详解小程序如何动态绑定点击的执行方法

// 营销工具菜单组
menuListSell: [
 {id: 0, title: '开团海报', type: 'page', url: '/pages/userCenter/poster/poster' ,iconUrl: '/assets/mine/poster.png', badge: 0},
 {id: 1, title: '优惠券包', type: 'method', url: 'showDeveloping' ,iconUrl: '/assets/mine/coupon.png', badge: 4},
 {id: 2, title: '优惠活动', type: 'method', url: 'showDiscountActivity' ,iconUrl: '/assets/mine/gift.png', badge: 0},
],

<view class="section-icons">
  <view wx:for="{{menuListNormal}}"
     wx:key="{{item.id}}"
     data-index="{{item.id}}"
     data-type="{{item.type}}"
     data-url="{{item.url}}"
     class="section-icons-item"
     bindtap="switchMenu" >
    <view class="icon">
      <image src="{{item.iconUrl}}" mode="aspectFit"></image>
      <view wx:if="{{item.badge > 0}}" class="badge">{{item.badge}}</view>
    </view>
    <text>{{item.title}}</text>
  </view>
</view>

 // 菜单点击
 switchMenu(e){
  // 获取标签上的数据
  let pageUrl = e.currentTarget.dataset.url;
  let type = e.currentTarget.dataset.type;
  if (type === 'page'){ // 跳转页面时
   wx.navigateTo({
    url: pageUrl
   })
  } else { // 调用方法时
   this[pageUrl]()
  }
 },