LocalTime

src/chapter5/Example22.java

@@ -0,0 +1,30 @@
+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);
+    }
+}