引入插件：

 

/*     * 上传文件配置     * */    //配置uploader    var uploader = new plupload.Uploader({        runtimes: 'html5,flash,silverlight,html4',        browse_button : 'uploader',        url:'/delivery/batchSendByFile',        flash_swf_url : '../Moxie.swf',        silverlight_xap_url : '../Moxie.xap',        multi_selection:false,        filters: {            mime_types : [ //只允许上传xls和xlsx文件                { title : "xls files", extensions : "xls" },                { title : "xlsx files", extensions : "xlsx" }            ]        },        preinit: {            UploadFile: function (up) {                up.setOption('url', '/delivery/batchSendByFile');            }        }    });    uploader.bind('Error', function (uploader, errObject) {        var message = '';        //解除锁定        layer.closeAll('loading');        if (errObject.code === -600) {            message = '上传的文件太大';        } else if (errObject.code === -200) {            message = '由于网络原因,文件没有上传成功';        } else if (errObject.code === -601) {            message = '选择的文件类型不是xls或xlsx类型';        }        layer.msg('上传失败,错误原因:' + message,{end:function(){            layer.closeAll();        }});    });    //选中文件触发    uploader.bind('FilesAdded', function(uploader,files) {        var tipElement = $('#uploadBox').find('.J_side');        controller.uploadFlag = true;        for(var i = 0, len = files.length; i