时间段获取利器

epmet-module/gov-project/gov-project-server/src/main/java/com/epmet/service/impl/ProjectServiceImpl.java

@@ -71,6 +71,7 @@ import org.springframework.web.multipart.MultipartFile;
 
 
 import javax.servlet.http.HttpServletRequest;
+import java.text.ParseException;
 import java.text.SimpleDateFormat;
 import java.util.*;
 import java.util.function.Function;
@@ -2789,4 +2790,53 @@ public class ProjectServiceImpl extends BaseServiceImpl<ProjectDao, ProjectEntit
 		return baseDao.selectByOriginId(originId);
 	}
 
+
+	/**
+	 * @Description  获取固定时间段之间固定时间的集合
+	 * @param start 开始时间
+	 * @param end 结束时间
+	 * @param interval 间隔时间
+	 * @author zxc
+	 * @date 2021/11/22 3:48 下午
+	 */
+	public static List<String> getIntervalTimeList(String start,String end,Integer interval) {
+		Date startDate = convertStringToDate("HH:mm", start);
+		Date endDate = convertStringToDate("HH:mm", end);
+		List<String> list = new ArrayList<>();
+		while (startDate.getTime() <= endDate.getTime()) {
+			list.add(convertDateToString("HH:mm", startDate));
+			Calendar calendar = Calendar.getInstance();
+			calendar.setTime(startDate);
+			calendar.add(Calendar.MINUTE, interval);
+			if (calendar.getTime().getTime() > endDate.getTime()) {
+				if (!startDate.equals(endDate)) {
+					list.add(convertDateToString("HH:mm", endDate));
+				}
+				startDate = calendar.getTime();
+			} else {
+				startDate = calendar.getTime();
+			}
+
+		}
+		list.remove(list.size() - NumConstant.ONE);
+		list.add(list.size(),"24:00");
+		return list;
+	}
+
+
+	public static Date convertStringToDate(String format, String dateStr) {
+		SimpleDateFormat simpleDateFormat = new SimpleDateFormat(format);
+		try {
+			Date date = simpleDateFormat.parse(dateStr);
+			return date;
+		} catch (ParseException e) {
+			e.printStackTrace();
+		}
+		return null;
+	}
+
+	public static String convertDateToString(String format, Date date) {
+		SimpleDateFormat simpleDateFormat = new SimpleDateFormat(format);
+		return simpleDateFormat.format(date);
+	}
 }