退出系统须采取的方法
退出系统的jsp:
<%@ page language="java" pageEncoding="UTF-8"%>
<%@ taglib uri="http://struts.apache.org/tags-bean" prefix="bean"%>
<%@ taglib uri="http://struts.apache.org/tags-html" prefix="html"%>
<%@ taglib uri="http://struts.apache.org/tags-logic" prefix="logic"%>
<%@ taglib uri="http://struts.apache.org/tags-tiles" prefix="tiles"%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html:html lang="true">
<head>
<html:base />
<title>allsuccess.jsp</title>
</head>
<body>
<form action="leave.do">
<input type="submit" value="退出系统" name="submit">
</form>
<br>
<br> Operation Success !
</body>
</html:html>
LeaveAction:
public class LeaveAction extends Action
{
public ActionForward execute(ActionMapping mapping, ActionForm form,
HttpServletRequest request, HttpServletResponse response)
{
request.getSession().invalidate();//清除Session中的所有对象，注销必须采用
System.out.println(request.getSession().getValue("user"));//测试对象是否被清除。应该返回值null
System.out.println(request.getSession().getValue("fcompanyId"));//测试对象是否被清楚，返回null
System.out.println("----------------------------------------");
return mapping.findForward("leave");
}
}
