yzy的备忘博客

import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Calendar;
import java.util.Date;
import java.util.List;

public class FindDates
{

 public static void main(String[] args) throws Exception
 {

  Calendar cal = Calendar.getInstance();
  String start = '2012-02-01';
  String end = '2012-03-02';
  SimpleDateFormat sdf = new SimpleDateFormat('yyyy-MM-dd');
  Date dBegin = sdf.parse(start);
  Date dEnd = sdf.parse(end);
  List<Date> lDate = findDates(dBegin, dEnd);
  for (Date date : lDate)
  {
   System.out.println(sdf.format(date));
  }
 }

 public static List<Date> findDates(Date dBegin, Date dEnd)
 {
  List lDate = new ArrayList();
  lDate.ad

import java.io.BufferedReader;
import java.io.File;
import java.io.FileReader;
import java.io.RandomAccessFile;
import java.nio.ByteBuffer;
import java.nio.MappedByteBuffer;
import java.nio.channels.FileChannel;

public class ReadBig
{
 public static void MappedByteBuffer(String fff) throws Exception
 {
  final int BUFFER_SIZE = 0x300000;// 缓冲区大小为3M
  File f = new File(fff);
  MappedByteBuffer inputBuffer = new RandomAccessFile(f, 'r').getChannel().map(FileChannel.MapMode.READ_ONLY, 0, f.length());
  byte[] dst = new byte[BUFFER_SIZE];// 每次读出3M的内容

  for (int offset = 0; offset < inputBuffer.capacity(); offset += BUFFER_SIZE)
  {
   if (inputBuffer.capacity() - offset >= BUFFER_SIZE)
   {
    for (int i = 0; i < BUFFER_SIZE; i++)

package com;

import java.util.Timer;
import java.util.TimerTask;

import javax.servlet.ServletContextEvent;
import javax.servlet.ServletContextListener;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

//第一步：创建一个任务管理类，实现ServletContextListener接口
public class TaskManager implements ServletContextListener
{
 
 public static final long PERIOD_DAY = 86400000L;// DateUtils.MILLIS_IN_DAY;
 
 public static final long PERIOD_WEEK = PERIOD_DAY * 7;
 
 public static final long NO_DELAY = 0;
 
 private Timer timer;
 private static Log log = LogFactory.getLog(TaskManager.class);

 
 public void contextInitialized(ServletContextEvent event)
 {
  log.debug('开始创建任务...');
  // 定义定时器
  timer = new Timer(