php实现多城市切换特效

php实现多城市切换特效

我们先来看下个人常用的代码

PHP

<?php



include_once('./qqwry.php');
$QQWry=new QQWry; 
 
function get_real_ip(){
$ip=false;
if(!empty($_SERVER["HTTP_CLIENT_IP"])){
$ip = $_SERVER["HTTP_CLIENT_IP"];
}
if (!empty($_SERVER['HTTP_X_FORWARDED_FOR'])) {
$ips = explode (", ", $_SERVER['HTTP_X_FORWARDED_FOR']);
if ($ip) { array_unshift($ips, $ip); $ip = FALSE; }
for ($i = 0; $i < count($ips); $i++) {
if (!eregi ("^(10|172\.16|192\.168)\.", $ips[$i])) {
$ip = $ips[$i];
break;
}
}
}
return $ip;
}
 
function is_ip($str) {
  $ip = explode(".", $str);
  if (count($ip)<4 || count($ip)>4) return 0;
  foreach($ip as $ip_addr) {
    if ( !is_numeric($ip_addr) ) return 0;
    if ( $ip_addr<0 || $ip_addr>255 ) return 0;
  }
  return 1;
}
 
 
$ip=$_SERVER['REMOTE_ADDR']; 
$ifErr=$QQWry->QQWry($ip); 
$city = $QQWry->Country.$QQWry->Local;
 
//echo $city;*/
 
 
if (strpos($city,'玄武区')!==false){
  $city = "玄武区";
}
else if(strpos($city,'仙林')!==false){
  $city = "仙林";
}
else if(strpos($city,'秦淮区')!==false){
  $city = "秦淮区";
}
else if(strpos($city,'江宁')!==false){
  $city = "江宁";
}
else if(strpos($city,'鼓楼')!==false){
  $city = "鼓楼";
}
else{
  $city = "栖霞";
}



if (isset($_GET['chengshi'])) { //Ê×Ïȼì²âÊÇ·ñ»ñµÃÁË GET ´«µÝµÄÊý¾Ý  
setcookie("cookie_city",$_GET['chengshi'],time()+3600*24);
$city = $_GET['chengshi']; 
} 
else if (isset($_COOKIE["cookie_city"])) { //¼ì²âÊÇ·ñ´æÔÚêdzÆCookie  
$city = $_COOKIE["cookie_city"]; //ÏÔʾCookie±£´æµÄÊý¾Ý 
} 
else {  
setcookie("cookie_city",$city,time()+3600*24); //´¿³õʼ»¯´Ë±äÁ¿ 
$_COOKIE["cookie_city"] = $city;
} 
?>

HTML