php如何查询城市空气质量

// 空气质量调用示例代码 

header('Content-type:text/html;charset=utf-8');

//配置您申请的appkey

$appkey = "*********************";

/

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

$HttpInfo = array();

$ch = curl_init();

curl_setopt( $ch, CURLOPT_HTTP_VERSION , CURL_HTTP_VERSION_1_1 );

curl_setopt( $ch, CURLOPT_USERAGENT , 'JuheData' );

curl_setopt( $ch, CURLOPT_CONNECTTIMEOUT , 60 );

curl_setopt( $ch, CURLOPT_TIMEOUT , 60);

curl_setopt( $ch, CURLOPT_RETURNTRANSFER , true );

curl_setopt($ch, CURLOPT_FOLLOWLOCATION, 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) {

//echo "cURL Error: " . curl_error($ch);

return false;

}

$httpCode = curl_getinfo( $ch , CURLINFO_HTTP_CODE );

$httpInfo = array_merge( $httpInfo , curl_getinfo( $ch ) );

curl_close( $ch );

return $response;

}