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jsp 利用cookie 记住用户名和密码

2007-08-21 14:27 337 查看



<%...@page contentType="text/html; charset=GBK" language="java" import="java.sql.*" errorPage="" %>


<html>


<head>


<meta http-equiv="Content-Type" content="text/html; charset=GBK" />


<title>jsp 利用cookie 记住用户名和密码</title>


</head>




<%...


if(request.getParameter("send")!=null)


{




Cookie cookie=new Cookie(request.getParameter("userno"), request.getParameter("password"));


cookie.setMaxAge(360*24*60*60);


response.addCookie(cookie);




}


Cookie cookies[]=request.getCookies();


Cookie sCookie=null;


String svalue=null;


String sname=null;


%>




<script language="javascript">...


var UserNo=new Array(); UserNo[0]="";


var Password=new Array(); Password[0]="";


</script>




<%...


for(int i=0;i<cookies.length;i++){


sCookie=cookies[i];


%>




<script language="javascript">...


UserNo[<%=i%>]="<%=sCookie.getName()%>";


Password[<%=i%>]="<%=sCookie.getValue()%>";


</script>




<%...


out.print(sCookie.getName()+" "+sCookie.getValue()+"</br>");


}


%>


<body>


<form id="form1" name="form1" method="post" action="">


<p>


<input type="text" name="userno" />


<input type="submit" name="send" value="s" />


</p>


<p>


<input type="text" name="password" onclick="return oUserNo_onchange()"/>


</p>


</form>


</body>


</html>




<SCRIPT language=javascript>...




function oUserNo_onchange()...{


for(i=0;i<UserNo.length;i++)


if(form1.userno.value==UserNo[i])


form1.password.value=Password[i];


}


</script>

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