php实现验证码的识别(中级篇)

<?php // author email: ugg.xchj@gmail.com // 本代码仅供学习参考，不提供任何技术保证。 // 切勿使用本代码用于非法用处，违者后果自负。 include_once("files.php"); class valite { public function setImage($Image) { $this->ImagePath = $Image; } public function getData() { return $this->data; } public function study($info) { // 做成字符串 $data = array(); $i = 0; foreach($this->data as $key => $value) { $data[$i] = ""; foreach($value as $skey => $svalue) { $data[$i] .= implode("",$svalue); } if(strlen($data[$i]) > $maxfontwith) ++$i; } if(count($data) != count($info)) { // echo count($data)."\n"; // print_r($data); // echo count($info)."\n"; echo "设置数据库数据出错"; print_r($data); return false; } // 设置N级匹配模式 foreach($info as $key => $value) { if(isset($this->Keys[0][$value])){ // print_r($value); $percent=0.0; similar_text($this->Keys[0][$value], $data[$key],$percent); // print_r($percent); // print_r(" \n"); if(intval($percent) < 96) { $i=1; $OK = false; while(isset($this->Keys[$i][$value])) { $percent=0.0; // print_r($value); similar_text($this->Keys[$i][$value], $data[$key],$percent); // print_r($percent); // print_r(" \n"); if(intval($percent) > 96){ $OK = true; break; } ++$i; } if(!$OK){ // while(!isset($this->Keys[$i++][$value])){ // print_r($i); // print_r($i); // print_r(" \n"); $this->Keys[$i][$value] = $data[$key]; // $i++; // } } } }else{ $this->Keys[0][$value] = $data[$key]; } } return true; } public function getResult() { return $this->DataArray; } public function getHec() { $res = imagecreatefromjpeg($this->ImagePath); $size = getimagesize($this->ImagePath); $data = array(); for($i=0; $i < $size[1]; ++$i) { // echo "$i R G B\n"; for($j=0; $j < $size[0]; ++$j) { $rgb = imagecolorat($res,$j,$i); $rgbarray = imagecolorsforindex($res, $rgb); // echo " ".$rgbarray['red']." "; // echo $rgbarray['green']." "; // echo $rgbarray['blue']." \n"; // /* if($rgbarray['red'] > 120 &&( $rgbarray['green']<80 || $rgbarray['blue'] < 80)) { $data[$i][$j]=1; }else{ $data[$i][$j]=0; } // */ } } // 如果1的周围数字不为1，修改为了0 for($i=0; $i < $size[1]; ++$i) { for($j=0; $j < $size[0]; ++$j) { $num = 0; if($data[$i][$j] == 1) { // 上 if(isset($data[$i-1][$j])){ $num = $num + $data[$i-1][$j]; } // 下 if(isset($data[$i+1][$j])){ $num = $num + $data[$i+1][$j]; } // 左 if(isset($data[$i][$j-1])){ $num = $num + $data[$i][$j-1]; } // 右 if(isset($data[$i][$j+1])){ $num = $num + $data[$i][$j+1]; } // 上左 if(isset($data[$i-1][$j-1])){ $num = $num + $data[$i-1][$j-1]; } // 上右 if(isset($data[$i-1][$j+1])){ $num = $num + $data[$i-1][$j+1]; } // 下左 if(isset($data[$i+1][$j-1])){ $num = $num + $data[$i+1][$j-1]; } // 下右 if(isset($data[$i+1][$j+1])){ $num = $num + $data[$i+1][$j+1]; } } if($num == 0){ $data[$i][$j] = 0; } } } $this->DataArray = $data; $this->ImageSize = $size; } public function run() { $result=""; // 做成字符串 // 做成字符串 $data = array(); $i = 0; foreach($this->data as $key => $value) { $data[$i] = ""; foreach($value as $skey => $svalue) { $data[$i] .