72 lines
2.4 KiB
TypeScript
72 lines
2.4 KiB
TypeScript
import { NestFactory } from '@nestjs/core';
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import { AppModule } from './app.module';
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import * as mysql from 'mysql2/promise';
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import { ConfigService } from '@nestjs/config';
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import * as dotenv from 'dotenv';
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import { HttpExceptionFilter } from './common/filters/http-exception.filter';
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import { TransformInterceptor } from './common/interceptors/transform.interceptor';
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import * as bodyParser from 'body-parser';
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dotenv.config();
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// 创建数据库的函数
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async function createDatabaseIfNotExists() {
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try {
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// 连接 MySQL（不指定数据库）
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const connection = await mysql.createConnection({
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host: process.env.SERVER_HOST,
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user: process.env.SERVER_USER,
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password: process.env.PASSWORD,
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});
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console.log('🔌 连接到 MySQL 服务器成功');
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// 创建数据库（如果不存在）
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await connection.query('CREATE DATABASE IF NOT EXISTS auth_db');
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console.log('✅ 数据库 auth_db 创建成功或已存在');
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await connection.end();
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console.log('🔌 关闭数据库连接');
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} catch (error) {
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console.error('❌ 创建数据库失败:', error);
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throw error;
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}
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}
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async function bootstrap() {
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try {
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// 1. 首先创建数据库
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await createDatabaseIfNotExists();
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// 2. 然后启动 Nest 应用（此时数据库已存在）
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console.log('🚀 启动 NestJS 应用...');
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const app = await NestFactory.create(AppModule);
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const configService = app.get(ConfigService); // 获取 ConfigService 实例
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app.enableCors({
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origin: ['http://108.171.193.155:8000', 'http://localhost:8000'], // 指定允许的前端地址
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credentials: true, // 允许携带凭证
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methods: ['GET', 'POST', 'PUT', 'DELETE', 'OPTIONS', 'PATCH'], // 允许的 HTTP 方法
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allowedHeaders: ['Content-Type', 'Authorization', 'Accept', 'Origin', 'Referer', 'User-Agent'], // 允许的请求头
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});
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// 注册全局异常过滤器
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app.useGlobalFilters(new HttpExceptionFilter());
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// 注册全局响应转换拦截器
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app.useGlobalInterceptors(new TransformInterceptor());
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// 使用 NestJS 内置方法设置限制
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app.use(bodyParser.json({ limit: '50mb' }));
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app.use(bodyParser.urlencoded({ limit: '50mb', extended: true }));
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await app.listen(3030);
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console.log('✅ 应用启动成功，监听端口 3030');
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} catch (error) {
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console.error('❌ 应用启动失败:', error);
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process.exit(1);
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}
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}
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bootstrap();
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