实例讲解String Date Calendar之间的转换
1.Calendar 转化 String
Calendar calendat = Calendar.getInstance(); SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd"); String dateStr = sdf.format(calendar.getTime());
2.String 转化Calendar
String str="2012-5-27"; SimpleDateFormat sdf= new SimpleDateFormat("yyyy-MM-dd"); Date date =sdf.parse(str); Calendar calendar = Calendar.getInstance(); calendar.setTime(date);
3.Date 转化String
SimpleDateFormat sdf= new SimpleDateFormat("yyyy-MM-dd"); String dateStr=sdf.format(new Date());
4.String 转化Date
String str="2012-5-27"; SimpleDateFormat sdf= new SimpleDateFormat("yyyy-MM-dd"); Date date= sdf.parse(str);
5.Date 转化Calendar
Calendar calendar = Calendar.getInstance(); calendar.setTime(new java.util.Date());
6.Calendar转化Date
Calendar calendar = Calendar.getInstance(); java.util.Date date =calendar.getTime();
7.String 转成 Timestamp
Timestamp ts = Timestamp.valueOf("2012-1-14 08:11:00");
8.Date 转 TimeStamp
SimpleDateFormat df = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss"); String time = df.format(new Date()); Timestamp ts = Timestamp.valueOf(time);
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