📄 greetservlet.java
字号:
package org.sunxin.lesson.jsp.ch09;
import javax.servlet.*;
import java.io.*;
import javax.servlet.http.*;
public class GreetServlet extends HttpServlet
{
public void doGet(HttpServletRequest req, HttpServletResponse resp)
throws ServletException,IOException
{ HttpSession session=req.getSession();
String user=(String)session.getAttribute("user");
if(null==user)
{
resp.sendRedirect("login");
}
else
{
resp.setContentType("text/html;charset=gb2312");
PrintWriter out=resp.getWriter();
out.println("<html><head><title>欢迎页面</title></head>");
out.println("<body>");
OutputSessionInfo.printSessionInfo(out,session);
out.println("<p>");
out.println("欢迎你，"+user+"<p>");
out.println("<a href="+resp.encodeURL("login")+">重新登录</a>");
out.println("<a href="+resp.encodeURL("logout")+">注销</a>");
out.println("</body></html>");
out.close();
}
}
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