J2SE-字串轉日期，日期轉字串

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

public class ConvertDemo {

	/**
	 * 日期轉換成字串
	 * 
	 * @param date
	 * @return str
	 */
	public static String DateToStr(Date date) {

		SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
		String str = format.format(date);
		return str;
	}

	/**
	 * 字串轉換成日期
	 * 
	 * @param str
	 * @return date
	 */
	public static Date StrToDate(String str) {

		SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
		Date date = null;
		try {
			date = format.parse(str);
		} catch (ParseException e) {
			e.printStackTrace();
		}
		return date;
	}

	public static void main(String[] args) {

		Date date = new Date();
		System.out.println("日期轉字串：" + ConvertDemo.DateToStr(date));
		System.out.println("字串轉日期：" + ConvertDemo.StrToDate(ConvertDemo.DateToStr(date)));

	}

}