如何在jsp中读取客户端的ip地址？？？？（急）

将下列内容保存为一jsp文件可以得到一些你想要的！ 
<% 
out.println("Protocol:"+request.getProtocol()+"<br/>"); 
out.println("Scheme:"+request.getScheme()+"<br/>"); 
out.println("Server name:"+request.getServerName()+"<br/>"); 
out.println("Server Port:"+request.getServerPort()+"<br/>"); 
out.println("Remote Addr:"+request.getRemoteAddr()+"<br/>"); 
out.println("Remote Host:"+request.getRemoteHost()+"<br/>"); 
out.println("Character Encoding:"+request.getCharacterEncoding()+"<br/>"); 
out.println("Content Length:"+request.getContentLength()+"<br/>"); 
out.println("Content Type:"+request.getContentType()+"<br/>"); 
out.println("Auth Type:"+request.getAuthType()+"<br/>"); 
out.println("HTTP Method:"+request.getMethod()+"<br/>"); 
out.println("Path info:"+request.getPathInfo()+"<br/>"); 
out.println("Path Trans:"+request.getPathTranslated()+"<br/>"); 
out.println("Query String:"+request.getQueryString()+"<br/>"); 
out.println("Remote User:"+request.getRemoteUser()+"<br/>"); 
out.println("Servlet Path:"+request.getServletPath()+"<br/>"); 
out.println("Accept:"+request.getHeader("Accept")+"<br/>"); 
out.println("Host:"+request.getHeader("Host")+"<br/>"); 
out.println("Referer:"+request.getHeader("Referer")+"<br/>"); 
out.println("Accept-Language:"+request.getHeader("Accept-Encoding")+"<br/>"); 
out.println("User-Agent:"+request.getHeader("User-Agent")+"<br/>"); 
out.println("Connection:"+request.getHeader("Connection")+"<br/>"); 
out.println("Cookie:"+request.getHeader("Cookie")+"<br/>"); 
out.println("Creatre:"+session.getCreationTime()+"<br/>"); 
out.println("LastAccessed:"+session.getLastAccessedTime()+"<br/>"); 
%>