment comment);
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// 回复
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String Reply2(Comment comment);
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// 删除
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String Delete(Comment comment);
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}
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}
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@ -1,24 +1,78 @@
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package com.lovenav.service.serviceImpl;
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package com.lovenav.service.serviceImpl;
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import com.alibaba.fastjson2.JSON;
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import com.alibaba.fastjson2.JSONObject;
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import com.alibaba.fastjson2.JSONObject;
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import com.lovenav.dao.CommentDao;
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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.entity.Comment;
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import com.lovenav.service.CommentService;
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import com.lovenav.service.CommentService;
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import org.apache.ibatis.jdbc.Null;
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import org.mybatis.spring.annotation.MapperScan;
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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.beans.factory.annotation.Autowired;
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import org.springframework.stereotype.Service;
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import org.springframework.stereotype.Service;
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import java.util.HashMap;
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import java.util.List;
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@Service("commentService")
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@Service("commentService")
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public class CommentServiceImpl implements CommentService {
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public class CommentServiceImpl implements CommentService {
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@Autowired
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@Autowired
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private CommentDao commentDao;
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private CommentDao commentDao;
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// 评论功能
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@Override
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public String Reply1(Comment comment){
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int result = commentDao.insert(comment);
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HashMap<String, Object> hashMap = new HashMap<>();
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if(result > 0){
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hashMap.put("msg", "评论成功");
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return JSON.toJSONString(hashMap);
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}
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else{
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hashMap.put("msg", "评论失败");
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return JSON.toJSONString(hashMap);
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}
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}
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// 回复功能
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@Override
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public String Reply2(Comment comment){
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List<Integer> list = commentDao.selectByRootId(comment.getRootCommentId());
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if(list.size()<5){
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commentDao.insert(comment);
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return JSON.toJSONString(comment);
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}else{
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HashMap<String, Object> result = new HashMap<>();
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result.put("code", 500);
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result.put("msg", "回复超过上限");
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String jsonString = JSONObject.toJSONString(result);
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return JSON.toJSONString(result);
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}
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}
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// 删除
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@Override
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public String Delete(Comment comment){
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int result = commentDao.deleteByPrimaryKey(comment.getId());
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HashMap<String, Object> hashMap = new HashMap<>();
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if (result > 0){
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hashMap.put("msg", "删除成功");
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String jsonString = JSONObject.toJSONString(hashMap);
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return JSON.toJSONString(hashMap);
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}else{
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hashMap.put("msg","删除失败");
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return JSON.toJSONString(hashMap);
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}
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}
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// 点赞++
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// 点赞++
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@Override
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@Override
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public String AddLikeCount(int id){
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public String AddLikeCount(int id){
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Comment comment = commentDao.selectByPrimaryKey(id);
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Comment comment = commentDao.selectByPrimaryKey(id);
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if(comment.getLikeCount() == 0){
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}
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comment.setLikeCount(comment.getLikeCount()+1);
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comment.setLikeCount(comment.getLikeCount()+1);
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commentDao.updateByPrimaryKey(comment);
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int result = commentDao.updateByPrimaryKey(comment);
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if(result>0){
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return JSONObject.toJSONString(comment.getLikeCount());
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return JSONObject.toJSONString(comment.getLikeCount());
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}else{
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return JSONObject.toJSONString("点赞失败");
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}
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}
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}
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}
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}
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@ -144,4 +144,12 @@
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rating = #{rating,jdbcType=INTEGER}
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rating = #{rating,jdbcType=INTEGER}
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where id = #{id,jdbcType=INTEGER}
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where id = #{id,jdbcType=INTEGER}
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</update>
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</update>
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<select id="selectByRootId" parameterType="java.lang.Integer" resultMap="BaseResultMap">
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select
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id
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from ln_comment
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where root_comment_id = #{rootCommentId,jdbcType=INTEGER}
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</select>
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</mapper>
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</mapper>
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