server.js

const Koa = require("koa");
const Router = require("@koa/router");
const path = require("path");
const static = require("koa-static");
const bodyParser = require("koa-bodyparser");
const koalogger = require("koa-logger");
const ROOT = path.resolve(process.cwd(), "./");
const { accessLogger, logger } = require(path.resolve(ROOT, "./util/logger"));
const { connectMySQL } = require(path.resolve(ROOT, "./util/db"));
const { handleGlobalError, logClientDevices } = require(path.resolve(
  ROOT,
  "./middleware"
));

const index = require(path.resolve(ROOT, "./routes/index"));
const uuid = require(path.resolve(ROOT, "./routes/uuid"));
const todoList = require(path.resolve(ROOT, "./routes/todoList"));

const app = new Koa();
const router = new Router();

app.use(accessLogger());
app.use(koalogger());
app.use(static(path.resolve(__dirname, "./public")));
app.use(bodyParser());
app.use(handleGlobalError);
app.use(logClientDevices);

// 加载所有子路由
router.use("/", index.routes(), index.allowedMethods());
router.use("/api", uuid.routes(), uuid.allowedMethods());
router.use("/api", todoList.routes(), todoList.allowedMethods());
// 加载路由中间件
app.use(router.routes()).use(router.allowedMethods());

app.on("error", function (err) {
  console.log("logging error ", err.message);
  logger.error("logging error " + err.message);
});

app.listen(4000, async () => {
  console.log("====your app is running at port 4000=====");

  await connectMySQL();
});