用qt做了简易的串口通讯界面，怎么创建一个按键，只要按下，就会自动发送一个固定的十六进制值（比如0x01）。有方法的话，可以提供一下实现的代码吗 感谢感谢🙏🏻
你可以参考下这篇文章https://blog.csdn.net/weixin_43676892/article/details/116840344?ops_request_misc=%257B%2522request%255Fid%2522%253A%2522164758594316780357269753%2522%252C%2522scm%2522%253A%252220140713.130102334.pc%255Fblog.%2522%257D&request_id=164758594316780357269753&biz_id=0&utm_medium=distribute.pc_search_result.none-task-blog-2~blog~first_rank_ecpm_v1~rank_v31_ecpm-1-116840344.nonecase&utm_term=%E4%B8%B2%E5%8F%A3&spm=1018.2226.3001.4450
