cls.ValidateNumber.php
<? php
class ImgCode
{
public $BackGround = false ;
public $BackColor = ' #FFFFFF ' ;
public $OnlyKey = false ;
public $OnlyKeyWay = 0 ;
public $OnlyKeySeed = ' MD5 ' ;
public $KeyOutPutEncrypt = false ;
public $OutPutWay = 0 ;
public $SID = '' ;
public $OutPutText = '' ;
public $arlFont = array ( ' 1.ttf ' , ' 2.ttf ' , ' 3.ttf ' , ' 4.ttf ' );
private $Image = '' ;
public $NoisePosition = false ;
public $FontSize = 0 ;
public $BuildLen = 4 ;
public $ImgWidth = 100 ;
public $ImgHeight = 30 ;
public $DotNoise = false ;
public $DotNoiseWay = ' auto ' ;
public $DotNoiseCol_r = array ( 100 , 255 );
public $DotNoiseCol_b = array ( 100 , 255 );
public $DotNoiseCol_g = array ( 100 , 255 );
public $DotNoisePix = 300 ;
public $LineNoise = false ;
public $LineNoiseWay = ' auto ' ;
public $LineNoiseCol_r = array ( 0 , 255 );
public $LineNoiseCol_b = array ( 0 , 255 );
public $LineNoiseCol_g = array ( 0 , 255 );
public $LineNoisePix = 300 ;
public $Border = false ;
public $BorderWay = ' auto ' ;
public $BorderCol_r = array ( 0 , 150 );
public $BorderCol_b = array ( 0 , 150 );
public $BorderCol_g = array ( 0 , 150 );
public $RandTextWay = ' auto ' ;
public $RandTextCol_r = array ( 0 , 150 );
public $RandTextCol_b = array ( 0 , 150 );
public $RandTextCol_g = array ( 0 , 150 );
public $FontSizeFloat = 10 ;
public $FontBE = 15 ;
public $FontBX = 5 ;
public $FontLean = 18 ;
public $Toothful = 2 ;
public $VerilyTine = true ;
public $Gather = 0 ;
public $GatherTeam = array (
0 => array ( ' A ' , ' B ' , ' C ' , ' D ' , ' E ' , ' F ' , ' G ' , ' H ' , ' I ' , ' J ' , ' K ' , ' L ' , ' M ' , ' N ' , ' O ' , ' P ' , ' Q ' , ' R ' , ' S ' , ' T ' , ' U ' , ' V ' , ' W ' , ' X ' , ' Y ' , ' Z ' ) ,
1 => array ( ' a ' , ' b ' , ' c ' , ' d ' , ' e ' , ' f ' , ' g ' , ' h ' , ' i ' , ' j ' , ' j ' , ' l ' , ' m ' , ' n ' , ' o ' , ' p ' , ' q ' , ' r ' , ' s ' , ' t ' , ' u ' , ' v ' , ' w ' , ' x ' , ' y ' , ' z ' ) ,
2 => array ( ' 0 ' , ' 1 ' , ' 2 ' , ' 3 ' , ' 4 ' , ' 5 ' , ' 6 ' , ' 7 ' , ' 8 ' , ' 9 ' ));
public function ImgCode( $img_w = 100 , $img_h = 30 , $f_size = 0 , $bg = false , $b_len = 4 )
{
if ( ! $bg )
{
$this -> ImgWidth = $img_w ; // 寬度指派
$this -> ImgHeight = $img_h ; // 高度指派
} else {
if ( ! file_exists ( $bg )) die ( ' Find not BackGround File 1 ' );
$ImgSize = GetImageSize ( $bg );
$this -> ImgWidth = $ImgSize [ 0 ]; // 寬度指派
$this -> ImgHeight = $ImgSize [ 1 ]; // 高度指派
}
$this -> BuildLen = $b_len ; // 驗證碼長度指派
if ( $f_size !== 0 )
{
$this -> FontSize = $f_size ;
} else {
$this -> FontSize = $img_w / $b_len ;
}
session_start ();
@ session_unregister ( " SESSION_KEY " ); // 若之前已存在一個 SESSION 會話,将其關閉
@ session_unregister ( " ENCRYPT_KEY " ); //
session_register ( " ENCRYPT_KEY " );
session_register ( " SESSION_KEY " ); // 注冊 SESSION_KEY
$this -> SID = session_id (); // 給予 SESSIONID
if ( ! session_is_registered ( " SESSION_KEY " ))
{
die ( " session registered lost " );
}
}
public function Build()
{
$m_Cade = '' ;
$this -> FontSize = $this -> FontSize - $this -> Toothful;
if ( $this -> BackGround)
{
if ( ! file_exists ( $this -> BackGround)) die ( ' Find not BackGround File 2 ' );
$ImgSize = GetImageSize ( $this -> BackGround);
$this -> ImgWidth = $ImgSize [ 0 ]; // 寬度指派
$this -> ImgHeight = $ImgSize [ 1 ]; // 高度指派
switch ( $ImgSize [ 2 ])
{
case 1 :
