Java时间

package integral;

import java.text.DateFormat;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;
import java.util.GregorianCalendar;
import java.util.Locale;

public class TimeApi {
	
	
	
	
	public static void main(String[] args) {
		/*DateFormat df = DateFormat.getDateInstance(0,Locale.JAPAN);
		System.out.println();
		System.out.println(df.format(System.currentTimeMillis()));*/
		String[] monthArray = {"一月","二月","三月","四月","五月","六月","七月","八月","九月","十月","十一月","十二月"};
		//这个是一个单列
		Calendar calendar = Calendar.getInstance();
		int month = calendar.get(Calendar.MONTH);
		System.out.println(monthArray[month]);
		Calendar calendar1 = new GregorianCalendar();
		calendar1.setTime(new Date());
		System.err.println(calendar1);
		calendar1.setTimeInMillis(System.currentTimeMillis());
		System.out.println(calendar1);
		//自定义时间
		Calendar calendar2 = new GregorianCalendar(2019,5,6,19,32,20);
		DateFormat df = new SimpleDateFormat("yyyy年MM月dd日 hh时mm分ss秒 E",Locale.CHINA);
		System.out.println(df.format(calendar2.getTime()));
		//获取年，月，日，时，分，秒，星期
		System.out.println("年："+calendar2.get(Calendar.YEAR)+"  月："+calendar2.get(Calendar.MONTH)+"  日："
		+calendar2.get(Calendar.DAY_OF_MONTH)+"  星期："+calendar2.get(Calendar.DAY_OF_WEEK_IN_MONTH)+"  时："+calendar2.get(Calendar.HOUR)
		+"  分："+calendar2.get(Calendar.MINUTE)+"  秒："+calendar2.get(Calendar.SECOND));
		
		
	}
}