学习笔记

/**
 * [postParams post提交数据]
 * @param  [type]  $url     [接口地址]
 * @param  [type]  $params  [参数]
 * @param  boolean $useCert [是否需要证书，默认不需要]
 * @param  integer $second  [url执行超时时间，默认30s]
 * @param  boolean $json    [是否json]
 * @return [type]           [description]
 */
function postParams($url,$params, $useCert = false, $second = 30,$json=false)
{   
    $ch = curl_init();
    //设置超时
    curl_setopt($ch, CURLOPT_TIMEOUT, $second);

    //如果有配置代理这里就设置代理
    // if($this->config['curlProxyHost'] != "0.0.0.0"
    //     && $this->config['curlProxyPort'] != 0){
    //     curl_setopt($ch,CURLOPT_PROXY, $this->config['curlProxyHost']);
    //     curl_setopt($ch,CURLOPT_PROXYPORT, $this->config['curlProxyPort']);
    // }
    curl_setopt($ch,CURLOPT_URL, $url);
    curl_setopt($ch,CURLOPT_SSL_VERIFYPEER,false);
    curl_setopt($ch,CURLOPT_SSL_VERIFYHOST,0);//2 严格校验 ,不想验证也可设为0
    //设置header
    // $header[] = "Content-type: text/xml";
    // curl_setopt($ch, CURLOPT_HTTPHEADER, $header);
    // curl_setopt($ch, CURLOPT_HEADER, "Content-type: text/xml");
    //要求结果为字符串且输出到屏幕上
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, TRUE);

    if($useCert == true){
        curl_setopt($ch, CURLOPT_VERBOSE, '1'); //debug模式，方便出错调试
        //设置证书
        //使用证书：cert 与 key 分别属于两个.pem文件
        curl_setopt($ch,CURLOPT_SSLCERTTYPE,'PEM');
        curl_setopt($ch,CURLOPT_SSLCERT,  dirname(dirname(dirname(__FILE__))) . '/' . config('sslCertPath'));
        //curl_setopt($ch, CURLOPT_SSLCERTPASSWD,"Abcd1234");
        curl_setopt($ch,CURLOPT_SSLKEYTYPE,'PEM');
        curl_setopt($ch,CURLOPT_SSLKEY, dirname(dirname(dirname(__FILE__))) . '/' . config('sslKeyPath'));
        //curl_setopt($ch, CURLOPT_SSLKEYPASSWD,"Abcd1234");
    }
    if($json && is_array($params)) {
        $params = json_encode($params);
    }
    //设置post方式提交
    curl_setopt($ch, CURLOPT_POST, 1);
    //设置post数据
    if($json){ //发送JSON数据
        curl_setopt($ch, CURLOPT_POSTFIELDS, $params);
        curl_setopt($ch, CURLOPT_HEADER, 0);
        curl_setopt($ch, CURLOPT_HTTPHEADER,
            array('Content-Type: application/json; charset=utf-8',
                'Content-Length:' . strlen($params)
            )
        );
    }else{
        // var_dump(json_decode($params));
        curl_setopt($ch, CURLOPT_POSTFIELDS, http_build_query(json_decode($params)));
        curl_setopt($ch, CURLOPT_HEADER, 0);
        curl_setopt($ch, CURLOPT_HTTPHEADER,
            array('Content-Type: application/x-www-form-urlencoded; charset=utf-8'));
    }
    //运行curl
    $data = curl_exec($ch);
    //返回结果
    if($data){
        curl_close($ch);
        // DI()->logger->debug('curl reback data',$data);
        return $data;
    } else {
        $error = curl_errno($ch);
        curl_close($ch);
        // DI()->logger->error("curl出错","错误码:$error");
        return false;
    }
}