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news 2025/11/2 15:36:57

长沙做彩票网站公司,打金新开传奇网站,高端网站设计企业,荆州网站建设荆州一、商户注册与配置注册支付平台账号：在拉卡拉开放平台注册商户账号（私信联系注册）创建应用：获取小程序应用ID(AppID)配置支付参数：商户号(MID)终端号(TID)API密钥支付回调地址二、配置拉卡拉…

一、商户注册与配置

注册支付平台账号：在拉卡拉开放平台注册商户账号（私信联系注册）
创建应用：获取小程序应用ID(AppID)
配置支付参数：
- 商户号(MID)
- 终端号(TID)
- API密钥
- 支付回调地址

二、配置拉卡拉参数（后台）

在app/admin/controller/system/config/PayConfig.php中添加：

// 文件路径：app/admin/controller/system/config/PayConfig.phppublic function index()
{//...已有代码...$list = [// 添加拉卡拉支付配置['menu_name' => '拉卡拉支付','config' => [// 商户编号['type'      => 'text','name'      => 'lakala_merchant_id','title'     => '商户号(MID)',],// 终端号['type'      => 'text','name'      => 'lakala_terminal_id','title'     => '终端号(TID)',],// API密钥['type'      => 'text','name'      => 'lakala_api_key','title'     => 'API密钥',],// 应用ID（小程序）['type'      => 'text','name'      => 'lakala_app_id','title'     => '小程序AppID',],// 是否启用['type'      => 'radio','name'      => 'lakala_status','title'     => '启用状态','value'     => 0,'options'   => [['label' => '关闭', 'value' => 0],['label' => '开启', 'value' => 1]]]]]];//...后续代码...
}

三、支付服务层（核心）

// 文件路径：app/services/pay/LakalaPayService.php<?php
namespace app\services\pay;use think\facade\Config;
use app\services\BaseServices;
use app\services\order\StoreOrderServices;class LakalaPayService extends BaseServices
{protected $apiUrl = 'https://api.lakala.com/payment/gateway'; // 正式环境// protected $apiUrl = 'https://test.api.lakala.com/payment/gateway'; // 测试环境// 小程序支付下单public function miniPay($order){$config = $this->getConfig();if (!$config['status']) throw new \Exception('拉卡拉支付未开启');$params = ['version'       => '1.0','merchant_id'   => $config['merchant_id'],'terminal_id'   => $config['terminal_id'],'biz_type'      => 'MINIPRO','trade_type'    => 'JSAPI','notify_url'    => sys_config('site_url') . '/api/pay/lakala/notify','out_trade_no'  => $order['order_id'],'total_fee'     => bcmul($order['pay_price'], 100), // 转为分'body'          => '订单支付','sub_appid'     => $config['app_id'],'sub_openid'    => $order['openid'], // 小程序用户openid'attach'        => 'store_id:' . $order['store_id'] // 多门店标识];// 生成签名$params['sign'] = $this->generateSign($params, $config['api_key']);// 请求拉卡拉接口$result = $this->curlPost($this->apiUrl, $params);if ($result['return_code'] != 'SUCCESS') {throw new \Exception('拉卡拉支付请求失败: ' . $result['return_msg']);}// 返回小程序支付参数return ['appId'     => $config['app_id'],'package'   => 'prepay_id=' . $result['prepay_id'],'timeStamp' => (string) time(),'nonceStr'  => get_nonce(16),'signType'  => 'MD5','paySign'   => $this->generateJsSign($result, $config['api_key'])];}// 生成支付签名private function generateSign($data, $key){ksort($data);$string = '';foreach ($data as $k => $v) {if ($v === '' || $k == 'sign') continue;$string .= $k . '=' . $v . '&';}$string .= 'key=' . $key;return strtoupper(md5($string));}// 生成JS支付签名private function generateJsSign($result, $key){$data = ['appId'     => $result['appid'],'timeStamp' => (string) time(),'nonceStr'  => get_nonce(16),'package'   => 'prepay_id=' . $result['prepay_id'],'signType'  => 'MD5'];ksort($data);$string = implode('&', array_map(function($k, $v) {return "$k=$v";}, array_keys($data), $data));$string .= '&key=' . $key;return strtoupper(md5($string));}// 处理支付回调public function handleNotify(){$xml = file_get_contents('php://input');$data = json_decode(json_encode(simplexml_load_string($xml, 'SimpleXMLElement', LIBXML_NOCDATA)), true);// 验证签名$sign = $data['sign'];unset($data['sign']);if ($sign != $this->generateSign($data, config('pay.lakala_api_key'))) {return false;}// 获取门店ID$attach = explode(':', $data['attach']);$storeId = isset($attach[1]) ? intval($attach[1]) : 0;/** @var StoreOrderServices $orderService */$orderService = app()->make(StoreOrderServices::class);return $orderService->successPay($data['out_trade_no'], ['pay_type'  => 'lakala','store_id'  => $storeId]);}// 获取配置private function getConfig(){return ['merchant_id' => sys_config('lakala_merchant_id'),'terminal_id' => sys_config('lakala_terminal_id'),'api_key'     => sys_config('lakala_api_key'),'app_id'      => sys_config('lakala_app_id'),'status'      => sys_config('lakala_status')];}// HTTP POST请求private function curlPost($url, $data){$ch = curl_init();curl_setopt($ch, CURLOPT_URL, $url);curl_setopt($ch, CURLOPT_POST, true);curl_setopt($ch, CURLOPT_POSTFIELDS, http_build_query($data));curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);$response = curl_exec($ch);curl_close($ch);return json_decode(json_encode(simplexml_load_string($response)), true);}
}

四、支付控制器

// 文件路径：app/api/controller/v1/pay/PayController.phppublic function lakalaPay()
{$orderId = $this->request->param('order_id');$openid = $this->request->param('openid'); // 小程序获取的openid// 验证订单$order = $this->validateOrder($orderId, $openid);try {/** @var LakalaPayService $lakala */$lakala = app()->make(LakalaPayService::class);$payment = $lakala->miniPay(['order_id'   => $orderId,'pay_price'  => $order['pay_price'],'openid'     => $openid,'store_id'   => $order['store_id']]);return $this->success(compact('payment'));} catch (\Throwable $e) {return $this->fail($e->getMessage());}
}

五、小程序端调用

// 小程序端支付调用
wx.request({url: '/api/pay/lakala',method: 'POST',data: {order_id: '订单ID',openid: '用户openid'},success: (res) => {const payment = res.data.payment;wx.requestPayment({appId: payment.appId,timeStamp: payment.timeStamp,nonceStr: payment.nonceStr,package: payment.package,signType: payment.signType,paySign: payment.paySign,success: () => {wx.showToast({ title: '支付成功' });},fail: (err) => {wx.showToast({ title: '支付失败', icon: 'error' });}});}
});

六、回调路由设置

// 文件路径：route/app.phpRoute::post('api/pay/lakala/notify', 'api/pay.Pay/lakalaNotify');

七、回调控制器

// 文件路径：app/api/controller/pay/Pay.phppublic function lakalaNotify()
{/** @var LakalaPayService $lakala */$lakala = app()->make(LakalaPayService::class);try {$result = $lakala->handleNotify();if ($result) {return response('<xml><return_code>SUCCESS</return_code></xml>', 200, [], 'xml');}} catch (\Throwable $e) {Log::error('拉卡拉回调异常:' . $e->getMessage());}return response('<xml><return_code>FAIL</return_code></xml>', 200, [], 'xml');
}

配置注意事项：