增加vendor

This commit is contained in:
hoteas
2022-05-24 13:49:25 +08:00
parent c3a24eeb3c
commit 65ece0418e
742 changed files with 509206 additions and 0 deletions
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# 微信支付
[官方文档](https://pay.weixin.qq.com/wiki/doc/api/index.html)
## 快速入门
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package config
// Config .config for pay
type Config struct {
AppID string `json:"app_id"`
MchID string `json:"mch_id"`
Key string `json:"key"`
NotifyURL string `json:"notify_url"`
}
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package notify
import (
"github.com/silenceper/wechat/v2/pay/config"
)
// Notify 回调
type Notify struct {
*config.Config
}
// NewNotify new
func NewNotify(cfg *config.Config) *Notify {
return &Notify{cfg}
}
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package notify
import (
"fmt"
"reflect"
"sort"
"strings"
"github.com/fatih/structs"
"github.com/silenceper/wechat/v2/util"
"github.com/spf13/cast"
)
// doc: https://pay.weixin.qq.com/wiki/doc/api/jsapi.php?chapter=9_7&index=8
// PaidResult 下单回调
type PaidResult struct {
ReturnCode *string `xml:"return_code"`
ReturnMsg *string `xml:"return_msg"`
AppID *string `xml:"appid" json:"appid"`
MchID *string `xml:"mch_id"`
DeviceInfo *string `xml:"device_info"`
NonceStr *string `xml:"nonce_str"`
Sign *string `xml:"sign"`
SignType *string `xml:"sign_type"`
ResultCode *string `xml:"result_code"`
ErrCode *string `xml:"err_code"`
ErrCodeDes *string `xml:"err_code_des"`
OpenID *string `xml:"openid"`
IsSubscribe *string `xml:"is_subscribe"`
TradeType *string `xml:"trade_type"`
TradeState *string `xml:"trade_state"`
BankType *string `xml:"bank_type"`
TotalFee *int `xml:"total_fee"`
SettlementTotalFee *int `xml:"settlement_total_fee"`
FeeType *string `xml:"fee_type"`
CashFee *string `xml:"cash_fee"`
CashFeeType *string `xml:"cash_fee_type"`
CouponFee *int `xml:"coupon_fee"`
CouponCount *int `xml:"coupon_count"`
// coupon_type_$n 这里只声明 3 个,如果有更多的可以自己组合
CouponType0 *string `xml:"coupon_type_0"`
CouponType1 *string `xml:"coupon_type_1"`
CouponType2 *string `xml:"coupon_type_2"`
CouponID0 *string `xml:"coupon_id_0"`
CouponID1 *string `xml:"coupon_id_1"`
CouponID2 *string `xml:"coupon_id_2"`
CouponFee0 *string `xml:"coupon_fee_0"`
CouponFee1 *string `xml:"coupon_fee_1"`
CouponFee2 *string `xml:"coupon_fee_2"`
TransactionID *string `xml:"transaction_id"`
OutTradeNo *string `xml:"out_trade_no"`
Attach *string `xml:"attach"`
TimeEnd *string `xml:"time_end"`
}
// PaidResp 消息通知返回
type PaidResp struct {
ReturnCode string `xml:"return_code"`
ReturnMsg string `xml:"return_msg"`
}
// PaidVerifySign 支付成功结果验签
func (notify *Notify) PaidVerifySign(notifyRes PaidResult) bool {
// STEP1, 转换 struct 为 map,并对 map keys 做排序
resMap := structs.Map(notifyRes)
sortedKeys := make([]string, 0, len(resMap))
for k := range resMap {
sortedKeys = append(sortedKeys, k)
}
sort.Strings(sortedKeys)
// STEP2, 对key=value的键值对用&连接起来,略过空值 & sign
var signStrings string
for _, k := range sortedKeys {
value := fmt.Sprintf("%v", cast.ToString(resMap[k]))
