# gRPC

## 准备工作

### 安装

1. 下载protoc安装包 https://github.com/protocolbuffers/protobuf/releases

   <img src="image/readme/1667441066484.png" alt="1667441066484" style="zoom: 25%;" />
2. 解压，sudo cp bin/protoc /usr/local/go/bin

   <img src="image/readme/1667441327147.png" alt="1667441327147" style="zoom: 50%;" />
3. 第一次运行需要设置安全权限

   <img src="image/readme/1667441634711.png" alt="1667441634711" style="zoom: 25%;" />
4. protoc安装完成

   <img src="image/readme/1667442122047.png" alt="1667442122047" style="zoom: 50%;" />
5. **安装go语言生成器插件protoc-gen-go**
6. 
7. 

****go get google.golang.org/protobuf/cmd/protoc-gen-go****

**go build google.golang.org/protobuf/cmd/protoc-gen-go**

cp protoc-gen-go /usr/local/go/bin


**go get google.golang.org/grpc/cmd/protoc-gen-go-grpc**

**go build google.golang.org/grpc/cmd/protoc-gen-go-grpc**

cp protoc-gen-go-grpc /usr/local/go/bin


10. 


使用

**go get google.golang.org/grpc**

**go get google.golang.org/protobuf**

**protoc --go_out=. helloworld.proto --go-rpc_out=. helloworld.proto**