java獲取客服端信息的方法(系統，瀏覽器等)

如下所示：

 String agent = request.getHeader("user-agent"); System.out.println(agent); StringTokenizer st = new StringTokenizer(agent,";"); st.nextToken(); String userbrowser = st.nextToken(); System.out.println(userbrowser); String useros = st.nextToken(); System.out.println(useros); System.out.println(System.getProperty("os.name")); //win2003竟然是win xp？ System.out.println(System.getProperty("os.version")); System.out.println(System.getProperty("os.arch")); System.out.println(request.getHeader("user-agent")); //返回客戶端瀏覽器的版本號、類型System.out.println(request.getMethod()); //：獲得客戶端向服務器端傳送數據的方法有get、post、put等類型System.out.println(request.getRequestURI()); //：獲得發出請求字符串的客戶端地址System.out.println(request.getServletPath()); //：獲得客戶端所請求的腳本文件的文件路徑System.out.println(request.getServerName()); //：獲得服務器的名字System.out.println(request.getServerPort()); //：獲得服務器的端口號System.out.println(request.getRemoteAddr()); //：獲得客戶端的ip地址System.out.println(request.getRemoteHost()); //：獲得客戶端電腦的名字，若失敗，則返回客戶端電腦的ip地址System.out.println(request.getProtocol()); //： System.out.println(request.getHeaderNames()); //：返回所有request header的名字，結果集是一個enumeration（枚舉）類的實例System.out.println("Protocol: " + request.getProtocol()); System.out.println("Scheme: " + request.getScheme()); System.out.println("Server Name: " + request.getServerName() ); System.out.println("Server Port: " + request.getServerPort()); System.out.println("Protocol: " + request.getProtocol()); System.out.println("Server Info: " + getServletConfig().getServletContext().getServerInfo()); System.out.println("Remote Addr: " + request.getRemoteAddr()); System.out.println("Remote Host: " + request.getRemoteHost()); System.out.println("Character Encoding: " + request.getCharacterEncoding()); System.out.println("Content Length: " + request.getContentLength()); System.out.println("Content Type: "+ request.getContentType()); System.out.println("Auth Type: " + request.getAuthType()); System.out.println("HTTP Method: " + request.getMethod()); System.out.println("Path Info: " + request.getPathInfo()); System.out.println("Path Trans: " + request.getPathTranslated()); System.out.println("Query String: " + request.getQueryString()); System.out.println("Remote User: " + request.getRemoteUser()); System.out.println("Session Id: " + request.getRequestedSessionId()); System.out.println("Request URI: " + request.getRequestURI()); System.out.println("Servlet Path: " + request.getServletPath()); System.out.println("Accept: " + request.getHeader("Accept")); System.out.println("Host: " + request.getHeader("Host")); System.out.println("Referer : " + request.getHeader("Referer")); System.out.println("Accept-Language : " + request.getHeader("Accept-Language")); System.out.println("Accept-Encoding : " + request.getHeader("Accept-Encoding")); System.out.println("User-Agent : " + request.getHeader("User-Agent")); System.out.println("Connection : " + request.getHeader("Connection")); System.out.println("Cookie : " + request.getHeader("Cookie"));

獲得user-agent的值

在ASP.NET 中使用Request.Header["User-Agent"] 得到瀏覽器的User Agent，也可以使用Request.UserAgent 來獲取；

Java 中使用request.getHeader(”User-Agent”) 來獲得；

PHP 中相應使用：$_SERVER[HTTP_USER_AGENT]；

JS中則使用navigator.userAgent來獲得（客戶端經常使用它來做瀏覽器兼容）。

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