31 lines
1.1 KiB
Java
31 lines
1.1 KiB
Java
package chapter5;
|
||
|
||
import java.time.LocalTime;
|
||
import java.time.format.DateTimeFormatter;
|
||
|
||
public class Example22 {
|
||
public static void main(String[] args) {
|
||
// 1. 获取当前时间
|
||
LocalTime now = LocalTime.now();
|
||
// 2. 表示过去时间
|
||
LocalTime of = LocalTime.of(9, 23, 23);
|
||
// 3. 三个getter
|
||
System.out.println("时：" + now.getHour());
|
||
System.out.println("分：" + now.getMinute());
|
||
System.out.println("秒：" + now.getSecond());
|
||
|
||
// 4. 格式转换，借助 DateTimeFormatter
|
||
System.out.println("\nnow默认格式：" + now);
|
||
System.out.println("不显示微秒：" + now.withNano(0));
|
||
System.out.println("转换格式：" + now.format(DateTimeFormatter.ofPattern("HH:mm:ss")));
|
||
System.out.println("转换格式：" + now.format(DateTimeFormatter.ofPattern("HH点mm分ss秒")));
|
||
|
||
// 5. 判断
|
||
System.out.println("\nof在now之前吗？" + of.isBefore(now));
|
||
|
||
// 6. 解析字符串
|
||
LocalTime time = LocalTime.parse("12:15:30");
|
||
System.out.println("将字符串转换成时间对象：" + time);
|
||
}
|
||
}
|