以下代码只返回相差秒数的"分钟部分",如果想得到总秒数,应该这样计算:
long diffSeconds = diff / 1000;
旧版的java.util.Date
import java.util.Date;
import java.text.SimpleDateFormat;
public class Main {
public static void main(String[] args) throws Exception {
SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
Date date1 = sdf.parse("2020-01-01 00:00:00");
Date date2 = sdf.parse("2020-01-02 00:00:00");
long diff = date2.getTime() - date1.getTime();
long diffSeconds = diff / 1000 % 60;
System.out.println("相差秒数: " + diffSeconds);
}
}
新版本 Java
import java.time.LocalDateTime;
import java.time.Duration;
public class Main {
public static void main(String[] args) {
// 创建两个 LocalDateTime 对象
LocalDateTime dateTime1 = LocalDateTime.of(2020, 1, 1, 0, 0);
LocalDateTime dateTime2 = LocalDateTime.now();
// 使用 Duration.between() 方法计算两个时间点之间的时间差
Duration duration = Duration.between(dateTime1, dateTime2);
// 输出相差的秒数
long seconds = duration.getSeconds();
System.out.println("相差秒数: " + seconds);
}
}
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