添加data的size

backend/src/main/java/com/nav/common/api/CommonResult.java

@@ -19,6 +19,7 @@ public class CommonResult<T> {
      * 数据封装
      */
     private T data;
+    private int size;
 
     protected CommonResult() {
     }
@@ -29,6 +30,13 @@ public class CommonResult<T> {
         this.data = data;
     }
 
+    protected CommonResult(long code, String message, int size, T data) {
+        this.code = code;
+        this.message = message;
+        this.data = data;
+        this.size=size;
+    }
+
     /**
      * 成功返回结果
      *
@@ -48,6 +56,10 @@ public class CommonResult<T> {
         return new CommonResult<T>(ResultCode.SUCCESS.getCode(), message, data);
     }
 
+    public static <T> CommonResult<T> success(T data,int size, String message) {
+        return new CommonResult<T>(ResultCode.SUCCESS.getCode(), message,size,data);
+    }
+
     /**
      * 失败返回结果
      * @param errorCode 错误码
@@ -140,4 +152,12 @@ public class CommonResult<T> {
     public void setData(T data) {
         this.data = data;
     }
+
+    public int getSize() {
+        return size;
+    }
+
+    public void setSize(int size) {
+        this.size = size;
+    }
 }

backend/src/main/java/com/nav/controller/PostController.java

@@ -53,12 +53,8 @@ public class PostController {
     }
 
     @GetMapping("comment/{id}")
-    public Map<Integer,CommonResult> getCommentByPostId(@PathVariable long id) {
-        Map<Integer,CommonResult> map=new HashMap<>();
-        CommonResult commonResult=postService.getCommentByPostId(id);
-        List<CommentResult> commentResult = (List<CommentResult>) commonResult.getData();
-        map.put(commentResult.size(),commonResult);
-        return map;
+    public CommonResult getCommentByPostId(@PathVariable long id) {
+        return postService.getCommentByPostId(id);
     }
 
     @GetMapping("lifePost/tag/{tag}")

backend/src/main/java/com/nav/service/PostServiceImpl.java

@@ -50,7 +50,8 @@ public class PostServiceImpl implements PostService{
 
     @Override
     public CommonResult getCommentByPostId(long id) {
-        return CommonResult.success(commentDao.selectCommentByPostId(id),"请求成功");
+        List<Comment> commentList=commentDao.selectCommentByPostId(id);
+        return CommonResult.success(commentList,commentList.size(),"请求成功");
     }
 
     @Override

backend/src/test/java/com/nav/NavApplicationTests.java

-package com.nav;
-
-import org.junit.jupiter.api.Test;
-import org.springframework.boot.test.context.SpringBootTest;
-
-@SpringBootTest
-class NavApplicationTests {
-
-    @Test
-    void contextLoads() {
-    }
-
-}
+//package com.nav;
+//
+//import org.junit.jupiter.api.Test;
+//import org.springframework.boot.test.context.SpringBootTest;
+//
+//@SpringBootTest
+//class NavApplicationTests {
+//
+//    @Test
+//    void contextLoads() {
+//    }
+//
+//}