🐛 fix a bug.

main.go

@@ -42,8 +42,13 @@ func initNacos() {
 	}
 	portNum, _ := strconv.Atoi(port)
 	pp := uint64(portNum)
+	ip := "api-demo"
+	if ips := getIps(); ips != nil {
+		ip = ips[0]
+	}
+
 	success, err := client.RegisterInstance(vo.RegisterInstanceParam{
-		Ip:          "api-demo",
+		Ip:          ip,
 		Port:        pp,
 		Weight:      10,
 		Enable:      true,
@@ -70,24 +75,24 @@ func initNacos() {
 	//log.Println("监听配置失败: ", err.Error())
 }
 
-func getIps() string {
+func getIps() []string {
 	addrs, err := net.InterfaceAddrs()
 	if err != nil {
-		return ""
+		return nil
 	}
-	var aaaa []string
+	var ips []string
 	for _, address := range addrs {
 		// 检查ip地址判断是否回环地址
 		if ipnet, ok := address.(*net.IPNet); ok && !ipnet.IP.IsLoopback() {
 			if ipnet.IP.To4() != nil {
 				ip := ipnet.IP.String()
 				fmt.Println(ip)
-				aaaa = append(aaaa, ip)
+				ips = append(ips, ip)
 			}
 		}
 	}
-	ipStr := strings.Join(aaaa, ",")
-	return ipStr
+	//ipStr := strings.Join(aaaa, ",")
+	return ips
 }
 
 func main() {
@@ -107,7 +112,7 @@ func main() {
 	})
 
 	app.GET("/ip", func(context *gin.Context) {
-		context.String(http.StatusOK, getIps())
+		context.String(http.StatusOK, strings.Join(getIps(), ","))
 	})
 	app.Run(fmt.Sprintf(":%v", port))
 }