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 Illuminate\Support\Facades\Cache;
use Illuminate\Support\Facades\Http;

/**
 * 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

		$base_url = 'https://api.weixin.qq.com/sns/jscode2session?appid=%s&secret=%s&js_code=JSCODE&grant_type=authorization_code';
		$url = sprintf($base_url, $agent['appid'], $agent['appsecret']);

		$res = Http::get($url)->json();
		if (!array_key_exists('errcode', $res) || $res['errcode'] != 0 || empty($res['openid'])) {
			$msg = $res['errcode'] ? $res['errcode'] . ': ' : '';
			$msg .= $res['errmsg'] ?? '登录失败';
			return $this->error($msg); //TODO 测试时注释掉
		}

		// 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'
		]);

		// 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)]);
	}
}