context

type Context interface {
	Next()
	Abort()
	AbortWithError(string, error)
	AppendFilterFunc(ff ...FilterFunc)

	Status(code int)
	StatusCode() int
	WriteWithStatus(int, []byte) (int, error)
	Write([]byte) (int, error)
	AddHeader(k, v string)
	GetHeader(k string) string
	GetUrl() string
	GetMethod() string

	BuildFilters()

	API(router.API)
	GetAPI() *router.API
	Api(api *api.API)
	GetApi() *api.API

	GetClientIP() string
	GetApplicationName() string

	WriteErr(p interface{})
}

type FilterChain []FilterFunc

type FilterFunc func(Context)