添加上传按钮

pages/mine/opinion/index.wxml

@@ -7,6 +7,14 @@
   </view>
   <view class="submit" wx:if="{{!success}}" hover-class="none" hover-stop-propagation="false">
     <textarea class="bgf textarea br8 f14" value="{{textVal}}" bindinput="getVal" maxlength="150" placeholder="我们想听到您的心声..." placeholder-class="f14 cccc" bindfocus bindconfirm></textarea>
+    <view class="" style="margin-top: 16px;">
+      <image src="https://matripe-cms.oss-cn-beijing.aliyuncs.com/dailibaoming/my_uploadphotos.svg" 
+             mode="widthFix" 
+             style="width: 72px;height: 72px;" />
+    </view>
+    <view style="margin-top: 8px;font-size: 12px;color: #999999;">
+      上传照片截图，最多传4张（选填）
+    </view>
     <button class="normalBtn loginOut f16" hover-class="thover" bindtap="submit" style="margin-top:90px" loading="{{loading}}">提交</button>
   </view>
   <view class="success" wx:else hover-class="none" hover-stop-propagation="false">