元数据 API

1. "根路径 - API 信息和版本"

1. route definition

• Url: /api/v1
• Method: GET
• Request: RootRequest
• Response: RootResponse

2. request definition

type RootRequest struct {
}

3. response definition

type RootResponse struct {
	Code int `json:"code"`
	Message string `json:"message"`
	Data interface{} `json:"data,omitempty"`
}