PHP 中CURL

[HTTP 协议详解 - rickiyang - 博客园]

get 请求

function geturl($url){
        $headerArray =array("Content-type:application/json;","Accept:application/json");
        $ch = curl_init();
        curl_setopt($ch, CURLOPT_URL, $url);
        curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, FALSE); 
        curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, FALSE); 
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
        curl_setopt($ch,CURLOPT_HTTPHEADER,$headerArray);
        $output = curl_exec($ch);
        curl_close($ch);
        $output = json_decode($output,true);
        return $output;
}

post 请求

function posturl($url,$data){
        $data  = json_encode($data);    
        $headerArray =array("Content-type:application/json;charset='utf-8'","Accept:application/json");
        $curl = curl_init();
        curl_setopt($curl, CURLOPT_URL, $url);
        curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, FALSE);
        curl_setopt($curl, CURLOPT_SSL_VERIFYHOST,FALSE);
        curl_setopt($curl, CURLOPT_POST, 1);
        curl_setopt($curl, CURLOPT_POSTFIELDS, $data);
        curl_setopt($curl,CURLOPT_HTTPHEADER,$headerArray);
        curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);
        $output = curl_exec($curl);
        curl_close($curl);
        return json_decode($output，true);
}

json 请求

    private function postJosn($url, $data)
    {
        $data_string = json_encode($data);
        $ch = curl_init($url);
        curl_setopt($ch, CURLOPT_CUSTOMREQUEST, "POST");
        curl_setopt($ch, CURLOPT_POSTFIELDS, $data_string);
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
        curl_setopt(
            $ch,
            CURLOPT_HTTPHEADER,
            array(
                'Content-Type: application/json',
                'Content-Length: ' . strlen($data_string)
            )
        );
        curl_setopt($ch, CURLOPT_ENCODING, 'deflate');
        $result = curl_exec($ch);
        return json_decode($result, true);
    }

curl 上传文件

    private function upVideo($url, $data, $file)
    {
        $data = [
            // 将文件打成数据流的方法.
            'video' => new \CURLFile(realpath($file)),
        ];

        $ch = curl_init();
        curl_setopt($ch, CURLOPT_URL, $url);
        curl_setopt($ch, CURLOPT_POST, true);
        curl_setopt($ch, CURLOPT_POSTFIELDS, $data);  //该curl_setopt可以向header写键值对
        curl_setopt($ch, CURLOPT_HEADER, false); // 不返回头信息
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
        $output = curl_exec($ch);
        dump($output);
        if ($output == false) {
            return 'error:' . curl_error($ch);
        }
        curl_close($ch);
        $err = json_decode($output, true);
        return $err;
    }