if value != "" && strings.ToLower(k) != "sign" {
signStrings = signStrings + getTagKeyName(k, &notifyRes) + "=" + value + "&"
}
}
// STEP3, 在键值对的最后加上key=API_KEY
signStrings = signStrings + "key=" + notify.Key
// STEP4, 根据SignType计算出签名
var signType string
if notifyRes.SignType != nil {
signType = *notifyRes.SignType
}
sign, err := util.CalculateSign(signStrings, signType, notify.Key)
if err != nil {
return false
}
if sign != *notifyRes.Sign {
return false
}
return true
}
func getTagKeyName(key string, notifyRes *PaidResult) string {
s := reflect.TypeOf(notifyRes).Elem()
f, _ := s.FieldByName(key)
name := f.Tag.Get("xml")
return name
}
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package notify
import (
"crypto/md5"
"encoding/base64"
"encoding/hex"
"encoding/xml"
"errors"
"github.com/silenceper/wechat/v2/util"
)
// reference: https://pay.weixin.qq.com/wiki/doc/api/jsapi.php?chapter=9_16&index=10
// RefundedResult 退款回调
type RefundedResult struct {
ReturnCode *string `xml:"return_code"`
ReturnMsg *string `xml:"return_msg"`
AppID *string `xml:"appid"`
MchID *string `xml:"mch_id"`
NonceStr *string `xml:"nonce_str"`
ReqInfo *string `xml:"req_info"`
}
// RefundedReqInfo 退款结果(明文)
type RefundedReqInfo struct {
TransactionID *string `xml:"transaction_id"`
OutTradeNO *string `xml:"out_trade_no"`
RefundID *string `xml:"refund_id"`
OutRefundNO *string `xml:"out_refund_no"`
TotalFee *int `xml:"total_fee"`
SettlementTotalFee *int `xml:"settlement_total_fee"`
RefundFee *int `xml:"refund_fee"`
SettlementRefundFee *int `xml:"settlement_refund_fee"`
RefundStatus *string `xml:"refund_status"`
SuccessTime *string `xml:"success_time"`
RefundRecvAccount *string `xml:"refund_recv_accout"`
RefundAccount *string `xml:"refund_account"`
RefundRequestSource *string `xml:"refund_request_source"`
}
// RefundedResp 消息通知返回
type RefundedResp struct {
ReturnCode string `xml:"return_code"`
ReturnMsg string `xml:"return_msg"`
}
// DecryptReqInfo 对退款结果进行解密
func (notify *Notify) DecryptReqInfo(result *RefundedResult) (*RefundedReqInfo, error) {
var err error
if result == nil || result.ReqInfo == nil {
return nil, errors.New("empty refunded_result or req_info")
}
base64Decode, err := base64.StdEncoding.DecodeString(*result.ReqInfo)
if err != nil {
return nil, err
}
hash := md5.New()
if _, err = hash.Write([]byte(notify.Key)); err != nil {
return nil, err
}
md5APIKey := hex.EncodeToString(hash.Sum(nil))
data, err := util.AesECBDecrypt(base64Decode, []byte(md5APIKey))
if err != nil {
return nil, err
}
res := &RefundedReqInfo{}
if err = xml.Unmarshal(data, res); err != nil {
return nil, err
}
return res, nil
}
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package order
import (
"encoding/xml"
"errors"
"github.com/silenceper/wechat/v2/util"
)
// https://pay.weixin.qq.com/wiki/doc/api/jsapi.php?chapter=9_3
var closeGateway = "https://api.mch.weixin.qq.com/pay/closeorder"
// CloseParams 传入的参数
type CloseParams struct {
OutTradeNo string // 商户订单号
SignType string // 签名类型
}
// closeRequest 接口请求参数
type closeRequest struct {
AppID string `xml:"appid"` // 公众账号ID
MchID string `xml:"mch_id"` // 商户号
