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資源簡介

基于文本內(nèi)容的垃圾郵件過濾程序,VC++6.0, 利用貝葉斯算法進行中文文本分類,過濾垃圾郵件

資源截圖

代碼片段和文件信息

//?BYS.cpp:?implementation?of?the?BYS?class.
//
//////////////////////////////////////////////////////////////////////

#include?“stdafx.h“
#include?“Mail.h“
#include?“BYS.h“

#ifdef?_DEBUG
#undef?THIS_FILE
static?char?THIS_FILE[]=__FILE__;
#define?new?DEBUG_NEW
#endif

//////////////////////////////////////////////////////////////////////
//?Construction/Destruction
//////////////////////////////////////////////////////////////////////

BYS::BYS()
{
mode=FALSE;
arrword=NULL;
arrbad=NULL;
arrgood=NULL;
arrgl=NULL;
goodsum=0;
badsum=0;
}

BYS::~BYS()
{
if(arrword)?delete[]?arrword?;
if(arrbad)?delete[]?arrbad;
if(arrgood)?delete[]?arrgood;
if(arrgl)?delete[]?arrgl;
}

void?BYS::Create(CString?path)
{
CString?strpath=path;
strpath+=“dir\\Result.txt“;
strbysdbpathsum=strpath;

CString?strLineFirstStr;
//讀取郵件總數(shù)
CStdioFile?csFile(strpathCFile::modeRead);?
for(int?i=0;i<2;i++)
{
csFile.ReadString(strLine);
strLine.TrimLeft();???
strLine.TrimRight();?
//獲取
if(strLine.Left(4)==“good“)
{
strLine=strLine.Mid(4strLine.GetLength()-4);
strLine.TrimLeft();???
goodsum=atoi(strLine);
}
if(strLine.Left(4)==“spam“)
{
strLine=strLine.Mid(4strLine.GetLength()-4);
strLine.TrimLeft();???
badsum=atoi(strLine);
}
}
csFile.Close();

strpath=path;
strpath+=“dir\\WordList.txt“;
strbysdbpath=strpath;

CStdioFile?csFileList(strpathCFile::modeRead);?

//建立哈希表
int?size=72*94;
arrword=new?CStringArray[size];
arrgood=new?CStringArray[size];
arrbad?=new?CStringArray[size];
arrgl??=new?CStringArray[size];

int?indexpos;
CString?tmp;
while(csFileList.ReadString(strLine))
{
strLine.TrimLeft();???
strLine.TrimRight();?

FirstStr=strLine.Left(2);
index=GetCharIndex(FirstStr);
if(index>72*94-1)?
{
continue;
}
if(-1!=index)
{

/* for(int?k=0;k {
char?a=strLine.GetAt(k);
}*/
//加載詞/字
pos=strLine.Find(90);
tmp=strLine.Left(pos);
arrword[index].Add(tmp);
strLine=strLine.Right(strLine.GetLength()-pos-1);
strLine.TrimLeft();

//加載good
pos=strLine.Find(90);
tmp=strLine.Left(pos);
arrgood[index].Add(tmp);
strLine=strLine.Right(strLine.GetLength()-pos-1);
strLine.TrimLeft();

//加載bad
pos=strLine.Find(90);
tmp=strLine.Left(pos);
arrbad[index].Add(tmp);
strLine=strLine.Right(strLine.GetLength()-pos-1);
strLine.TrimLeft();

//加載gl
arrgl[index].Add(strLine);
}
}
mode=TRUE;
}

int?BYS::GetCharIndex(CString?strName)//獲取hash下標
{
TBYTE?ucHigh?ucLow;
????int??nCode=-1;
if(strName.GetLength()>0)
{
if?((TBYTE)strName[0]?>?0x80?)
{
ucHigh?=?(TBYTE)strName[0];
ucLow??=?(TBYTE)strName[1];
if?(!(ucHigh? }
}
return?nCode;
}

float?BYS::bysjs(CStringArray?*arr)
{
CStringArray?tot

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

?????文件???????6422??2008-05-22?12:05??Mail\BYS.cpp

?????文件???????1070??2008-05-26?18:57??Mail\BYS.h

?????文件???????1523??2008-05-22?12:28??Mail\DlgLogin.cpp

?????文件???????1227??2008-05-17?10:49??Mail\DlgLogin.h

?????文件????????517??2008-05-17?11:25??Mail\Email.cpp

?????文件????????482??2008-05-17?11:25??Mail\Email.h

?????文件??????28060??2012-10-11?00:18??Mail\Mail.aps

?????文件???????3286??2012-10-11?01:42??Mail\Mail.clw

?????文件???????2330??2008-05-17?12:38??Mail\Mail.cpp

?????文件???????5022??2008-05-20?17:17??Mail\Mail.dsp

?????文件????????533??2008-05-17?09:12??Mail\Mail.dsw

?????文件???????1357??2008-05-17?09:22??Mail\Mail.h

?????文件?????205824??2012-10-11?01:42??Mail\Mail.ncb

?????文件??????51712??2012-10-11?01:42??Mail\Mail.opt

?????文件???????2764??2012-10-11?00:19??Mail\Mail.plg

?????文件???????8839??2008-05-23?13:09??Mail\Mail.rc

?????文件??????14249??2008-07-24?20:35??Mail\MailDlg.cpp

?????文件???????2358??2008-05-26?19:04??Mail\MailDlg.h

?????文件???????2089??2008-05-20?10:39??Mail\MailShow.cpp

?????文件???????1308??2008-05-20?03:43??Mail\MailShow.h

?????文件??????14344??2008-05-26?19:03??Mail\MyEMail.cpp

?????文件???????1001??2008-05-26?19:00??Mail\MyEMail.h

?????文件???????9252??2008-05-26?18:54??Mail\MyPOP3.cpp

?????文件???????1443??2008-05-26?18:47??Mail\MyPOP3.h

?????文件???????3543??2008-05-17?09:12??Mail\ReadMe.txt

?????文件??????16703??2012-10-11?00:19??Mail\Release\BYS.obj

?????文件??????10312??2012-10-11?00:19??Mail\Release\DlgLogin.obj

?????文件?????270336??2012-10-11?00:19??Mail\Release\Mail.exe

?????文件??????14565??2012-10-11?00:19??Mail\Release\Mail.obj

?????文件????5657800??2012-10-11?00:19??Mail\Release\Mail.pch

............此處省略28個文件信息

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