这篇文章主要介绍了JavaWeb中Refresh响应头代码的案例,具有一定借鉴价值,感兴趣的朋友可以参考下,希望大家阅读完这篇文章之后大有收获,下面让小编带着大家一起了解一下。
一.Refresh响应头:可以理解为定时的重定向,在指定的时间后发生页面的跳转
二.代码示例:
package cn.xxx.Servlet;
import java.io.IOException;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
public class DServlet extends HttpServlet {
protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
response.getWriter().print("xxxx");
//3秒之后跳转到/Demo01/EServlet
response.setHeader("refresh", "3;URL=/Demo01/EServlet");
}
}
package cn.xxx.Servlet;
import java.io.IOException;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
public class EServlet extends HttpServlet {
protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
response.getWriter().print("XXX");
}
}
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