package sms type ( ISys interface { SendCaptcha(mobile string, captcha string) error } ) var ( defsys ISys ) func OnInit(config map[string]interface{}, option ...Option) (err error) { defsys, err = newSys(newOptions(config, option...)) return } func NewSys(option ...Option) (sys ISys, err error) { sys, err = newSys(newOptionsByOption(option...)) return } func SendCaptcha(_email string, _captcha string) error { return defsys.SendCaptcha(_email, _captcha) }