P粉3402642832023-08-19 00:12:20
$ npm install cors
var express = require('express') var cors = require('cors') var app = express() app.use(cors()) app.get('/products/:id', function (req, res, next) { res.json({msg: 'This is CORS-enabled for all origins!'}) }) app.listen(80, function () { console.log('CORS-enabled web server listening on port 80') })
更多詳細資訊請參閱: https://www.npmjs.com/package/cors
#注意: CORS必須在執行API的伺服器上啟用。您無法在客戶端程式碼中啟用此功能。如果API支援CORS,則瀏覽器將發起請求