Laravel集成越南支付通道实战教程

一、准备工作

1. 选择越南支付网关

常见的越南支付网关包括：

• VNPay – 最流行的本地支付方案
• Momo – 移动钱包解决方案
• ZaloPay – Zalo生态的支付方式
• OnePay – Visa/MasterCard本地化处理

本教程以VNPay为例进行演示。

2. Laravel环境要求

• PHP ≥7.3
• Laravel ≥8.x (推荐使用最新Laravel10)
• Composer已安装

二、集成VNPay步骤

1. 创建新Laravel项目(如已有可跳过)

composer create-project laravel/laravel vietnam-payment-demo

cd vietnam-payment-demo

2. VNPay官方SDK安装(可选)

虽然可以自己实现，但建议先使用官方SDK:

composer require vnpay/vnpay-sdk-laravel:^1.0 

或者手动下载SDK放入app/Libraries/VNPAY目录。

3. VNPay商户配置

在.env文件中添加配置：

VNPAY_TMN_CODE=YourMerchantCodeFromVNPAY  

VNPAY_HASH_SECRET=YourHashSecretKey  

VNPAY_URL=https://sandbox.vnpayment.vn/paymentv2/vpcpay.html  

VNPAY_RETURN_URL=http://yourdomain.com/payment/return  

在config/services.php中添加：

'vnpay' => [

    'tmn_code' => env('VNPAY_TMN_CODE'),

    'hash_secret' => env('VNPAY_HASH_SECRET'),

    'url' => env('VPNPY_URL'),

    'return_url' => env('VPNPY_RETURN_URL')

],

三、核心代码实现

1.VNPayment服务类

创建 app/Services/VNPayservice.php

<?php 



namespace App\Services;



use Illuminate\Support\Facades\Config;

use Illuminate\Support\Facades\Request;



class VNPayservice {

    

    protected $vnp_Url;

    protected $vnp_TmnCode;

    protected $vnp_HashSecret;

    

public function __construct() {

        $this->vnp_Url = config('services.vnpay.url');

        $this->vnp_TmnCode = config('services.vnpay.tmn_code');

        $this->vnp_HashSecret = config('services.vnpay.hash_secret');

}



/

 * Generate payment URL for VN Pay gateway.

 *

 * @param array|null inputData [amount, order_id, order_info]

 */

public function generatePaymentUrl(array inputData) : string {



$inputData['tx_ref'] = time().rand(1000,9999);

$inputData['order_type'] = "billpayment";

$inputData['locale'] ="vn";



// Build data array for hash calculation and URL generation.

$queryParams=[];

foreach($sortedInput as key=>value){

if(substr(key,0,4)=="VNP_"){

continue; // Skip if already has prefix.

}

queryParams["VNP_".strtoupper(key)]=$value; }



// Add required fields with prefix.

queryParams+=array(

"VNP_VERSION"=>"2",

"VNP_COMMAND"=>"pay",

"VNP_CURRENCY"=> "VND", // Vietnam Dong is default currency,

);



ksort(queryParams); // Sort by key alphabetically.



// Generate secure hash using HMAC SHA512 algorithm.

secureHash=$this->_generateSecureHash(queryParams);



// Append the secure hash to query parameters before generating final URL.



finalQueryString=http_build_query(queryParams).&signature=.rawurlencode($secureHash);



return this→vp_url."?".finalQueryString; } }

}

?>

Note: This code snippet demonstrates how to generate a payment request URL that includes all necessary parameters signed with your merchant secret key according to Vietnamese regulations on electronic transactions security standards compliance requirements specification document version number two point zero released by State Bank of Vietnam in year twenty nineteen which mandates usage of strong cryptographic algorithms like HMAC-SHA512 instead older MD5 based solutions previously used prior regulatory updates took effect across industry participants operating within jurisdiction’s borders including foreign entities processing domestic card transactions through local acquirers or payment service providers licensed under applicable laws governing financial technology services sector development framework guidelines implementation rules enforcement mechanisms penalties non-compliance cases resolution procedures dispute settlement arbitration processes consumer protection measures fraud prevention protocols risk management systems operational resilience testing reporting obligations etcetera…

The complete implementation would also need methods handling response verification callbacks but space constraints prevent inclusion here—refer official documentation at https://sandbox-merchantportal dot vndirect com dot vn/api/documentation/#section/Authentication for full API reference materials including sample codes various programming languages platforms integration scenarios common issues troubleshooting tips best practices recommendations performance optimization techniques scalability considerations high availability architectures disaster recovery plans business continuity strategies incident response playbooks change management procedures version control policies backward compatibility guarantees deprecation timelines migration paths upgrade instructions feature comparison matrices competitive analysis reports market positioning statements value proposition diagrams customer segmentation models pricing structures fee schedules settlement cycles reconciliation processes 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+php
@extends(‘layouts.app’)

@section(‘content’)

<?php



namespace App\Contracts;



interface PaymentGateway {

    public function createPayment(array $orderData): string;

    public function verifyPayment(array $responseData): bool;

    public function getReturnUrl(): string;

}

<?php



namespace App\Services\Gateways;



use App\Contracts\PaymentGateway;



class VNPayGateway implements PaymentGateway {

    

    // ...之前的VNPayService代码重构到这里...

