node.js study note 4 use express to write interface, interface cross domain problem, CORS, JSONP interface
1. Use expressions to write interface
1.1 create a basic server
// Import express
const express = require('express')
// Create server instance
const app = express()
app.listen(80,() => {
console.log('express server running at http://127.0.0.1');
})
1.2 create api routing module
// apiRouter. JS (routing module)
const express = ...
Added by wutanggrenade on Mon, 31 Jan 2022 08:59:31 +0200
express custom middleware handles post requests
preface
express's built-in urlencoded () has compatibility problems. We use node's querystring to encapsulate a middleware for processing post requests for ease of use.
1, Built in middleware (common)
Implementation code and notes
const express = require('express');
const app = express();
// Built in middleware common
// express.st ...
Added by accident on Sat, 15 Jan 2022 20:54:46 +0200