Java 时间 —— 获取当前年月日

import java.util.Calendar;

public class Main {
  public static void main(String[] args) {
    Calendar cal = Calendar.getInstance();
    int day = cal.get(Calendar.DATE);
    int month = cal.get(Calendar.MONTH) + 1;
    int year = cal.get(Calendar.YEAR);
    int dow = cal.get(Calendar.DAY_OF_WEEK);
    int dom = cal.get(Calendar.DAY_OF_MONTH);
    int doy = cal.get(Calendar.DAY_OF_YEAR);

    System.out.println("Current Date: " + cal.getTime());
    System.out.println("Day: " + day);
    System.out.println("Month: " + month);
    System.out.println("Year: " + year);
    System.out.println("Day of Week: " + dow);
    System.out.println("Day of Month: " + dom);
    System.out.println("Day of Year: " + doy);
  }
}

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SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");

Date currTime = new Date();

int year = currTime.getYear();//年

int month = currTime.getMonth()+1;//月

int week = currTime.getDay(); //星期几

int day = currTime.getDate();//日

String curTime = formatter.format(currTime);