viewer.js实现图片预览

viewer.js是实现图片预览的插件库，要在项目中使用它里面的功能，首先要引入两个文件：
1、css文件:viewer.css
2、js文件:viewer.js
可以在这里下载
https://github.com/fengyuanchen/viewerjs

下载后，在html中引入

<link rel="stylesheet" type="text/css" href="./viewer.css" />
<script src="./viewer.js" type="text/javascript" charset="utf-8"></script>

页面布局
html部分

	<div id="imgBox">
			<div id="imgBoxItem" class="imglist1">
				<img src="image/img-1.jpg" data-imgurl="image/img-1.jpg">
			</div>
			<div id="imgBoxItem" class="imglist2">
				<img src="image/img-2.jpg" data-imgurl="image/img-2.jpg">
			</div>
			<div id="imgBoxItem" class="imglist3">
				<img src="image/img-3.jpg" data-imgurl="image/img-3.jpg">
			</div>
			<div id="imgBoxItem" class="imglist4">
				<img src="image/img-4.jpg" data-imgurl="image/img-4.jpg">
			</div>
		</div>

CSS部分:

* {
				margin: 0;
				padding: 0;
				list-style: none;
			}

			body {
				background-color: #f5f5f5;
				font-family: 'PingFang SC Regular', 'PingFang SC';
				width: 100%;
				min-width: 320px;
				max-width: 480px;
				-webkit-tap-highlight-color: rgba(0, 0, 0, 0);
				text-shadow: none;
				position: absolute;
				box-sizing: content-box;
				word-break: break-all;

			}

			#imgBox {
				width: 92%;
				margin: 0 auto;
				margin-top: 10px;
				display: flex;
				flex-wrap: wrap;
			}

			#imgBoxItem {
				width: 48%;
				margin-left: 1%;
				margin-right: 1%;
				margin-top: 1%;
				height: 100px;
			}

			#imgBoxItem img {
				width: 100%;
				height: 100%;
			}

JS部分:

<script type="text/javascript">
			window.onload = function() {
				var viewer = new Viewer(document.getElementById('imgBox'), {
					url: 'data-imgurl'
				});
			}
		</script>

效果:
预览前:

点击图片预览: