Java中验证日期时间格式

import java.text.DateFormat;

import java.text.SimpleDateFormat;

import java.util.Date;

import java.util.regex.Matcher;

import java.util.regex.Pattern;

public class DateTimeCheck

{

/**

* 验证日期时间格式

* @param args

*/

public static void main(String[] args)

{

String checkValue = "2008-09-11 14:17:11";

DateFormat dateFormat = new SimpleDateFormat("yyyyMMdd HH:mm:ss");

Date d = null;

if(checkValue != null && !checkValue.equals(""))

{

if(checkValue.split("/").length > 1)

{

dateFormat = new SimpleDateFormat("yyyy/MM/dd HH:mm:ss");

}

if (checkValue.split("-").length > 1)

{

dateFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");

}

}else

{

return;

}

try

{

d = dateFormat.parse(checkValue);

System.out.println(d);

}

catch(Exception e)

{

System.out.println("格式错误");

return;

}

String eL= "^((\\d{2}(([02468][048])|([13579][26]))[\\-\\/\\s]?((((0?[13578])|(1[02]))[\\-\\/\\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\\-\\/\\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\\-\\/\\s]?((0?[1-9])|([1-2][0-9])))))|(\\d{2}(([02468][1235679])|([13579][01345789]))[\\-\\/\\s]?((((0?[13578])|(1[02]))[\\-\\/\\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\\-\\/\\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\\-\\/\\s]?((0?[1-9])|(1[0-9])|(2[0-8]))))))(\\s(((0?[0-9])|([1-2][0-9]))\\:([0-5]?[0-9])((\\s)|(\\:([0-5]?[0-9])))))?$";

Pattern p = Pattern.compile(eL);

Matcher m = p.matcher(checkValue);

boolean b = m.matches();

if(b)

{

System.out.println("格式正确");

}

else

{

System.out.println("格式错误");

}

}

}