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String year="1970";
String month="1";
String day="1";
String hour="00"; // 24进制
String minute="01";
String second="02";
Calendar c=Calendar.getInstance();
c.set(Integer.parseInt(year), Integer.parseInt(month)-1, Integer.parseInt(day),
Integer.parseInt(hour), Integer.parseInt(minute), Integer.parseInt(second));
long a1=c.getTimeInMillis();
System.out.println(a1);
System.out.println(c.getTime().getTime());
String str = String.format("%tF %<tT", a1);
System.out.println("str:"+str);
import java.text.DateFormat;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.TimeZone;
public class Test {
public static void main(String[] args) {
DateFormat format = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
format.setTimeZone(TimeZone.getTimeZone("GMT"));
Date date = parseDate("1970-01-01 00:01:02", format);
System.out.println(date.getTime());
}
public static Date parseDate(String str, DateFormat format) {
Date date = null;
try {
date = format.parse(str);
} catch (ParseException e) {
e.printStackTrace();
}
return date;
}
}
String yearStr = "2012";
String monthStr = "5";
String dayStr = "10";
String hourStr = "18"; // 24进制
String minuteStr = "2";
String secondStr = "33";
SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
String s= yearStr + "-" + monthStr + "-" + dayStr + " " + hourStr + ":" + minuteStr + ":" + secondStr;
try {
System.out.println(sdf.format(sdf.parse(s)));
System.out.println(sdf.parse(s).getTime());
} catch (ParseException e) {
e.printStackTrace();
}