java获取指定日期为节假日还是工作日
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2022-03-03 10:03:29
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package com.ideal.test.utils;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Arrays;
import java.util.Calendar;
import java.util.Date;
import java.util.List;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
/**
* 日期日历工具类(获取法定节假日、休息日、周末天数)
* @author Administrator
*
*/
public class ChineseCalendarUtils {
// 法律规定的放假日期
private List<String> lawHolidays = Arrays.asList("2017-12-30","2017-12-31",
"2018-01-01","2018-02-15","2018-02-16","2018-02-17","2018-02-18",
"2018-02-19","2018-02-20","2018-02-21","2018-04-05","2018-04-06",
"2018-04-07","2018-04-29","2018-04-30","2018-05-01","2018-06-16",
"2018-06-17","2018-06-18","2018-09-22","2018-09-23","2018-09-24",
"2018-10-01","2018-10-02","2018-10-03","2018-10-04","2018-10-05",
"2018-10-06","2018-10-07");
// 由于放假需要额外工作的周末
private List<String> extraWorkdays =Arrays.asList("2018-02-11","2018-02-24",
"2018-04-08","2018-04-28","2018-09-29","2018-09-30");
/**
* 判断是否是法定假日
*
* @param calendar
* @return
* @throws Exception
*/
public boolean isLawHoliday(String calendar) throws Exception {
this.isMatchDateFormat(calendar);
if (lawHolidays.contains(calendar)) {
return true;
}
return false;
}
/**
* 判断是否是周末
*
* @param calendar
* @return
* @throws ParseException
*/
public boolean isWeekends(String calendar) throws Exception {
this.isMatchDateFormat(calendar);
// 先将字符串类型的日期转换为Calendar类型
SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
Date date = sdf.parse(calendar);
Calendar ca = Calendar.getInstance();
ca.setTime(date);
if (ca.get(Calendar.DAY_OF_WEEK) == 1
|| ca.get(Calendar.DAY_OF_WEEK) == 7) {
return true;
}
return false;
}
/**
* 判断是否是需要额外补班的周末
*
* @param calendar
* @return
* @throws Exception
*/
public boolean isExtraWorkday(String calendar) throws Exception {
this.isMatchDateFormat(calendar);
if (extraWorkdays.contains(calendar)) {
return true;
}
return false;
}
/**
* 判断是否是休息日(包含法定节假日和不需要补班的周末)
*
* @param calendar
* @return
* @throws Exception
*/
public boolean isHoliday(String calendar) throws Exception {
this.isMatchDateFormat(calendar);
// 首先法定节假日必定是休息日
if (this.isLawHoliday(calendar)) {
return true;
}
// 排除法定节假日外的非周末必定是工作日
if (!this.isWeekends(calendar)) {
return false;
}
// 所有周末中只有非补班的才是休息日
if (this.isExtraWorkday(calendar)) {
return false;
}
return true;
}
/**
* 使用正则表达式匹配日期格式
*
* @throws Exception
*/
private void isMatchDateFormat(String calendar) throws Exception {
Pattern pattern = Pattern.compile("\\d{4}-\\d{2}-\\d{2}");
Matcher matcher = pattern.matcher(calendar);
boolean flag = matcher.matches();
if (!flag) {
throw new Exception("输入日期格式不正确,应该为2017-12-19");
}
}
public static void main(String[] args) throws Exception {
String calendar = "2018-01-01";
ChineseCalendarUtils cc = new ChineseCalendarUtils();
System.out.println("是否是法定节假日:" + cc.isLawHoliday(calendar));
System.out.println("是否是周末:" + cc.isWeekends(calendar));
System.out.println("是否是需要额外补班的周末:" + cc.isExtraWorkday(calendar));
System.out.println("是否是休息日:" + cc.isHoliday(calendar));
}
}
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