主要是串口数据的收发！ 写了一个GUI界面，包括一些常用的控件，文件的读写，出错的简单处理，弹出对话框等 可能还有一些错误，欢迎拍砖！ 调试在matlab7.0.4上通过！-Mainly to send and receive serial data! Wrote a GUI interface, including some commonly used control, file read and write, a simple error handling, pop-up d