HTTP---Response information case one: Implement request redirection (equivalent to hyperlink jump page)
Implementation jumps from the current page to the "/day08_web/testparam.html" page
Implementation of the main program: Demo_response2.java
Package Response;
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;
* * Case one: Request redirection (equivalent to hyperlink jump page)/
public
class Demo_response2 extends HttpServlet {public
void doget ( HttpServletRequest request, HttpServletResponse response)
throws Servletexception, IOException {
* * * Requirements: Jump to adv.html
* Use request redirection: Send a 302 status Code +location response head *
*
// Response.setstatus (302); Response.setheader ("Location", "/day08_web/testparam.html");
A simplified way of requesting redirection (equivalent to two steps above)
Response.sendredirect ("/day08_web/testparam.html");
}
public void DoPost (HttpServletRequest request, httpservletresponse response)
throws Servletexception, IOException {
}
}