构建API服务
创建greet服务
$ cd ~/go-zero-demo
$ go mod init go-zero-demo
$ goctl api new greet
Done.
查看一下greet服务的结构
$ cd greet
$ tree
.
├── etc
│ └── greet-api.yaml
├── greet.api
├── greet.go
└── internal
├── config
│ └── config.go
├── handler
│ ├── greethandler.go
│ └── routes.go
├── logic
│ └── greetlogic.go
├── svc
│ └── servicecontext.go
└── types
└── types.go
由以上目录结构可以观察到，greet服务虽小，但"五脏俱全"。接下来我们就可以在greetlogic.go中编写业务代码了。
编写逻辑
$ vim ~/go-zero-demo/greet/internal/logic/greetlogic.go
func (l *GreetLogic) Greet(req types.Request) (*types.Response, error) {
return &types.Response{
Message: "Hello go-zero",
}, nil
}
启动并访问服务
- 启动服务
$ cd ~/go-zero-demo/greet
$ go run greet.go -f etc/greet-api.yaml
Starting server at 0.0.0.0:8888...
- 访问服务
$ curl -i -X GET \
http://localhost:8888/from/you
HTTP/1.1 200 OK
Content-Type: application/json
Date: Sun, 07 Feb 2021 04:31:25 GMT
Content-Length: 27
{"message":"Hello go-zero"}