修正comment，banner接口

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

@@ -0,0 +1,14 @@
+package com.lovenav.service;
+
+import com.lovenav.entity.Banners;
+
+public interface BannersService {
+//    跳转链接
+    String Jump_url(int id);
+//    添加banner
+    String Add_banner(Banners banners);
+//    删除banner
+    String Delete_banner(int id);
+//    展示banner
+    String View_banner();
+}

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

@@ -10,7 +10,9 @@ public interface CommentService {
 //    评论
     String Reply1(Comment comment);
 //    回复
-    String Reply2(Comment comment);
+    String Reply2(Comment comment,int id);
 //    删除
     String Delete(int id);
+//    显示评论
+    String View_comment();
 }

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

@@ -0,0 +1,67 @@
+package com.lovenav.service.serviceImpl;
+
+import com.alibaba.fastjson.JSON;
+import com.lovenav.dao.BannersDao;
+import com.lovenav.entity.Banners;
+import com.lovenav.service.BannersService;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
+import java.util.List;
+import java.util.HashMap;
+
+@Service
+public class BannersServiceImpl implements BannersService {
+    @Autowired
+    private BannersDao bannersDao;
+
+//  跳转链接
+    @Override
+    public String Jump_url(int id){
+        Banners banners = bannersDao.selectByPrimaryKey(id);
+        HashMap<String, Object> hashMap = new HashMap<>();
+        if(banners != null){
+            hashMap.put("url",banners.getUrl());
+        }else{
+            hashMap.put("code",500);
+            hashMap.put("msg","找不到指定链接");
+        }
+        return JSON.toJSONString(hashMap);
+    }
+
+//  添加banner
+    @Override
+    public String Add_banner(Banners banners) {
+        int result = bannersDao.insert(banners);
+        HashMap<String, Object> hashMap = new HashMap<>();
+        if(result>0){
+            return JSON.toJSONString(banners);
+        }else{
+            hashMap.put("code",500);
+            hashMap.put("msg","添加banner失败");
+            return JSON.toJSONString(hashMap);
+        }
+    }
+
+//    删除banner
+    @Override
+    public String Delete_banner(int id){
+        int result = bannersDao.deleteByPrimaryKey(id);
+        HashMap<String, Object> hashMap = new HashMap<>();
+        if(result>0){
+            hashMap.put("code",200);
+            hashMap.put("msg","删除成功");
+            return JSON.toJSONString(hashMap);
+        }else{
+            hashMap.put("code",500);
+            hashMap.put("msg","删除失败");
+            return JSON.toJSONString(hashMap);
+        }
+    }
+
+//    展示banner
+    @Override
+    public String View_banner(){
+        List<Banners> list = bannersDao.selectByAllBanners();
+        return JSON.toJSONString(list);
+    }
+}

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

@@ -3,6 +3,7 @@ package com.lovenav.service.serviceImpl;
 import com.alibaba.fastjson2.JSON;
 import com.alibaba.fastjson2.JSONObject;
 import com.lovenav.dao.CommentDao;
+import com.lovenav.dao.UserDao;
 import com.lovenav.entity.Comment;
 import com.lovenav.service.CommentService;
 import org.apache.ibatis.jdbc.Null;
@@ -13,10 +14,12 @@ import org.springframework.stereotype.Service;
 import java.util.HashMap;
 import java.util.List;
 
-@Service("commentService")
+@Service
 public class CommentServiceImpl implements CommentService {
     @Autowired
     private CommentDao commentDao;
+    @Autowired
+    private UserDao userDao;
 //    评论功能
     @Override
     public String Reply1(Comment comment){
@@ -32,18 +35,11 @@ public class CommentServiceImpl implements CommentService {
     }
 //    回复功能
     @Override
-    public String Reply2(Comment comment){
-        List<Integer> list = commentDao.selectByRootId(comment.getRootCommentId());
-        if(list.size()<5){
-            commentDao.insert(comment);
-            return JSON.toJSONString(comment);
-        }else{
-            HashMap<String, Object> result = new HashMap<>();
-            result.put("code", 500);
-            result.put("msg", "回复超过上限");
-            String jsonString = JSONObject.toJSONString(result);
-            return JSON.toJSONString(result);
-        }
+    public String Reply2(Comment comment,int id){
+        String name = (userDao.selectByPrimaryKey(id)).getNickname();
+        HashMap<Comment,String> hashMap = new HashMap<>();
+        hashMap.put(comment, name);
+        return JSON.toJSONString(hashMap);
     }
 //    删除
     @Override
@@ -67,7 +63,13 @@ public class CommentServiceImpl implements CommentService {
         comment.setLikeCount(comment.getLikeCount()+1);
         commentDao.updateByPrimaryKeySelective(comment);
         HashMap<String, Long> hashMap = new HashMap<>();
-        hashMap.put("点赞成功:",comment.getLikeCount());
+        hashMap.put("点赞成功",comment.getLikeCount());
         return JSON.toJSONString(hashMap);
     }
+
+//    显示评论
+    public String View_comment(){
+        List<Comment> list = commentDao.selectByAllComment();
+        return JSON.toJSONString(list);
+    }
 }