AlexStocks commented on a change in pull request #52:
URL: https://github.com/apache/dubbo-go-samples/pull/52#discussion_r587585406
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File path: helloworld/README.md
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@@ -0,0 +1,135 @@
+## Hello World Example
+
+### Configuration
+
+registy config
+
+```yaml
+# registry config
+registries:
+ "demoZk":
+ protocol: "zookeeper"
+ timeout: "3s"
+ address: "127.0.0.1:2181"
+
+```
+
+provider config
+
+```yaml
+# service config
+services:
+ # Reference ID
+ "UserProvider":
+ registry: "demoZk"
+ protocol: "dubbo"
+ interface: "org.apache.dubbo.UserProvider"
+ cluster: "failover"
+ methods:
+ - name: "GetUser"
+ retries: 1
+```
+
+consumer config
+
+```yaml
+# reference config
+references:
+ # Reference ID
+ "UserProvider":
+ registry: "demoZk"
+ protocol: "dubbo"
+ interface: "org.apache.dubbo.UserProvider"
+ cluster: "failover"
+ methods:
+ - name: "GetUser"
+ retries: 3
+```
+
+### Code
+
+provider
+
+```go
+// init
+func init() {
+ config.SetProviderService(new(UserProvider))
+ // ------for hessian2------
+ hessian.RegisterPOJO(&User{})
+}
+
+// define dto
+type User struct {
+ Id string
+ Name string
+ Age int32
+ Time time.Time
+}
+
+// implement POJO interface for hessian2
+func (u User) JavaClassName() string {
+ return "org.apache.dubbo.User"
+}
+
+// service define
+type UserProvider struct {
+}
+
+// interface define
+func (u *UserProvider) GetUser(ctx context.Context, req []interface{}) (*User,
error) {
+ //biz code...
+}
+
+// implement RPCService interface
+func (u *UserProvider) Reference() string {
+ return "UserProvider"
+}
+```
+
+consumer
+
+```go
+var userProvider = new(pkg.UserProvider)
+
+// init
+func init() {
+ config.SetConsumerService(userProvider)
+ hessian.RegisterPOJO(&pkg.User{})
+}
+
+// define dto
+type User struct {
+ Id string
Review comment:
Id -> ID
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