我有一个锚点,我希望它被链接到一个LogoutServlet,以便它将销毁会话并将其重定向回登录页面。使用<a href>链接到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);
}
}
标签
<a href="/Assignment/LogoutServlet" accesskey="1" title="">Logout</a>
这是实现正确的方式?我用这个,但它没有将我重定向到Login.html。
工作得很好。感谢您的知识!我对servlet编程相当陌生。所以请原谅我。 – melvg
我们是否需要在''contextPath/url-pattern“'这样的链接值内包含上下文路径,当我尝试一个带有''url-pattern''的href时抛出** status 400 **错误,地址栏将没有contextpath:localhost:8080/url-pattern。 –