php定位並且擷取天氣資訊

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 1 header("Content-type: text/html; charset=utf-8"); 2 class getWeather{ 3     private $ak; 4      5     public function __construct($ak){ 6         if($ak){ 7             $this->ak=$ak; 8         } else { 9             die(‘參數錯誤‘);exit;10         }11         12     }13     14     /**15      * 擷取城市名稱16      * @param string $ip ip地址(必須為有效ip)17      * return string $city  城市名稱，如武漢18     */19     public function getCity($ip=‘‘){20         if(!$ip){21             $ip=$this->get_client_ip();22         }23         $ak=$this->ak;24         $content = file_get_contents("http://api.map.baidu.com/location/ip?ak=$ak&ip=$ip&coor=bd09ll");25         $json = json_decode($content,true);26         $address=$json[‘address‘];27         $cityarr=explode("|", $address);28         $city=$cityarr[‘2‘];//不帶"市",如"武漢",而不是"武漢市"29         return $city;30     }31     32     /**33      * 擷取天氣預報資訊34      * @param string $city  城市名稱，如武漢35      * return array $data 天氣資訊 36     */37     public function weatherInfo($city=‘‘){38         if(!$city){39             $city=$this->getCity();40         }41         $content1=urlencode(mb_convert_encoding($city, ‘gb2312‘, ‘utf-8‘)); 42         $weather=file_get_contents("http://php.weather.sina.com.cn/xml.php?city=$content1&password=DJOYnieT8234jlsK&day=0");43         $ob= simplexml_load_string($weather);44         $json  = json_encode($ob);45         $data = json_decode($json, true);46         return $data;47     }48     /**49     *擷取ip50     */51     public function get_client_ip(){52         if (getenv("HTTP_CLIENT_IP") && strcasecmp(getenv("HTTP_CLIENT_IP"), "unknown")){53             $ip = getenv("HTTP_CLIENT_IP");54         }else if (getenv("HTTP_X_FORWARDED_FOR") && strcasecmp(getenv("HTTP_X_FORWARDED_FOR"), "unknown")){55             $ip = getenv("HTTP_X_FORWARDED_FOR");56         }else if (getenv("REMOTE_ADDR") && strcasecmp(getenv("REMOTE_ADDR"), "unknown"))57             $ip = getenv("REMOTE_ADDR");58         else if (isset($_SERVER[‘REMOTE_ADDR‘]) && $_SERVER[‘REMOTE_ADDR‘] && strcasecmp($_SERVER[‘REMOTE_ADDR‘], "unknown"))59             $ip = $_SERVER[‘REMOTE_ADDR‘];60         else61             $ip = "unknown";62         return($ip);63     }64 }65 $baiduak=‘你的密鑰‘;//百度地圖api的密鑰66 $wea=new getWeather($baiduak);67 $json=$wea->weatherInfo();68 print_r($json);exit;

 

php定位並且擷取天氣資訊