支付宝接入流程
程序员文章站
2022-07-13 17:08:15
...
主要接入支付的支付功能，包括电脑网站支付、手机网站支付、APP支付、当面付。
使用语言：PHP
官方文档：https://doc.open.alipay.com/docs/doc.htm?treeId=193&articleId=105899&docType=1
一、开发前的准备，参考官方文档
https://doc.open.alipay.com/docs/doc.htm?treeId=193&articleId=105894&docType=1二、下载服务端SDK
https://doc.open.alipay.com/doc2/detail?treeId=54&articleId=103419&docType=1
三、沙箱环境调试
上线前先在沙箱环境下进行测试，支付宝提供了专门的沙箱APP，可以任意充值测试。
注意：使用沙箱环境测试时，需要使用沙箱环境中的相关参数。
四、服务端代码
>>>下载SDK后，删除不要的文件，放入自己的目录中，即可直接使用
五、注意
>>>沙箱环境时有专门的key
>>>程序中使用的公钥是支付的公钥，不是自己生存的公钥。
>>>支付宝类，直接调用SDK中的代码，提供各种支付能力接口。
电脑网站支付：pay函数
手机完整支付：jsPay函数
APP接口：appApi函数，主要用于获取APP支付的相关参数（由于私钥存储在服务端，需要通过私钥加密相关参数）
当面付：generateQrCode函数，内部系统使用，生成当面付的支付二维码，发给客户让客户进行支付。
<?php
class Dg_Pay_Zhifubao
{
/**
* 支付网关
*
* @var string
*/
private $gatewayUrl = 'https://openapi.alipay.com/gateway.do';
/**
* 异步通知URL
*
* @var string
*/
private $notifyUrl = 'https://www.baidu.com';
/**
* 支付后跳转地址
*
* @var string
*/
private $returnUrl = 'https://www.baidu.com';
private $returnUrlM = 'https://www.baidu.com';
/**
* 支付宝分配的应用ID
*
* @var string
*/
private $appId = 'xxx';
/**
* 收款支付宝账号
*
* @var string
*/
private $sellerEmail = '';
/**
* 卖家支付宝用户号
*
* @var string
*/
private $sellerId = 'xxx';
/**
* 商户私钥
*
* @var string
*/
private $privateKey;
private $privateKeyPath;
/**
* 支付宝公钥（此处是支付宝生成的公钥）
*
* @var string
*/
private $publicKey;
private $publicKeyPath;
/**
* 签名方式
*
* @var string
*/
private $signType = 'RSA2';
/**
* 返回值数据类型
*
* @var string
*/
private $format = 'json';
/**
* 请求编码
*
* @var string
*/
private $charset = 'utf-8';
/**
* 初始化支付参数
*
* @param string $out_trade_no
* 订单号
* @param double $total_fee
* 交易金额
* @param string $subject
* 商品名称
* @param string $body
* 商品描述
*/
public function __construct()
{
$this->privateKeyPath = dirname(__FILE__) . DS . 'zhifubao_private_key.pem';
$this->publicKey = 'xxx';
//ToDo 沙箱测试参数
if ( false ) {
$this->gatewayUrl = 'https://openapi.alipaydev.com/gateway.do';
$this->appId = 'xxx';
$this->sellerId = 'xxx';
$this->notifyUrl = 'https://www.baidu.com';
$this->returnUrl = 'https://www.baidu.com';
$this->returnUrlM = 'https://www.baidu.com';
$this->publicKey = 'xxx';
}
//引入支付宝SDK
include_once("alipay/AopSdk.php");
}
/**
* 生成支付地址
*
* @return string
*/
public function pay($out_trade_no, $total_fee, $subject = '缴费', $body = '缴费')
{
$client = new AopClient;
$client->gatewayUrl = $this->gatewayUrl;
$client->appId = $this->appId;
$client->rsaPrivateKeyFilePath = $this->privateKeyPath;
$client->alipayrsaPublicKey = $this->publicKey;
$client->apiVersion = '1.0';
$client->signType = $this->signType;
$client->postCharset= $this->charset;
$client->format = $this->format;
$request = new AlipayTradePagePayRequest();
$bizParam = array(
'product_code' => 'FAST_INSTANT_TRADE_PAY',
'out_trade_no' => $out_trade_no,
'total_amount' => $total_fee,
'subject' => $subject,
'body' => $body,
'seller_id' => $this->sellerId,
);
$bizContent = json_encode($bizParam, JSON_UNESCAPED_UNICODE);
$request->setBizContent($bizContent);
$request->setNotifyUrl($this->notifyUrl);
$request->setReturnUrl($this->returnUrl);
$response = $client->pageExecute($request);
//指定编码，360、qq浏览器下，浏览器没有设置为自动检测编码，会有问题。
header("Content-type: text/html; charset=utf-8");
echo $response;
}
/**
* JS支付
*
* @return array
*/
public function jsPay($out_trade_no, $total_fee, $body, $wx_app = 'APP' , $platform = 'ios')
{
$client = new AopClient;
$client->gatewayUrl = $this->gatewayUrl;
$client->appId = $this->appId;
$client->rsaPrivateKeyFilePath = $this->privateKeyPath;
$client->alipayrsaPublicKey = $this->publicKey;
$client->apiVersion = '1.0';
$client->signType = $this->signType;
$client->postCharset= $this->charset;
$client->format = $this->format;
$request = new AlipayTradeWapPayRequest();
$bizParam = array(