$this -> Image = @imagecreatefromgif( $this -> BackGround);
break ;
case 2 :
$this -> Image = @imagecreatefromjpeg( $this -> BackGround);
break ;
case 3 :
$this -> Image = @imagecreatefrompng( $this -> BackGround);
break ;
}
} else {
if ( ! $VerilyTine )
{
$this -> Image = @imagecreate( $this -> ImgWidth , $this -> ImgHeight);
} else {
$this -> Image = @imagecreatetruecolor( $this -> ImgWidth , $this -> ImgHeight);
}
}
if ( ! $this -> Image) die ( " Cannot Initialize new GD image stream " ); // 是否建立成功
if ( ! $this -> BackGround)
{
$FunBackColor = $this -> FetchColor( $this -> BackColor);
imageFilledRectangle( $this -> Image , 0 , 0 , $this -> ImgWidth , $this -> ImgHeight , $FunBackColor ); // 建立一個矩型并填充
}
// 如果字型超出高度則重設字型大小等于高度 - 2 , 防止超出圖形區
if ( $this -> FontSize > $this -> ImgHeight) $this -> FontSize = $this -> ImgHeight;
// 設定字型生成的左邊界
$FunLeft = ( $this -> ImgWidth - $this -> BuildLen * ( $this -> FontSize + $this -> FontSize / 10 )) / $this -> FontSize;
// 幹擾資訊出現在底部的判斷
if ( $this -> NoisePosition == false ) $this -> setNoise();
for ( $i = 0 ; $i < $this -> BuildLen; $i ++ )
{
if ( ! $this -> OnlyKey)
{
$UseKey = array_reverse ( $this -> GatherTeam[ $this -> Gather]); // 如果為内定内容資料集,确定使用内容資料集,并反轉數組
$RandText = $UseKey [ mt_rand ( 0 , count ( $UseKey ) - 1 )]; // 擾亂計算本循環的字元
$m_Cade .= $RandText ; // 儲存驗證碼資訊
} else {
// 是否區分大小寫生成唯一驗證碼序列
if ( $this -> OnlyKeyWay == 0 )
{
if ( $this -> OnlyKeySeed == ' MD5 ' ) // 加密方式判斷
{
$Rand = str_split ( strtolower ( md5 ( microtime ())));
} else {
$Rand = str_split ( strtolower ( sha1 ( microtime ())));
}
} else {
if ( $this -> OnlyKeySeed == ' MD5 ' ) // 加密方式判斷
{
$Rand = str_split ( strtoupper ( md5 ( microtime ())));
} else {
$Rand = str_split ( strtoupper ( sha1 ( microtime ())));
}
}
$Rand = array_reverse ( $Rand );
$RandText = $Rand [ mt_rand ( 0 , count ( $Rand ) - 1 )];
$m_Cade .= $RandText ; // 儲存驗證碼資訊
}
// 設定字型顔色
if ( $this -> RandTextWay == ' auto ' )
{
$FunFontColor = imageColorAllocate( $this -> Image , mt_rand ( $this -> RandTextCol_r[ 0 ] , $this -> RandTextCol_r[ 1 ]) ,
mt_rand ( $this -> RandTextCol_b[ 0 ] , $this -> RandTextCol_b[ 1 ]) ,
mt_rand ( $this -> RandTextCol_g[ 0 ] , $this -> RandTextCol_g[ 1 ]));
} else {
$FunFontColor = $this -> FetchColor( $this -> RandTextWay);
}
// 設定随機字型資訊
$FontType = $this -> arlFont[ mt_rand ( 0 , count ( $this -> arlFont) - 1 )];
// 設定循環每個字元時的不同大小
$RandSize = mt_rand ( $this -> FontSize - $this -> FontSize / $this -> FontSizeFloat , // 下限
$this -> FontSize + $this -> FontSize / $this -> FontSizeFloat); // 上限
// 設定字型基本點 x (左右控制)
$Location_x = $FunLeft + ( $i * $this -> FontSize + $this -> FontSize / $this -> FontBE) + $this -> FontBX;
// 設定字型基本點 y (上下控制)
$Location_y = mt_rand ( $this -> FontSize - $this -> FontSize / $this -> FontBE ,
$this -> FontSize + $this -> FontSize / $this -> FontBE);
imagettftext( $this -> Image , $RandSize , mt_rand ( - $this -> FontLean , $this -> FontLean) , $Location_x , $Location_y ,
$FunFontColor , $FontType , iconv ( ' gb2312 ' , ' UTF-8 ' , $RandText ));
}
imageantialias( $this -> Image , true );
$_SESSION [ " SESSION_ID " ] = $this -> SID;
if ( $this -> OutPutWay == 0 )
{
$_SESSION [ " SESSION_KEY " ] = $m_Cade ;
$this -> OutPutText = $m_Cade ;
} else if ( $this -> OutPutWay == 1 ) {
$EnText = sha1 ( strrev ( md5 ( $m_Cade )));
$_SESSION [ " ENCRYPT_KEY " ] = $EnText ;
$this -> OutPutText = sha1 ( strrev ( md5 ( $m_Cade )));
