Java 13位时间戳转换日期格式

Posted 2022-11-30 banml

1 import java.text.ParseException;
 2 import java.text.SimpleDateFormat;
 3 import java.util.Date;
 4
 5 public class DateUtil 
 6    
 7     private static SimpleDateFormat sf = null;
 8    
 9     /**
10      * 获取系统时间 
11      */
12     public static String getCurrentDate() 
13         Date d = new Date();
14          sf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
15         return sf.format(d);
16     
17                                      
18     /**
19      * 时间戳转换成字符串
20      */
21     public static String getDateToString(long time) 
22         Date d = new Date(time);
23         sf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
24         return sf.format(d);
25     
26
27     /**
28      * 将字符串转为时间戳
29      */
30     public static long getStringToDate(String time) 
31         sf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
32         Date date = new Date();
33         try
34             date = sf.parse(time);
35          catch(ParseException e) 
36             e.printStackTrace();
37         
38         return date.getTime();
39     
40    
41     /**
42      * 直接获取时间戳
43      */
44     public static String getTimeStamp() 
45         String currentDate = getCurrentDate();
46         sf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
47         Date date = new Date();
48         try
49             date = sf.parse(currentDate);
50          catch(ParseException e) 
51             e.printStackTrace();
52         
53         return String.valueOf(date.getTime());
54     
55    
56