Java验证码 patchca

     <p>patchca 是一个简单但功能强大的验证码的Java类库。</p>    <p><img alt="Java验证码 patchca" src="https://simg.open-open.com/show/561ed94e2e1ed7a2f77f05275fc8ee3c.png" width="160" height="70" /><br /> <br /> </p>    <p><strong>项目主页：</strong><a href="http://www.open-open.com/lib/view/home/1324535468936" target="_blank">http://www.open-open.com/lib/view/home/1324535468936</a></p>