NonceStr string `xml:"nonce_str"` // 随机字符串
Sign string `xml:"sign"` // 签名
SignType string `xml:"sign_type,omitempty"` // 签名类型
OutTradeNo string `xml:"out_trade_no"` // 商户订单号
}
// CloseResult 关闭订单返回结果
type CloseResult struct {
ReturnCode *string `xml:"return_code"`
ReturnMsg *string `xml:"return_msg"`
AppID *string `xml:"appid" json:"appid"`
MchID *string `xml:"mch_id"`
NonceStr *string `xml:"nonce_str"`
Sign *string `xml:"sign"`
ResultCode *string `xml:"result_code"`
ResultMsg *string `xml:"result_msg"`
ErrCode *string `xml:"err_code"`
ErrCodeDes *string `xml:"err_code_des"`
}
// CloseOrder 关闭订单
func (o *Order) CloseOrder(p *CloseParams) (closeResult CloseResult, err error) {
nonceStr := util.RandomStr(32)
// 签名类型
if p.SignType == "" {
p.SignType = "MD5"
}
params := make(map[string]string)
params["appid"] = o.AppID
params["mch_id"] = o.MchID
params["nonce_str"] = nonceStr
params["out_trade_no"] = p.OutTradeNo
params["sign_type"] = p.SignType
var (
sign string
rawRet []byte
)
sign, err = util.ParamSign(params, o.Key)
if err != nil {
return
}
request := closeRequest{
AppID: o.AppID,
MchID: o.MchID,
NonceStr: nonceStr,
Sign: sign,
OutTradeNo: p.OutTradeNo,
SignType: p.SignType,
}
rawRet, err = util.PostXML(closeGateway, request)
if err != nil {
return
}
err = xml.Unmarshal(rawRet, &closeResult)
if err != nil {
return
}
if *closeResult.ReturnCode == SUCCESS {
// close success
if *closeResult.ResultCode == SUCCESS {
err = nil
return
}
err = errors.New(*closeResult.ErrCode + *closeResult.ErrCodeDes)
return
}
err = errors.New("[msg : xmlUnmarshalError] [rawReturn : " + string(rawRet) + "] [sign : " + sign + "]")
return
}
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package order
import (
"encoding/xml"
"errors"
"strconv"
"strings"
"time"
"github.com/silenceper/wechat/v2/pay/config"
"github.com/silenceper/wechat/v2/util"
)
// https://pay.weixin.qq.com/wiki/doc/api/jsapi.php?chapter=9_1
var payGateway = "https://api.mch.weixin.qq.com/pay/unifiedorder"
// SUCCESS 表示支付成功
const SUCCESS = "SUCCESS"
// Order struct extends context
type Order struct {
*config.Config
}
// NewOrder return an instance of order package
func NewOrder(cfg *config.Config) *Order {
order := Order{cfg}
return &order
}
// Params was NEEDED when request Unified order
// 传入的参数,用于生成 prepay_id 的必需参数
type Params struct {
TotalFee string
CreateIP string
Body string
OutTradeNo string
TimeExpire string // 订单失效时间,格式为yyyyMMddHHmmss,如2009年12月27日9点10分10秒表示为20091227091010。
OpenID string
TradeType string
SignType string
Detail string
Attach string
GoodsTag string
NotifyURL string
}
// Config 是传出用于 js sdk 用的参数
type Config struct {
Timestamp string `json:"timestamp"`
NonceStr string `json:"nonceStr"`
PrePayID string `json:"prePayId"`
SignType string `json:"signType"`
Package string `json:"package"`
PaySign string `json:"paySign"`
}
// ConfigForApp 是传出用于 app sdk 用的参数
type ConfigForApp struct {
AppID string `json:"appid"`
MchID string `json:"partnerid"` // 微信支付分配的商户号
PrePayID string `json:"prepayid"`
Package string `json:"package"`
NonceStr string `json:"nonceStr"`
