NextJS api跨域方式
参考官方文档：https://github.com/vercel/next.j ... s/pages/api/cors.tsimport type { NextApiRequest, NextApiResponse } from 'next'import Cors from 'cors'
// Initializing the cors middleware
// You can read more about the available options here: https://github.com/expressjs/cors#configuration-options
const cors = Cors({
methods: ['POST', 'GET', 'HEAD'],
})
// Helper method to wait for a middleware to execute before continuing
// And to throw an error when an error happens in a middleware
function runMiddleware(
req: NextApiRequest,
res: NextApiResponse,
fn: Function
) {
return new Promise((resolve, reject) => {
fn(req, res, (result: any) => {
if (result instanceof Error) {
return reject(result)
}
return resolve(result)
})
})
}
export default async function handler(
req: NextApiRequest,
res: NextApiResponse
) {
// Run the middleware
await runMiddleware(req, res, cors)
// Rest of the API logic
res.json({ message: 'Hello Everyone!' })
}
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