nyx weapp: 页面优化

1. 调整logo上传及显示的逻辑
- 如果已经有logo, memberInfo.member_logo, 则直接显示
- 如果未有logo, 且未选择, logoArray.length == 0, 则直接显示上传logo
- 如果未有logo, 且已选择, logoArray.length > 0, 则直接显示logo

增值产品-小程序及app/nyx-master/pages/member/activity-post/activity-submit/activity-submit.wxml

-<view class="page-body">
+<view class="page-body">
@@ -24,7 +24,7 @@
     <!-- </form> -->
 
       <!-- start 商家选择栏 多商家才出现 -->
-      <block wx:if="members.length >= 1">
+      <block wx:if="{{members.length!=0}}">
           <view class="weui-cells__title">#选择发布商家</view>      
           <view class="navBar" >
             <scroll-view class="navBar-box" scroll-x="true" style="white-space: nowrap; display:flex ">
@@ -58,6 +58,8 @@
                 <!-- start of column left -->
                 <view class="note-column-left align justify">
                   <view class="weui-uploader__bd">
+                    <!-- start of 已上传 -->
+                    <block wx:if="{{memberInfo.member_logo!=''}}">
                       <view class="weui-uploader__files">
                         <block wx:for="{{[memberInfo.member_logo]}}" wx:for-item="image">
                           <view class="weui-uploader__file">
@@ -65,13 +67,26 @@
                           </view>
                         </block>
                       </view>
-                    <block wx:if="{{logoArray.length == 0}}">
+                    </block>        
+                    <!-- end of 已上传 -->            
+                    <!-- start of 未上传 -->
+                    <block wx:elif="{{logoArray.length == 0}}">
                       <view class="weui-uploader__input-box">
                         <view class="weui-uploader__input" bindtap="addLogo"></view>
                         <!-- <view class="weui-uploader__title">商家信息</view> -->
                         <view style="color: rgba(0,0,0,.5);font-size:30rpx;">2、添加Logo</view>
                       </view>
                     </block>
+                    <block wx:else>
+                      <view class="weui-uploader__files">
+                        <block wx:for="{{logoArray}}" wx:for-item="image">
+                          <view class="weui-uploader__file">
+                            <image class="weui-uploader__img" src="{{image}}" data-src="{{image}}" bindtap="previewImage"></image>
+                          </view>
+                        </block>
+                      </view>
+                    </block>
+                    <!-- end of 未上传 -->
                   </view>
                 </view>
                 <!-- end of note-column-left -->