<?php
header("Content-type:text/html;charset=utf-8;");
//測(cè)試
echo get_user_os();
//Windows操作系統(tǒng)
function get_user_os(){
??? //獲取用戶瀏覽信息參數(shù)
??? $agent = $_SERVER['HTTP_USER_AGENT'];
??? ?
??? //獲取操作系統(tǒng)類型
??? if(strpos($agent,"NT 6.1")){
??????? $os_name ="Windows 7"; ?
??? } elseif(strpos($agent,"NT 5.1")) { ?
?????? $os_name ="Windows XP (SP2)"; ?
??? } elseif(strpos($agent,"NT 5.2") && strpos($agent,"WOW64")){ ?
?????? $os_name ="Windows XP 64-bit Edition"; ?
??? } elseif(strpos($agent,"NT 5.2")) {
??????? $os_name ="Windows 2003"; ?
??? } elseif(strpos($agent,"NT 6.0")) {
??????? $os_name ="Windows Vista"; ?
??? } elseif(strpos($agent,"NT 5.0")) {
????? $os_name ="Windows 2000"; ?
??? } elseif(strpos($agent,"4.9")) {
?????? $os_name ="Windows ME";
??? } elseif(strpos($agent,"NT 4")) {
?????? $os_name ="Windows NT 4.0";
??? } elseif(strpos($agent,"98")) {
????? $os_name ="Windows 98";
??? } elseif(strpos($agent,"95")) {
??????? $os_name ="Windows 95";
??? }elseif(strpos($agent,"Linux")) { ?
??????? $os_name ="Linux";
??? }

?? //判斷
??? if(strpos($os_name,"Linux")!==false){
??????? $os_str="Linux操作系統(tǒng)";
??? }else if(strpos($os_name,"Windows")!==false){
??????? $os_str="Windows操作系統(tǒng)";
??? }else{
??????? $os_str="未知操作系統(tǒng)";
??? }
??? return $os_str;?
}