Java如何在Servlet中获取客户端IP和主机名?
package org.nhooo.example.servlet; import javax.servlet.ServletException; import javax.servlet.http.HttpServlet; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import java.io.IOException; import java.io.PrintWriter; public class ClientAddressServlet extends HttpServlet { protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { //获取客户的IP地址 String clientIP = request.getRemoteAddr(); //获取客户的主机名 String clintHost = request.getRemoteHost(); response.setContentType("text/plain"); PrintWriter out = response.getWriter(); out.println("IP : " + clientIP); out.println("Host: " + clintHost); } protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { doPost(request, response); } }