package test.ns; import java.text.ParseException; import java.text.SimpleDateFormat; import java.util.Calendar; import java.util.Date; public class Demo { public static String dayForWeek(String pTime) throws Throwable { SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd"); Date tmpDate = format.parse(pTime); Calendar cal = Calendar.getInstance(); String[] weekDays = { "7", "1", "2", "3", "4", "5", "6" }; try { cal.setTime(tmpDate); } catch (Exception e) { e.printStackTrace(); } int w = cal.get(Calendar.DAY_OF_WEEK) - 1; // 指示一个星期中的某天。 if (w < 0) w = 0; return weekDays[w]; } public static void main(String[] args) throws Throwable { String a = dayForWeek("2017-09-23"); System.out.println(a); } }
原文地址:https://www.cnblogs.com/molecule/p/9270058.html
时间: 2024-10-05 01:08:35