using?System;
using?System.Collections.Generic;
using?System.Linq;
using?System.Text;
using?System.IO;
using?System.Collections;

namespace?MyId3
{
????public?class?DataMode
????{
????????public?static?string?openFilePath?=?Directory.GetCurrentDirectory（）?+?@“\是否三好學生.txt“;
????????public?string[]?dataArray;

????????public?string[][]?attribute;
????????public?string[]?Items;
????????public?int[]?conditionAmount;

????????public?DataMode（）
????????{
????????????InitialData（）;
????????}
????????//初始化屬性值
????????public?string[][]?getAttribute（）
????????{
????????????return?attribute;
????????}

????????public?void?InitialData（）
????????{
????????????ReadFromTxt（）;
????????????attribute?=?new?string[dataArray.GetLength（1）][];
????????????conditionAmount?=?new?int[dataArray.GetLength（1）];
????????????for?（int?i?=?0;?i?????????????{
????????????????conditionAmount[i]?=?GetCountOfAttribute（dataArray?attribute?i）;
????????????}

????????}
????????public?int?GetCountOfAttribute（string[]?dataArraystring[][]?attributeint?colum）
????????{
????????????List?list=new?List（）;
????????????for?（int?i?=?0;?i?????????????{

????????????????if?（dataArray[i?colum].CompareTo（dataArray[i?+?1?colum]）?==?0）
????????????????{
????????????????????continue;
????????????????}
????????????????else
????????????????{
????????????????????if?（list.Count==0）
????????????????????{
????????????????????????list.Add（dataArray[i?colum]）;
????????????????????}
????????????????????else
????????????????????{
????????????????????????int?j?=?0;
????????????????????????for?（j=0;?j?????????????????????????{
????????????????????????????if?（dataArray[i?colum].CompareTo（list[j]）?!=?0）
????????????????????????????{
????????????????????????????????continue;
????????????????????????????}
????????????????????????????else?break;
????????????????????????}
????????????????????????if?（j==list.Count）
????????????????????????{
????????????????????????????list.Add（dataArray[i?colum]）;
????????????????????????}
????????????????????}
????????????????}
????????????}
????????????string[]?s?=?new?string[list.Count];
????????????for?（int?k?=?0;?k?????????????{
????????????????s[k]?=?list[k];
????????????}
????????????attribute[colum]?=?s;
????????????return?list.Count;
????????}


????????public?void?ReadFromTxt（）
????????{
????????????string[]?source?=?File.ReadAllLines（openFilePath）;
????????????Items?=?source[0].Split（‘?‘）;
????????????string[]?temp;
????????????dataArray?=?new?string[source.Length?-?1?Items.Length];
????????????for?（int?i?=?1;?i?????????????{
????????????????temp?=?source[i].Split（‘?‘）;

????????????????for?（int?j?=?0;?j?????????????????{
????????????????????dataArray[i?-?1?j]?=?temp[j];
????????????????}
???????????

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件??????21504??2014-07-13?16:31??MyId3\MyId3\bin\Debug\MyId3.exe

?????文件??????60928??2014-07-13?16:31??MyId3\MyId3\bin\Debug\MyId3.pdb

?????文件??????11600??2014-07-14?12:48??MyId3\MyId3\bin\Debug\MyId3.vshost.exe

?????文件????????490??2010-03-17?22:39??MyId3\MyId3\bin\Debug\MyId3.vshost.exe.manifest

?????文件????????827??2014-06-13?21:12??MyId3\MyId3\bin\Debug\是否三好學生.txt

?????文件????????312??2014-06-12?16:51??MyId3\MyId3\bin\Debug\是否優生.txt

?????文件????????430??2014-06-11?09:42??MyId3\MyId3\bin\Debug\是否打球.txt

?????文件???????3641??2014-06-14?08:58??MyId3\MyId3\DataMode.cs

?????文件????????632??2014-06-05?21:05??MyId3\MyId3\Entropy.cs

?????文件??????11440??2014-07-13?16:31??MyId3\MyId3\Form1.cs

?????文件???????7218??2014-07-13?16:31??MyId3\MyId3\Form1.Designer.cs

?????文件???????5817??2014-07-13?16:31??MyId3\MyId3\Form1.resx

?????文件???????3869??2014-06-11?09:00??MyId3\MyId3\MyId3.csproj

?????文件???????5420??2014-06-06?07:55??MyId3\MyId3\obj\x86\Debug\DesignTimeResolveAssemblyReferences.cache

?????文件???????6371??2014-07-13?16:31??MyId3\MyId3\obj\x86\Debug\DesignTimeResolveAssemblyReferencesInput.cache

?????文件???????1412??2014-07-14?12:48??MyId3\MyId3\obj\x86\Debug\MyId3.csproj.FileListAbsolute.txt

?????文件????????975??2014-07-13?16:31??MyId3\MyId3\obj\x86\Debug\MyId3.csproj.GenerateResource.Cache

?????文件???????9214??2014-06-07?08:35??MyId3\MyId3\obj\x86\Debug\MyId3.csprojResolveAssemblyReference.cache

?????文件??????21504??2014-07-13?16:31??MyId3\MyId3\obj\x86\Debug\MyId3.exe

?????文件????????180??2014-07-13?16:31??MyId3\MyId3\obj\x86\Debug\MyId3.Form1.resources

?????文件??????60928??2014-07-13?16:31??MyId3\MyId3\obj\x86\Debug\MyId3.pdb

?????文件????????180??2014-06-11?09:00??MyId3\MyId3\obj\x86\Debug\MyId3.Properties.Resources.resources

?????文件????????486??2014-06-05?19:18??MyId3\MyId3\Program.cs

?????文件???????1360??2014-06-05?19:18??MyId3\MyId3\Properties\AssemblyInfo.cs

?????文件???????2862??2014-06-05?19:18??MyId3\MyId3\Properties\Resources.Designer.cs

?????文件???????5612??2014-06-05?19:18??MyId3\MyId3\Properties\Resources.resx

?????文件???????1092??2014-06-05?19:18??MyId3\MyId3\Properties\Settings.Designer.cs

?????文件????????249??2014-06-05?19:18??MyId3\MyId3\Properties\Settings.settings

?????文件??????10985??2014-06-13?16:43??MyId3\MyId3\TreeController.cs

?????文件????????396??2014-06-09?00:47??MyId3\MyId3\TreeLine.cs

............此處省略16個文件信息