Here you can find the source of long2String(long longTime, String dataFormat)
public static String long2String(long longTime, String dataFormat)
//package com.java2s; //License from project: Open Source License import java.text.SimpleDateFormat; import java.util.Date; public class Main { public final static String YYYY_MM_DD = "yyyy-MM-dd"; public static String long2String(long longTime, String dataFormat) { String str = ""; try {/*www.j a v a 2 s.co m*/ Date d = new Date(longTime); SimpleDateFormat s = new SimpleDateFormat(dataFormat); str = s.format(d); } catch (Exception e) { str = ""; } return str; } public static String format(Date date, String pattern) { if (date == null) return ""; else return getFormatter(pattern).format(date); } public static String format(Date date) { if (date == null) return ""; else return getFormatter(YYYY_MM_DD).format(date); } private static SimpleDateFormat getFormatter(String parttern) { return new SimpleDateFormat(parttern); } }