'product_code' => 'QUICK_WAP_PAY',
'seller_id' => $this->sellerId,
'out_trade_no' => $out_trade_no,
'total_amount' => $total_fee,
'subject' => $body,
'body' => $body,
);
$bizContent = json_encode($bizParam, JSON_UNESCAPED_UNICODE);
$request->setBizContent($bizContent);
$request->setNotifyUrl($this->notifyUrl);
$request->setReturnUrl($this->returnUrlM);
$response = $client->pageExecute($request);
header("Content-type: text/html; charset=utf-8");
echo $response;
}
/**
* APP获得支付参数
*
* @return array
*/
public function appApi($out_trade_no, $total_fee, $body, $wx_app = 'APP' , $platform = 'ios')
{
$client = new AopClient;
$client->gatewayUrl = $this->gatewayUrl;
$client->appId = $this->appId;
$client->rsaPrivateKeyFilePath = $this->privateKeyPath;
$client->alipayrsaPublicKey = $this->publicKey;
$client->format = $this->format;
$client->charset = $this->charset;
$client->signType = $this->signType;
$request = new AlipayTradeAppPayRequest();
$bizParam = array(
'product_code' => 'QUICK_MSECURITY_PAY',
'seller_id' => $this->sellerId,
'out_trade_no' => $out_trade_no,
'total_amount' => $total_fee,
'subject' => $body,
'body' => $body,
);
$request->setNotifyUrl($this->notifyUrl);
$bizContent = json_encode($bizParam, JSON_UNESCAPED_UNICODE);
$request->setBizContent($bizContent);
$response = $client->sdkExecute($request);
//解析参数，此处返回字符串，APP需要json
parse_str($response, $responseJson);
//私钥
$responseJson['private_key'] = $this->_getPrivateKey();
return Dg_Helper_Common::initReturn(NO_ERROR, NO_ERROR, $responseJson);
}
/**
* 生成支付二维码
*
* @return array
*/
public function generateQrCode($out_trade_no, $total_fee, $subject = '缴费', $body = '缴费')
{
$client = new AopClient;
$client->gatewayUrl = $this->gatewayUrl;
$client->appId = $this->appId;
$client->rsaPrivateKeyFilePath = $this->privateKeyPath;
$client->alipayrsaPublicKey = $this->publicKey;
$client->apiVersion = '1.0';
$client->format = $this->format;
$client->postCharset = $this->charset;
$client->signType = $this->signType;
$request = new AlipayTradePrecreateRequest();
$bizParam = array(
'seller_id' => $this->sellerId,
'out_trade_no' => $out_trade_no,
'total_amount' => $total_fee,
'subject' => $body,
'body' => $body,
);
$request->setNotifyUrl($this->notifyUrl);
$bizContent = json_encode($bizParam, JSON_UNESCAPED_UNICODE);
$request->setBizContent($bizContent);
try {
$response = $client->execute($request); //返回的是对象
$response = json_decode(json_encode($response), true);
if ( isset($response['alipay_trade_precreate_response']) && $response['alipay_trade_precreate_response']['code'] == '10000' ) {
return Dg_Helper_Common::initReturn(NO_ERROR, NO_ERROR, $response['alipay_trade_precreate_response']);
} else {
return Dg_Helper_Common::initReturn(ERROR_COMMON , NO_ERROR , $response['alipay_trade_precreate_response']['msg'].' '.$response['alipay_trade_precreate_response']['sub_msg']);
}
} catch (Exception $e) {
return Dg_Helper_Common::initReturn(ERROR_COMMON , NO_ERROR , $e->getMessage());
}
}
/**
* 验证签名
*
* @param array $data 支付宝返回的参数
* @return bool
*/
public function verify($data)
{
if ( $data['seller_id'] != $this->sellerId ) {
return false;
}
if ( $data['app_id'] != $this->appId ) {
return false;
}
$client = new AopClient;
$client->alipayrsaPublicKey = $this->publicKey;
$result = $client->rsaCheckV1($data, '', $this->signType);
return $result;
}
/**
* 获得私钥
*
* @return string
*/
private function _getPrivateKey()
{
$privateKey = '';
if ( file_exists($this->privateKeyPath) ) {
$privateKey = file_get_contents($this->privateKeyPath);
$privateKey = str_replace(array('-----BEGIN RSA PRIVATE KEY-----','-----END RSA PRIVATE KEY-----'), '', $privateKey);
$privateKey = str_replace("\r\n", '', $privateKey);
}
return $privateKey;
}
}
?>