Timestamp string `json:"timestamp"`
Sign string `json:"sign"`
}
// PreOrder 是 Unified order 接口的返回
type PreOrder struct {
ReturnCode string `xml:"return_code"`
ReturnMsg string `xml:"return_msg"`
AppID string `xml:"appid,omitempty"`
MchID string `xml:"mch_id,omitempty"`
NonceStr string `xml:"nonce_str,omitempty"`
Sign string `xml:"sign,omitempty"`
ResultCode string `xml:"result_code,omitempty"`
TradeType string `xml:"trade_type,omitempty"`
PrePayID string `xml:"prepay_id,omitempty"`
CodeURL string `xml:"code_url,omitempty"`
MWebURL string `xml:"mweb_url,omitempty"`
ErrCode string `xml:"err_code,omitempty"`
ErrCodeDes string `xml:"err_code_des,omitempty"`
}
// payRequest 接口请求参数
type payRequest struct {
AppID string `xml:"appid"` // 公众账号ID
MchID string `xml:"mch_id"` // 商户号
DeviceInfo string `xml:"device_info,omitempty"` // 设备号
NonceStr string `xml:"nonce_str"` // 随机字符串
Sign string `xml:"sign"` // 签名
SignType string `xml:"sign_type,omitempty"` // 签名类型
Body string `xml:"body"` // 商品描述
Detail string `xml:"detail,omitempty"` // 商品详情
Attach string `xml:"attach,omitempty"` // 附加数据
OutTradeNo string `xml:"out_trade_no"` // 商户订单号
FeeType string `xml:"fee_type,omitempty"` // 标价币种
TotalFee string `xml:"total_fee"` // 标价金额
SpbillCreateIP string `xml:"spbill_create_ip"` // 终端IP
TimeStart string `xml:"time_start,omitempty"` // 交易起始时间
TimeExpire string `xml:"time_expire,omitempty"` // 交易结束时间
GoodsTag string `xml:"goods_tag,omitempty"` // 订单优惠标记
NotifyURL string `xml:"notify_url"` // 通知地址
TradeType string `xml:"trade_type"` // 交易类型
ProductID string `xml:"product_id,omitempty"` // 商品ID
LimitPay string `xml:"limit_pay,omitempty"` // 指定支付方式
OpenID string `xml:"openid,omitempty"` // 用户标识
SceneInfo string `xml:"scene_info,omitempty"` // 场景信息
XMLName struct{} `xml:"xml"`
}
func (req *payRequest) BridgePayRequest(p *Params, AppID, MchID, nonceStr, sign string) *payRequest {
request := payRequest{
AppID: AppID,
MchID: MchID,
NonceStr: nonceStr,
Sign: sign,
Body: p.Body,
OutTradeNo: p.OutTradeNo,
TotalFee: p.TotalFee,
SpbillCreateIP: p.CreateIP,
NotifyURL: p.NotifyURL,
TradeType: p.TradeType,
OpenID: p.OpenID,
SignType: p.SignType,
Detail: p.Detail,
Attach: p.Attach,
GoodsTag: p.GoodsTag,
}
return &request
}
// BridgeConfig get js bridge config
func (o *Order) BridgeConfig(p *Params) (cfg Config, err error) {
var (
buffer strings.Builder
timestamp = strconv.FormatInt(time.Now().Unix(), 10)
)
order, err := o.PrePayOrder(p)
if err != nil {
return
}
buffer.WriteString("appId=")
buffer.WriteString(order.AppID)
buffer.WriteString("&nonceStr=")
buffer.WriteString(order.NonceStr)
buffer.WriteString("&package=")
buffer.WriteString("prepay_id=" + order.PrePayID)
buffer.WriteString("&signType=")
buffer.WriteString(p.SignType)
buffer.WriteString("&timeStamp=")
buffer.WriteString(timestamp)
buffer.WriteString("&key=")
buffer.WriteString(o.Key)
sign, err := util.CalculateSign(buffer.String(), p.SignType, o.Key)
if err != nil {
return
}
// 签名
cfg.PaySign = sign
cfg.NonceStr = order.NonceStr
cfg.Timestamp = timestamp
cfg.PrePayID = order.PrePayID
cfg.SignType = p.SignType
