java.time.LocalDate.withDayOfMonth() 方法示例 java.time.LocalDate.with(TemporalField field, long newValue) java.time.LocalDate.withDayOfYear() 方法示例 java.time.LocalDate.withDayOfMonth() 方法示例 package com.codingdict; import java.time.LocalDate; public class LocalDateDemo { public static void main(String[] args) { LocalDate date = LocalDate.parse("2017-01-03"); LocalDate result = date.withDayOfMonth(13); System.out.println(result); } } java.time.LocalDate.with(TemporalField field, long newValue) java.time.LocalDate.withDayOfYear() 方法示例