package org.lxzn; import org.jeecg.modules.mdc.util.DateUtils; import org.junit.Test; import java.util.ArrayList; import java.util.List; /** * @author: LiuS * @create: 2023-04-20 14:51 */ public class TestOne { @Test public void test01() { String startTime = "2023-04-15"; String endTime = "2023-04-20"; List list = DateUtils.getDatesStringList(DateUtils.getShortDate(startTime), DateUtils.getShortDate(endTime)); System.out.println(list); // SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd"); // Calendar end = Calendar.getInstance(); // Calendar start = Calendar.getInstance(); // try { // end.setTime(format.parse(endTime)); // end.add(Calendar.DAY_OF_MONTH,1); // start.setTime(format.parse(startTime)); // } catch (java.text.ParseException e) { // e.printStackTrace(); // } // System.out.println("startTime: " + start.getTimeInMillis() + " endTime: " + end.getTimeInMillis()); } @Test public void test02() { List list = new ArrayList<>(); list.add("5011"); list.add("5012"); list.add("5013"); list.add("5014"); String join = String.join(",", list); System.out.println(join); } }