这是Qt利用linux的inotify机制写的USB鼠标监测，可动态识别插拔，亲测效果。插拔事件已通过信号与槽表现出来。-This is the Qt use linux s inotify monitoring mechanism to write to the USB mouse, you can dynamically identify plug, pro-test results. Plug event has manifested through the signals and slo