一.params关键字 在C#中如果给方法的参数加上关键字params则会形成可变参数,在传递时可以是0-n个对象. 示例: using System; using System.Collections.Generic; using System.ComponentModel; using System.Data; using System.Drawing; using System.Linq; using System.Text; using System.Windows.Forms; nam
create or replace function get_workday(starTime in date,endTime in date) return number is Weekends number; Holidays number; Workdays number; begin --统计开始到结束有几天周末 select count(*) into Weekends from( SELECT TO_CHAR (TRUNC (starTime, 'DD') - 1 + ROWNUM,