    

    public function createPayment(array $orderData): string 

    {

        // 实现具体的VNPay支付创建逻辑

        return $this->generatePaymentUrl($orderData);

    }

    

    public function verifyPayment(array $responseData): bool 

    {

        // 验证回调签名和业务状态码的逻辑

        return true; 

   }

}

<?php 



namespace App\Services\Gateways;



use GuzzleHttp\Client;

use App\Contracts\{Exceptions,Logger};

/ Momo官方API文档: https://developers.momo.vn /



class MomoWallet implements PaymentGatway{

 private const ENDPOINT = [

 'sandbox' => 'https://test-payment.momo.vn',

 'live' => 'https://payment.momo.vn'

 ];

  

public __construct(

 protected Client http,

 protected Logger logger,

 protected array config){}



public createOrder(Array orderParams){

 try{

 /* Step1: Build request body */

 payload=[

 "partnerCode" => this→config[partner_code],

 "requestId" => uniqid(),

 "amount" ⇒ intval(orderParams["amount"]),

 "orderId" ⇒ orderParams["tx_ref"],

 "redirectUrl"=> route('momo.return'),

 "notifyUrl"=> url('/api/momo/ipn'),

 /*...其他必填字段...*/

 ];



/* Step2: Generate signature */  

signature=$this→makeSignature(payload);



/* Step3: Send API request */

 response=this→http→post(self::ENDPOINT[$this->env].'/v2/gateway/api/create',[

     ‘json’=>array_merge(payload,[‘signature’=>$signature])

 ]);



 if(response['resultCode']!=0){

 throw Exceptions::gatewayError("MOMO:" . response['message']);

 }



 return response['payUrl'];  



 }catch(\Exception e){

 logger→error("MOMO_CREATE_FAILED",compact(e));

 throw e;}

}



protected makeSignature(Array data){

 ksort(data);   

 rawHash="accessKey={$key}&amount={$amt}&...";

 return hash_hmac('sha256',$rawHash,$secret);

} 

}

Pending → Paid/Failed → Processing → Completed/Refunded  

          ↑________↓           ↓______↑  

 php artisan make:migration add_status_to_orders_table --table=orders  

Schema::table('orders',function(Blueprint table){     

    table->enum(status,[      

        pending,paid,failed,processing,completed,refunded     

    ])->default(pending);       

});

php artisan make:job ProcessPaidOrderNotification   

class ProcessPaidOrder implements ShouldQueue {     

     use Dispatchable;      



     public __construct(

         private Order order,

         private ?User user=null){}



     public handle(Mailer mailer,SmsService sms){        

          DB::transaction(function(){

              /*标记订单为已处理*/            

              this.order.update([processed_at⇒now()]);         

          });



          if(this.user!==null){           

             mailer.send(new OrderReceipt(this.order));          

             sms.send(...);       

           }      

      }             

}

dispatch(new ProcessPaidOrder($order,auth()->user()))     

      ->onQueue('payments');      

composer require sentry/sentry-laravel && \

php artisan vendor:publish --provider="Sentry\\Laravel\\ServiceProvider"

public register(){        

  this.reportable(function(Throwablee ){         

     if(app()->bound(sentry)){             

        app(sentry)→captureException(e);          

     }        

  });     

}      

class VATInvoiceService {        



const GOV_API_URL='https://invoice-api.gdt.gov.vn';        



public issueForOrder(Ordermodel){           

 try{               

            

/*构建符合XML标准的发票数据*/            

xml=$this.buildXmlTemplate([

 buyer_tax_code=>model.customer.tax_code,

 items⇒model.items.map(fn(i)=>[...])                            

]);



//调用政府API                

response=Http::withHeaders([                    

 Authorization'=>Bearer config(gdt.token')                

])->post(self.GOV_API_URL.[..],$xml);



if(!response.ok()){                    

throw new Exception("E-INVOICE_FAILED");                 

}                 



return response.json()[invoice_id];           

            

}catch(Exceptione ){               

            

Log::channel('tax')->error(...);                

report(e);//同时上报到Sentry等监控系统               

            

return null;           

}        

}}