huang
a308ee228b
- pkg/fuiou/types.go: WxPreCreateRequest/Response、NotifyRequest 等 XML 结构体 - pkg/fuiou/client.go: Client 结构体、NewClient、字典序+GBK+MD5+RSA 签名/验签、HTTP 请求 - pkg/fuiou/wxprecreate.go: WxPreCreate 方法，支持公众号 JSAPI（JSAPI）和小程序（LETPAY） - pkg/fuiou/notify.go: VerifyNotify（GBK→UTF-8+XML 解析+RSA 验签）、BuildNotifyResponse Ultraworked with [Sisyphus](https://github.com/code-yeongyu/oh-my-opencode) Co-authored-by: Sisyphus <clio-agent@sisyphuslabs.ai>
57 lines
1.4 KiB
Go
57 lines
1.4 KiB
Go
package fuiou
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import (
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"fmt"
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"go.uber.org/zap"
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)
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// WxPreCreate 微信预下单（公众号JSAPI + 小程序）
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// tradeType: "JSAPI"（公众号）或 "LETPAY"（小程序）
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// subAppid: 公众号或小程序 AppID
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// subOpenid: 用户在对应应用下的 OpenID
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func (c *Client) WxPreCreate(orderNo, amount, goodsDesc, termIP, tradeType, subAppid, subOpenid string) (*WxPreCreateResponse, error) {
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req := &WxPreCreateRequest{
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Version: "1.0",
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InsCd: c.InsCd,
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MchntCd: c.MchntCd,
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TermId: c.TermId,
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RandomStr: generateRandomStr(),
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MchntOrderNo: orderNo,
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TradeType: tradeType,
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OrderAmt: amount,
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GoodsDesc: goodsDesc,
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TermIp: termIP,
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NotifyUrl: c.NotifyURL,
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SubAppid: subAppid,
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SubOpenid: subOpenid,
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}
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sign, err := c.Sign(req)
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if err != nil {
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return nil, fmt.Errorf("签名失败: %w", err)
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}
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req.Sign = sign
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var resp WxPreCreateResponse
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if err := c.DoRequest("/wxPreCreate", req, &resp); err != nil {
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return nil, fmt.Errorf("请求富友失败: %w", err)
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}
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if resp.ResultCode != "000000" {
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c.logger.Error("富友预下单失败",
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zap.String("order_no", orderNo),
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zap.String("result_code", resp.ResultCode),
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zap.String("result_msg", resp.ResultMsg),
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)
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return nil, fmt.Errorf("富友预下单失败: %s", resp.ResultMsg)
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}
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c.logger.Info("富友预下单成功",
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zap.String("order_no", orderNo),
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zap.String("trade_type", tradeType),
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)
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return &resp, nil
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}
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