将某个时间以固定格式转化成字符串SimpleDateFormat

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

/*
 * 2018.7.31 Ritan
 * 将某个时间以固定格式转化成字符串 
 */
public class test {

	public static String formatDateToString(Date date){
		SimpleDateFormat s1 = new SimpleDateFormat("y-M-d H:m:s");
		String dateString = s1.format(date);
		return dateString;
	}
 
	public static void main(String[] args) {
		Date now = new Date();
		System.out.println(formatDateToString(now));
	}
}