Thinkphp 5.0实现微信企业付款到零钱

function transfer($data){
  //支付信息
  $wxchat['appid'] = WxPayConfig::$appid;
  $wxchat['mchid'] = WxPayConfig::$mchid;
  $webdata = array(
  'mch_appid' =  $wxchat['appid'],//商户账号appid
    'mchid'  =  $wxchat['mchid'],//商户号
  'nonce_str' =  md5(time()),//随机字符串
    'partner_trade_no'=  date('YmdHis'), //商户订单号，需要唯一
  'openid' =  $data['openid'],//转账用户的openid
  'check_name'=  'NO_CHECK', //OPTION_CHECK不强制校验真实姓名, FORCE_CHECK：强制 NO_CHECK：
  'amount' =  $data['money']*100, //付款金额单位为分
  'desc' =  '微信企业付款到零钱',//企业付款描述信息
  'spbill_create_ip' =  request()- ip(),//获取IP
  );
  foreach ($webdata as $k =  $v) {
  $tarr[] =$k.'='.$v;
  }
  sort($tarr);
  $sign = implode($tarr, '&');
  $sign .= '&key='.WxPayConfig::$key;
  $webdata['sign']=strtoupper(md5($sign));
  $wget = $this- ArrToXml($webdata);//数组转XML
  $pay_url = 'https://api.mch.weixin.qq.com/mmpaymkttransfers/promotion/transfers';//api地址
  $res = $this- postData($pay_url,$wget);//发送数据
  if(!$res){
  return array('status'= 1, 'msg'= "Can't connect the server" );
  }
  $content = simplexml_load_string($res, 'SimpleXMLElement', LIBXML_NOCDATA);
  if(strval($content- return_code) == 'FAIL'){
  return array('status'= 1, 'msg'= strval($content- return_msg));
  }
  if(strval($content- result_code) == 'FAIL'){
  return array('status'= 1, 'msg'= strval($content- err_code),':'.strval($content- err_code_des));
  }
  $rdata = array(
  'mch_appid'  =  strval($content- mch_appid),
  'mchid'   =  strval($content- mchid),
  'device_info'  =  strval($content- device_info),
  'nonce_str'  =  strval($content- nonce_str),
  'result_code'  =  strval($content- result_code),
  'partner_trade_no' =  strval($content- partner_trade_no),
  'payment_no'  =  strval($content- payment_no),
  'payment_time'  =  strval($content- payment_time),
  );
  return $rdata;
}

//数组转XML
 function ArrToXml($arr)
 {
  if(!is_array($arr) || count($arr) == 0) return '';
  $xml = "<xml ";
  foreach ($arr as $key= $val)
  {
   if (is_numeric($val)){
    $xml.="<".$key." ".$val."</".$key." ";
   }else{
    $xml.="<".$key." <![CDATA[".$val."]] </".$key." ";
   }
  }
  $xml.="</xml ";
  return $xml;
 }

//发送数据
 function postData($url,$postfields){
  $ch = curl_init();
  $params[CURLOPT_URL] = $url; //请求url地址
  $params[CURLOPT_HEADER] = false; //是否返回响应头信息
  $params[CURLOPT_RETURNTRANSFER] = true; //是否将结果返回
  $params[CURLOPT_FOLLOWLOCATION] = true; //是否重定向
  $params[CURLOPT_POST] = true;
  $params[CURLOPT_POSTFIELDS] = $postfields;
  $params[CURLOPT_SSL_VERIFYPEER] = false;
  $params[CURLOPT_SSL_VERIFYHOST] = false;
  //以下是证书相关代码
  $params[CURLOPT_SSLCERTTYPE] = 'PEM';
  $params[CURLOPT_SSLCERT] = getcwd().'/plugins/payment/weixin/cert/apiclient_cert.pem';//绝对路径
  $params[CURLOPT_SSLKEYTYPE] = 'PEM';
  $params[CURLOPT_SSLKEY] = getcwd().'/plugins/payment/weixin/cert/apiclient_key.pem';//绝对路径
  curl_setopt_array($ch, $params); //传入curl参数
  $content = curl_exec($ch); //执行
  curl_close($ch); //关闭连接
  return $content;
 }