time.Now()time.Time*time.Time
&time.Now()
time.Time
var t = time.Now()
payload:= &device.Payload{
Timestamp: &t,
}
time.Time
func timePtr(t time.Time) *time.Time {
return &t
}
payload:= &device.Payload{
Timestamp: timePtr(time.Now()),
}

有关详细信息和其他选项,请参阅如何在 Go 中执行文字 *int64?

encoding/jsontime.Timetime.TimeTime.IsZero()