添加发现金红包

Author: DeyiXu

README.md

@@ -16,4 +16,4 @@
 10. 交易保障
 11. 退款结果通知
 12. 拉取订单评价数据
-13. 发红包
+13. 现金红包 ✅

client.go

@@ -114,3 +114,34 @@ func (c *Client) UnifiedOrder(req *UnifiedOrderRequest) (resp *UnifiedOrderRespo
 	}
 	return
 }
+
+// SendredPack 发现金红包
+func (c *Client) SendredPack(req *SendredPackRequest) (resp *SendredPackResponse, err error) {
+	req.MchID = c.conf.MchID
+	err = req.SignMD5(c.conf.APIKey)
+	if err != nil {
+		return
+	}
+
+	var body []byte
+	body, err = c.execute("/mmpaymkttransfers/sendredpack", req)
+	if err != nil {
+		return
+	}
+
+	resp = new(SendredPackResponse)
+	err = xml.Unmarshal(body, resp)
+	if err != nil {
+		resp = nil
+		return
+	}
+	if resp.ReturnCode == "FAIL" {
+		err = fmt.Errorf("通信错误：%s", resp.ReturnMsg)
+		return
+	}
+	if resp.ResultCode == "FAIL" {
+		err = fmt.Errorf("业务错误：%s", resp.ErrCodeDes)
+		return
+	}
+	return
+}

sendred_pack.go

@@ -0,0 +1,58 @@
+package wxpay
+
+import (
+	"encoding/xml"
+
+	"github.com/nilorg/sdk/random"
+)
+
+// https://pay.weixin.qq.com/wiki/doc/api/tools/cash_coupon.php?chapter=13_4&index=3
+
+// SendredPackRequest 发红包
+type SendredPackRequest struct {
+	XMLName     xml.Name `xml:"xml"`
+	NonceStr    string   `xml:"nonce_str"`
+	Sign        string   `xml:"sign"`
+	MchBillno   string   `xml:"mch_billno"`
+	MchID       string   `xml:"mch_id"`
+	SendName    string   `xml:"send_name"`
+	ReOpenID    string   `xml:"re_openid"`
+	TotalAmount uint     `xml:"total_amount"`
+	TotalNum    uint     `xml:"total_num"`
+	Wishing     string   `xml:"wishing"`
+	ClientIP    string   `xml:"client_ip"`
+	ActName     string   `xml:"act_name"`
+	Remark      string   `xml:"remark"`
+	SceneID     string   `xml:"scene_id"`
+	RiskInfo    string   `xml:"risk_info"`
+}
+
+// NewSendredPackRequest 创建现金红包
+func NewSendredPackRequest() *SendredPackRequest {
+	return &SendredPackRequest{
+		NonceStr: random.AZaz09(32),
+	}
+}
+
+// SignMD5 md5
+func (req *SendredPackRequest) SignMD5(apiKey string) error {
+	params, err := SignStructToParameter(*req)
+	if err != nil {
+		return err
+	}
+	params["key"] = apiKey
+	value := SignMD5(params)
+	req.Sign = value
+	return nil
+}
+
+// SendredPackResponse ...
+type SendredPackResponse struct {
+	ResponseStatus
+	MchBillno   string `xml:"mch_billno"`
+	MchID       string `xml:"mch_id"`
+	WxAppID     string `xml:"wxappid"`
+	ReOpenID    string `xml:"re_openid"`
+	TotalAmount uint   `xml:"total_amount"`
+	SendListID  uint   `xml:"send_listid"`
+}