localdatetime获取本周第一天

import java.time.DayOfWeek;
import java.time.LocalDateTime;
import java.time.temporal.TemporalAdjusters;

public class Main {
    public static void main(String[] args) {
        // 获取当前日期时间
        LocalDateTime now = LocalDateTime.now();
        
        // 获取本周的第一天（星期一）
        LocalDateTime firstDayOfWeek = now.with(TemporalAdjusters.firstDayOfWeek());
        
        System.out.println("本周第一天（星期一）: " + first dayOfWeek);
    }
}

import java.time.DayOfWeek;
import java.time.ZoneId;
import java.time.ZonedDateTime;
import java.time.temporal.TemporalAdjusters;

public class Main {
    public static void main(String[] args) {
        // 获取当前日期时间（带时区）
        ZonedDateTime now = ZonedDateTime.now(ZoneId.systemDefault());
        
        // 获取本周的第一天（星期一）
        ZonedDateTime firstDayOfWeek = now.with(TemporalAdjusters.firstDayOfWeek());
        
        System.out.println("本周第一天（星期一）: " + firstDayOfWeek);
    }
}