代码语言：javascript复制
const Koa = require('koa');
const route = require('koa-route');
const app = new Koa();
const about = ctx => {
ctx.response.body = 'Hello World111';
};
const main = ctx => {
ctx.response.body = 'Hello World222';
};
const details = (ctx,id) => {
ctx.response.body = id 'Hello World222';
};
app.use(route.get('/', main));
app.use(route.get('/about', about));
app.use(route.get('/details/:id', details)); //参数一定要写在斜杠冒号后面
// app.use(main);
app.listen(3000);
