基于php的水质查询api调用代码实例

代码描述：基于php的水质查询api调用代码实例
关联数据：水质量
接口地址：http://www.juhe.cn/docs/api/id/34

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

//----------------------------------
// 水质量调用示例代码 － 聚合数据
// 在线接口文档：http://www.juhe.cn/docs/34
//----------------------------------

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


//配置您申请的appkey
$appkey = "*********************";




//************1.流域查询水质量************
$url = "http://web.juhe.cn:8080/environment/water/river";
$params = array(
      "river" => "",//流域名称，查询流域为“长江流域”，则输入“长江流域”
      "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 "请求失败";
}
//**************************************************




//************2.监测站点查询水质量************
$url = "http://web.juhe.cn:8080/environment/water/state";
$params = array(
      "state" => "",//监测站点名称，查询站点为“湖北宜昌南津关”，则输入“湖北宜昌南津关”
      "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 "请求失败";
}
//**************************************************




//************3.监测站点列表************
$url = "http://web.juhe.cn:8080/environment/water/stateList";
$params = array(
      "key" => $appkey,//应用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 "请求失败";
}
//**************************************************





/**
 * 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 $ipost [是否采用POST形式]
 * @return  string
 */
function juhecurl($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