JSP中获取各种路径的方法

<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";

out.println("basePath:"+basePath);
out.println("
");
out.println("getContextPath:"+request.getContextPath());
out.println("
");
out.println("getServletPath:"+request.getServletPath());
out.println("
");
out.println("getRequestURI:"+request.getRequestURI());
out.println("
");
out.println("getRequestURL:"+request.getRequestURL());
out.println("
");
out.println("getRealPath:"+request.getRealPath("/"));
out.println("
");
out.println("getServletContext().getRealPath:"+getServletContext().getRealPath("/"));
out.println("
");
out.println("getQueryString:"+request.getQueryString());
%>