Java 生成区间内日期

package com.task.tasks;


import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Calendar;
import java.util.Date;
import java.util.List;

/**
 * @ClassName: T2
 * @Author: BlueBlue
 * @Description:
 * @Date: 2022/8/10 0004 17:12
 */
public class T2 {

    public static void main(String[] args) {
        String jobParam = "20220101";
        String endParam = "20220301";
        List<String> duringDay = T2.getDuringDay(jobParam, endParam);
        for (String date:duringDay) {
            System.out.println(date);
        }
    }

    public static List<String> getDuringDay(String jobParam,String endParam){
        List<String> list = new ArrayList<>();
        do{
            Calendar c = Calendar.getInstance();
            Date date=null;
            try {
                date = new SimpleDateFormat("yyyyMMdd").parse(jobParam);
            } catch (ParseException e) {
                e.printStackTrace();
            }

            c.setTime(date);
            jobParam=new SimpleDateFormat("yyyyMMdd").format(c.getTime());
            list.add(jobParam);
            int day=c.get(Calendar.DATE);
            c.set(Calendar.DATE,day+1);

            jobParam=new SimpleDateFormat("yyyyMMdd").format(c.getTime());
        }
        while (jobParam.compareTo(endParam)<0);


        return list;
    }
}

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转载自blog.csdn.net/weixin_52255395/article/details/129988112
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