微信小程序放大预览

wxml代码：

< block wx:for= "{{listData.photo}}">

< view class= "photo1">

< image bindtap= "previewImage" data-list= "{{listData.photo}}" data-src= "{{baseUrl+item}}" class= "ping" src= "{{baseUrl+item}}" / >

view >

block >

js代码：

previewImage: function (event) { var src = event.currentTarget.dataset.src; //获取data-src

var imgList = event.currentTarget.dataset.list; //获取data-list

var baseurl = getApp().globalData.baseUrl;

var imgLists = [];

for( var i= 0;i<=imgList.length;i++){

imgLists.push(baseurl+imgList[i]);

}

console.log(imgLists);

//图片预览

wx.previewImage({

current: src, // 当前显示图片的http链接

urls: imgLists // 需要预览的图片http链接列表

})

},