= implode("",$svalue); } if(strlen($data[$i]) > $maxfontwith) ++$i; } // 进行关键字匹配 foreach($data as $numKey => $numString) { // print_r($numString); $max=0.0; $num = 0; foreach($this->Keys as $key => $value) { $FindOk = false; // print_r($value); foreach($value as $skey => $svalue) { // print_r($svalue); $percent=0.0; similar_text($svalue, $numString,$percent); // print_r($percent); // echo " "; if(intval($percent) > $max) { $max = $percent; $num = $skey; if(intval($percent) > 96){ $FindOk = true; break; } } } if($FindOk) break; } // echo "\n max="; // echo $max; // echo "\n"; // echo $num."\n"; $result.=$num; } // 查找最佳匹配数字 return $result; } public function bmp2jpeg($file){ $res = $this->imagecreatefrombmp($file); imagejpeg($res,$file.".jpeg"); } public function filterInfo() { $data=array(); $num = 0; $b = false; $Continue = 0; $XStart = 0; // X 坐标 for($i=0; $i<$this->ImageSize[0]; ++$i) { // Y 坐标 for($j=0; $j<$this->ImageSize[1]; ++$j) { if($this->DataArray[$j][$i] == "1") { $b = true; ++$Continue; break; }else{ $b = false; } } if($b == true) { for($jj = 0; $jj < $this->ImageSize[1]; ++$jj) { $data[$num][$jj][$XStart] = $this->DataArray[$jj][$i]; } ++$XStart; }else{ if($Continue > 0){ $XStart = 0; $Continue = 0; ++$num; } } } // 粘连字符分割 $inum = 0; for($num =0; $num < count($data); ++$num) { $itemp = 5; $str = implode("",$data[$num][$itemp]); // 超过标准长度 if(strlen($str) > $this->maxfontwith) { $len = (strlen($str)+1)/2; $flen = strlen($str); $ih = 0; // $iih = 0; foreach($data[$num] as $key => $value) { $ix = 0; $ixx = 0; foreach($value as $skey=>$svalue) { if($skey < $len) { $this->data[$inum][$ih][$ix] = $svalue; ++$ix; } if($skey > ($flen-$len-1)) { $this->data[$inum+1][$ih][$ixx] = $svalue; ++$ixx; } } ++$ih; } ++$inum; }else{ $i = 0; foreach($data[$num] as $key => $value){ $this->data[$inum][$i] = $value; ++$i; } } ++$inum; } // 去掉0数据 for($num = 0; $num < count($this->data); ++$num) { if(count($this->data[$num]) != $this->ImageSize[1]) { echo "分割字符错误"; die(); } for($i=0; $i < $this->ImageSize[1]; ++$i) { $str = implode("",$this->data[$num][$i]); $pos = strpos($str, "1"); if($pos === false) { unset($this->data[$num][$i]); } } } } public function Draw() { for($i=0; $i<$this->ImageSize[1]; ++$i) { echo implode("",$this->DataArray[$i]); echo "\n"; } } public function imagecreatefrombmp($file) { global $CurrentBit, $echoMode; $f=fopen($file,"r"); $Header=fread($f,2); if($Header=="BM") { $Size=$this->freaddword($f); $Reserved1=$this->freadword($f); $Reserved2=$this->freadword($f); $FirstByteOfImage=$this->freaddword($f); $SizeBITMAPINFOHEADER=$this->freaddword($f); $Width=$this->freaddword($f); $Height=$this->freaddword($f); $biPlanes=$this->freadword($f); $biBitCount=$this->freadword($f); $RLECompression=$this->freaddword($f); $WidthxHeight=$this->freaddword($f); $biXPelsPerMeter=$this->freaddword($f); $biYPelsPerMeter=$this->freaddword($f); $NumberOfPalettesUsed=$this->freaddword($f); $NumberOfImportantColors=$this->freaddword($f); if($biBitCount<24) { $img=imagecreate($Width,$Height);