小程序点击查看图片

<block wx:for="{{info.materials}}" wx:key="index">

      <image class="img" mode="aspectFill" src="{{item}}" bindtap="previewImage" data-current="{{item}}"></image>

    </block>

    previewImage(e) {

      const data = e.currentTarget.dataset;

      wx.previewImage({

        current: data.current,

        urls: this.data.info.materials,

      });

      console.log(data,123);

    },