<%
Cookie[] cookies = request.getCookies();
for (int i = 0; i < cookies.length; i++) {
Cookie c = cookies[i];
if(c.getName().equals("username")==null)
{
//String aa=c.getValue();
//out.print(aa);
%>
<script language="javascript">window.alert("你没有登录!");window.location.href="login.jsp";</script>
<%
}
}
%>上面写法有点错误,请大家指点一下..
Cookie[] cookies = request.getCookies();
for (int i = 0; i < cookies.length; i++) {
Cookie c = cookies[i];
if(c.getName().equals("username")==null)
{
//String aa=c.getValue();
//out.print(aa);
%>
<script language="javascript">window.alert("你没有登录!");window.location.href="login.jsp";</script>
<%
}
}
%>上面写法有点错误,请大家指点一下..
或者if(c.getName()==null)?
cookie是在客服端建立的.
需要从服务器中得到客服端的值再传入到客服端.
之后才能再次调用.
你用request获得请求参数就行了.
再放入cookie中去.