cfg.Package = "prepay_id=" + order.PrePayID
return
}
// BridgeAppConfig get app bridge config
func (o *Order) BridgeAppConfig(p *Params) (cfg ConfigForApp, err error) {
var (
timestamp = strconv.FormatInt(time.Now().Unix(), 10)
noncestr = util.RandomStr(32)
_package = "Sign=WXPay"
)
order, err := o.PrePayOrder(p)
if err != nil {
return
}
result := map[string]string{
"appid": order.AppID,
"partnerid": order.MchID,
"prepayid": order.PrePayID,
"package": _package,
"noncestr": noncestr,
"timestamp": timestamp,
}
// 签名
sign, err := util.ParamSign(result, o.Key)
if err != nil {
return
}
result["sign"] = sign
cfg = ConfigForApp{
AppID: result["appid"],
MchID: result["partnerid"],
PrePayID: result["prepayid"],
Package: result["package"],
NonceStr: result["noncestr"],
Timestamp: result["timestamp"],
Sign: result["sign"],
}
return
}
// PrePayOrder return data for invoke wechat payment
func (o *Order) PrePayOrder(p *Params) (payOrder PreOrder, err error) {
nonceStr := util.RandomStr(32)
// 通知地址
if len(p.NotifyURL) == 0 {
p.NotifyURL = o.NotifyURL // 默认使用order.NotifyURL
}
// 签名类型
if p.SignType == "" {
p.SignType = util.SignTypeMD5
}
param := map[string]string{
"appid": o.AppID,
"body": p.Body,
"mch_id": o.MchID,
"nonce_str": nonceStr,
"out_trade_no": p.OutTradeNo,
"spbill_create_ip": p.CreateIP,
"total_fee": p.TotalFee,
"trade_type": p.TradeType,
"openid": p.OpenID,
"sign_type": p.SignType,
"detail": p.Detail,
"attach": p.Attach,
"goods_tag": p.GoodsTag,
"notify_url": p.NotifyURL,
}
if p.TimeExpire != "" {
// 如果有传入交易结束时间
param["time_expire"] = p.TimeExpire
}
sign, err := util.ParamSign(param, o.Key)
if err != nil {
return
}
request := new(payRequest).BridgePayRequest(p, o.AppID, o.MchID, nonceStr, sign)
if len(p.TimeExpire) > 0 {
// 如果有传入交易结束时间
request.TimeExpire = p.TimeExpire
}
rawRet, err := util.PostXML(payGateway, request)
if err != nil {
return
}
err = xml.Unmarshal(rawRet, &payOrder)
if err != nil {
return
}
if payOrder.ReturnCode == SUCCESS {
// pay success
if payOrder.ResultCode == SUCCESS {
err = nil
return
}
err = errors.New(payOrder.ErrCode + payOrder.ErrCodeDes)
return
}
err = errors.New("[msg : xmlUnmarshalError] [rawReturn : " + string(rawRet) + "] [sign : " + sign + "]")
return
}
// PrePayID will request wechat merchant api and request for a pre payment order id
func (o *Order) PrePayID(p *Params) (prePayID string, err error) {
order, err := o.PrePayOrder(p)
if err != nil {
return
}
if order.PrePayID == "" {
err = errors.New("empty prepayid")
}
prePayID = order.PrePayID
return
}
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package order
import (
"encoding/xml"
"errors"
"github.com/silenceper/wechat/v2/pay/notify"
"github.com/silenceper/wechat/v2/util"
)
var queryGateway = "https://api.mch.weixin.qq.com/pay/orderquery"
// QueryParams 传入的参数
type QueryParams struct {
OutTradeNo string // 商户订单号
SignType string // 签名类型
TransactionID string // 微信订单号
}
// queryRequest 接口请求参数
type queryRequest struct {
AppID string `xml:"appid"` // 公众账号ID
MchID string `xml:"mch_id"` // 商户号
NonceStr string `xml:"nonce_str"` // 随机字符串
Sign string `xml:"sign"` // 签名
