根据员工入职时间和合同期计算下一次合同签订时间

待我称王封你为后i 2021-12-20 05:45 322阅读 0赞

1 import java.text.SimpleDateFormat;
     2 import java.util.Calendar;
     3 import java.util.Date;
     4 import java.util.GregorianCalendar;
     5 import java.util.Scanner;
     6 
     7 public class ContractDate {
         
     8 
     9     /**
    10      * @param args
    11      *            2 根据员工入职时间和合同期计算下一次合同签订时间
    12      *             a 入职时间为指定格式字符串 
    13      *             b 合同期单位为月 
    14      *             c下次合同签订时间为到期前一个月份的工作日（遇到周六，周日顺延到下周一） 
    15      *             d 返回值为指定格式的字符串
    16      * @throws Exception
    17      */
    18     public static void main(String[] args) throws Exception {
         
    19         // TODO Auto-generated method stub
    20         Scanner console = new Scanner(System.in);
    21         System.out.println("请输入入职时间：");
    22         String str = console.nextLine();
    23 
    24         Scanner sc = new Scanner(System.in);
    25         System.out.println("请输入合同期（单位：月）：");
    26         int contractMonths = sc.nextInt();
    27         String exp = agreement(str, contractMonths);
    28         System.out.println("签订日期为：" + exp);
    29     }
    30 
    31     public static String agreement(String str, int contractMonths)
    32             throws Exception {
         
    33         SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
    34         // 将字符串形式的日期转化为Date格式的日期
    35         Date d = sdf.parse(str);
    36         Date date = expDate(d, contractMonths);
    37         String exp = sdf.format(date);
    38         return exp;
    39     }
    40 
    41     @SuppressWarnings("unused")
    42     public static Date expDate(Date entryDay, int months) {
         
    43         Calendar cal = new GregorianCalendar();
    44         cal.setTime(entryDay);
    45         cal.add(Calendar.MONTH, months);
    46         cal.add(Calendar.MONTH, -1);
    47         //测试  合同到期前一个月的日期为一个星期的第几天
    48         System.out.println(cal.get(Calendar.DAY_OF_WEEK));
    49         int dayOfWeek=cal.get(Calendar.DAY_OF_WEEK);
    50         //测试   星期天为第几天
    51         System.out.println(Calendar.SUNDAY);
    52 //        if (dayOfWeek== Calendar.SUNDAY || dayOfWeek == Calendar.SATURDAY) {
         
    53 //            cal.add(Calendar.WEEK_OF_MONTH, 1);
    54 //            cal.set(Calendar.DAY_OF_WEEK, 0);
    55 //            date = cal.getTime();
    56 //        } else
    57 //            date = cal.getTime();
    58         int plus = 0;
    59         if(dayOfWeek == Calendar.SUNDAY){
         
    60             plus = 1;
    61         }else if(dayOfWeek == Calendar.SATURDAY){
         
    62             plus = 2;
    63         }
    64         cal.add(Calendar.DATE, plus);
    65         Date date=cal.getTime();
    66         return date;
    67     }

转载于:https://www.cnblogs.com/superjt/archive/2011/07/26/2117633.html