ÔÚJavaÖжÔExcel²Ù×÷
´´½¨Ò»¸öÎļþtemp£¬Í¬Ê±ÔÚtemp Ŀ¼Ï´´½¨Ò»¸öoutpath.xls
д²Ù×÷
package com;
import java.io.File;
import java.io.IOException;
import java.text.DateFormat;
import jxl.Workbook;
import jxl.format.UnderlineStyle;
import jxl.write.DateTime;
import jxl.write.Label;
import jxl.write.NumberFormat;
import jxl.write.WritableCell;
import jxl.write.WritableCellFormat;
import jxl.write.WritableFont;
import jxl.write.WritableSheet;
import jxl.write.WritableWorkbook;
import jxl.write.WriteException;
import jxl.write.biff.RowsExceededException;
public class Demo {
//¶¨ÒåÒ»¸ö¾²Ì¬±äÁ¿
private static String path="d:/temp/";
//²éÕÒÄ¿±êÎļþÊÇ·ñ´æÔÚ
static void checkExist(String path){
java.io.File file = new java.io.File(path);
if(file.isDirectory()){
System.out.println("the dir is exits");
file.delete();
}else{
file.mkdirs();
System.out.println("made a dir £¡" );
}
}
public static void main(String args[]) throws IOException, RowsExceededException, WriteException{
Demo.checkExist(path);
File tempFile=new File(path+"outpath.xls");
 
Ïà¹ØÎĵµ£º
//package ÓéÀÖ;
import java.awt.Container;
import java.awt.FlowLayout;
import java.awt.GridLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.ItemEvent;
import java.awt.event.ItemListener;
import java.text.DecimalFormat;
import javax.swing ......
ÕâÁ½Ìì,ÒòΪÏîÄ¿ÐèÒª,Éæ¼°µ½Îļþ¼ÐµÄÉÏ´«,ÏëÁ˺ܾÃ,ÔÚÍøÉÏÒ²ÕÒÁËһЩ×ÊÁÏ,¶¼Ã»ÓÐʲôºÜºÃµÄ°ì·¨,¶¼ÊÇÓòå¼þÖ®ÀàµÄ½â¾ö,ºóÃæ¾ÍÏëµ½ÁËÉÏ´«Ñ¹Ëõ
Îļþ,˵µ½Ñ¹ËõÎļþ,×ÔÈ»¾Í»áÓöµ½,ÎļþµÄ½âѹËõÎÊÌâ,´ó¼Ò¶¼ÖªµÀ,±È½Ï³£¼ûµÄѹËõÎļþÓÐrar,zip,È»¶ørar,zipµÄÇø±ðÓÖÔÚÄÄ?˵һ
µã,zip ѹËõËã·¨ÊÇÃâ·Ñ¿ª·ÅµÄ£¬ÈκÎÈË¿ÉÒÔÃâ·ÑʹÓᣵ ......
1.Duplicated Code ´úÂëÖØ¸´¼¸ºõÊÇ×î³£¼ûµÄÒìζÁË¡£ËûÒ²ÊÇRefactoringµÄÖ÷ҪĿ±êÖ®Ò»¡£´úÂëÖØ¸´ÍùÍùÀ´×ÔÓÚcopy-and-pasteµÄ±à³Ì·ç¸ñ¡£ÓëËûÏà¶ÔÓ¦OAOOÊÇÒ»¸öºÃϵͳµÄÖØÒª±êÖ¾¡£ 2.Long method ËüÊÇ´«Í³½á¹¹»¯µÄ“ÒŶ¾”¡£Ò»¸ö·½·¨Ó¦µ±¾ßÓÐ×ÔÎÒ¶ÀÁ¢µÄÒâͼ£¬²»Òª°Ñ¼¸¸öÒâͼ·ÅÔÚÒ»Æð¡£ 3.Large Class ´óÀà¾ÍÊÇÄã°ÑÌ«¶ ......
Æ¥ÅäÌØ¶¨Êý×Ö£º
^[1-9]d*$¡¡ ¡¡ //Æ¥ÅäÕýÕûÊý
^-[1-9]d*$ ¡¡ //Æ¥Å为ÕûÊý
^-?[1-9]d*$¡¡¡¡ //Æ¥ÅäÕûÊý
^[1-9]d*|0$¡¡ //Æ¥Åä·Ç¸ºÕûÊý£¨ÕýÕûÊý + 0£©
^-[1-9]d*|0$¡¡¡¡ //Æ¥Åä·ÇÕýÕûÊý£¨¸ºÕûÊý + 0£©
^[1-9]d*.d*|0.d*[1-9]d*$¡¡¡¡ //Æ¥ÅäÕý¸¡µãÊý
^-([1-9]d*.d*|0.d*[1-9]d*)$¡¡ //Æ¥Å为¸¡µãÊý
^-?([1-9]d*.d*| ......
JAVA¶¨Ê±Ö´ÐÐÈÎÎñµÄÈýÖÖ·½·¨
1) java.util.Timer
Õâ¸ö·½·¨Ó¦¸ÃÊÇ×î³£Óõ쬲»¹ýÕâ¸ö·½·¨ÐèÒªÊÖ¹¤Æô¶¯ÄãµÄÈÎÎñ£º
Timer timer=new Timer();
timer.schedule(new ListByDayTimerTask(),10000,86400000);
ÕâÀïµÄListByDayTimerTaskÀà±ØÐëextends TimerTaskÀïÃæµÄrun()·½·¨¡£
2) ServletContextListener
Õâ¸ö·½·¨ ......