union-pay

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simplest union pay（银联支付）

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# UnionPay - 银联支付
[![Latest Stable Version](https://poser.pugx.org/zhangv/union-pay/v/stable)](https://packagist.org/packages/zhangv/union-pay)
[![License](https://poser.pugx.org/zhangv/union-pay/license)](https://packagist.org/packages/zhangv/union-pay)
[![Build Status](https://travis-ci.org/zhangv/union-pay.svg?branch=master)](https://travis-ci.org/zhangv/union-pay)
[![codecov](https://codecov.io/gh/zhangv/union-pay/branch/master/graph/badge.svg)](https://codecov.io/gh/zhangv/union-pay)

simplest union pay - no dependency to any library, simple enough to let you hack.

### Feature
* [B2C - 在线网关支付](src/service/B2C.php)
* [Wap - 手机网页支付（WAP支付）](src/service/Wap.php)
* [App - App/控件支付](src/service/App.php)
* [B2B - 企业网银支付](src/service/B2B.php)
* [Direct - 无跳转标准版](src/service/Direct.php)
* [Token - 无跳转Token版](src/service/Token.php)
* [Qrcode - 二维码支付](src/service/Qrcode.php)
* [DirectDebit - 代收](src/service/DirectDebit.php)
* [Charge - 便民缴费产品](src/service/Charge.php)
* 刷脸支付 （TODO）
* 跨境电商海关申报（TODO）

### Install
```
composer require zhangv/union-pay
```
or

add:

```
"zhangv/union-pay":"0.8.12"
```
in composer.json

### Step 1: [config.php](demo/config.php) - 配置

```php
return ['test', [
		'version' => '5.1.0',
		'signMethod'=> '01', //RSA
		'encoding' => 'UTF-8',
		'merId' => '700000000000001',
		'returnUrl' => 'http://dev.git.com/union-pay/demo/payreturn.php', //前台网关支付返回
		'notifyUrl' => 'http://dev.git.com/union-pay/demo/paynotify.php', //后台通知
		'frontFailUrl'   => 'http://dev.git.com/union-pay/demo/payfail.php',
		'refundnotifyUrl' => 'http://dev.git.com.com/union-pay/demo/refundnotify.php',
		'signCertPath' => dirname(__FILE__).'/../cert/acp_test_sign.pfx',
		'signCertPwd' => '000000', //签名证书密码
		'verifyCertPath' => dirname(__FILE__).'/../cert/acp_test_verify_sign.cer',  //v5.0.0 required
		'verifyRootCertPath' => dirname(__FILE__).'/../cert/acp_test_root.cer', //v5.1.0 required
		'verifyMiddleCertPath' => dirname(__FILE__).'/../cert/acp_test_middle.cer', //v5.1.0 required
		'encryptCertPath' => dirname(__FILE__).'/../cert/acp_test_enc.cer',
		'ifValidateCNName' => false, //正式环境设置为true
	]
];
```

### Step 2: [pay.php](demo/b2c/pay.php) - 支付

```php
<?php

list($mode,$config) = include './config.php';
$unionPay = UnionPay::B2C($config,$mode);

$payOrderNo = date('YmdHis');
$amt = 1;

$html = $unionPay->pay($payOrderNo,$amt);
echo $html;
```

### Step 3: [payreturn.php](demo/payreturn.php) - 支付完成前台返回

```php
<?php

list($mode,$config) = include './config.php';
$unionPay = UnionPay::B2C($config,$mode);

$postdata = $_REQUEST;
$unionPay->onPayNotify($postdata,function($notifydata){
	echo 'SUCCESS';
	var_dump($notifydata);
});
```

### Step 4: [paynotify.php](demo/paynotify.php) - 支付完成后台通知
```php
<?php
list($mode,$config) = include './config.php';
$unionPay = UnionPay::B2C($config,$mode);

$notifyData = $_POST;
$respCode = $notifyData['respCode'];
if($respCode == '00'){
	$unionPay->onNotify($notifyData,'demoCallback');
}elseif(in_array($respCode,['03','04','05'])){
	//后续需发起交易状态查询交易确定交易状态
}else{
	echo 'fail';
}

function demoCallback($notifyData){//自定义回调
	var_dump($notifyData);
	print('ok');
}
```

### FAQ

* 关于测试环境：有时候会报验签错误，一般的原因是证书错误或者参数拼接，如果确认二者没错，那么可能是因为你的商户号在银联测试环境中不生效，这种时候需要联系银联的客服。也可以直接用生产环境的证书测试交易，如果可以正常交易，那么测试交易这步也可以不做。
* 关于测试用例：目前的测试用例依赖银联的测试环境，但并不是很稳定，经常会有返回错误的情况。后续可能考虑改成模拟数据。

union-pay

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