添加用户微服务

user-consumer/main.go

@@ -0,0 +1,69 @@
+// client.go
+package main
+
+import (
+	"context"
+	"log"
+	"time"
+
+	"go-micro.dev/v4"
+	"go-micro.dev/v4/client"
+	"go-micro.dev/v4/registry"
+	"go.etcd.io/etcd/client/v3"
+)
+
+type LoginRequest struct {
+	Username string
+	Password string
+}
+
+type LoginResponse struct {
+	Token string
+}
+
+func main() {
+	// 1. 创建 etcd 客户端
+	etcdClient, err := clientv3.New(clientv3.Config{
+		Endpoints:   []string{"127.0.0.1:2379"},
+		DialTimeout: 5 * time.Second,
+	})
+	if err != nil {
+		log.Fatal(err)
+	}
+	defer etcdClient.Close()
+
+	// 2. 创建注册中心
+	reg := registry.NewRegistry(
+		registry.Addrs("127.0.0.1:2379"),
+	)
+
+	// 3. 创建微服务客户端
+	service := micro.NewService(
+		micro.Registry(reg),
+	)
+	service.Init()
+
+	// 4. 创建 RPC 客户端
+	userService := micro.NewService(
+		micro.Name("user.client"),
+		micro.Registry(reg),
+	)
+	userService.Init()
+
+	// 5. 调用远程服务
+	req := client.NewRequest(
+		"user.service",      // 服务名
+		"UserService.Login", // 方法名
+		&LoginRequest{ // 请求参数
+			Username: "admin",
+			Password: "1234567",
+		},
+	)
+
+	rsp := &LoginResponse{}
+	if err := userService.Client().Call(context.Background(), req, rsp); err != nil {
+		log.Fatal("调用失败:", err)
+	}
+
+	log.Printf("登录成功，Token: %s", rsp.Token)
+}