From b46758c92ffcd3d876dea35b00192137c2c678d0 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E5=88=98=E5=BB=BA=E4=B8=9C?= <762022369@qq.com>
Date: Thu, 10 Jan 2019 17:32:18 +0800
Subject: [PATCH] =?UTF-8?q?[bug=20fix]slider:=20=E4=BF=AE=E5=A4=8D=20value?=
 =?UTF-8?q?=20=E5=80=BC=E6=94=B9=E5=8F=98=E6=97=B6=EF=BC=8C=E8=A7=A6?=
 =?UTF-8?q?=E5=8F=91=20drag=20=E4=BA=8B=E4=BB=B6=E7=9A=84=E9=97=AE?=
 =?UTF-8?q?=E9=A2=98=20(#1186)?=
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---
 packages/slider/index.ts | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/packages/slider/index.ts b/packages/slider/index.ts
index ec926538..742a1ee1 100644
--- a/packages/slider/index.ts
+++ b/packages/slider/index.ts
@@ -55,7 +55,7 @@ VantComponent({
       this.touchMove(event);
       this.getRect('.van-slider').then(rect => {
         const diff = this.deltaX / rect.width * 100;
-        this.updateValue(this.startValue + diff);
+        this.updateValue(this.startValue + diff, false, true);
       });
     },
 
@@ -73,7 +73,7 @@ VantComponent({
       });
     },
 
-    updateValue(value, end) {
+    updateValue(value, end, drag) {
       value = this.format(value);
 
       this.set({
@@ -81,8 +81,10 @@ VantComponent({
         barStyle: `width: ${value}%; height: ${this.data.barHeight};`
       });
 
-      this.$emit('drag', { value });
-
+      if (drag) {
+        this.$emit('drag', { value });
+      }
+      
       if (end) {
         this.$emit('change', value);
       }