基本逻辑完成

pkg/relay/portlist.go

@@ -0,0 +1,28 @@
+package relay
+
+import (
+	"fmt"
+	"log"
+
+	"go.bug.st/serial/enumerator"
+)
+
+func PrintPorts() {
+	ports, err := enumerator.GetDetailedPortsList()
+	if err != nil {
+		log.Fatal(err)
+	}
+	if len(ports) == 0 {
+		return
+	}
+	for _, port := range ports {
+		fmt.Printf("Port: %s\n", port.Name)
+		if port.Product != "" {
+			fmt.Printf("   Product Name: %s\n", port.Product)
+		}
+		if port.IsUSB {
+			fmt.Printf("   USB ID      : %s:%s\n", port.VID, port.PID)
+			fmt.Printf("   USB serial  : %s\n", port.SerialNumber)
+		}
+	}
+}