PHP-based water quality query api calling code example

Code description: PHP-based water quality query api calling code example
Associated data: water quality
Interface address: http://www.juhe.cn/docs/api/id/34

// +------------- -------------------------------------------------- --------

//----------------------------------
// Water Quality call sample code - aggregated data
// Online interface documentation: http://www.juhe.cn/docs/34
//-------------------------- ---------------

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


//Configure the appkey you applied for
$appkey = " *********************";




//************1. Query water quality in river basins************
$url = "http://web.juhe.cn:8080/environment/water/river ";
$params = array(
 "river" => "",//Basin name, if the query basin is "Yangtze River Basin", then enter "Yangtze River Basin"
 "key" => $appkey,//APP Key
);
$paramstring = http_build_query($params);
$content = juhecurl($url,$paramstring);
$result = json_decode($content,true);
if($result){
 if($ result['error_code']=='0'){
 print_r($result);
 }else{
 echo $result['error_code'].":".$result['reason'];
 }
} else{
 echo "Request failed";
}
//************************************ ******************




//************2. Monitoring site to check water quality********** **
$url = "http://web.juhe.cn:8080/environment/water/state";
$params = array(
 "state" => "",//Monitoring site name, query site If it is "Nanjinguan, Yichang, Hubei", then enter "Nanjinguan, Yichang, Hubei"
 "key" => $appkey,//APP Key
);
$paramstring = http_build_query($params);
$content = juhecurl($ url,$paramstring);
$result = json_decode($content,true);
if($result){
 if($result['error_code']=='0'){
 print_r($result);
 }else{
 echo $result['error_code'].":".$result['reason'];
 }
}else{
 echo "Request failed";
}
//******* *******************************************




// ************3. Monitoring site list************
$url = "http://web.juhe.cn:8080/environment/water/ stateList";
$params = array(
 "key" => $appkey,//Application APPKEY
);
$paramstring = http_build_query($params);
$content = juhecurl($url,$paramstring);
 $result = json_decode($content,true);
if($result){
 if($result['error_code']=='0'){
 print_r($result);
 }else{
 echo $result ['error_code'].":".$result['reason'];
 }
}else{
 echo "Request failed";
}
//************** ************************************





/**
 * Request interface return Content
 * @param string $url [requested URL address]
 * @param string $params [requested parameters]
 * @param int $ipost [whether to use POST form]
 * @return string
*/
function juhecurl($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;
}

php, api