func (r *Request) QueryValue(key string) string {
	return r.URL.Query().Get(key)
}
func (r *Request) QueryValue(key string) string {
	return r.URL.Query().Get(key)
}
func ( r * Request ) QueryValue ( key string ) string { return r . URL . Query ( ) . Get ( key ) }
// QueryValue returns the value in the GET query string
QueryValue returns the value in the GET query string