/**

* Created by PhpStorm.

* User: FZS

* Time: 2019/3/15 17:50

*/

//----------------------------------

// 易源 图书ISBN查询 调用类

//----------------------------------

class freeApi{

private $apiId = false; //易源appid

private $apiSecret = false; //易源secret

private $apiUrl = 'http://route.showapi.com/1626-1';

public function __construct($apiid,$secretkey){

$this->apiId = $apiid;

$this->apiSecret = $secretkey;

}

/**

* url拼接

* @return string

*/

private function handleParam($paramArr,$showapi_secret){

$paraStr = "";

$signStr = "";

ksort($paramArr);

foreach ($paramArr as $key => $val) {

if ($key != '' && $val != '') {

$signStr .= $key.$val;

$paraStr .= $key.'='.urlencode($val).'&';

}

}

$signStr .= $showapi_secret;//排好序的参数加上secret,进行md5

$sign = strtolower(md5($signStr));

$paraStr .= 'showapi_sign='.$sign;//将md5后的值作为参数,便于服务器的效验

return '?'.$paraStr;

}

/**

* 将JSON内容转为数据，并返回

* @param string $content [内容]

* @return array

*/

public function returnArray($content){

return json_decode($content,true);

}

/**

* 获取 图书ISBN查询 结果

* @return array

*/

public function getResult(){

$paramArr = [

'showapi_appid'=> $this->apiId,

'isbn'=> "9787208061644"

];

return $this->returnArray($this->freeApiCurl($this->apiUrl.$this->handleParam($paramArr,$this->apiSecret)));

}

/**

* 请求接口返回内容

* @param string $url [请求的URL地址]

* @param string $params [请求的参数]

* @param int $ipost [是否采用POST形式]

* @return string

*/

public function freeApiCurl($url,$params=false,$ispost=0){

$ch = curl_init();

curl_setopt( $ch, CURLOPT_HTTP_VERSION , CURL_HTTP_VERSION_1_1 );

curl_setopt( $ch, CURLOPT_HTTP_VERSION , CURL_HTTP_VERSION_1_1 );

curl_setopt( $ch, CURLOPT_USERAGENT , 'free-api' );

curl_setopt( $ch, CURLOPT_CONNECTTIMEOUT , 60 );

curl_setopt( $ch, CURLOPT_TIMEOUT , 60);

curl_setopt( $ch, CURLOPT_RETURNTRANSFER , true );

if( $ispost )

{

curl_setopt( $ch , CURLOPT_POST , true );

curl_setopt( $ch , CURLOPT_POSTFIELDS , $params );

curl_setopt( $ch , CURLOPT_URL , $url );

}

else

{

if($params){

curl_setopt( $ch , CURLOPT_URL , $url.'?'.$params );

}else{

curl_setopt( $ch , CURLOPT_URL , $url);

}

}

$response = curl_exec( $ch );

if ($response === FALSE) {

return false;

}

curl_close( $ch );

return $response;

}

}