删除网站分类

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

@@ -7,6 +7,7 @@ import com.fasterxml.jackson.core.JsonProcessingException;
 import com.fasterxml.jackson.databind.JsonNode;
 import com.fasterxml.jackson.databind.ObjectMapper;
 import com.fasterxml.jackson.databind.node.ObjectNode;
+import com.lovenav.dao.UserDao;
 import com.lovenav.entity.UrlCateList;
 import com.lovenav.entity.UrlList;
 import com.lovenav.service.UrlCateListService;
@@ -48,8 +49,8 @@ public class UrlAndCateController {
 
     @Autowired
     UrlListService urlListService;
-
-
+    @Autowired
+    UserDao userDao;
     //处理JSON
     @RequestMapping("/disposeJson")
     public String disposeJson(@RequestBody String data2 ,String email)
@@ -605,18 +606,31 @@ public class UrlAndCateController {
     }
 
     @RequestMapping("/deleteCateByCateId")
-    public String  deleteCateByCateId(String cateId)
+    public String  deleteCateByCateId(Integer Id,String userId)
     {
-        int flag = 0;
         HashMap<String, Object> result = new HashMap<>();
-        if(flag == 1)
-        {
+        Set<Integer> parentList = new HashSet<>();
+        parentList.add(Integer.valueOf(Id));
+
+        List<String> stringList = urlCateListService.selectChildrenByCateId(Id);
+
+        String childrenString= String.join(",", stringList);
+        String [] strings = childrenString.split(",");
+        Set<String> set = new HashSet<>(Arrays.asList(strings));
+        for(String child : set){
+            if(child.equals("")) {
+                urlListService.deleteByCateId(Long.valueOf(Id));
+                urlCateListService.deleteByPrimaryKey(Id);
+            }else{
+                urlListService.deleteByCateId(Long.valueOf(child));
+                urlCateListService.deleteByPrimaryKey(Integer.valueOf(child));
+            }
+
+        }
+
+        urlCateListService.countCateContainUrlNumber(userDao.selectByPrimaryKey(Integer.valueOf(userId)).getUserEmail());
             result.put("code", 200);
             result.put("msg", "处理成功");
-        }else{
-            result.put("code", 500);
-            result.put("msg", "处理失败");
-        }
         return JSONObject.toJSONString(result);
     }
 

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

@@ -31,4 +31,7 @@ public interface UrlCateListDao {
 
     public List<UrlCateList> selectUrListByUserId(Integer userId);
     public String selectUrListCateByUrlCateId(Integer cateId);
+
+    public List<String> selectChildrenByCateId(Integer id);
+
 }

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

@@ -31,5 +31,5 @@ public interface UrlListDao {
 
     public List<UrlList> selectUrListByNeedLogin();
 
-
+    public int deleteByCateId(Long id);
 }

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

@@ -20,4 +20,9 @@ public interface UrlCateListService {
     public int insertSelective(UrlCateList urlCateList);
     public int updateByUrlCateList(UrlCateList urlCateList);
 
+
+    public List<String> selectChildrenByCateId(Integer id);
+
+    public int deleteByPrimaryKey(Integer id);
+
 }

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

@@ -15,4 +15,7 @@ public interface UrlListService {
 
     public List<UrlList> selectUrListByNeedLogin();
     public int insertUrlByUser(UrlList urlList);
+    public int deleteByPrimaryKey(Long id);
+
+    public int deleteByCateId(Long id);
 }

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

@@ -72,6 +72,14 @@ public class UrlCateListServiceImpl implements UrlCateListService {
     {
         return urlCateListDao.updateByPrimaryKeySelective(urlCateList);
     }
+
+    public List<String> selectChildrenByCateId(Integer id)
+    {
+        return urlCateListDao.selectChildrenByCateId(id);
+    }
+
+
+
     public UrlCateList selectByPrimaryKey(Integer id)
     {
         return urlCateListDao.selectByPrimaryKey(id);
@@ -145,4 +153,8 @@ public class UrlCateListServiceImpl implements UrlCateListService {
         }
         return jsonArray;
     }
+
+    public int deleteByPrimaryKey(Integer id){
+        return urlCateListDao.deleteByPrimaryKey(id);
+    }
 }

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

@@ -79,4 +79,12 @@ public class UrlLiserServiceImpl implements UrlListService {
         }
 
     }
+    public int deleteByPrimaryKey(Long id){
+        return urlListDao.deleteByPrimaryKey(id);
+    }
+
+    public int deleteByCateId(Long id)
+    {
+        return urlListDao.deleteByCateId(id);
+    }
 }

src/main/resources/mybatis/UrlCateListDao.xml

@@ -53,6 +53,19 @@
     WHERE t3.isparent != '0' and t3.id =#{cateId ,jdbcType=INTEGER}
   </select>
 
+  <select id="selectChildrenByCateId" parameterType="java.lang.Integer" resultType="java.lang.String">
+    SELECT t3.ischild
+    FROM(SELECT t1.*,
+                IF (FIND_IN_SET(root_cate_id, @pids) > 0,@pids := CONCAT(@pids, ',', id),'0') AS ischild
+         FROM(SELECT t.id,t.root_cate_id
+              FROM ln_url_cate_list AS t
+              ORDER BY t.id ASC) t1,
+             (SELECT @pids := #{id ,jdbcType=INTEGER}) t2) t3
+    WHERE ischild != '0'
+  </select>
+
+
+
 
   <delete id="deleteByPrimaryKey" parameterType="java.lang.Integer">
     delete from ln_url_cate_list

src/main/resources/mybatis/UrlListDao.xml

@@ -64,6 +64,14 @@
     delete from ln_url_list
     where id = #{id,jdbcType=BIGINT}
   </delete>
+
+  <delete id="deleteByCateId" parameterType="java.lang.Long">
+    delete from ln_url_list
+    where cate_id = #{id,jdbcType=BIGINT}
+  </delete>
+
+
+
   <insert id="insert" keyColumn="id" keyProperty="id" parameterType="com.lovenav.entity.UrlList" useGeneratedKeys="true">
     insert into ln_url_list (`name`, icon, cate_id, 
       url, createtime, views,