70 lines
1.2 KiB
Go
70 lines
1.2 KiB
Go
// client.go
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package main
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import (
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"context"
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"log"
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"time"
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"go-micro.dev/v4"
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"go-micro.dev/v4/client"
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"go-micro.dev/v4/registry"
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"go.etcd.io/etcd/client/v3"
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)
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type LoginRequest struct {
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Username string
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Password string
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}
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type LoginResponse struct {
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Token string
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}
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func main() {
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// 1. 创建 etcd 客户端
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etcdClient, err := clientv3.New(clientv3.Config{
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Endpoints: []string{"127.0.0.1:2379"},
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DialTimeout: 5 * time.Second,
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})
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if err != nil {
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log.Fatal(err)
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}
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defer etcdClient.Close()
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// 2. 创建注册中心
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reg := registry.NewRegistry(
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registry.Addrs("127.0.0.1:2379"),
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)
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// 3. 创建微服务客户端
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service := micro.NewService(
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micro.Registry(reg),
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)
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service.Init()
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// 4. 创建 RPC 客户端
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userService := micro.NewService(
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micro.Name("user.client"),
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micro.Registry(reg),
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)
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userService.Init()
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// 5. 调用远程服务
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req := client.NewRequest(
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"user.service", // 服务名
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"UserService.Login", // 方法名
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&LoginRequest{ // 请求参数
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Username: "admin",
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Password: "123456",
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},
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)
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rsp := &LoginResponse{}
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if err := userService.Client().Call(context.Background(), req, rsp); err != nil {
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log.Fatal("调用失败:", err)
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}
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log.Printf("登录成功，Token: %s", rsp.Token)
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}
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