95 lines
2.5 KiB
Go
95 lines
2.5 KiB
Go
package weixinpay
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import (
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"encoding/xml"
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"io"
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)
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var (
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tradeStates = map[string]string{
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"SUCCESS": "支付成功",
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"REFUND": "转入退款",
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"NOTPAY": "未支付",
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"CLOSED": "已关闭",
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"REVOKED": "已撤销（刷卡支付）",
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"USERPAYING": "用户支付中",
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"PAYERROR": "支付失败(其他原因，如银行返回失败)",
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}
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)
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func GetTradeState(s string) string {
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return tradeStates[s]
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}
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type PayResult struct {
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XMLName xml.Name `xml:"xml"`
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ReturnCode string `xml:"return_code"`
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ReturnMsg string `xml:"return_msg"`
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AppId string `xml:"appid"`
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MchId string `xml:"mch_id"`
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NonceStr string `xml:"nonce_str"`
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Sign string `xml:"sign"`
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ResultCode string `xml:"result_code"`
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ErrCode string `xml:"err_code"`
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ErrCodeDesc string `xml:"err_code_des"`
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DeviceInfo string `xml:"device_info"`
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TradeType string `xml:"trade_type"`
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OpenId string `xml:"open_id"`
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IsSubscribe string `xml:"is_subscribe"`
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TradeState string `xml:"trade_state"`
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TradeStateDesc string `xml:"trade_state_desc"`
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BankType string `xml:"bank_type"`
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TotalFee int64 `xml:"total_fee"`
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FeeType string `xml:"fee_type"`
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CashFee int64 `xml:"cash_fee"`
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CashFeeType string `xml:"cash_fee_type"`
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CouponFee int64 `xml:"coupon_fee"`
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CouponCount int `xml:"coupon_count"`
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// TODO:
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//coupon_id_$n
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//coupon_fee_$n
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TransactionId string `xml:"transaction_id"`
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OutTradeNO string `xml:"out_trade_no"`
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ProductId string `xml:"product_id"`
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Attach string `xml:"attach"` // 商家数据包
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TimeEnd string `xml:"time_end"` // 支付完成时间 yyyyMMddHHmmss
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}
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func (p *PayResult) IsSuccess() bool {
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return p.ReturnCode == "SUCCESS"
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}
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func (p *PayResult) Error() *Error {
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if !p.IsSuccess() {
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return GetError(p.ErrCode)
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}
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return nil
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}
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func ParsePayResult(data []byte) (*PayResult, error) {
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var result PayResult
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err := xml.Unmarshal(data, &result)
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if err != nil {
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return nil, err
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}
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return &result, nil
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}
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type NotifyResponse struct {
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XMLName xml.Name `xml:"xml"`
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ReturnCode string `xml:"return_code"` // SUCCESS/FAIL
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ReturnMsg string `xml:"return_msg"`
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}
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type ScanResponse struct {
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Params
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AppKey string
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}
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func (s *ScanResponse) WriteTo(w io.Writer) (int, error) {
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sign := Sign(s.Params, s.AppKey)
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s.Params = append(s.Params, Param{"sign", sign})
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return w.Write([]byte(s.Params.ToXmlString()))
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}
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