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  • Java中Date日期字符串格式的各种转换

    public class DateParserT {  
            /**
             * Date 与  String、long 的相互转换
             * @param args
             */  
            public static void main(String[] args) {  
                  
                Date dt =new Date();  
                System.out.println(dt); //格式: Wed Jul 06 09:28:19 CST 2016  
                  
                //格式:2016-7-6  
                String formatDate = null;  
                formatDate = DateFormat.getDateInstance().format(dt);  
                System.out.println(formatDate);    
                  
                //格式:2016年7月6日 星期三  
                formatDate = DateFormat.getDateInstance(DateFormat.FULL).format(dt);  
                System.out.println(formatDate);  
                  
                //格式 24小时制:2016-07-06 09:39:58  
                DateFormat dFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss"); //HH表示24小时制;  
                formatDate = dFormat.format(dt);  
                System.out.println(formatDate);  
                  
                //格式12小时制:2016-07-06 09:42:44  
                DateFormat dFormat12 = new SimpleDateFormat("yyyy-MM-dd hh:mm:ss"); //hh表示12小时制;  
                formatDate = dFormat12.format(dt);  
                System.out.println(formatDate);  
                  
                //格式去掉分隔符24小时制:20160706094533  
                DateFormat dFormat3 = new SimpleDateFormat("yyyyMMddHHmmss");  
                formatDate = dFormat3.format(dt);  
                System.out.println(formatDate);  
                  
                //格式转成long型:1467770970  
                long lTime = dt.getTime() / 1000;  
                System.out.println(lTime);  
                  
                //格式long型转成Date型,再转成String:  1464710394 -> ltime2*1000 -> 2016-05-31 23:59:54  
                long ltime2 = 1464710394;  
                SimpleDateFormat lsdFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");  
                Date lDate = new Date(ltime2*1000);  
                String lStrDate = lsdFormat.format(lDate);  
                System.out.println(lStrDate);  
                  
                //格式String型转成Date型:2016-07-06 10:17:48 -> Wed Jul 06 10:17:48 CST 2016  
                String strDate = "2016-07-06 10:17:48";  
                SimpleDateFormat lsdStrFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");  
                try {  
                    Date strD = lsdStrFormat.parse(strDate);  
                    System.out.println(strD);  
                } catch (ParseException e) {  
                    e.printStackTrace();  
                }  
            }  
        } 
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  • 原文地址:https://www.cnblogs.com/Jansens520/p/7825736.html
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