* @description: Return Add Month To Time String For Month @param month: time string @param layout: time format e.g.

* @description: Return Time Day's Timespan @param tm: Time @return: timespan */.

* @description: Return Time Year's Timespan @param date: time string @param format: time format @return: timespan */.

* @description: Return First Day And Last Day of Month @param month: time string @param layout: time format e.g.

* @description: Return First Day And Last Day of Week @param date: timespan @return: Week's First TimeSpan and Last TimeSpan */.

* @description: Return First Day And Last Day of Year @param month: time string @param layout: time format e.g.

* @description: Return First Day of Month @param month: time string @param layout: time format e.g.

* @description:Float64 To String @param f: Float64 @return: string */.

* @description: FormatDate By dateStyle @param date: time @param dateStyle: dateStyle @return: Format String */.

* @description: Get UUID @param : None @return: string */.

* @description: Get 32 byte MD5 @param s: string @return: string */.

* @description: Return Last Day of Month @param month: time string @param layout: time format e.g.

* @description: Return Time Month's Timespan @param tm: Time @return: timespan */.

* @description:Add Pad At The Start of String Util The Length of String Equals length @param str: The Original String @param pad: The Added String @param length: total length of string @return: string */.

* @description:Add Pad At The End of String Util The Length of String Equals length @param str: The Original String @param pad: The Added String @param length: total length of string @return: string */.

* @description: String To Float64 @param s: string @return: Float64 */.

* @description: Return Timespan's Format String @param ts: timespasn @param format: time format e.g.

* @description: Return Time Year's Timespan @param tm: Time @return: timespan */.