示例代码:
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Date;
public class Dept {
public static void main(String[] args) {
getDelTime("2020-12-10", "2021-1-12");
}
public static long getDelTime(String startTime,String endTime){
SimpleDateFormat sdf=new SimpleDateFormat("yyyy-MM-dd");
Date startDate= null;
Date endDate= null;
try {
startDate = sdf.parse(startTime);
endDate = sdf.parse(endTime);
} catch (ParseException e) {
e.printStackTrace();
}
long time = (endDate.getTime() - startDate.getTime()) / (1000 * 60 * 60 * 24);
System.out.println(time);
return time;
}
}
运行结果: