Here you can find the source of getStringByFormat(long milliseconds, String format)
public static String getStringByFormat(long milliseconds, String format)
//package com.java2s; /*/*w w w . j a v a2 s . c om*/ * Copyright (C) 2013 www.418log.org * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ import java.text.SimpleDateFormat; import java.util.Calendar; import java.util.Date; import java.util.GregorianCalendar; public class Main { public static String dateFormatYMDHMS = "yyyy-MM-dd HH:mm:ss"; public static String getStringByFormat(Date date, String format) { SimpleDateFormat mSimpleDateFormat = new SimpleDateFormat(format); String strDate = null; try { strDate = mSimpleDateFormat.format(date); } catch (Exception e) { e.printStackTrace(); } return strDate; } public static String getStringByFormat(String strDate, String format) { String mDateTime = null; try { Calendar c = new GregorianCalendar(); SimpleDateFormat mSimpleDateFormat = new SimpleDateFormat( dateFormatYMDHMS); c.setTime(mSimpleDateFormat.parse(strDate)); SimpleDateFormat mSimpleDateFormat2 = new SimpleDateFormat( format); mDateTime = mSimpleDateFormat2.format(c.getTime()); } catch (Exception e) { e.printStackTrace(); } return mDateTime; } public static String getStringByFormat(long milliseconds, String format) { String thisDateTime = null; try { SimpleDateFormat mSimpleDateFormat = new SimpleDateFormat( format); thisDateTime = mSimpleDateFormat.format(milliseconds); } catch (Exception e) { e.printStackTrace(); } return thisDateTime; } }