1 package com.cgcyiliao.admin.util;
 2 
 3 import java.text.SimpleDateFormat;
 4 import java.util.Date;
 5 
 6 public class DateUtil {
 7     /**
 8      * 暂定token有效时长7天
 9      */
10     private static long TOKEN_EFFECTIVE_TIME = (((1000 * 60) * 60) * 24) * 7;// 7天有效期
11 
12     /**
13      * 将时间戳转为指定格式的long类型
14      * 
15      * @return
16      */
17     public static String getStringTimeLong(Long dateLong) {
18         if (Util.isEmpty(dateLong)) return "";
19         SimpleDateFormat simpleDateFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
20         Date date = new Date(dateLong);
21         String dateTime = "";
22         try {
23             dateTime = simpleDateFormat.format(date);
24         } catch (Exception e) {
25             
26         }
27         return dateTime;
28     }
29     
30     /**
31      * 获取当前的时间戳
32      * @return
33      */
34     public static long getNowTime() {
35         return new Date().getTime();
36     }
37     
38     /**
39      * 根据token时间获取有效时长的时间戳
40      * 
41      * @return
42      */
43     public static long getTokenExceedTime() {
44         return getExceedTime(TOKEN_EFFECTIVE_TIME);
45     }
46     
47     private static long getExceedTime(long effectiveTime) {
48         return getNowTime() + effectiveTime;
49     }
50 }