uploader.html

<div class="page">
    <div class="page__hd">
        <h1 class="page__title">Uploader</h1>
        <p id="x123" class="page__desc">
          <input class="weui-hidden_abs" readonly style="width: 1px; height: 1px;" aria-labelledby="x123" role="option">
          上传组件，一般配合<a class="weui-wa-hotarea link" href="#gallery">组件Gallery</a>来使用。
        </p>
    </div>
    <div class="page__bd">
        <div role="dialog" aria-hidden="true" aria-modal="true" class="weui-gallery" id="gallery">
            <span role="img" tabindex="0" class="weui-gallery__img" id="galleryImg"></span>
            <div class="weui-gallery__opr">
                <a role="button" aria-label="删除" 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  weui-cell_uploader">
                <div class="weui-cell__bd">
                    <div class="weui-uploader">
                        <div class="weui-uploader__hd" role="option" aria-labelledby="js_uploader_title js_a11y_comma js_uploader_current_num js_uploader_unit js_a11y_comma js_uploader_max_tips js_uploader_max_num js_uploader_unit">
                            <p id="js_uploader_title" class="weui-uploader__title">图片上传</p>
                            <div class="weui-uploader__info">
                              <span id="js_uploader_current_num">0</span>/<span id="js_uploader_max_num">2</span>
                            </div>
                            <div id="js_uploader_unit" class="weui-hidden_abs">张</div>
                            <div id="js_uploader_max_tips" class="weui-hidden_abs">可上传</div>
                        </div>
                        <div class="weui-uploader__bd">
                            <ul class="weui-uploader__files" id="uploaderFiles">
                                <li class="weui-uploader__file" role="img" aria-label="图片标题" title="轻点两下查看大图" tabindex="0" style="background-image: url(./images/pic_160.png);"></li>
                                <li class="weui-uploader__file" role="img" aria-label="图片标题" title="轻点两下查看大图" tabindex="0" style="background-image: url(./images/pic_160.png);"></li>
                                <li class="weui-uploader__file" role="img" aria-label="图片标题" title="轻点两下查看大图" tabindex="0" style="background-image: url(./images/pic_160.png);"></li>
                                <li class="weui-uploader__file weui-uploader__file_status" style="background-image: url(./images/pic_160.png);">
                                    <div role="alert" class="weui-uploader__file-content">
                                        <i role="img" tabindex="0" aria-label="错误" class="weui-icon-warn"></i>
                                    </div>
                                </li>
                                <li class="weui-uploader__file weui-uploader__file_status" style="background-image: url(./images/pic_160.png);">
                                    <div role="alert" 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>
</div>
<script type="text/javascript">
    $(function(){
        var tmpl = '<li class="weui-uploader__file" role="img" tabindex="0" 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)));
            }
        });
        var currentImg;
        $uploaderFiles.on("click", "li", function(){
            $galleryImg.attr("style", this.getAttribute("style"));
            $gallery.attr('aria-hidden','false');
            $gallery.attr('aria-modal','true');
            $gallery.fadeIn(100);
            setTimeout(function(){
              $galleryImg.attr("tabindex", '-1').trigger('focus');
            },200);
            currentImg = this;
        });
        $gallery.on("click", function(){
            $gallery.attr('aria-modal','false');
            $gallery.attr('aria-hidden','true');
            $gallery.fadeOut(100);
            setTimeout(function(){
              $galleryImg.removeAttr("tabindex");
            },200);
            currentImg.focus();
        });
    });
</script>