105 lines
2.6 KiB
Go
105 lines
2.6 KiB
Go
package payment
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import (
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"encoding/hex"
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"fmt"
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"net/url"
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"strings"
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"time"
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)
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// CreatePaymentLinkWithBackUrl 创建支付链接（带 fromId 判断）
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func (c *Client) CreatePaymentLinkWithBackUrl(req PaymentLinkRequest) (*PaymentLinkResponse, error) {
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returnUrl := c.cfg.ReturnUrl
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if req.BackUrl != "" {
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returnUrl = req.BackUrl
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}
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hasQuery := len(c.cfg.PayUrl) > 0 && strings.Contains(c.cfg.PayUrl, "?")
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orderData := map[string]string{
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"merchantNo": c.cfg.MchtNo,
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"orderInfos": req.ProductName,
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"orderNo": req.OrderNo,
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"amount": req.Price,
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"successUrl": hex.EncodeToString([]byte(returnUrl)),
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"acctType": "2",
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"notifyUrl": hex.EncodeToString([]byte(c.cfg.NotifyUrl)),
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}
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signData := map[string]string{
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"merchantNo": c.cfg.MchtNo,
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"orderNo": req.OrderNo,
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"amount": req.Price,
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}
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tysdPayParams, enKey, err := c.EncryptMobile(MapToString(orderData), MapToString(signData))
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if err != nil {
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return nil, fmt.Errorf("加密支付参数失败: %v", err)
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}
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payUrl := ""
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if c.cfg.PayUrl != "" {
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payUrl = c.cfg.PayUrl
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}
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// https://static.mobile-bank.psbc.com/static/back/jump.html/?pageId=50000000&h5Type=9079& tysdPayParams=密文&tysdShopid=XXX & tysdEncryptKey =XXX& returnUrl =XXX
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if hasQuery {
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payUrl = fmt.Sprintf("%s&tysdPayParams=%s&tysdShopid=%s&tysdEncryptKey=%s&returnUrl=%s",
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payUrl,
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tysdPayParams,
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c.cfg.ShopId,
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enKey,
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url.QueryEscape(returnUrl),
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)
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} else {
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payUrl = fmt.Sprintf("%s?tysdPayParams=%s&tysdShopid=%s&tysdEncryptKey=%s&returnUrl=%s",
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payUrl,
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tysdPayParams,
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c.cfg.ShopId,
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enKey,
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url.QueryEscape(returnUrl),
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)
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}
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plainText := c.cfg.MchtNo + "|" + req.OrderNo + "|" + req.Price
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signature := HmacSha256To16(c.cfg.Sha, plainText)
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return &PaymentLinkResponse{
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OrderNo: req.OrderNo,
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NotifyUrl: c.cfg.NotifyUrl,
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Sign: signature,
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PlainText: plainText,
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PayUrl: payUrl,
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}, nil
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}
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func contains(s, substr string) bool {
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return len(s) > 0 && len(substr) > 0 && strings.Contains(s, substr)
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}
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// CreateHandCodePayParams 生成 handCodePay 插件参数
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func (c *Client) CreateHandCodePayParams(req PaymentLinkRequest) (*HandCodePayResponse, error) {
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plainText := c.cfg.MchtNo + "|" + req.OrderNo + "|" + req.Price
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signature := HmacSha256To16(c.cfg.Sha, plainText)
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txnDt := time.Now().Format("2006-01-02")
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plain := fmt.Sprintf("TermSsn=%s|MercCode=%s|TranAmt=%s|MercUrl=%s|psbcmcc=%s|BackLink=%s|TxnDt=%s",
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req.OrderNo,
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c.cfg.MchtNo,
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req.Price,
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c.cfg.NotifyUrl,
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c.cfg.Psbcmcc,
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req.BackUrl,
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txnDt,
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)
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return &HandCodePayResponse{
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Plain: plain,
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Sign: signature,
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PlainText: plainText,
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Signature: "",
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}, nil
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}
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