微信小程序预览多张图片

WXML

<image wx:for="{ {img}}" src="{ {item}}" mode="widthFix" bindtap="PreviewImg" data-index="{ {index}}"></image>

JS

data: {

        img:[

            '/img/test1.jpg',

            '/img/test2.jpg'

        ]

},

//预览图片

PreviewImg: function (e) {

        let index = e.target.dataset.index;

        var img=this.data.img;

        wx.previewImage({

            current: img[index],     

            urls: img,

        })

  },