小程序图片预览

<view class="imgbox">

      <image bindtap='topic_preview' data-url='{{item}}' data-all='{{repair.imglist}}' class="img" mode="aspectFit" src="{{item}}" wx:for="{{repair.imglist}}" wx:key="index"></image>

</view>

 

 

topic_preview:function(e){

    var that = this;

    var previewImgArr = [];

    var url = e.currentTarget.dataset.url;

    previewImgArr = e.currentTarget.dataset.all;

    wx.previewImage({

      current: url,

      urls: previewImgArr

    })

  }