} else {
$EnText = sha1 ( strrev ( md5 ( $m_Cade )));
$_SESSION [ " ENCRYPT_KEY " ] = $EnText ;
$_SESSION [ " SESSION_KEY " ] = $m_Cade ;
$this -> OutPutText = array ( 0 => $m_Cade , 1 => $EnText );
}
// 幹擾資訊出現在第一層的判斷
if ( $this -> NoisePosition == true ) $this -> setNoise();
header ( " Content-type: image/png " );
imagePng( $this -> Image);
imagedestroy( $this -> Image);
}
private function setNoise()
{
// 安排邊框
$this -> setBorser();
// 安排點性幹擾
$this -> setDotNoise();
// 安排線性幹擾
$this -> setLineNoise();
}
private function setBorser()
{
if ( $this -> Border)
{
if ( $this -> BorderWay == ' auto ' )
{
$BorderColor = imageColorAllocate( $this -> Image , mt_rand ( $this -> BorderCol_r[ 0 ] , $this -> BorderCol_r[ 1 ]) ,
mt_rand ( $this -> BorderCol_b[ 0 ] , $this -> BorderCol_b[ 1 ]) ,
mt_rand ( $this -> BorderCol_g[ 0 ] , $this -> BorderCol_g[ 1 ]));
imageRectangle( $this -> Image , 0 , 0 , $this -> ImgWidth - 1 , $this -> ImgHeight - 1 , $BorderColor );
} else {
$BorderColor = $this -> FetchColor( $this -> BorderWay);
imageRectangle( $this -> Image , 0 , 0 , $this -> ImgWidth - 1 , $this -> ImgHeight - 1 , $BorderColor );
}
return true ;
} else {
return false ;
}
}
private function setDotNoise()
{
if ( $this -> DotNoise)
{
if ( $this -> DotNoiseWay == ' auto ' )
{
for ( $i = 0 ; $i < $this -> DotNoisePix; $i ++ ){
$randColor = imageColorAllocate( $this -> Image , mt_rand ( $this -> DotNoiseCol_r[ 0 ] , $this -> DotNoiseCol_r[ 1 ]) ,
mt_rand ( $this -> DotNoiseCol_b[ 0 ] , $this -> DotNoiseCol_b[ 1 ]) ,
mt_rand ( $this -> DotNoiseCol_g[ 0 ] , $this -> DotNoiseCol_g[ 1 ]));
imageSetPixel( $this -> Image , mt_rand ( 0 , $this -> ImgWidth) , mt_rand ( 0 , $this -> ImgHeight) , $randColor );
}
} else {
$DotColor = $this -> FetchColor( $this -> DotNoiseWay);
for ( $i = 0 ; $i < $this -> DotNoisePix; $i ++ ){
imageSetPixel( $this -> Image , mt_rand ( 0 , $this -> ImgWidth) , mt_rand ( 0 , $this -> ImgHeight) , $DotColor );
}
}
return true ;
} else {
return false ;
}
}
private function setLineNoise()
{
if ( $this -> LineNoise)
{
if ( $this -> LineNoiseWay == ' auto ' )
{
for ( $i = 0 ; $i < $this -> LineNoisePix; $i ++ )
{
$LineColor = imageColorAllocate( $this -> Image , mt_rand ( $this -> LineNoiseCol_r[ 0 ] , $this -> LineNoiseCol_r[ 1 ]) ,
mt_rand ( $this -> LineNoiseCol_b[ 0 ] , $this -> LineNoiseCol_b[ 1 ]) ,
mt_rand ( $this -> LineNoiseCol_g[ 0 ] , $this -> LineNoiseCol_g[ 1 ]));
imageline( $this -> Image , mt_rand ( 0 , $this -> ImgWidth) , mt_rand ( 0 , $this -> ImgHeight) ,
mt_rand ( 0 , $this -> ImgWidth) , mt_rand ( 0 , $this -> ImgHeight) , $LineColor );
}
} else {
$LineColor = $this -> FetchColor( $this -> LineNoiseWay);
for ( $i = 0 ; $i < $this -> LineNoisePix; $i ++ )
{
imageline( $this -> Image , mt_rand ( 0 , $this -> ImgWidth) , mt_rand ( 0 , $this -> ImgHeight) ,
mt_rand ( 0 , $this -> ImgWidth) , mt_rand ( 0 , $this -> ImgHeight) , $LineColor );
}
}
}
}
private function FetchColor( $Color = '' )
{
$Color = ereg_replace ( " ^# " , "" , $Color );
$r = $Color [ 0 ] . $Color [ 1 ];
$r = hexdec ( $r );
$b = $Color [ 2 ] . $Color [ 3 ];
$b = hexdec ( $b );
$g = $Color [ 4 ] . $Color [ 5 ];
$g = hexdec ( $g );
$Color = imagecolorallocate ( $this -> Image , $r , $b , $g );
return $Color ;
}
}
?>
必須設定好，所需要的字型檔案及其他資源。
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