POST

    function tocurl($url, $header, $content)
    {
        $ch = curl_init();
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
        curl_setopt($ch, CURLOPT_URL, $url);
        curl_setopt($ch, CURLOPT_HTTPHEADER, $header);
        curl_setopt($ch, CURLOPT_POST, true);
        curl_setopt($ch, CURLOPT_POSTFIELDS, http_build_query($content));
        $response = curl_exec($ch);
        if ($error = curl_error($ch)) {
            die($error);
        }
        curl_close($ch);
        return $response;
    }

GET

    //get请求
    public static function curl_get($url, $header)
    {
        $ch = curl_init();
        curl_setopt($ch, CURLOPT_URL, $url);
        //参数为1表示传输数据，为0表示直接输出显示。  
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
        //参数为0表示不带头文件，为1表示带头文件  
        // curl_setopt($ch, CURLOPT_HEADER,0);  
        curl_setopt($ch, CURLOPT_HTTPHEADER, $header);
        $output = curl_exec($ch);
        curl_close($ch);
        return $output;
    }

PUT

       public static function curl_put($data)
    {
        $AppId = '21081121580006C4';
        $AppSecret = '81d1eccc9498f17386ea5724a9d7935fa7d436b8';
        $AppTimestamp = time();
        $url = 'http://xxx.cn/api/supplier/order/v2/order';
        $api = '/api/supplier/order/v2/order';
        $AppToken = sha1($AppId . $AppSecret . $api . $AppTimestamp);
        //头部
        $header = array('AppId:' . $AppId, 'AppToken:' . $AppToken, 'AppTimestamp:' . $AppTimestamp);
        // $data = [
        //     'orderSN' => '21081409560004A4',
        //     'state' => 2,
        //     'remarks' => ''
        // ];
        $data = json_encode($data);
        $ch = curl_init();
        // $header[] = "Content-type:image/jpeg"; //定义header，可以加多个
        curl_setopt($ch, CURLOPT_URL, $url); //定义请求地址
        curl_setopt($ch, CURLOPT_CUSTOMREQUEST, "PUT"); //定义请求类型，当然那个提交类型那一句就不需要了
        curl_setopt($ch, CURLOPT_HEADER, 0); //定义是否显示状态头 1：显示 ； 0：不显示 
        curl_setopt($ch, CURLOPT_HTTPHEADER, $header); //定义header
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1); //定义是否直接输出返回流 
        curl_setopt($ch, CURLOPT_POSTFIELDS, $data); //定义提交的数据
        $res = curl_exec($ch);
        curl_close($ch); //关闭
        return $res;
    }