package chapter5; import java.time.LocalDateTime; import java.time.format.DateTimeFormatter; public class Example23 { public static void main(String[] args) { // 1. 获取当前时间 LocalDateTime now = LocalDateTime.now(); System.out.println("原格式:" + now); System.out.println("只有日期:" + now.toLocalDate()); System.out.println("只有时间:" + now.toLocalTime()); // 2. getter 方法 System.out.println(now.getYear() +"年" + now.getMonthValue() + "月" + now.getDayOfMonth() + "号 " + now.getHour() + "点" + now.getMinute() + "分" + now.getSecond() + "秒"); // 3. 指定格式 System.out.println("指定格式:" + now.format(DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss"))); } }