<?php
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namespace app\common\library\easywechat;
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use EasyWeChat\Factory;
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use app\common\exception\BaseException;
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use app\common\model\app\AppOpen as AppOpenModel;
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/**
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* 微信开放平台
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*/
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class AppOpen
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{
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public static function getWxPayApp($app_id)
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{
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// 获取当前app信息
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$wxConfig = AppOpenModel::getAppOpenCache($app_id);
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// 验证appid和appsecret是否填写
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if (empty($wxConfig['openapp_id']) || empty($wxConfig['openapp_secret'])) {
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throw new BaseException(['msg' => '请到 [后台-应用-app设置] 填写appid 和 appsecret']);
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}
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$app = AppModel::detail($app_id);
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if (empty($app['cert_pem']) || empty($app['key_pem'])) {
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throw new BaseException(['msg' => '请先到[后台-应用-支付设置]填写微信支付证书文件']);
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}
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// cert目录
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$filePath = root_path() . 'runtime/cert/app/' . $wxConfig['app_id'] . '/';
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$config = [
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'app_id' => $wxConfig['openapp_id'],
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'mch_id' => $app['mchid'],
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'key' => $app['apikey'], // API 密钥
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// 如需使用敏感接口（如退款、发送红包等）需要配置 API 证书路径(登录商户平台下载 API 证书)
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'cert_path' => $filePath . 'cert.pem',
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'key_path' => $filePath . 'key.pem',
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'sandbox' => false, // 设置为 false 或注释则关闭沙箱模式
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];
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return Factory::payment($config);
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}
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}
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