SignType string `xml:"sign_type,omitempty"` // 签名类型
TransactionID string `xml:"transaction_id"` // 微信订单号
OutTradeNo string `xml:"out_trade_no"` // 商户订单号
}
// QueryOrder 查询订单
func (o *Order) QueryOrder(p *QueryParams) (paidResult notify.PaidResult, err error) {
nonceStr := util.RandomStr(32)
// 签名类型
if p.SignType == "" {
p.SignType = "MD5"
}
params := make(map[string]string)
params["appid"] = o.AppID
params["mch_id"] = o.MchID
params["nonce_str"] = nonceStr
params["out_trade_no"] = p.OutTradeNo
params["sign_type"] = p.SignType
params["transaction_id"] = p.TransactionID
sign, err := util.ParamSign(params, o.Key)
if err != nil {
return
}
request := queryRequest{
AppID: o.AppID,
MchID: o.MchID,
NonceStr: nonceStr,
Sign: sign,
OutTradeNo: p.OutTradeNo,
TransactionID: p.TransactionID,
SignType: p.SignType,
}
rawRet, err := util.PostXML(queryGateway, request)
if err != nil {
return
}
err = xml.Unmarshal(rawRet, &paidResult)
if err != nil {
return
}
if *paidResult.ReturnCode == SUCCESS {
// query success
if *paidResult.ResultCode == SUCCESS {
err = nil
return
}
err = errors.New(*paidResult.ErrCode + *paidResult.ErrCodeDes)
return
}
err = errors.New("[msg : xmlUnmarshalError] [rawReturn : " + string(rawRet) + "] [sign : " + sign + "]")
return
}
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package pay
import (
"github.com/silenceper/wechat/v2/pay/config"
"github.com/silenceper/wechat/v2/pay/notify"
"github.com/silenceper/wechat/v2/pay/order"
"github.com/silenceper/wechat/v2/pay/refund"
"github.com/silenceper/wechat/v2/pay/transfer"
)
// Pay 微信支付相关API
type Pay struct {
cfg *config.Config
}
// NewPay 实例化微信支付相关API
func NewPay(cfg *config.Config) *Pay {
return &Pay{cfg}
}
// GetOrder 下单
func (pay *Pay) GetOrder() *order.Order {
return order.NewOrder(pay.cfg)
}
// GetNotify 通知
func (pay *Pay) GetNotify() *notify.Notify {
return notify.NewNotify(pay.cfg)
}
// GetRefund 退款
func (pay *Pay) GetRefund() *refund.Refund {
return refund.NewRefund(pay.cfg)
}
// GetTransfer 付款
func (pay *Pay) GetTransfer() *transfer.Transfer {
return transfer.NewTransfer(pay.cfg)
}
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package refund
import (
"encoding/xml"
"fmt"
"github.com/silenceper/wechat/v2/pay/config"
"github.com/silenceper/wechat/v2/util"
)
var refundGateway = "https://api.mch.weixin.qq.com/secapi/pay/refund"
// Refund struct extends context
type Refund struct {
*config.Config
}
// NewRefund return an instance of refund package
func NewRefund(cfg *config.Config) *Refund {
refund := Refund{cfg}
return &refund
}
// Params 调用参数
type Params struct {
TransactionID string
OutRefundNo string
OutTradeNo string
TotalFee string
RefundFee string
RefundDesc string
RootCa string // ca证书
NotifyURL string
SignType string
}
// request 接口请求参数
type request struct {
AppID string `xml:"appid"`
MchID string `xml:"mch_id"`
NonceStr string `xml:"nonce_str"`
Sign string `xml:"sign"`
SignType string `xml:"sign_type,omitempty"`
TransactionID string `xml:"transaction_id,omitempty"`
OutTradeNo string `xml:"out_trade_no,omitempty"`
OutRefundNo string `xml:"out_refund_no"`
