更新

lift-system-service/src/main/java/cn/com/ty/lift/system/faq/service/impl/FaqServiceImpl.java

@@ -60,48 +60,21 @@ public class FaqServiceImpl extends ServiceImpl<FaqMapper, Faq> implements FaqSe
     public RestResponse delete(Long id) {
         List<Long> ids = new ArrayList<>();
         List<Faq> faqs = this.list();
-        faqs.forEach(faq -> {
-            if (id.equals(faq.getParentId())) {
-                ids.add(faq.getParentId());
-                ids.addAll(this.d(faq.getParentId()), faqs);
-            }
-        });
-
-        if (deleteAll(id)) {
+        ids = this.ids(id, faqs, ids);
+        if (this.removeByIds(ids)) {
             return RestResponse.ok(null, "1", "删除成功");
         }
         return RestResponse.ok(null, "0", "删除失败");
     }
 
-    private ArrayList<Integer> d(Long id, List<Faq> faqs) {
-
-    }
-
-    //递归删除id及它下面所有分类，问答
-    private boolean deleteAll(Long id) {
-
-
-        //获取父id下的所有子分类或问答
-        List<Faq> faqs = this.list(new QueryWrapper<Faq>().eq("parent_id", id));
-        //删除父id下的所有子分类或问答
-        this.remove(new QueryWrapper<Faq>().eq("parent_id", id));
-        //删除自己
-        this.remove(new QueryWrapper<Faq>().eq("id", id));
-        //如果父id下还有子分类或问答
-        if (faqs.size() != 0) {
-            //遍历删除自己及删除自己下的所有子分类或问答
-            faqs.forEach(faq -> {
-                this.remove(new QueryWrapper<Faq>().eq("parent_id", id));
-                this.remove(new QueryWrapper<Faq>().eq("id", id));
-                //递归删除
-                deleteAll(faq.getParentId());
-            });
-            //删除完毕返回true
-            return true;
-        } else {
-            //如果没有子分类或问答就直接返回了
-            return true;
+    private List<Long> ids(Long id, List<Faq> faqs, List<Long> ids) {
+        for (Faq faq : faqs) {
+            if (id.equals(faq.getParentId())) {
+                ids.add(faq.getParentId());
+                ids.addAll(this.ids(faq.getParentId(), faqs, ids));
+            }
         }
+        return ids;
     }
 
     //type 1上移 0下移