WeChat mini programs are becoming more and more popular, and programmers are constantly exposed to the development of WeChat mini programs. In this article, we will teach you a WeChat mini program: when you click on a picture, the current picture will be enlarged and previewed, and you can slide it left or right. Function.
Implementation method: Use WeChat applet image preview interface
We can see that the api requires two parameters, respectively through the following data- list and data-src are passed to js
wxml code:
js code:
//图片点击事件 imgYu:function(event){ var src = event.currentTarget.dataset.src;//获取data-src var imgList = event.currentTarget.dataset.list;//获取data-list //图片预览 wx.previewImage({ current: src, // 当前显示图片的http链接 urls: imgList // 需要预览的图片http链接列表 }) }
1. Add a click event (imgYu) to the image
2. Use event.currentTarget.dataset.Custom attribute name to get the value of data- Such as event.currentTarget.dataset.src (get the value of data-src)
3. Then put the two obtained values into the wx.previewImage interface
Follow the above Let's do some hands-on operation on the content, and you can realize the enlarged preview of the picture, and you can slide it left and right. Let's do it quickly.
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