refactor(Grid): 修改 bind:tap 为 mut-bind:tap

Author: juzi214032

src/grid-item/index.wxml

@@ -1,3 +1,3 @@
-<view class="l-grid-item l-grid-item-class grid-item" bindtap="tapGridItem">
+<view class="l-grid-item l-grid-item-class grid-item" mut-bind:tap="tapGridItem">
     <slot></slot>
-</view>
+</view>

src/grid/index.wxml

@@ -1,11 +1,11 @@
-<view class="l-grid l-class" bindtap="tapGrid">
-    <view bindtap="tapGridItem" 
-          hover-class="{{isHover?'l-gird-hover':''}}" 
+<view class="l-grid l-class" mut-bind:tap="tapGrid">
+    <view mut-bind:tap="tapGridItem"
+          hover-class="{{isHover?'l-gird-hover':''}}"
           hover-start-time="20"
-          hover-stay-time="50" 
-          data-grid-index="{{item.index}}" 
-          class="l-grid-item l-class-grid l-grid-class {{index%rowNum !== rowNum-1 &&(showBorder||showColBorder) ? 'side-grid':''}} {{(index<gridItems.length-(gridItems.length%rowNum||rowNum)) &&(showBorder||showRowBorder)? 'center-grid':''}}" wx:for="{{gridItems}}" wx:key="key" 
+          hover-stay-time="50"
+          data-grid-index="{{item.index}}"
+          class="l-grid-item l-class-grid l-grid-class {{index%rowNum !== rowNum-1 &&(showBorder||showColBorder) ? 'side-grid':''}} {{(index<gridItems.length-(gridItems.length%rowNum||rowNum)) &&(showBorder||showRowBorder)? 'center-grid':''}}" wx:for="{{gridItems}}" wx:key="key"
           style="min-width:{{100/rowNum}}%;">
         <slot name="{{item.key}}"></slot>
     </view>
-</view>
+</view>