~~~ const express = require('express'); const app = express() const router = express.Router(); app.use((req, res, next) => { res.header('Access-Control-Allow-Origin', '*'); res.header('Access-Control-Allow-Headers', 'X-API-KEY, Origin, X-Requested-With, Content-Type, Accept, Access-Control-Request-Method, Authorization, Database'); res.header('Access-Control-Allow-Methods', 'GET, POST, OPTIONS, PUT, DELETE'); res.header('Allow', 'GET, POST, OPTIONS, PUT, DELETE'); next(); }); router.get('/', (req, res) => { res.send({ name: "chengchao" }) }).get('/detail', (req, res) => { res.send('detail') }) app.use(router); app.listen(8080) ~~~