欢迎您访问程序员文章站本站旨在为大家提供分享程序员计算机编程知识!
您现在的位置是: 首页  >  php教程

php调用yahoo sina api 开发天气预报

程序员文章站 2022-05-21 17:30:53
...
现在的网站都会有一些服务性的东东。如日历,天气预报等等!由于google 永久性关闭了天气api 所以我又找了一个调用yahoo 和 新浪的天气预报 api。

yahoo 天气预报地址 http://developer.yahoo.com/weather/

废话不多说直接代码贴上:

 0) {
		   return true;			
	   }	   
	  }        
          //获取woeid
          $woeid    =   self::getWOEID();	  
          self::$url    = self::$url . $woeid[0];
          //获取当天 天气
          $XML  = self::vget(self::$url);     
          //保存当天 天气到文件
          self::cacheXML($XML);
          
          self::analysisXML($XML);
	}  
        
        static public function analysisXML($simple) {    
            
                $p = xml_parser_create();
                
                xml_parse_into_struct($p, $simple, $vals, $index);
                
                xml_parser_free($p);               
                
                //本周天气
                $weekindex  =   $index['YWEATHER:FORECAST'];
                $week       =   array();
                foreach($weekindex as $k=>$v){
                    $week[$k]   =  $vals[$v]['attributes']; 
                }
                unset($index);
                unset($vals);
                print_r($week);
               /*
                
                * day 星期
                * date 日期
                * low 最低温度
                * high 最高温度
                * test 天气状态 
                * code 天气图标
                */
        }
        /*
         * 取得地区WOEID码
         */        
        static private function getWOEID(){            
            static $woeid  =   array();
            
            if(isset($woeid[self::$city])){
                return $woeid[self::$city];
            }
            
            if (file_exists( self::$file_path . self::$woeid_file )) {
                $woeidSTR =    file_get_contents(self::$file_path . self::$woeid_file);                
                $woeid  =   json_decode($woeidSTR , true);                
                if(isset($woeid[self::$city])){
                    return $woeid[self::$city];
                }
            }
            $geoPlaces    =   "http://query.yahooapis.com/v1/public/yql?q=select%20woeid%20from%20geo.places%20where%20text='".self::$city."%20CH'";  
            
            $XML    =   simplexml_load_file( $geoPlaces );           

            if(isset($XML->results->place[0])){
                $rs = $woeid[self::$city] =   $XML->results->place[0]->woeid;
                //保存到文件
                $woeidSTR   =  json_encode($woeid);
                file_put_contents(self::$file_path . self::$woeid_file, $woeidSTR);                
                return $rs;                
            }else{
                //如果找不到城市 woeid 默认城市就改为 北京
                self::$city =    "Beijing";
                
                return self::getWOEID();
            }            
        }
	/**
	  * 创建xml缓存
	  * @param $contents 要缓存的内容
	  */
	static private function cacheXML($contents) {
		$contents = str_ireplace ( '', " \n", $contents );
		$contents = mb_convert_encoding ( $contents, 'utf-8', 'gbk' );
		file_put_contents ( self::$weatherXML, $contents ) or die ( '没有写权限' );
	}
        /**
         * 模拟获取内容函数
         * @param type $url
         * @return type
         */
         
