feat:card组件新增image-mode属性

Author: 张寸起

src/card/index.js

@@ -16,6 +16,10 @@ Component({
       type:String,
       value:'left'
     },
+    imageMode:{
+      type:String,
+      value: 'aspectFit'
+    },
     type: {
       type: String,
       value: 'primary'

src/card/index.wxml

@@ -9,7 +9,7 @@
   <block wx:if="{{type ==='avatar'}}">
     <view class="card-avatar-top">
       <view class="card-avatar-left">
-        <image mode="aspectFill" class="l-img-class {{ 'card-img-' + type }}" src='{{image}}'></image>
+        <image lazy-load mode="{{imageMode}}" class="l-img-class {{ 'card-img-' + type }}" src='{{image}}'></image>
         <view class="card-avatar">
           <text class="l-title-class card-title {{'card-title-' + type}}">{{title}}</text>
           <text class="describe">{{describe}}</text>