就是js判断访问域名的主域名是不是某个域名,不然就跳转
<script>
try
{
if(self.location == "http://apple.ya37.com/")
{
top.location.href = "http://ya37.com/apple/";
}
else if(self.location == "http://girl.ya37.com/")
{
top.location.href = "http://ya37.com/girl/";
}
else if(self.location == "http://simple.ya37.com/")
{
top.location.href = "http://ya37.com/simple/";
}
else {document.write ("错误的访问地址")}
}
catch(e){ }
</script>
看明白了吧,如果访问者输入的域名是"http://apple.ya37.com/"的话,就访问"http://ya37.com/apple/"。
用indexOf判断
if(location.toString().indexOf("abc.com") <= -1) /*如果当前网址中没有abc.com*/
{
document.location.href="/b.htm"; /*跳转到b.htm*/
}
else
{
document.location.href="/a.htm"; /*有的话,跳转到a.htm*/ }