增加登录控制器

app/Http/Controllers/Api/LoginController.php

@@ -0,0 +1,56 @@
+<?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'])) {
+			$res['openid'] = session_create_id();
+//			return $this->error($res['errmsg'] ?? 'login fail!'); TODO 测试时注释掉
+		}
+
+		// TODO 登录部分待优化
+		$userModel = new User();
+		$userModel->firstOrCreate(['openid' => $res['openid'], '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)]);
+	}
+}