From 020333d5b8b5c84eb9fffe1801b7aa2ae6056eb8 Mon Sep 17 00:00:00 2001
From: cuteCloud <348296106@qq.com>
Date: Wed, 31 Oct 2018 17:05:27 +0800
Subject: [PATCH] =?UTF-8?q?=E8=A7=A3=E5=86=B3index=E7=B4=A2=E5=BC=95?=
 =?UTF-8?q?=E7=BB=84=E4=BB=B6=E5=AD=98=E5=9C=A8=E7=9A=842=E4=B8=AAbug?=
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 =?UTF-8?q?=E5=A4=9A=E4=BD=99tap=E4=BA=8B=E4=BB=B6=EF=BC=9A1.=E7=82=B9?=
 =?UTF-8?q?=E5=87=BB=E7=B4=A2=E5=BC=95=E9=A6=96=E4=BD=8D=E5=AD=97=E6=AF=8D?=
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 =?UTF-8?q?=E9=94=993.=E5=88=A0=E9=99=A4=E7=B4=A2=E5=BC=95=E7=9A=84tap?=
 =?UTF-8?q?=E4=BA=8B=E4=BB=B6=EF=BC=8C=E5=9B=A0=E4=B8=BAcatchtouchstart,ca?=
 =?UTF-8?q?tchtouchend=E5=90=8E=E4=BA=8B=E4=BB=B6=E8=A2=AB=E9=98=BB?=
 =?UTF-8?q?=E6=AD=A2=E4=BA=86=EF=BC=8Ctap=E6=8D=95=E8=8E=B7=E4=B8=8D?=
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MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 dist/index/index.js   | 20 +++++---------------
 dist/index/index.wxml |  2 +-
 src/index/index.js    | 20 +++++---------------
 src/index/index.wxml  |  2 +-
 4 files changed, 12 insertions(+), 32 deletions(-)

diff --git a/dist/index/index.js b/dist/index/index.js
index c556f19..69a7ce8 100644
--- a/dist/index/index.js
+++ b/dist/index/index.js
@@ -99,26 +99,16 @@ Component({
         triggerCallback(options){
             this.triggerEvent('change',options)
         },
-        handlerFixedTap(event){
-            const eindex = event.currentTarget.dataset.index;
-            const item = this.getCurrentItem(eindex);
-            this.setData({
-                scrollTop : item.top,
-                currentName : item.currentName,
-                isTouches : true
-            })
-            this.triggerCallback({
-                index : eindex,
-                current : item.currentName
-            })
-        },
         handlerTouchMove(event){
             const data = this.data;
             const touches = event.touches[0] || {};
             const pageY = touches.pageY;
             const rest = pageY - data.startTop;
-            let index = Math.ceil( rest/data.itemHeight );
+            let index = Math.floor( rest/data.itemHeight );
             index = index >= data.itemLength ? data.itemLength -1 : index;
+            if(index<0){
+                return ;
+            }
             const movePosition = this.getCurrentItem(index);
 
            /*
@@ -155,4 +145,4 @@ Component({
             }).exec()
         }
     }
-})
\ No newline at end of file
+})
diff --git a/dist/index/index.wxml b/dist/index/index.wxml
index f83d847..020b4c9 100644
--- a/dist/index/index.wxml
+++ b/dist/index/index.wxml
@@ -13,7 +13,7 @@
                 wx:for="{{fixedData}}" 
                 wx:key="{{index}}" 
                 data-index="{{index}}" 
-                catchtap="handlerFixedTap">
+                >
                 {{item}}
             </view>
         </view>  
diff --git a/src/index/index.js b/src/index/index.js
index c556f19..69a7ce8 100644
--- a/src/index/index.js
+++ b/src/index/index.js
@@ -99,26 +99,16 @@ Component({
         triggerCallback(options){
             this.triggerEvent('change',options)
         },
-        handlerFixedTap(event){
-            const eindex = event.currentTarget.dataset.index;
-            const item = this.getCurrentItem(eindex);
-            this.setData({
-                scrollTop : item.top,
-                currentName : item.currentName,
-                isTouches : true
-            })
-            this.triggerCallback({
-                index : eindex,
-                current : item.currentName
-            })
-        },
         handlerTouchMove(event){
             const data = this.data;
             const touches = event.touches[0] || {};
             const pageY = touches.pageY;
             const rest = pageY - data.startTop;
-            let index = Math.ceil( rest/data.itemHeight );
+            let index = Math.floor( rest/data.itemHeight );
             index = index >= data.itemLength ? data.itemLength -1 : index;
+            if(index<0){
+                return ;
+            }
             const movePosition = this.getCurrentItem(index);
 
            /*
@@ -155,4 +145,4 @@ Component({
             }).exec()
         }
     }
-})
\ No newline at end of file
+})
diff --git a/src/index/index.wxml b/src/index/index.wxml
index f83d847..020b4c9 100644
--- a/src/index/index.wxml
+++ b/src/index/index.wxml
@@ -13,7 +13,7 @@
                 wx:for="{{fixedData}}" 
                 wx:key="{{index}}" 
                 data-index="{{index}}" 
-                catchtap="handlerFixedTap">
+                >
                 {{item}}
             </view>
         </view>