TotalFee string `xml:"total_fee"`
RefundFee string `xml:"refund_fee"`
RefundDesc string `xml:"refund_desc,omitempty"`
NotifyURL string `xml:"notify_url,omitempty"`
}
// Response 接口返回
type Response struct {
ReturnCode string `xml:"return_code"`
ReturnMsg string `xml:"return_msg"`
AppID string `xml:"appid,omitempty"`
MchID string `xml:"mch_id,omitempty"`
NonceStr string `xml:"nonce_str,omitempty"`
Sign string `xml:"sign,omitempty"`
ResultCode string `xml:"result_code,omitempty"`
ErrCode string `xml:"err_code,omitempty"`
ErrCodeDes string `xml:"err_code_des,omitempty"`
TransactionID string `xml:"transaction_id,omitempty"`
OutTradeNo string `xml:"out_trade_no,omitempty"`
OutRefundNo string `xml:"out_refund_no,omitempty"`
RefundID string `xml:"refund_id,omitempty"`
RefundFee string `xml:"refund_fee,omitempty"`
SettlementRefundFee string `xml:"settlement_refund_fee,omitempty"`
TotalFee string `xml:"total_fee,omitempty"`
SettlementTotalFee string `xml:"settlement_total_fee,omitempty"`
FeeType string `xml:"fee_type,omitempty"`
CashFee string `xml:"cash_fee,omitempty"`
CashFeeType string `xml:"cash_fee_type,omitempty"`
}
// Refund 退款申请
func (refund *Refund) Refund(p *Params) (rsp Response, err error) {
param := refund.GetSignParam(p)
sign, err := util.ParamSign(param, refund.Key)
if err != nil {
return
}
req := request{
AppID: param["appid"],
MchID: param["mch_id"],
NonceStr: param["nonce_str"],
Sign: sign,
SignType: param["sign_type"],
OutRefundNo: param["out_refund_no"],
TotalFee: param["total_fee"],
RefundFee: param["refund_fee"],
RefundDesc: param["refund_desc"],
NotifyURL: param["notify_url"],
}
if p.OutTradeNo != "" {
req.OutTradeNo = p.OutTradeNo
}
if p.TransactionID != "" {
req.TransactionID = p.TransactionID
}
rawRet, err := util.PostXMLWithTLS(refundGateway, req, p.RootCa, refund.MchID)
if err != nil {
return
}
err = xml.Unmarshal(rawRet, &rsp)
if err != nil {
return
}
if rsp.ReturnCode == "SUCCESS" {
if rsp.ResultCode == "SUCCESS" {
err = nil
return
}
err = fmt.Errorf("refund error, errcode=%s,errmsg=%s", rsp.ErrCode, rsp.ErrCodeDes)
return
}
err = fmt.Errorf("[msg : xmlUnmarshalError] [rawReturn : %s] [sign : %s]", string(rawRet), sign)
return
}
// GetSignParam 获取签名的参数
func (refund *Refund) GetSignParam(p *Params) (param map[string]string) {
nonceStr := util.RandomStr(32)
param = make(map[string]string)
param["appid"] = refund.AppID
param["mch_id"] = refund.MchID
param["nonce_str"] = nonceStr
param["out_refund_no"] = p.OutRefundNo
param["refund_desc"] = p.RefundDesc
param["refund_fee"] = p.RefundFee
param["total_fee"] = p.TotalFee
if p.SignType == "" {
param["sign_type"] = util.SignTypeMD5
}
if p.OutTradeNo != "" {
param["out_trade_no"] = p.OutTradeNo
}
if p.TransactionID != "" {
param["transaction_id"] = p.TransactionID
}
if p.NotifyURL != "" {
param["notify_url"] = p.NotifyURL
}
return param
}
+135
View File
@@ -0,0 +1,135 @@
package transfer
import (
"encoding/xml"
"fmt"
"strconv"
"github.com/silenceper/wechat/v2/pay/config"
"github.com/silenceper/wechat/v2/util"
)
// 付款到零钱
// https://pay.weixin.qq.com/wiki/doc/api/tools/mch_pay.php?chapter=14_2
