pk8f3pmu2/pages/my_courses/my_courses.wxml

<!--
所有的页面数据见同目录classes.js中Page.data定义部分
classes: 课程列表 type: Array
  元素class: 课程信息 class.objectId 唯一
    class.objectId  唯一键
    class.name  课程名称
-->
<view class="container">

  <view class="course-list">
    <image wx:if="{{classes.length==0 && !loading}}" class="none-content" src="../../images/none.png" mode="aspectFit"></image>
    <text wx:if="{{classes.length==0 && !loading}}" class="none-content hint">你的课程表空空如也</text>
    <block  wx:for="{{classes}}" wx:for-item="class" wx:key="objectId">
      <view class="classroom flex-wrap" data-class_id="{{class.objectId}}" data-class_name="{{class.name}}" bindtap="enter_class" catchlongpress="del_class">
        <!--icon type="success"></icon-->
        <myicon class="classroom-icon" type="internet_class" size="26" color="#2351e4"></myicon>
        <text>{{class.name}}</text>
      </view>
    </block>
  </view>
 </view>
 <myicon class="add-class" type="add" color="#00C7B7" size="56" bindtap="add_class"></myicon>