gateway_koa_ts/src/app.ts

import Koa = require('koa');
import Router = require('@koa/router');
// 美化控制台
import consola = require('consola');
// 解析post的body体
import bodyParser = require('koa-bodyparser');
// 部分安全相关
import helmet = require('koa-helmet');
import controllers = require('./controllers');
import config = require('./config');
import redisMiddleware = require('./middlewares/redis');
import limitMiddleware = require('./middlewares/limit');
import logsMiddleware = require('./middlewares/logs');
import responseMiddleware = require('./middlewares/response');

const app = new Koa();
// app.proxy = true;

/* 中间件 */
// 安全防护
app.use(helmet());
// post params解析
app.use(bodyParser());
// 日志
app.use(logsMiddleware());
// redis
app.use(redisMiddleware());
// 限流
app.use(limitMiddleware());
// 返回体格式
app.use(responseMiddleware());



app.on('error', (err, ctx) => {
  ctx.$response(err, 'error', false);
});

// api 路由
const apiRouter = new Router();
apiRouter.get('/code', controllers.code);

// 主路由
const router = new Router();
router.get('/', controllers.home);
// api路由以/api前缀
router.use('/api', apiRouter.routes(), apiRouter.allowedMethods());

app.use(router.routes()).use(router.allowedMethods());

const port = config.port;
app.listen(port, () => {
  consola.success(`server is started at: http://localhost:${port}`)
});