不是setHeader,只是header
export function headers (req, res, next){
res.header("Access-Control-Allow-Origin", "http://localhost:3000");
res.header("Access-Control-Allow-Credentials", "true");
res.header("Access-Control-Allow-Methods", "OPTIONS,HEAD,GET,PUT,POST,PATCH");
res.header("Accept-Language", "es, en");
res.header(
"Content-Security-Policy",
"default-src 'self'; base-uri: 'self'; strict-dynamic 'self'; manifest-src 'self'; script-src 'self'; style-src 'self'"
);
res.header(
"Access-Control-Allow-Headers",
"Origin, Csrf-Token, Accept-Language, Content-Type, Accept, Range"
);
next();
}
....
express.use(headers);
有一个包叫头盔,这是任何快递应用程序的必备品