如何获取客户端IP、操作系统、浏览器

来源：互联网发布：大数据运营平台编辑：程序博客网时间：2024/05/17 07:10

request.getRemoteAddr();//获取IP

request.getHeader("User-Agent");//获取操作系统信息、浏览器信息。

 1     protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { 2 //        response.sendError(404, "不给看");//设置状态码 3 //        response.setHeader("Location", "/Servlet/BServlet");//重定向 4 //        response.sendError(302); 5         request.setCharacterEncoding("utf-8"); 6         response.setContentType("text/html;charset=utf-8"); 7          8 //        PrintWriter p = response.getWriter(); 9 //        p.write("5秒钟后自动跳转！");10 //        response.setHeader("refresh", "5;url=/Servlet/BServlet");//定时器11         System.out.println(request.getRemoteAddr());12         String userAgent =request.getHeader("User-Agent");13         if(userAgent.toLowerCase().contains("firefox")){14             System.out.println("火狐");15         }else if(userAgent.toLowerCase().contains("chrome")){16             System.out.println("谷歌");17         }else if(userAgent.toLowerCase().contains("msie")){18             System.out.println("ie");19         }20         21     }

0 0