### Generated Go Struct for User

Source: https://github.com/lazygophers/codegen/blob/master/README.md

Example of the generated Go struct for the User message, including embedded gorm and role tags. Shows the structure after code generation, with fields like 'Id' and associated tags.

```go
...其余内容...

type User struct {
state         protoimpl.MessageState
sizeCache     protoimpl.SizeCache
unknownFields protoimpl.UnknownFields

// @gorm: primary_key
// @role: admin:wr;user:r
Id string `protobuf:"bytes,1,opt,name=id,proto3" json:"id,omitempty" gorm:"primary_key" role:"admin:wr;user:r"
}

...其余内容...
```

--------------------------------

### Protocol Buffer Definition for User

Source: https://github.com/lazygophers/codegen/blob/master/README.md

Defines a User message with gorm and role tags for code generation. Specifies the Go package and syntax.

```proto
syntax = "proto3";

package user;

option go_package = "github.com/lazygophers/user";

message User {
	// @gorm: primary_key
	// @role: admin:wr;user:r
	string id = 1;
}
```

--------------------------------

### Generate Protocol Buffer Go Code

Source: https://github.com/lazygophers/codegen/blob/master/README.md

Command to generate Go protobuf files from a .proto file using the codegen tool. It takes the input proto file path and generates corresponding .pb.go files.

```bash
codegen gen pb -i proto/hello.proto
```

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