利用php怎么实现一个多城市切换特效？针对这个问题，这篇文章详细介绍了相对应的分析和解答，希望可以帮助更多想解决这个问题的小伙伴找到更简单易行的方法。
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
<!DOCTYPE html>
<html lang="zh-cn">
<head>
<meta charset="utf-8"/>
<LINK href="css/css.css" type=text/css rel=stylesheet>
<SCRIPT src="js/jquery-1.4.2.min.js" type=text/javascript></SCRIPT>
<title>城市切换</title>
</head>
<BODY>
<DIV class=selCity id=allCity >
<DIV class=area>
<TABLE>
<TBODY>
<TR>
<TD><A class=cur href="show.html">玄武区</A></TD>
<TD><A href="show1.html">仙林</A></TD>
<TD><A href="show2.html">秦淮区</A></TD>
<TD><A href="show3.html">鼓楼</A></TD>
<TD><A href="show4.html">江宁</A></TD>
<TD><A href="show5.html">栖霞区</A></TD>
</TR>
</TBODY></TABLE>
<DIV class=none><A id=foldin href="javascript:;">全部</A></DIV></DIV></DIV>
<DIV class=header>
<DIV class=area>
<DIV class=r>
<DIV class="topCtiy clear">
<UL>
<LI class=i1><A href="index.php">全部小区</A></LI>
<LI class=i1>
<?php
echo $city;
?>
</LI>
<LI class=i2 id=changeCity>切换城市</LI>
</UL>
</DIV>
</DIV>
</DIV>
</DIV>
<SCRIPT type=text/javascript>
jQuery(function(){
$("#changeCity").click(function(a){
$("#allCity").slideDown(300);
a.stopPropagation();
$(this).blur();
});
$("#allCity").click(function(a){
a.stopPropagation()
});
$(document).click(function(a){
a.button!=2 && $("#allCity").slideUp(300)
});
$("#foldin").click(function(){
$("#allCity").slideUp(300)
});
});
</SCRIPT>
</body>
</html>另外附上网友的实现方法：
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