//测试号相关信息
$mdKey = 'fcAmtnx7MwismjWNhNKdHC44mNXtnEQeJkRrhKJwyrW2ysRR';
$mid = '898340149000005';
$tid = '88880001';
$time = time();
$requestTimestamp = date('Y-m-d H:i:s',$time);
$merOrderId = date('YmdHis') . mt_rand(100000, 999999);
$msgType = 'qmf.jspay';//微信支付：WXPay.jsPay，支付宝支付：trade.jsPay，银联支付：qmf.jspay(qmf.webPay)
$data = ['instMid' => 'YUEDANDEFAULT',//业务类型'merOrderId' => $merOrderId,//订单号'mid' => $mid,//商户号'msgSrc' => 'WWW.TEST.COM',//消息来源'msgType' => $msgType,//消息类型'orderDesc' => '测试',//订单描述'requestTimestamp' => $requestTimestamp,//报文请求时间'tid' => $tid,//终端号'totalAmount' => '1',//支付金额'notifyUrl' => 'http://d9vhs4.natappfree.cc',//支付结果通知地址，结果页面会将返回参数通过post传过来。通过status值来判断是否支付成功'returnUrl' => 'http://d9vhs4.natappfree.cc',//网页跳转地址，结果页面会将返回参数通过get传过来。通过status值来判断是否支付成功
];
ksort($data);
reset($data);
$options = '';
foreach ($data as $key => $value) {$options .= $key . '=' . $value .'&';
}
$options = rtrim($options, '&');
//存在转义字符，那么去掉转义
if(get_magic_quotes_gpc()){$options = stripslashes($options);
}
$sign = md5($options . $mdKey);
$options .= '&sign=' . $sign;
$url = 'https://qr-test2.chinaums.com/netpay-portal/webpay/pay.do?'.$options;
//获取到url之后直接跳转即可

//测试号相关信息
$mdKey = 'fcAmtnx7MwismjWNhNKdHC44mNXtnEQeJkRrhKJwyrW2ysRR';
$mid = '898340149000005';
$tid = '88880001';
$requestTimestamp = date('Y-m-d H:i:s',time());
$data = ['msgSrc' => 'WWW.TEST.COM',//消息来源'msgType' => 'refund',//消息类型'requestTimestamp' => $requestTimestamp,//报文请求时间'merOrderId' => $merOrderId,//订单号'instMid' => $params['instMid'],//业务类型'mid' => $mid,//商户号'tid' => $tid,//终端号'refundAmount' => 1,//退款金额'refundDesc' => '测试',//退款说明
];
ksort($data);
reset($data);
$options = '';
foreach ($data as $key => $value) {$options .= $key . '=' . $value .'&';
}
$options = rtrim($options, '&');
//存在转义字符，那么去掉转义
if(get_magic_quotes_gpc()){$options = stripslashes($options);
}
//签名
$sign = md5($options . $mdKey);
$data['sign'] = $sign;
$client = new Client();
$response = $client->createRequest()->setMethod('POST')->setUrl('https://qr-test2.chinaums.com/netpay-route-server/api/')->setData($data)->setHeaders(['Content-Type'=>'application/json'])->setFormat(Client::FORMAT_JSON) //提交的数据的格式->send();
if ($response->isOk) {$data = $response->data;if ($data['refundStatus'] == 'SUCCESS') {//退款成功return true;}
}
return false;
}