本人用的是网上的Java版本，经过本人的改良只剩下验证码识别。
有人运行出现了4个#，解决方法如下：
1、如果是单独运行imagepreprocess.java则把srcpath和trainpath改成你此项目的具体路径+字典路径，如下：
public static String srcPath = "C:\\Users\\liujin\\Workspaces\\MyEclipse 10\\WhxyJw\\WebRoot\\images\\ctrackcode\\srcimg\\"; public static String trainPath ="C:\\Users\\liujin\\Workspaces\\MyEclipse 10\\WhxyJw\\WebRoot\\images\\ctrackcode\\trainimg\\";
2、如果是jsp运行，则修改项目里面的basepath.jsp
将此工程导入myeclipse
ImagePreProcess.srcPath = ctrackcode_srcimg;
ImagePreProcess.trainPath = ctrackcode_trainimg;
String name = request.getParameter("c").toString(); //给图片加个缓存名称
String checkcodeUrl = request.getParameter("url").toString(); //此图片的地址
String checkCodeImg="a";
String secretcode = "";
try{
checkCodeImg = ImagePreProcess.downloadImage(checkcodeUrl+"?", name+".png");
}catch(Exception e){
}
if (checkCodeImg != "a" ||checkCodeImg != null ) {
secretcode = ImagePreProcess.getAllOcr(checkCodeImg);
File ml =new File(checkCodeImg);
ml.delete();
out.print(secretcode);
}测试地址：
http://www.unique-liu.com:8080/WhxyJw/yzm.jsp?c=312fz&url=http://61.142.33.204/CheckCode.aspx
若非正方教务平台的请改这里的值：
----非正方区----
修改那两个值
----非正方结束----
由于众所周知，验证码需要加入cookie去获取
所以我单独写了一个php的请求验证码：
$url = "http://61.142.33.204/CheckCode.aspx";
$curl = curl_init();
if($_POST){
$cookie=$_POST['c'];
}else{
$cookie=$_GET['c'];
}
curl_setopt($curl, CURLOPT_URL, $url);
curl_setopt($curl, CURLOPT_COOKIE, $cookie);
curl_setopt($curl, CURLOPT_TIMEOUT, 10);
curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($curl, CURLOPT_FOLLOWLOCATION, 1);
$data = curl_exec($curl);
curl_close($curl);
$filename=substr($cookie,-10);
$a="./yzm/2".$filename.".png"; //将其保存为图片放在服务器
$fp = fopen($a,"wb");
fwrite($fp, $data);
fclose($fp);然后用保存在服务器的图片，用PHP请求识别：
//大众性
$login_url="http://www.kejibu.org:8080/WhxyJw/yzm.jsp";
$l=$login_url."?c={$filename}&url=http://www.kejibu.org/cx/yzm/2{$filename}.png";
//部分PHP传值会出现问题则用下面的
/*
$login_url="http://www.kejibu.org:8080/WhxyJw/yzm.jsp";
$fileurl="http://www.kejibu.org/cx/yzm/2{$filename}.png";
$fileurl=urlencode($fileurl);
$l=$login_url."?c={$filename}&url={$fileurl}";
*/
$ch=curl_init();
curl_setopt($ch, CURLOPT_URL,$l);
curl_setopt($ch, CURLOPT_FOLLOWLOCATION, 1);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($ch, CURLOPT_TIMEOUT, 10);
$yyy=curl_exec($ch);
curl_close($ch);
echo substr($yyy,-4);整合出来：
$url = "http://61.142.33.204/CheckCode.aspx";
$curl = curl_init();
if($_POST){
$cookie=$_POST['c'];
}else{
$cookie=$_GET['c'];
}
curl_setopt($curl, CURLOPT_URL, $url);
curl_setopt($curl, CURLOPT_COOKIE, $cookie);
curl_setopt($curl, CURLOPT_TIMEOUT, 10);
curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($curl, CURLOPT_FOLLOWLOCATION, 1);
$data = curl_exec($curl);
curl_close($curl);
$filename=substr($cookie,-10);
$a="./yzm/2".$filename.".png";
$fp = fopen($a,"wb");
fwrite($fp, $data);
fclose($fp);
$login_url="http://www.kejibu.org:8080/WhxyJw/yzm.jsp";
$l=$login_url."?c={$filename}&url=http://www.kejibu.org/cx/yzm/2{$filename}.png";
$ch=curl_init();
curl_setopt($ch, CURLOPT_URL,$l);
curl_setopt($ch, CURLOPT_FOLLOWLOCATION, 1);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($ch, CURLOPT_TIMEOUT, 10);
$yyy=curl_exec($ch);
curl_close($ch);
echo substr($yyy,-4);
unlink($a); //删除服务器保存的验证码图片返回的直接是识别出来的验证码。
正确率比对地址：
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