java.time.LocalDate.adjustInto() 方法示例 java.time.Instant.with(TemporalField field, long newValue) java.time.LocalDate.atStartOfDay() 方法示例 java.time.LocalDate.adjustInto() 方法示例 package com.codingdict; import java.time.LocalDate; import java.time.ZonedDateTime; public class LocalDateDemo { public static void main(String[] args) { ZonedDateTime date = ZonedDateTime.now(); System.out.println(date); LocalDate date1 = LocalDate.parse("2017-02-03"); date = (ZonedDateTime)date1.adjustInto(date); System.out.println(date); } } java.time.Instant.with(TemporalField field, long newValue) java.time.LocalDate.atStartOfDay() 方法示例