func BindGetJSONData(url string, param req.Param, body interface{}) error {
	r, err := req.Get(url, param)
	if err != nil {
		return err
	}
	err = r.ToJSON(body)
	if err != nil {
		return err
	}
	return nil
}
// BindGetJSONData bind the json data of method GET
// body must be a point
BindGetJSONData bind the json data of method GET
body must be a point
// BindGetJSONData bind the json data of method GET // body must be a point
func BindGetJSONData(url string, param req.Param, body interface{}) error {
	r, err := req.Get(url, param)
	if err != nil {
		return err
	}
	err = r.ToJSON(body)
	if err != nil {
		return err
	}
	return nil
}
func BindGetJSONData ( url string , param req . Param , body interface { } ) error { r , err := req . Get ( url , param ) if err != nil { return err } err = r . ToJSON ( body ) if err != nil { return err } return nil }
BindGetJSONData bind the json data of method GET
body must be a point
BindGetJSONData bind the json data of method GET body must be a point