php实现多城市切换特效

 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; } ?>

       
 
 
 
 
 
玄武区
 
仙林
 
秦淮区
 
鼓楼
 
江宁
 
栖霞区
 
 
 
全部
 
 
 
 
 
 
全部小区
 
  
 
切换城市
 
 
 
 
 
   

 $useripNum || $userip2num<$useripNum) { $Middle= intval(($EndNum + $BeginNum) / 2); //偏移指针到索引位置读取4个字节 fseek($fd, $useripbegin + 7 * $Middle); $useripData1 = fread($fd, 4); if(strlen($useripData1) < 4) { fclose($fd); return 'File Error'; } //提取出来的数据转换成长整形，如果数据是负数则加上2的32次幂 $userip1num = implode('', unpack('L', $useripData1)); if($userip1num < 0) $userip1num += pow(2, 32); //提取的长整型数大于我们IP地址则修改结束位置进行下一次循环 if($userip1num > $useripNum) { $EndNum = $Middle; continue; } //取完上一个索引后取下一个索引 $DataSeek = fread($fd, 3); if(strlen($DataSeek) < 3) { fclose($fd); return 'File Error'; } $DataSeek = implode('', unpack('L', $DataSeek.chr(0))); fseek($fd, $DataSeek); $useripData2 = fread($fd, 4); if(strlen($useripData2) < 4) { fclose($fd); return 'File Error'; } $userip2num = implode('', unpack('L', $useripData2)); if($userip2num < 0) $userip2num += pow(2, 32); //找不到IP地址对应城市 if($userip2num < $useripNum) { if($Middle == $BeginNum) { fclose($fd); return 'No Data'; } $BeginNum = $Middle; } } $useripFlag = fread($fd, 1); if($useripFlag == chr(1)) { $useripSeek = fread($fd, 3); if(strlen($useripSeek) < 3) { fclose($fd); return 'System Error'; } $useripSeek = implode('', unpack('L', $useripSeek.chr(0))); fseek($fd, $useripSeek); $useripFlag = fread($fd, 1); } if($useripFlag == chr(2)) { $AddrSeek = fread($fd, 3); if(strlen($AddrSeek) < 3) { fclose($fd); return 'System Error'; } $useripFlag = fread($fd, 1); if($useripFlag == chr(2)) { $AddrSeek2 = fread($fd, 3); if(strlen($AddrSeek2) < 3) { fclose($fd); return 'System Error'; } $AddrSeek2 = implode('', unpack('L', $AddrSeek2.chr(0))); fseek($fd, $AddrSeek2); } else { fseek($fd, -1, SEEK_CUR); } while(($char = fread($fd, 1)) != chr(0)) $useripAddr2 .= $char; $AddrSeek = implode('', unpack('L', $AddrSeek.chr(0))); fseek($fd, $AddrSeek); while(($char = fread($fd, 1)) != chr(0)) $useripAddr1 .= $char; } else { fseek($fd, -1, SEEK_CUR); while(($char = fread($fd, 1)) != chr(0)) $useripAddr1 .= $char; $useripFlag = fread($fd, 1); if($useripFlag == chr(2)) { $AddrSeek2 = fread($fd, 3); if(strlen($AddrSeek2) < 3) { fclose($fd); return 'System Error'; } $AddrSeek2 = implode('', unpack('L', $AddrSeek2.chr(0))); fseek($fd, $AddrSeek2); } else { fseek($fd, -1, SEEK_CUR); } while(($char = fread($fd, 1)) != chr(0)){ $useripAddr2 .= $char; } } fclose($fd); //返回IP地址对应的城市结果 if(preg_match('/http/i', $useripAddr2)) { $useripAddr2 = ''; } $useripaddr = "$useripAddr1 $useripAddr2"; $useripaddr = preg_replace('/CZ88.Net/is', '', $useripaddr); $useripaddr = preg_replace('/^s*/is', '', $useripaddr); $useripaddr = preg_replace('/s*$/is', '', $useripaddr); if(preg_match('/http/i', $useripaddr) || $useripaddr == '') { $useripaddr = 'No Data'; } return $useripaddr; } ?>

 //根据IP地址跳转指定页面js取得城市 var city=''; //根据IP地址所有城市跳转到指定页面 if(city.indexOf("上海市")>=0){ window.location.href="http://shanghai.demo.com/"; }