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揭秘Java配置者必备手段:爽朗取得用户IP地址!


发布日期:2024-10-31 10:49    点击次数:183


思要让你的网站更具智能化?那么学会若何用Java取得登拜托户的IP地址就尽头遑急了!在这篇著述中,要取得登拜托户的IP地址,不错使用Java Servlet API中的HttpServletRequest对象。以下是一个浅易的示例:

最初,创建一个名为GetUserIPServlet的Servlet类,接管自HttpServlet类。

import java.io.IOException;import javax.servlet.ServletException;import javax.servlet.annotation.WebServlet;import javax.servlet.http.HttpServlet;import javax.servlet.http.HttpServletRequest;import javax.servlet.http.HttpServletResponse;@WebServlet("/GetUserIPServlet")public class GetUserIPServlet extends HttpServlet { private static final long serialVersionUID = 1L; protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { // 取得客户端IP地址的才调 getClientIpAddress(request); } private void getClientIpAddress(HttpServletRequest request) { String ipAddress = request.getHeader("X-Forwarded-For"); if (ipAddress == null