更新

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

@@ -691,4 +691,9 @@ public class UrlAndCateController {
         }
         return JSONObject.toJSONString(result);
     }
+
+    @RequestMapping("/selectName")
+    public String selectName(int id){
+        return urlCateListService.selectName(id);
+    }
 }

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

@@ -36,4 +36,6 @@ public interface UrlCateListDao {
 
     public List<String> selectChildrenByCateId(Integer id);
 
+    public String selectName(int id);
+
 }

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

@@ -28,4 +28,5 @@ public interface UrlCateListService {
 
     public HashMap<String, Object> countAllCateByUser(UrlCateList urlCateList);
 
+    public String selectName(int id);
 }

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

@@ -1,5 +1,6 @@
 package com.lovenav.service.serviceImpl;
 
+import com.alibaba.fastjson.JSON;
 import com.alibaba.fastjson2.JSONArray;
 import com.alibaba.fastjson2.JSONObject;
 import com.lovenav.dao.UrlCateListDao;
@@ -167,4 +168,9 @@ public class UrlCateListServiceImpl implements UrlCateListService {
         return map;
     }
 
+
+    public String selectName(int id){
+        String name = urlCateListDao.selectName(id);
+        return JSON.toJSONString(name);
+    }
 }

src/main/resources/mybatis/CommentDao.xml

@@ -196,7 +196,7 @@
     where root_comment_id = 0 and comment_status = 0
   </select>
 
-  <select id="selectByAllReply" parameterType="java.lang.Integer" resultMap="BaseResultMap">
+  <select id="selectByAllReply"  resultMap="BaseResultMap">
     select
       *
     from ln_comment

src/main/resources/mybatis/UrlCateListDao.xml

@@ -195,4 +195,8 @@
       ico = #{ico,jdbcType=VARCHAR}
     where id = #{id,jdbcType=INTEGER}
   </update>
+
+  <select id="selectName" parameterType="java.lang.Integer" resultType="java.lang.String">
+    select name from ln_url_cate_list where id = #{id,jdbcType=INTEGER}
+  </select>
 </mapper>