go get -u github.com/rookiejin/swagger

swagger -main main.go

    package somepkg

    // @def Model  <- defined Model use @def
    type Model struct{
        Id int <- support int* float* , bson.ObjectId , if it`s array please use definitions
        SomeArray []Array `swag:"Array"` <- the Array should be defined
    }
    // @def Array
    type Array struct {
        SomeStruct string
    }

    // @Param fieldName InWhere Type isRequired Description
    // @Param name query string true "name of the pets"
    // @Param file formData file true  "the file to upload "
    // @Param pets body @Model true "the defined model"
    // @Param page path string false "page in path"

    // @Success 200 {object} @ArticleTag "ok"
    // @Failure 400 {object} @ArticleTag "error message"