• Servlet实现定时刷新到另外一个页面response.setHeader("refresh", "3;url=/...")


    想要实现,访问Responsedemo11的时候,3秒钟后,跳转到ResponseDemo10

    用   response.setHeader("refresh", "3;url=/ResponseDemo/ResponseDemo10");   实现。  这个refresh是使用get方式跳转,url中可以携带参数和数据。

    ResponseDemo11代码:

    package chensi.com;
    
    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;
    
    /**
     * Servlet 实现3秒钟后跳转到另外一个页面 
     */
    @WebServlet("/ResponseDemo11")
    public class ResponseDemo11 extends HttpServlet {
        private static final long serialVersionUID = 1L;
           
        protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
            response.setContentType("text/html;charset=UTF-8");
            response.getWriter().write("进入了demo11,接下来3秒钟后进入demo10");
            response.setHeader("refresh", "3;url=/ResponseDemo/ResponseDemo10");
        }
    
        protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
            // TODO Auto-generated method stub
            doGet(request, response);
        }
    
    }

    ResponseDemo10(跳转后的页面)的代码:

    package chensi.com;
    
    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;
    
    /**
     * Servlet 这个是用来被跳转的页面
     */
    @WebServlet("/ResponseDemo10")
    public class ResponseDemo10 extends HttpServlet {
        private static final long serialVersionUID = 1L;
           
    
        protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
            response.setContentType("text/html;charset=UTF-8");
            response.getWriter().write("这个是被跳转后的页面       new page");
        }
    
        /**
         * @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)
         */
        protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
            // TODO Auto-generated method stub
            doGet(request, response);
        }
    
    }
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  • 原文地址:https://www.cnblogs.com/zhanghaoliang/p/5620674.html
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