<view> <button bindtap="previewImage" type="primary">圖片上傳預覽</button> <view class="tui-content">   <image class="tui-preview-img" wx:for="{{previewImageArr}}" bindtap="changePreview" data-src="{{item}}" src="{{item}}"></image> </view></view>

page{background-color: #efeff4;}.tui-preview-img{ width: 200rpx; height: 120rpx;}

Page({ data: {  previewImageArr:[] }, previewImage(e){  var self = this;  wx.chooseImage({   count:8,   success(res) {    var tempFilePaths = res.tempFilePaths;    self.setData({ previewImageArr: tempFilePaths});   }  }) }, changePreview(e){  var self = this;  wx.previewImage({   current: e.currentTarget.dataset.src,   urls: self.data.previewImageArr  }) }})