orderrpcv2/cancel.go

package orderrpcv2

import (
	"encoding/json"
	"errors"
)

func Cancel(site_id, dbname string, order_id string, url ...string) (*OrderCancelRes, error) {

	if dbname == "" || order_id == "" {
		return nil, errors.New("参数错误")
	}

	conn, err := rpc_server_conn(url...)
	if err != nil {
		return nil, err
	}
	defer conn.Close()

	data := make(map[string]string)

	data["dbname"] = dbname
	data["site_id"] = site_id

	req, err := SetReqData(data)
	if err != nil {
		return nil, err
	}
	res := &Response{}

	err = conn.Cancel(req, res)

	if err != nil {
		return nil, err
	}

	res_data_de, err := GetResData(res)
	if err != nil {
		return nil, err
	}
	if res_data_de == "" {
		return nil, nil
	}

	var res_arr OrderCancelRes

	err = json.Unmarshal([]byte(res_data_de), &res_arr)

	if err != nil {
		return nil, err
	}

	return &res_arr, nil

}