hainan/app/Http/Controllers/Api/LoginController.php

<?php

namespace App\Http\Controllers\Api;

use App\Http\Controllers\Controller;
use App\Models\Agent;
use App\Models\User;
use EasyWeChat\Factory;
use Illuminate\Support\Facades\Cache;

/**
 * 小程序登录
 * Class Login
 * @package App\Http\Controllers\Api
 */
class LoginController extends Controller
{
	public function login()
	{
		$appid = request()->header('appid');
		if (!$appid) {
			return $this->error('appid缺失');
		}
		$agent_id = Agent::where('appid', $appid)->value('id');
		if (!$agent_id) {
			return $this->error('appid无效');
		}

		$code = request()->input('code');
		if (!$code) {
			return $this->error('Invalid code!');
		}

		$agent = Agent::select(['id', 'appid', 'appsecret'])->find($agent_id); //代理商数据

		$config = config('wechat.mini_program.default');
		$config = array_merge($config, [
			'app_id' => $agent['appid'],
			'secret' => $agent['appsecret'],
		]);
		$app = Factory::miniProgram($config);
		$res = $app->auth->session($code);

		if (!isset($res['errcode']) || $res['errcode'] != 0 || empty($res['openid']) || empty($res['unionid'])) {
			$msg = $res['errcode'] ? $res['errcode'] . ': ' : '';
			$msg .= $res['errmsg'] ?? '登录失败';
			return $this->error($msg);
		}

		// TODO 登录部分待优化
		$userModel = new User();
		$userModel->firstOrCreate([
			'openid' => $res['openid'],
			'unionid' => $res['unionid'],
			'agent_id' => $agent_id
		], [
			'nickname' => '未设置昵称',
			'avatar' => '/static/images/avatar.png'
		]);

		//保存session_key
		Cache::put('session_key_' . $userModel->id, $res['session_key']);

		// TODO 用于测试
		$token_key = md5($userModel->id);
		Cache::put($token_key, 1);
		Cache::put($agent['appid'], $agent['id']);
		// 测试代码结束
		return $this->success(['token' => md5($userModel->id)]);
	}
}