SunLe'Blog---孙乐

第一个：

if($HTTP_HOST=="www.moon-soft.com"){
Header("Location: moon.htm");
}
elseif($HTTP_HOST=="www.williamlong.info"){
Header("Location: williamlong.htm");
}
else{
Header("Location: other.htm");
}

第二个：

if($HTTP_HOST=="www.moon-soft.com"){
require "moon.htm";
}
elseif($HTTP_HOST=="www.williamlong.info"){
require "williamlong.htm";
}
else{
require "other.htm";
}