5f5c0759ce
1. 修改 SysNotification 实体，新增 senderId, senderName, targetType 字段 2. 新增 SendNotificationRequest 请求DTO 3. 扩展通知类型至6种（新增用户通知、课程通知） 4. 实现角色层级权限控制，支持多级管理员通知下级 5. 支持老师群发课程通知给学生 6. 新增批量发送接口和权限配置
45 lines
1.3 KiB
Java
45 lines
1.3 KiB
Java
package art.kexue.sxwz.common.util;
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import java.text.DateFormat;
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import java.text.SimpleDateFormat;
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import java.util.ArrayList;
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import java.util.Calendar;
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import java.util.Date;
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import java.util.List;
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/**
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* @Description: 日期工具类
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**/
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public class DateUtil {
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public static Date getDateAdd(int days){
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SimpleDateFormat sf = new SimpleDateFormat("yyyy-MM-dd");
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Calendar c = Calendar.getInstance();
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c.add(Calendar.DAY_OF_MONTH, -days);
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return c.getTime();
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}
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public static List<String> getDaysBetwwen(int days){
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List<String> dayss = new ArrayList<>();
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Calendar start = Calendar.getInstance();
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start.setTime(getDateAdd(days));
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Long startTIme = start.getTimeInMillis();
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Calendar end = Calendar.getInstance();
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end.setTime(new Date());
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Long endTime = end.getTimeInMillis();
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Long oneDay = 1000 * 60 * 60 * 24l;
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Long time = startTIme;
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while (time <= endTime) {
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Date d = new Date(time);
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DateFormat df = new SimpleDateFormat("yyyy-MM-dd");
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dayss.add(df.format(d));
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time += oneDay;
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}
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return dayss;
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}
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/*public static void main(String[] args) {
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System.out.println(getDaysBetwwen(7));
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}*/
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}
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