golang macaron解决跨域

m.Handlers(func(ctx *macaron.Context) {
   ctx.Resp.Header().Set("Access-Control-Allow-Origin","*")
   ctx.Resp.Header().Set("Access-Control-Allow-Headers", "content-type,token")
   ctx.Resp.Header().Set("Access-Control-Allow-Methods", "POST, OPTIONS, GET, PUT")
})