因网上的中文验证很少，且还要组件，经过修正及调试做出来了，免费分享给大家，本验证码还加入AJAX刷新验证，使用户看不清楚即时刷新-Arising from on-line verification of the very few Chinese, and even components, as amended, and debugging to do, and free for everyone to share, the authentication code is also set to j

无限级联菜单，代码实现，调试通过，很好的代码-Unlimited cascading menu, the code implementation, debugging through the

Java串口调试助手将显示出串口调试助手，测试通信功能-Java serial debugging assistant will display the serial debugging assistant, test communications capabilities