fix(Album): 去除单张图片底部多余空隙

close #1100

BREAKING CHANGE: 去除单张图片底部多余空隙

Author: juzi214032

src/album/index.wxml

@@ -1,9 +1,12 @@
 <wxs src="index.wxs" module="album"></wxs>
-<view style="{{album.gridStyle(gapRow, gapColumn, multipleSize, everyRowNumber)}}">
+<!-- 最外层 view 用于修复 issue 1100 -->
+<view style="display:flex">
+  <view style="{{album.gridStyle(gapRow, gapColumn, multipleSize, everyRowNumber)}}">
     <block wx:for="{{showUrls}}" wx:key="index" class="child">
-        <view class="imageContainer {{album.dimBack(isLong, index, maxNumber, previewFullImage)}}" style="{{album.blockStyle(urls, horizontalScreen, shortSideValue, singleSize, multipleSize)}}">
-            <image class="{{album.dim(isLong, index, maxNumber, previewFullImage)}}}" id='{{index}}' bind:tap="onPreviewTap" style="{{album.blockStyle(urls, horizontalScreen, shortSideValue, singleSize, multipleSize)}}" src="{{newType?item[key]:item}}" mode="{{urls.length === 1?singleMode:multipleMode}}" />
-            <view wx:if="{{album.image(isLong, index, maxNumber, previewFullImage)}}" class="text">+{{urls.length-maxNumber}}</view>
-        </view>
+      <view class="imageContainer {{album.dimBack(isLong, index, maxNumber, previewFullImage)}}" style="{{album.blockStyle(urls, horizontalScreen, shortSideValue, singleSize, multipleSize)}}">
+        <image class="{{album.dim(isLong, index, maxNumber, previewFullImage)}}}" id='{{index}}' bind:tap="onPreviewTap" style="{{album.blockStyle(urls, horizontalScreen, shortSideValue, singleSize, multipleSize)}}" src="{{newType?item[key]:item}}" mode="{{urls.length === 1?singleMode:multipleMode}}" />
+        <view wx:if="{{album.image(isLong, index, maxNumber, previewFullImage)}}" class="text">+{{urls.length-maxNumber}}</view>
+      </view>
     </block>
+  </view>
 </view>