jsp 取得当前url以及url参数

jsp 获得当前url以及url参数

//获得当前url
??StringBuffer url = new StringBuffer(request.getScheme() + "://" + request.getServerName()
????+ request.getRequestURI());

//判断当前url是否有参数
??if(request.getQueryString()!=null && !"".equals(request.getQueryString())){
??????? ?url.append("?" + request.getQueryString());
? }

?

?

?//获得当前url
StringBuffer url = new StringBuffer("http://"+request.getServerName()+":"+request.getServerPort()+request.getContextPath()+request.getServletPath());
//判断当前url是否有参数
 ?if(request.getQueryString()!=null && !"".equals(request.getQueryString())){
 ? ? ? ? url.append("?" + request.getQueryString());
 ?}