utils4s包含各种scala通用、好玩的工具库demo和使用文档，通过简单的代码演示和操作文档，各种库信手拈来。
时间操作的示例代码：
package cn.thinkjoy.utils4s.lammaimport io.lamma._/** * test * */object BasicOper { def main(args: Array[String]): Unit = { //============== create date =========== println(Date(2014, 7, 7).toISOString) //2014-07-07 println(Date("2014-07-7").toISOInt) //20140707 println(Date.today()) //============== compare two date =========== println(Date(2014, 7, 7) < Date(2014, 7, 8)) println((2014, 7, 7) <(2014, 7, 8)) println(Date("2014-07-7") > Date("2014-7-8")) println(Date("2014-07-10") - Date("2014-7-8")) // ========== manipulate dates ============= println(Date(2014, 7, 7) + 1) println((2014, 7, 7) + 30) println(Date("2014-07-7") + 1) println(Date("2014-07-7") - 1) println(Date("2014-07-7") + (2 weeks)) println(Date("2014-07-7") + (2 months)) println(Date("2014-07-7") + (2 years)) // ========== week related ops ============ println(Date("2014-07-7").dayOfWeek) //MONDAY println(Date("2014-07-7").withDayOfWeek(Monday).toISOString) //这周的星期一 2014-07-07 println(Date("2014-07-7").next(Monday)) println(Date(2014, 7, 8).daysOfWeek(0)) //默认星期一是一周第一天 // ========== month related ops ============ println(Date("2014-07-7").maxDayOfMonth) println(Date("2014-07-7").lastDayOfMonth) println(Date("2014-07-7").firstDayOfMonth) println(Date("2014-07-7").sameWeekdaysOfMonth) println(Date("2014-07-7").dayOfMonth) // ========== year related ops ============ println(Date("2014-07-7").maxDayOfYear) println(Date("2014-07-7").dayOfYear) }}
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