/**

 * curl远程传输工具

 */

public function post_curl($url,$body,$header,$type='POST'){

    $ch = curl_init();

    curl_setopt($ch,CURLOPT_URL,$url);

    curl_setopt($ch,CURLOPT_HEADER,0);//0只要正文

    curl_setopt($ch,CURLOPT_TIMEOUT,5);//设置超时时间

    curl_setopt($ch,CURLOPT_CONNECTTIMEOUT,5);

       //将curl_exec()获取的信息以文件流的形式返回，而不是直接输出。

    curl_setopt($ch,CURLOPT_RETURNTRANSFER,1);

       //增加header头信息

    // array_push($header,'Accept:application/json');

    // array_push($header,'Content-Type:application/json');

    // array_push($header,'http:multipart/form-data');

    if(count($body)>0){

        curl_setopt($ch,CURLOPT_POSTFIELDS,$body);

    }

    if(count($header)>0){

        curl_setopt($ch,CURLOPT_HTTPHEADER,$header);

    }

    //设置上传文件相关

    curl_setopt($ch,CURLOPT_FOLLOWLOCATION,true);

    curl_setopt($ch,CURLOPT_MAXREDIRS,3);//递归

    curl_setopt($ch,CURLOPT_SSL_VERIFYPEER,false);// 对认证证书来源的检查

    curl_setopt($ch,CURLOPT_SSL_VERIFYHOST,0);// 从证书中检查SSL加密算法

    switch ($type) {

        case 'GET':

                curl_setopt($ch,CURLOPT_HTTPGET,1);

            break;

        case 'POST':

                curl_setopt($ch,CURLOPT_POST,1);

            break;

        case 'PUT':

                curl_setopt($ch,CURLOPT_CUSTOMREQUEST,'PUT');

            break;

        case 'DELETE':

                curl_setopt($ch,CURLOPT_CUSTOMREQUEST,'DELETE');

            break;

    }

        //上传文件相关设置

    curl_setopt($ch,CURLOPT_ENCODING,'gzip');

    curl_setopt($ch,CURLOPT_USERAGENT,'SSTS Browser/1.0');

    curl_setopt($ch,CURLOPT_USERAGENT,'Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.0; Trident/4.0)');// 模拟用户使用的浏览器

    if(curl_errno($ch)){

        return curl_error($ch);

    }

    $content = curl_exec($ch);

    curl_close($ch);//关闭curl资源，并且释放系统资源

    $result = json_decode($content,true);

    if(!empty($result)){

        return $result;

    }else{

        return $content;

    }

}