Java tutorial
//package com.java2s; import java.text.SimpleDateFormat; import java.util.Date; import java.util.Locale; public class Main { private static final SimpleDateFormat FORMAT = new SimpleDateFormat("yyyy-MM-dd", Locale.CHINA); public static String timestempToString(long time) { return FORMAT.format(new Date(time * 1000)); } public static String timestempToString(String time) { return FORMAT.format(new Date(Long.parseLong(time) * 1000)); } }