jsp笔记

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 String isUseCookie = request.getParameter("isUseCookie");

 if(isUseCookie!=null)
 {//isUseCookie.equals("on")
	String username=loginUser.getName();
    String password=loginUser.getPassword();
    username = URLEncoder.encode(username,"utf-8");
    password = URLEncoder.encode(password,"utf-8");
    Cookie c = new Cookie("username",username);
    Cookie p = new Cookie("password",password);
    c.setMaxAge(604800);//单位秒，7天后失效
    p.setMaxAge(604800);//单位秒，7天后失效
    response.addCookie(c);
    response.addCookie(p);
   
 }
 else
 {
	
	 Cookie[] cookies = request.getCookies();
	 boolean flag_name,flag_pwd;
	 flag_name=flag_pwd=false;
	 for (Cookie c:cookies)
	 {
		 if(flag_name==false && c.getName().equals("username"))
		 {
			 c.setMaxAge(0);
			 response.addCookie(c);
			 flag_name=true;
			 
		 }
		 if(flag_pwd==false&&c.getName().equals("password"))
		 {
			 c.setMaxAge(0);
			 response.addCookie(c);
			 flag_pwd=true;
		 }
		 if(flag_pwd==flag_name&&flag_name==true)
		 {
			 break;
		 }
	 }
 }
 %>

flush表示被包含的页面是否从缓冲中读取

jsp笔记

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原文地址：http://blog.csdn.net/lxz26192/article/details/51347358