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In Express.js I used to have this kind of code:

app.use((req, res, next) => { res.header('Access-Control-Allow-Origin', '*'); res.header('Access-Control-Allow-Headers', 'Origin, X-Requested-With, Content-Type, Accept'); res.header('Access-Control-Allow-Methods', 'POST, GET, PUT, DELETE, OPTIONS'); next(); });

How do I do the same thing with Koa.js? I need to preset these several http headers for each server response.

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84

Finaly I found how to do it.

app.use(async (ctx, next) => { ctx.set('Access-Control-Allow-Origin', '*'); ctx.set('Access-Control-Allow-Headers', 'Origin, X-Requested-With, Content-Type, Accept'); ctx.set('Access-Control-Allow-Methods', 'POST, GET, PUT, DELETE, OPTIONS'); await next(); });
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