java.lang.IllegalArgumentException：无法将给定的对象格式化为日期
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java.lang.IllegalArgumentException: Cannot format given Object as a Date
提问by Pawan
I recive a date in this format
我以这种格式接收日期
2014-12-09 02:18:38
which i need to convert it to
我需要将其转换为
09-12-2014 02:18:38
I tried converting this way
我尝试以这种方式转换
import java.text.ParseException;
import java.text.SimpleDateFormat;
public class TestDate {
public static void main(String[] args) throws ParseException {
SimpleDateFormat sdf = new SimpleDateFormat("dd-mm-YYYY HH:mm:ss");
String input = "2014-12-09 02:18:38";
String strDate = sdf.format(input);
System.out.println(strDate);
}
}
But i am getting this exception during Runtime
但是我在运行时遇到了这个异常
Exception in thread "main" java.lang.IllegalArgumentException: Cannot format given Object as a Date
at java.text.DateFormat.format(DateFormat.java:301)
at java.text.Format.format(Format.java:157)
at TestDate.main(TestDate.java:15)
Could anybody please help me how to resolve this .
任何人都可以帮我解决这个问题。
采纳答案by Predrag Maric
Try this
尝试这个
public static void main(String[] args) throws ParseException {
SimpleDateFormat sdfIn = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
SimpleDateFormat sdfOut = new SimpleDateFormat("dd-MM-yyyy HH:mm:ss");
String input = "2014-12-09 02:18:38";
Date date = sdfIn.parse(input);
System.out.println(sdfOut.format(date));
}
Also, note that mis for minutes, while Mis for months.
另外，请注意，这m是几分钟，而M几个月。
回答by Liam de Haas
回答by Joop Eggen
SimpleDateFormat sdf = new SimpleDateFormat("dd-mm-YYYY HH:mm:ss");
// String to Date:
String input = "2014-12-09 02:18:38";
Date date = sdf.parse(input);
// Date to String:
String strDate = sdf.format(date);
System.out.println(strDate);
回答by Brian
SimpleDateFormat in can be used to format a Date object.
SimpleDateFormat in 可用于格式化 Date 对象。
First you have to parse your string to a Data object using format on the SimpleDateFormat you declared. After that you can output it using a second SimpleDataFromat to a string you want.
首先，您必须使用您声明的 SimpleDateFormat 上的格式将字符串解析为 Data 对象。之后，您可以使用第二个 SimpleDataFromat 将其输出到您想要的字符串。
SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
String input = "2014-12-09 02:18:38";
Date dt = sdf.parse(input);
SimpleDateFormat sdf2 = new SimpleDateFormat("dd-MM-yyyy HH:mm:ss");
String strDate = sdf2.format(dt);
System.out.println(strDate);