        static private function vget($url) { 
       $user_agent = "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.2; .NET CLR 1.1.4322)"; $curl = curl_init (); // 启动一个CURL会话 curl_setopt ( $curl, CURLOPT_URL, $url ); // 要访问的地址 curl_setopt ( $curl, CURLOPT_SSL_VERIFYPEER, 0 ); // 对认证证书来源的检查 curl_setopt ( $curl, CURLOPT_SSL_VERIFYHOST, 1 ); // 从证书中检查SSL加密算法是否存在 curl_setopt ( $curl, CURLOPT_USERAGENT, $user_agent ); // 模拟用户使用的浏览器 @curl_setopt ( $curl, CURLOPT_FOLLOWLOCATION, 1 ); // 使用自动跳转 curl_setopt ( $curl, CURLOPT_AUTOREFERER, 1 ); // 自动设置Referer curl_setopt ( $curl, CURLOPT_HTTPGET, 1 ); // 发送一个常规的Post请求 curl_setopt ( $curl, CURLOPT_TIMEOUT, 120 ); // 设置超时限制防止死循环 curl_setopt ( $curl, CURLOPT_HEADER, 0 ); // 显示返回的Header区域内容 curl_setopt ( $curl, CURLOPT_RETURNTRANSFER, 1 ); // 获取的信息以文件流的形式返回 $tmpInfo = curl_exec ( $curl ); // 执行操作 if (curl_errno ( $curl )) { curl_close ( $curl ); // 关闭CURL会话 die('Errno' . curl_error ( $curl )) ; } curl_close ( $curl ); // 关闭CURL会话 return $tmpInfo; // 返回数据 } } weather::getXML("Changsha");

新浪 http://php.weather.sina.com.cn

              $city = mb_convert_encoding ( $city, 'gbk', 'utf-8' );
			self::$city = urlencode($city);
	  }
	  self::$weatherXML =  self::$file_path	.	md5(self::$city) . '-weather.xml';
          
	  if (file_exists( self::$weatherXML )) {		   
		   $fileTime = filemtime ( self::$weatherXML );
		   $stater = time () - $fileTime - 60 * 60 * 2;
	   if ($stater > 0) {
		   return true;			
	   }	   
	  }
          
          $contents =   self::vget( self::$url . self::$city );	  
          
	  self::cacheXML ( $contents );
          
          self::analysisXML();
          
	}
	/**
	  * 解析xml
	  */
	static public function analysisXML() {             
            
                $XML    =   simplexml_load_file(self::$weatherXML );    
                print_r($XML);
	}
	
	/**
	  * 创建xml缓存
	  * @param $contents 要缓存的内容
	  */
	static private function cacheXML($contents) {
		$contents = str_ireplace ( '', " \n", $contents );
		file_put_contents ( self::$weatherXML, $contents ) or die ( '没有写权限' );
	}
        /**
         * 模拟获取内容函数
         * @param type $url
         * @return type
         */
         
        static private function vget($url) { 
       $user_agent = "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.2; .NET CLR 1.1.4322)"; $curl = curl_init (); // 启动一个CURL会话 curl_setopt ( $curl, CURLOPT_URL, $url ); // 要访问的地址 curl_setopt ( $curl, CURLOPT_SSL_VERIFYPEER, 0 ); // 对认证证书来源的检查 curl_setopt ( $curl, CURLOPT_SSL_VERIFYHOST, 1 ); // 从证书中检查SSL加密算法是否存在 curl_setopt ( $curl, CURLOPT_USERAGENT, $user_agent ); // 模拟用户使用的浏览器 @curl_setopt ( $curl, CURLOPT_FOLLOWLOCATION, 1 ); // 使用自动跳转 curl_setopt ( $curl, CURLOPT_AUTOREFERER, 1 ); // 自动设置Referer curl_setopt ( $curl, CURLOPT_HTTPGET, 1 ); // 发送一个常规的Post请求 curl_setopt ( $curl, CURLOPT_TIMEOUT, 120 ); // 设置超时限制防止死循环 curl_setopt ( $curl, CURLOPT_HEADER, 0 ); // 显示返回的Header区域内容 curl_setopt ( $curl, CURLOPT_RETURNTRANSFER, 1 ); // 获取的信息以文件流的形式返回 $tmpInfo = curl_exec ( $curl ); // 执行操作 if (curl_errno ( $curl )) { curl_close ( $curl ); // 关闭CURL会话 die('Errno' . curl_error ( $curl )) ; } curl_close ( $curl ); // 关闭CURL会话 return $tmpInfo; // 返回数据 } } weather::getXML();