样机小程序
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<?php
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namespace app\common\service;
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use app\common\model\User;
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use EasyWeChat\MiniApp\Application as xcxApplication;
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use EasyWeChat\OpenPlatform\Application;
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use support\Redis;
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use GuzzleHttp\Client;
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use support\exception\BusinessException;
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class WechatService
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{
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protected array $web;
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protected array $mini;
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protected array $login;
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protected $app;
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public function __construct()
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{
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$cfg = config('wechat');
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$this->web = $cfg['web'];
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$this->mini = $cfg['mini'];
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$this->login = $cfg['login'];
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}
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/**
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* 获取微信二维码
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*/
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public function makeQrUrl()
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{
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try {
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$state = bin2hex(random_bytes(16));
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$ttl = (int)($this->login['state_ttl'] ?? 300);
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// 记录 state
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Redis::setEx("wx:login:state:$state", $ttl, json_encode([
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'redirect' => $this->web['redirect'],
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'ts' => time(),
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], JSON_UNESCAPED_UNICODE));
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// 组装跳转地址
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$qrUrl = sprintf(
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'https://open.weixin.qq.com/connect/qrconnect?appid=%s&redirect_uri=%s&response_type=%s&scope=%s&state=%s#wechat_redirect',
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$this->web['app_id'],
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urlencode($this->web['redirect']),
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'code',
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'snsapi_login',
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$state,
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);
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$data = [
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'state' => $state,
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'qr_url' => $qrUrl
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];
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return $data;
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} catch (\Throwable $th) {
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// var_dump($th->getFile().'|'.$th->getLine().'|'.$th->getMessage());
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throw new BusinessException('获取微信二维码失败');
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}
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}
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/**
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* 获取微信access_token
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*/
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public function wechatWebAccessToken(string $code, string $state): array
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{
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try {
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// 校验 state
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$stateJson = Redis::get("wx:login:state:$state");
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if (!$stateJson) {
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throw new \RuntimeException('state 已过期或无效');
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}
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// 拼接地址
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$tokenUrl = sprintf(
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'https://api.weixin.qq.com/sns/oauth2/access_token?appid=%s&secret=%s&code=%s&grant_type=authorization_code',
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$this->web['app_id'],
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$this->web['app_secret'],
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$code
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);
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// code 换 token
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$token = $this->httpGetJson($tokenUrl);
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if (!isset($token['access_token'], $token['openid'])) {
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throw new \RuntimeException('换取 access_token 失败：'. json_encode($token, JSON_UNESCAPED_UNICODE));
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}
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return $token;
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} catch (\Throwable $th) {
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throw new BusinessException('获取 access_token 失败');
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}
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}
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/**
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* 获取微信用户信息
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*
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* @param array $token
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* @return array
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*/
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public function wechatWebUserInfo(array $accessToken): array
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{
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try {
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// 拉取用户信息
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return $this->httpGetJson(sprintf(
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'https://api.weixin.qq.com/sns/userinfo?access_token=%s&openid=%s',
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$accessToken['access_token'],
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$accessToken['openid']
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));
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} catch (\Throwable $th) {
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// var_dump($th->getFile().'|'.$th->getLine().'|'.$th->getMessage());
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throw new BusinessException('获取用户信息失败');
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}
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}
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/**
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* tools - httpGetJson
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*/
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protected function httpGetJson(string $url): array
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{
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$client = new Client([
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'verify' => false, // 禁用 SSL 验证
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'timeout' => 10,
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]);
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$json = $client->get($url)->getBody()->getContents();
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return json_decode($json, true) ?: [];
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}
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//----------------------------小程序登录----------------------------------------
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/**
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* 获取 openid / session_key
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* @param $code
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* @return mixed
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*/
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public function miniCode2Session($code)
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{
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$appid = $this->mini['app_id'];
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$secret = $this->mini['app_secret'];
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$url = "https://api.weixin.qq.com/sns/jscode2session?appid=$appid&secret=$secret&js_code=$code&grant_type=authorization_code";
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return json_decode(file_get_contents($url), true);
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}
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/**
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* 获取 access_token
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* @return mixed
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*/
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public function getMiniAccessToken()
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{
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$appid = $this->mini['app_id'];
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$secret = $this->mini['app_secret'];
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$url = "https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=$appid&secret=$secret";
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return json_decode(file_get_contents($url), true);
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}
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/**
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* 调用微信接口取手机号
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* @param $access_token
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* @param $phone_code
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* @return mixed
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*/
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public function getMiniPhoneNumber($access_token, $phone_code)
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{
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$url = "https://api.weixin.qq.com/wxa/business/getuserphonenumber?access_token={$access_token}";
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$data = json_encode([
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'code' => $phone_code
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]);
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$options = [
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'http' => [
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'header' => "Content-type: application/json",
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'method' => 'POST',
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'content' => $data,
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],
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];
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return json_decode(file_get_contents($url, false, stream_context_create($options)), true);
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}
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/**
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* 小程序获取openid
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* @param string $code
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* @return array
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* @throws BusinessException
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*/
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public function xcxOpenid(string $code): array
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{
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$config = [
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'app_id' => getenv('WECHAT_MINI_APPID'),
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'secret' => getenv('WECHAT_MINI_SECRET'),
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'response_type' => 'array',
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'log' => [
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'level' => 'debug',
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'file' => runtime_path().'/mzl/wechat.log',
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]
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];
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// 创建微信小程序对象
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$wechat = new xcxApplication($config);
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// 获取 session_key 和 openid
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return $wechat->getUtils()->codeToSession($code);
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}
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/**
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* 小程序获取手机号
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* @param string $phone_code
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* @return mixed
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* @throws BusinessException
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*/
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public function xcxPhoneNumber(string $phone_code)
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{
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$config = [
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'app_id' => getenv('WECHAT_MINI_APPID'),
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'secret' => getenv('WECHAT_MINI_SECRET'),
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'response_type' => 'array',
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'log' => [
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'level' => 'debug',
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'file' => runtime_path().'/mzl/wechat.log',
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]
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];
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// 创建微信小程序对象
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$wechat = new xcxApplication($config);
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// getPhoneNumber
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$data = ['code' => $phone_code];
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$result = $wechat->getClient()->postJson('wxa/business/getuserphonenumber', $data);
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if (isset($result['phone_info'])) {
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// 业务处理 $result['phone_info']['phoneNumber']
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return $result;
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} else {
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throw new BusinessException($result['errmsg']);
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}
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}
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}
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