112 lines
3.5 KiB
PHP
112 lines
3.5 KiB
PHP
<?php
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namespace app\service\wx;
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use EasyWeChat\Factory;
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use EasyWeChat\Kernel\Exceptions\HttpException;
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use EasyWeChat\Kernel\Exceptions\InvalidArgumentException;
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use EasyWeChat\Kernel\Exceptions\InvalidConfigException;
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use EasyWeChat\Kernel\Exceptions\RuntimeException;
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use EasyWeChat\MiniProgram\Application;
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use Exception;
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use GuzzleHttp\Client;
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use GuzzleHttp\Exception\GuzzleException;
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use think\facade\Config;
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use think\facade\Log;
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/**
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* 微信小程序
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* Class WechatApplets
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* @package app\service\wx
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*/
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class WechatApplets
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{
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private static $app = null;
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/**
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* TODO 正式上线时需要替换模板配置信息和相关小程序配置信息
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*/
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// 订阅消息模板：预约通知
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public const SUBSCRIBE_TPL_APPOINTMENT = 'uvGd7RqaegheGU-uVxR-uM3y2MadZeMOHdQaNiiWm8U';
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private function __construct()
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{
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}
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private function __clone()
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{
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}
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//微信小程序实例 单例模式
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public static function getInstance(): ?Application
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{
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if (self::$app == null) {
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Config::load('extra/wechat', 'wechat');
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$conf = config('wechat');
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$config = [
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// 必要配置
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'app_id' => $conf['applets_appId'],
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'secret' => $conf['applets_appSecret'],
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// 返回数据类型 array | xml
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'response_type' => 'array',
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];
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self::$app = Factory::miniProgram($config);
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}
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return self::$app;
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}
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/**
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* 生成微信小程序链接
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*
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* @param string $path
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* @param string $sourceCode
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* @param bool $tokenRefresh 是否强制刷新access_token 默认false 非特殊条件请勿设为true
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* @return string
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* @throws GuzzleException
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* @throws HttpException
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* @throws InvalidArgumentException
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* @throws InvalidConfigException
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* @throws RuntimeException
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* @throws \Psr\SimpleCache\InvalidArgumentException
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*/
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public static function generateActivityUrl(string $path, string $sourceCode, bool $tokenRefresh = false): string
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{
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$accessToken = self::getInstance()->access_token;
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$client = new Client();
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$url = 'https://api.weixin.qq.com/wxa/generate_urllink?access_token=';
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$params = [];
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$query = '';
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$params['path'] = 'pages/tabbar/pagehome/pagehome';//首页路径
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if (!empty($path)) {
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$pathArr = explode('?', $path);
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$query = isset($pathArr[1]) ? $pathArr[1].'&' : '';
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$params['path'] = $pathArr[0];
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}
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$params['query'] = $query.'channel=activity&source_code='.$sourceCode;
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$jsonStr = !empty($params) ? json_encode($params, JSON_UNESCAPED_UNICODE) : '';
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Log::info('【小程序链接生成请求参数】'.$jsonStr);
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$response = $client->request('POST', $url.($accessToken->getToken($tokenRefresh)['access_token'] ?? ''), [
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'body' => $jsonStr
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]);
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$res = json_decode($response->getBody(), true);
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Log::info('【小程序链接生成响应】'.json_encode($res, JSON_UNESCAPED_UNICODE));
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if ($res['errcode'] == 0) {
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return $res['url_link'] ?? '';
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}
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if ($res['errcode'] == 40001 && $tokenRefresh == false) {
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// 可能是token过期 刷新一次
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// tokenRefresh 防止无限循环
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return self::generateActivityUrl($path, $sourceCode, true);
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}
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throw new Exception('链接生成失败 '.$res['errmsg'] ?? '');
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}
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} |