[pkg] io
io @ golang
- func Copy:
func Copy(dst Writer, src Reader) (written int64, err error)
寫檔案 os.WriteFile
os.WriteFile(<filename>, <data>, <permission>)
type user struct {
Username string `json:"username"`
Password string `json:"password"`
}
func main() {
u := user{
Username: "aaron.chen",
Password: "12345678",
}
data, _ := json.Marshal(u)
fmt.Println(string(data))
os.WriteFile("filename.json", data, 0644)
}