feat: 新增微信支付查询结果 (#380)

* feat: 增加微信支付查询结果 * feat: 增加微信支付查询结果 * fix: 修复golangci-lint失败 * fix: 修复golangci-lint失败 * refactor: 微信支付结果查询错误友好提示
2026-02-10 15:52:26 +08:00 · 2021-03-05 15:34:46 +08:00
parent ad3cc913b0
commit 7ca0317d84
3 changed files with 1168 additions and 14 deletions
--- a/pay/order/query.go
+++ b/pay/order/query.go
@@ -0,0 +1,82 @@
+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
+}