javascript 如何解决Express中的CORS问题？

Posted 2021-05-03

// In the entry file often index.js or app.js

const express = require('express')
const app = express()

app.use((req, res, next) => {
  res.setHeader('Access-Control-Allow-Origin', '*') // The second parámeter could be a list of domains
  res.setHeader('Access-Control-Allow-Methods', 'GET, POST, PUT, PATCH, DELETE')
  res.setHeader('Access-Control-Allow-Headers', 'Content-Type, Authorization')
  next()
})