fix: 增加loading组件非全屏模式下的外部样式l-container-class(#640) (#642)

Author: dpp050700

dist/loading/index.wxml

@@ -35,7 +35,7 @@
     </block>
   </view>
 </view>
-<view wx:if="{{!fullScreen}}" style="position: relative">
+<view wx:if="{{!fullScreen}}" class="l-container-class" style="position: relative">
     <slot name="content"/>
     <view wx:if="{{show}}" class="inner-loading-container" style="background:{{bgColor}};opacity:{{opacity}};z-index:{{zIndex}}"></view>
     <view wx:if="{{show}}" class="l-class loading-icon-container" style="z-index:{{zIndex + 1}}">

examples/dist/loading/index.wxml

@@ -35,7 +35,7 @@
     </block>
   </view>
 </view>
-<view wx:if="{{!fullScreen}}" style="position: relative">
+<view wx:if="{{!fullScreen}}" class="l-container-class" style="position: relative">
     <slot name="content"/>
     <view wx:if="{{show}}" class="inner-loading-container" style="background:{{bgColor}};opacity:{{opacity}};z-index:{{zIndex}}"></view>
     <view wx:if="{{show}}" class="l-class loading-icon-container" style="z-index:{{zIndex + 1}}">

src/loading/index.wxml

@@ -35,7 +35,7 @@
     </block>
   </view>
 </view>
-<view wx:if="{{!fullScreen}}" style="position: relative">
+<view wx:if="{{!fullScreen}}" class="l-container-class" style="position: relative">
     <slot name="content"/>
     <view wx:if="{{show}}" class="inner-loading-container" style="background:{{bgColor}};opacity:{{opacity}};z-index:{{zIndex}}"></view>
     <view wx:if="{{show}}" class="l-class loading-icon-container" style="z-index:{{zIndex + 1}}">