From 68ad79b5aca73a63c98cdfb2f2dad2e814ba8b63 Mon Sep 17 00:00:00 2001
From: zhouhao <zh.sqy@qq.com>
Date: Mon, 21 Aug 2017 14:06:37 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BC=98=E5=8C=96=E9=BB=98=E8=AE=A4parentId?=
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---
 .../web/service/AbstractTreeSortService.java         | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/hsweb-commons/hsweb-commons-service/hsweb-commons-service-simple/src/main/java/org/hswebframework/web/service/AbstractTreeSortService.java b/hsweb-commons/hsweb-commons-service/hsweb-commons-service-simple/src/main/java/org/hswebframework/web/service/AbstractTreeSortService.java
index ec042c59a..a421454aa 100644
--- a/hsweb-commons/hsweb-commons-service/hsweb-commons-service-simple/src/main/java/org/hswebframework/web/service/AbstractTreeSortService.java
+++ b/hsweb-commons/hsweb-commons-service/hsweb-commons-service-simple/src/main/java/org/hswebframework/web/service/AbstractTreeSortService.java
@@ -54,13 +54,23 @@ public abstract class AbstractTreeSortService<E extends TreeSortSupportEntity<PK
         return createQuery().where(TreeSupportEntity.parentId, parentId).noPaging().list();
     }
 
+    //当父节点不存在时,创建parentId
+    @SuppressWarnings("unchecked")
+    protected PK createParentIdOnExists() {
+        if (getPrimaryKeyType() == String.class) {
+            return (PK) "-1";
+        }
+        return null;
+    }
+
     protected void applyPath(E entity) {
         if (!StringUtils.isEmpty(entity.getParentId())) return;
         if (!StringUtils.isEmpty(entity.getPath())) return;
 
         TreeSortSupportEntity<PK> parent = selectByPk(entity.getParentId());
         if (null == parent) {
-            entity.setParentId(null);
+            entity.setParentId(createParentIdOnExists());
+            entity.setPath(RandomUtil.randomChar(4));
         } else {
             entity.setPath(parent.getPath() + "-" + RandomUtil.randomChar(4));
         }