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Java获取当前时间的年月日方法

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package com.ob;  

    import java.text.ParseException;  
    import java.text.SimpleDateFormat;  
    import java.util.Calendar;  
    import java.util.Date;  

    public class DateTest {  

        public static void main(String[] args) throws ParseException {  
            Calendar now = Calendar.getInstance();  
            System.out.println("年: " + now.get(Calendar.YEAR));  
            System.out.println("月: " + (now.get(Calendar.MONTH) + 1) + "");  
            System.out.println("日: " + now.get(Calendar.DAY_OF_MONTH));  
            System.out.println("时: " + now.get(Calendar.HOUR_OF_DAY));  
            System.out.println("分: " + now.get(Calendar.MINUTE));  
            System.out.println("秒: " + now.get(Calendar.SECOND));  
            System.out.println("当前时间毫秒数:" + now.getTimeInMillis());  
            System.out.println(now.getTime());  

            Date d = new Date();  
            System.out.println(d);  
            SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");  
            String dateNowStr = sdf.format(d);  
            System.out.println("格式化后的日期:" + dateNowStr);  

            String str = "2012-1-13 17:26:33";  //要跟上面sdf定义的格式一样  
            Date today = sdf.parse(str);  
            System.out.println("字符串转成日期:" + today);  
        }  
    }

输出结果: 年:2012 月:1 日:13 时:17 分:28 秒:19 当前时间毫秒数:1326446899902 FriJan1317:28:19CST2012 FriJan1317:28:19CST2012 格式化后的日期:2012-01-1317:28:19 字符串转成日期:FriJan1317:26:33CST2012

标签:java

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