var walletTransferGateway = "https://api.mch.weixin.qq.com/mmpaymkttransfers/promotion/transfers"
// Transfer struct extends context
type Transfer struct {
*config.Config
}
// NewTransfer return an instance of Transfer package
func NewTransfer(cfg *config.Config) *Transfer {
transfer := Transfer{cfg}
return &transfer
}
// Params 调用参数
type Params struct {
DeviceInfo string
PartnerTradeNo string
OpenID string
CheckName bool
ReUserName string
Amount int
Desc string
SpbillCreateIP string
RootCa string // ca证书
}
// request 接口请求参数
type request struct {
AppID string `xml:"mch_appid"`
MchID string `xml:"mchid"`
NonceStr string `xml:"nonce_str"`
Sign string `xml:"sign"`
DeviceInfo string `xml:"device_info,omitempty"`
PartnerTradeNo string `xml:"partner_trade_no"`
OpenID string `xml:"openid"`
CheckName string `xml:"check_name"`
ReUserName string `xml:"re_user_name,omitempty"`
Amount int `xml:"amount"`
Desc string `xml:"desc"`
SpbillCreateIP string `xml:"spbill_create_ip,omitempty"`
}
// Response 接口返回
type Response struct {
ReturnCode string `xml:"return_code"`
ReturnMsg string `xml:"return_msg"`
AppID string `xml:"appid,omitempty"`
MchID string `xml:"mch_id,omitempty"`
DeviceInfo string `xml:"device_info,omitempty"`
NonceStr string `xml:"nonce_str,omitempty"`
ResultCode string `xml:"result_code,omitempty"`
ErrCode string `xml:"err_code,omitempty"`
ErrCodeDes string `xml:"err_code_des,omitempty"`
PartnerTradeNo string `xml:"partner_trade_no"`
PaymentNo string `xml:"payment_no"`
PaymentTime string `xml:"payment_time"`
}
// WalletTransfer 付款到零钱
func (transfer *Transfer) WalletTransfer(p *Params) (rsp *Response, err error) {
nonceStr := util.RandomStr(32)
param := make(map[string]string)
param["mch_appid"] = transfer.AppID
param["mchid"] = transfer.MchID
param["nonce_str"] = nonceStr
param["partner_trade_no"] = p.PartnerTradeNo
param["openid"] = p.OpenID
param["amount"] = strconv.Itoa(p.Amount)
param["desc"] = p.Desc
if p.DeviceInfo != "" {
param["device_info"] = p.DeviceInfo
}
param["check_name"] = "NO_CHECK"
if p.CheckName {
param["check_name"] = "FORCE_CHECK"
param["re_user_name"] = p.ReUserName
}
if p.SpbillCreateIP != "" {
param["spbill_create_ip"] = p.SpbillCreateIP
}
sign, err := util.ParamSign(param, transfer.Key)
if err != nil {
return
}
req := request{
AppID: transfer.AppID,
MchID: transfer.MchID,
NonceStr: nonceStr,
Sign: sign,
DeviceInfo: p.DeviceInfo,
PartnerTradeNo: p.PartnerTradeNo,
OpenID: p.OpenID,
Amount: p.Amount,
Desc: p.Desc,
SpbillCreateIP: p.SpbillCreateIP,
}
req.CheckName = "NO_CHECK"
if p.CheckName {
req.CheckName = "FORCE_CHECK"
req.ReUserName = p.ReUserName
}
rawRet, err := util.PostXMLWithTLS(walletTransferGateway, req, p.RootCa, transfer.MchID)
if err != nil {
return
}
err = xml.Unmarshal(rawRet, &rsp)
if err != nil {
return
}
if rsp.ReturnCode == "SUCCESS" {
if rsp.ResultCode == "SUCCESS" {
err = nil
return
}
err = fmt.Errorf("transfer error, errcode=%s,errmsg=%s", rsp.ErrCode, rsp.ErrCodeDes)
return
}
err = fmt.Errorf("[msg : xmlUnmarshalError] [rawReturn : %s] [sign : %s]", string(rawRet), sign)
return
}