准备好一张图片，本案例准备的一张二维码图片，点击添加，效果如下
点击页面中的“+”图案，会显示选择图片，然后我们选一张图片，效果如下
如上图所示，二维码就是我们要上传的图片。
完整html代码
<!doctype html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width,initial-scale=1,user-scalable=0">
<title>www.vxzsk.comV型知识库</title>
</head>
<link rel="stylesheet" href="https://weui.io/weui.css">
<link rel="stylesheet" href="https://weui.io/example.css">
<script src="http://libs.baidu.com/jquery/2.0.0/jquery.js"></script>
<body>
<div class="page__hd">
<h1 class="page__title">Uploader</h1>
<p class="page__desc">上传组件，一般配合<a class="link" href="#gallery">组件Gallery</a>来使用。[www.vxzsk.com V型知识库原创]</p>
</div>
<div class="page__bd">
<div class="weui-gallery" id="gallery">
<span class="weui-gallery__img" id="galleryImg"></span>
<div class="weui-gallery__opr">
<a href="javascript:" class="weui-gallery__del">
<i class="weui-icon-delete weui-icon_gallery-delete"></i>
</a>
</div>
</div>
<div class="weui-cells weui-cells_form">
<div class="weui-cell">
<div class="weui-cell__bd">
<div class="weui-uploader">
<div class="weui-uploader__hd">
<p class="weui-uploader__title">图片上传</p>
<div class="weui-uploader__info">0/2</div>
</div>
<div class="weui-uploader__bd">
<ul class="weui-uploader__files" id="uploaderFiles">
<li class="weui-uploader__file" style="background-image:url(https://weui.io/images/pic_160.png)"></li>
<li class="weui-uploader__file" style="background-image:url(https://weui.io/images/pic_160.png)"></li>
<li class="weui-uploader__file" style="background-image:url(https://weui.io/images/pic_160.png)"></li>
<li class="weui-uploader__file weui-uploader__file_status" style="background-image:url(https://weui.io/i/images/pic_160.png)">
<div class="weui-uploader__file-content">
<i class="weui-icon-warn"></i>
</div>
</li>
<li class="weui-uploader__file weui-uploader__file_status" style="background-image:url(https://weui.io/i/images/pic_160.png)">
<div class="weui-uploader__file-content">50%</div>
</li>
</ul>
<div class="weui-uploader__input-box">
<input id="uploaderInput" class="weui-uploader__input" type="file" accept="image/*" multiple="">
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</body>
<script type="text/javascript" class="uploader js_show">
$(function(){
var tmpl = '<li class="weui-uploader__file" style="background-image:url(#url#)"></li>',
$gallery = $("#gallery"), $galleryImg = $("#galleryImg"),
$uploaderInput = $("#uploaderInput"),
$uploaderFiles = $("#uploaderFiles")
;
$uploaderInput.on("change", function(e){
var src, url = window.URL || window.webkitURL || window.mozURL, files = e.target.files;
for (var i = 0, len = files.length; i < len; ++i) {
var file = files[i];
if (url) {
src = url.createObjectURL(file);
} else {
src = e.target.result;
}
$uploaderFiles.append($(tmpl.replace('#url#', src)));
}
});
$uploaderFiles.on("click", "li", function(){
$galleryImg.attr("style", this.getAttribute("style"));
$gallery.fadeIn(100);
});
$gallery.on("click", function(){
$gallery.fadeOut(100);
});
});</script>
</html>
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