CompareVersions returns true if the first field and the third field are equal, otherwise false.

CurrentMicros returns the current microseconds.

CurrentMillis returns the current milliseconds.

Difference in days between two dates.

获取 url参数.

判断 是否为https url格式.

判断 是否为http或https url格式.

NewElapsedTimer returns an ElapsedTimer.

NewUuid returns an uuid string.

Formulate the number of days in the year and month.

An ElapsedTimer is a timer to track the elapsed time.