77 lines
2.6 KiB
Go
77 lines
2.6 KiB
Go
package alipay
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import (
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"context"
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"strconv"
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"bsm/full/module/finance/wallet/internal/config"
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"github.com/go-pay/gopay"
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"github.com/go-pay/gopay/alipay"
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)
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type AliPay struct {
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ctx context.Context
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Client *alipay.Client
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Body *gopay.BodyMap
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}
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func NewAlipay() (*AliPay, error) {
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// 初始化支付宝客户端
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// appid：应用ID
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// privateKey：应用私钥，支持PKCS1和PKCS8
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// isProd：是否是正式环境
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client, err := alipay.NewClient(config.Spec.Alipay.AppID, config.Spec.Alipay.PrivateKey, config.Spec.Alipay.IsProd)
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if err != nil {
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return nil, err
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}
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// 调试开关默认关闭，避免渠道请求/响应（含金额、订单号）写入进程日志
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client.DebugSwitch = gopay.DebugOff
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// 设置支付宝请求 公共参数
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client.SetLocation(alipay.LocationShanghai) // 设置时区，不设置或出错均为默认服务器时间
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client.SetCharset(alipay.UTF8) // 设置字符编码，不设置默认 utf-8
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client.SetSignType(alipay.RSA2) // 设置签名类型，不设置默认 RSA2
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client.SetReturnUrl(config.Spec.Alipay.ReturnURL) // 设置返回URL
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client.SetNotifyUrl(config.Spec.Alipay.NotifyURL) // 设置异步通知URL
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// 自动同步验签（只支持证书模式）
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// 传入 alipayCertPublicKey_RSA2.crt 内容
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client.AutoVerifySign([]byte(config.Spec.Alipay.PublicKeyRsa2Byte))
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// 公钥证书模式
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err = client.SetCertSnByPath(config.Spec.Alipay.CertPublicKey, config.Spec.Alipay.CertRoot, config.Spec.Alipay.CertPublicKeyRsa2)
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if err != nil {
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return nil, err
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}
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return &AliPay{
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ctx: context.Background(),
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Client: client,
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Body: &gopay.BodyMap{},
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}, nil
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}
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// SetBody 组装支付宝下单公共参数
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// productCode：WAP 场景为 QUICK_WAP_WAY，APP 场景为 QUICK_MSECURITY_PAY
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func (srv *AliPay) SetBody(body, orderNo string, amount int64, productCode string) {
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// 支付宝要求 total_amount 为两位小数的元字符串，不能用整数除法截断
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totalAmount := strconv.FormatFloat(float64(amount)/100, 'f', 2, 64)
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srv.Body.Set("subject", config.Spec.Wallet.Name).
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Set("body", body). //finance_payment表的identity
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Set("product_code", productCode).
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Set("out_trade_no", orderNo).
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Set("total_amount", totalAmount).
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Set("timeout_express", "60m").
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Set("quit_url", config.Spec.Alipay.QuitURL)
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}
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func (srv *AliPay) TradeWapPay() (string, error) {
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result, err := srv.Client.TradeWapPay(srv.ctx, *srv.Body)
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return result, err
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}
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func (srv *AliPay) TradeAppPay() (string, error) {
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result, err := srv.Client.TradeAppPay(srv.ctx, *srv.Body)
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return result, err
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}
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