版权声明:版权声明:本文为博主原创文章,未经博主允许不得转载。 https://blog.csdn.net/tanhongwei1994/article/details/88126682
StringBuffer url = request.getRequestURL();
if (request.getQueryString() != null) {
url.append("?");
url.append(request.getQueryString());
}