package com.hr.Servlet; import java.io.IOException; import java.io.PrintWriter; import javax.servlet.ServletException; import javax.servlet.http.HttpServlet; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import javax.servlet.http.HttpSession; public class CheckUserNumServlet extends HttpServlet { @Override protected void service(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException { String num =req.getParameter("num"); HttpSession session = req.getSession(); String sysCode = (String)session.getAttribute("syscode"); PrintWriter out = resp.getWriter(); if(sysCode.equals(num)){ out.print("true"); }else { out.print("false"); } out.close(); } }