From e4d41cd058048fa568d0628dd940d4e19569ca05 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E5=AE=87=E5=A4=A9?= <yutent@doui.cc>
Date: Wed, 13 Sep 2017 17:55:48 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BC=98=E5=8C=96drag=E6=8F=92=E4=BB=B6,?=
 =?UTF-8?q?=E5=A2=9E=E5=8A=A0=E6=98=AF=E5=90=A6=E5=8F=AF=E6=8B=96=E6=8B=BD?=
 =?UTF-8?q?=E5=88=A4=E6=96=AD?=
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---
 js/lib/drag/main.js | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/js/lib/drag/main.js b/js/lib/drag/main.js
index fd8ad47..624b3d5 100644
--- a/js/lib/drag/main.js
+++ b/js/lib/drag/main.js
@@ -118,7 +118,10 @@ define(['yua'], function(){
 
                 //拖拽前回调
                 if(_this.beforedrag){
-                    _this.beforedrag.call(_this.vmodels, target, ox, oy)
+                    var result = _this.beforedrag.call(_this.vmodels, target, ox, oy)
+                    if(result === false){
+                        return
+                    }
                 }
 
                 //限制区域, 4个值依次是: 上, 下, 左, 右