我有一個錨點,我希望它被鏈接到一個LogoutServlet,以便它將銷燬會話並將其重定向回登錄頁面。使用<a href>鏈接到servlet
LogoutServlet.java
package pkg;
import java.io.IOException;
import javax.servlet.RequestDispatcher;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
/**
* Servlet implementation class LogoutServlet
*/
public class LogoutServlet extends HttpServlet {
private static final long serialVersionUID = 1L;
/**
* @see HttpServlet#HttpServlet()
*/
public LogoutServlet() {
super();
// TODO Auto-generated constructor stub
}
/**
* @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response)
*/
protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
// TODO Auto-generated method stub
}
/**
* @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)
*/
protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
// TODO Auto-generated method stub
response.setHeader("Cache-Control", "no-cache, no-store");
response.setHeader("Pragma", "no-cache");
request.getSession().invalidate();
RequestDispatcher rd = request.getRequestDispatcher("Login.html");
rd.forward(request, response);
}
}
標籤
<a href="/Assignment/LogoutServlet" accesskey="1" title="">Logout</a>
這是實現正確的方式?我用這個,但它沒有將我重定向到Login.html。
工作得很好。感謝您的知識!我對servlet編程相當陌生。所以請原諒我。 – melvg
我們是否需要在''contextPath/url-pattern「'這樣的鏈接值內包含上下文路徑,當我嘗試一個帶有''url-pattern''的href時拋出** status 400 **錯誤,地址欄將沒有contextpath:localhost:8080/url-pattern。 –