拼接img标签src

"data": function (e) {
                    if (e.packageThumbUrl != null && e.packageThumbUrl != "") {
                        var imgurl= "http://47.100.245.18"+e.packageThumbUrl;
                        return '<img src="'+imgurl+'" id="lastImgUrl"></img>';
                    } else {
                        return '暂无';
                    }
                }, "class": "packageThumbUrl", "name": "packageThumbUrl"