me.commands["insertvideo"] = {
        execCommand: function (cmd, videoObjs, type){

            videoObjs = utils.isArray(videoObjs)?videoObjs:[videoObjs];
            var html = [],id = ‘tmpVedio‘, cl;
            for(var i=0,vi,len = videoObjs.length;i<len;i++){
                vi = videoObjs[i];
                // cl = (type == ‘upload‘ ? ‘edui-upload-video video-js vjs-default-skin‘:‘edui-faked-video‘);
                // html.push(creatInsertStr( vi.url, vi.width || 420,  vi.height || 280, id + i, null, cl, ‘image‘));
                //此处将 edui-faked-video 改为 edui-faked，防止后面将此处替换为image标签
                cl = (type == ‘upload‘ ? ‘edui-upload-video video-js vjs-default-skin‘:‘edui-faked-video‘);
// 此处将image改为embed实现实时预览视频，且修复了第一次插入视频保存后，刷新后再保存会导致视频丢失的bug
                html.push(creatInsertStr( vi.url, vi.width || 420, vi.height || 280, id + i, null, cl, ‘video‘));
            }
            me.execCommand("inserthtml",html.join(""),true);
            var rng = this.selection.getRange();
            for(var i= 0,len=videoObjs.length;i<len;i++){
                var img = this.document.getElementById(‘tmpVedio‘+i);
                domUtils.removeAttributes(img,‘id‘);
                rng.selectNode(img).select();
                me.execCommand(‘imagefloat‘,videoObjs[i].align)
            }
        },
        queryCommandState : function(){
            var img = me.selection.getRange().getClosedNode(),
                flag = img && (img.className == "edui-faked-video" || img.className.indexOf("edui-upload-video")!=-1);
            return flag ? 1 : 0;
        }
    };

/**
     * 根据url生成视频预览
     * @param url
     */
    function createPreviewVideo(url) {
        if (!url)return;

        var conUrl = convert_url(url);

        conUrl = utils.unhtmlForUrl(conUrl);

        $G("preview").innerHTML =
            // ‘<div class="previewMsg"><span>‘ + lang.urlError + ‘</span></div>‘ +
            // ‘<embed class="previewVideo" type="application/x-shockwave-flash" pluginspage="http://www.macromedia.com/go/getflashplayer"‘ +
            //     ‘ src="http://www.mamicode.com/‘ + conUrl + ‘"‘ +
            //     ‘ width="‘ + 420  + ‘"‘ +
            //     ‘ height="‘ + 280  + ‘"‘ +
            //     ‘ wmode="transparent" play="true" loop="false" menu="false" allowscriptaccess="never" allowfullscreen="true" >‘ +
            // ‘</embed>‘;

            //换成video标签
            ‘<video‘ +
            ‘ src="http://www.mamicode.com/‘ + conUrl + ‘"‘ +
            ‘ width="‘ + 420 + ‘"‘ +
            ‘ height="‘ + 280 + ‘"‘ +
            ‘ autoplay‘ +
            ‘ controls="controls">‘
        ‘</video>‘;
    }