PHP 使用bing搜索网站的api封装类用法

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<? 
/**
 * 使用bing api搜索网站的php封装类
 *
 * @param 
 * @author php教程 www.idcnote.com
 **/
class BingAPI{ 
	var $accountKey = ''; 
	var $ServiceRootURL =  'https://api.datamarket.azure.com/Bing/Search/'; 
	var $WebSearchURL; 
	var $searchText; 
	var $searchType; 
	var $request_data; 
	var $AutoGet = true; 
	var $ReturnType = 'JSON'; //Options: JSON, ARRAY 
	var $ResultsLimit = 10; 
	function __construct(){ 
	} 
	function setQuery_Type($query,$type){ 
	$this->searchText = $query; 
	switch($type){ 
		case 'Web':$this->searchType = 'Web';break; 
		case 'Image':$this->searchType = 'Image';break; 
		case 'News':$this->searchType = 'News';break; 
		case 'Video':$this->searchType = 'Video';break; 
		case 'Related':$this->searchType = 'RelatedSearch';break; 
	} 
	$this->createURL(); 
	} 
	function createURL(){ 
	$this->WebSearchURL = $this->ServiceRootURL . $this->searchType .'?$format=json&$top='.$this->ResultsLimit.'&Query='; 
	$this->context = stream_context_create(array( 
		'http' => array( 
		'request_fulluri' => true, 
		'header'  => "Authorization: Basic " . base64_encode($this->accountKey . ":" . $this->accountKey) 
		) 
	)); 
	$this->request = $this->WebSearchURL . urlencode( '\'' . $this->searchText . '\''); 
	if($this->AutoGet){ 
		$this->get(); 
	} 
	} 
	function get(){ 
		$response = file_get_contents($this->request, 0, $this->context); 
		$this->request_data = json_decode($response); 
	} 
	function decoded_data(){ 
		$r_array = array(); 
		switch($this->searchType){ 
		case 'Web': 
			$obj = $this->request_data->d->results; 
			$ic = count($obj); 
			for($i=0;$i<$ic;$i++){ 
				$r_array[$i] = array('Title'=>$obj[$i]->Title,'Description'=>$obj[$i]->Description,'Url'=>$obj[$i]->Url); 
			} 
		break; 
		case 'Image': 
			$obj = $this->request_data->d->results; 
			$ic = count($obj); 
			for($i=0;$i<$ic;$i++){ 
				$r_array[$i] = array('Title'=>$obj[$i]->Title,'MediaURL'=>$obj[$i]->MediaUrl,'Width'=>$obj[$i]->Width,'Height'=>$obj[$i]->Height,'ContentType'=>$obj[$i]->ContentType,'Thumbnail'=>$obj[$i]->Thumbnail->MediaUrl); 
			} 
		break; 
		case 'News': 
			$obj = $this->request_data->d->results; 
			$ic = count($obj); 
			for($i=0;$i<$ic;$i++){ 
				$r_array[$i] = array('Title'=>$obj[$i]->Title,'Description'=>$obj[$i]->Description,'Url'=>$obj[$i]->Url,'Source'=>$obj[$i]->Source,'Date'=>$obj[$i]->Date); 
			} 
		break; 
		case 'Video': 
			$obj = $this->request_data->d->results; 
			$ic = count($obj); 
			for($i=0;$i<$ic;$i++){ 
				$r_array[$i] = array('Title'=>$obj[$i]->Title,'MediaUrl'=>$obj[$i]->MediaUrl,'DisplayUrl'=>$obj[$i]->DisplayUrl,'Runtime'=>$obj[$i]->Runtime,'Thumbnail'=>$obj[$i]->Thumbnail->MediaUrl); 
			} 
		break; 
		case 'RelatedSearch': 
			$obj = $this->request_data->d->results; 
			$ic = count($obj); 
			for($i=0;$i<$ic;$i++){ 
				$r_array[$i] = array('Keyword'=>$obj[$i]->Title); 
			} 
		break; 
		} 
		switch($this->ReturnType){ 
				case 'JSON':return json_encode($r_array); 
				case 'ARRAY':return $r_array; 
		} 
	}
} 
            
/***   来自php教程（www.idcnote.com）   ***/

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