259 lines
7.8 KiB
Go
259 lines
7.8 KiB
Go
|
package service
|
|||
|
|
|
|||
|
|
import (
|
|||
|
|
"aedata-server/app/main/api/internal/config"
|
|||
|
|
"aedata-server/app/main/model"
|
|||
|
|
"aedata-server/pkg/lzkit/lzUtils"
|
|||
|
|
"context"
|
|||
|
|
"crypto/rand"
|
|||
|
|
"encoding/hex"
|
|||
|
|
"fmt"
|
|||
|
|
"net/http"
|
|||
|
|
"strconv"
|
|||
|
|
"sync/atomic"
|
|||
|
|
"time"
|
|||
|
|
|
|||
|
|
"github.com/smartwalle/alipay/v3"
|
|||
|
|
)
|
|||
|
|
|
|||
|
|
type AliPayService struct {
|
|||
|
|
config config.AlipayConfig
|
|||
|
|
AlipayClient *alipay.Client
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
// NewAliPayService 是一个构造函数，用于初始化 AliPayService
|
|||
|
|
func NewAliPayService(c config.Config) *AliPayService {
|
|||
|
|
client, err := alipay.New(c.Alipay.AppID, c.Alipay.PrivateKey, c.Alipay.IsProduction)
|
|||
|
|
if err != nil {
|
|||
|
|
panic(fmt.Sprintf("创建支付宝客户端失败: %v", err))
|
|||
|
|
}
|
|||
|
|
//// 加载支付宝公钥
|
|||
|
|
//err = client.LoadAliPayPublicKey(c.Alipay.AlipayPublicKey)
|
|||
|
|
//if err != nil {
|
|||
|
|
// panic(fmt.Sprintf("加载支付宝公钥失败: %v", err))
|
|||
|
|
//}
|
|||
|
|
|
|||
|
|
// 加载证书
|
|||
|
|
if err = client.LoadAppCertPublicKeyFromFile(c.Alipay.AppCertPath); err != nil {
|
|||
|
|
panic(fmt.Sprintf("加载应用公钥证书失败: %v", err))
|
|||
|
|
}
|
|||
|
|
if err = client.LoadAlipayCertPublicKeyFromFile(c.Alipay.AlipayCertPath); err != nil {
|
|||
|
|
panic(fmt.Sprintf("加载支付宝公钥证书失败: %v", err))
|
|||
|
|
}
|
|||
|
|
if err = client.LoadAliPayRootCertFromFile(c.Alipay.AlipayRootCertPath); err != nil {
|
|||
|
|
panic(fmt.Sprintf("加载根证书失败: %v", err))
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
return &AliPayService{
|
|||
|
|
config: c.Alipay,
|
|||
|
|
AlipayClient: client,
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
func (a *AliPayService) CreateAlipayAppOrder(amount float64, subject string, outTradeNo string) (string, error) {
|
|||
|
|
client := a.AlipayClient
|
|||
|
|
totalAmount := lzUtils.ToAlipayAmount(amount)
|
|||
|
|
// 构造移动支付请求
|
|||
|
|
p := alipay.TradeAppPay{
|
|||
|
|
Trade: alipay.Trade{
|
|||
|
|
Subject: subject,
|
|||
|
|
OutTradeNo: outTradeNo,
|
|||
|
|
TotalAmount: totalAmount,
|
|||
|
|
ProductCode: "QUICK_MSECURITY_PAY", // 移动端支付专用代码
|
|||
|
|
NotifyURL: a.config.NotifyUrl, // 异步回调通知地址
|
|||
|
|
},
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
// 获取APP支付字符串，这里会签名
|
|||
|
|
payStr, err := client.TradeAppPay(p)
|
|||
|
|
if err != nil {
|
|||
|
|
return "", fmt.Errorf("创建支付宝订单失败: %v", err)
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
return payStr, nil
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
// CreateAlipayH5Order 创建支付宝H5支付订单
|
|||
|
|
func (a *AliPayService) CreateAlipayH5Order(amount float64, subject string, outTradeNo string) (string, error) {
|
|||
|
|
client := a.AlipayClient
|
|||
|
|
totalAmount := lzUtils.ToAlipayAmount(amount)
|
|||
|
|
// 构造H5支付请求
|
|||
|
|
p := alipay.TradeWapPay{
|
|||
|
|
Trade: alipay.Trade{
|
|||
|
|
Subject: subject,
|
|||
|
|
OutTradeNo: outTradeNo,
|
|||
|
|
TotalAmount: totalAmount,
|
|||
|
|
ProductCode: "QUICK_WAP_PAY", // H5支付专用产品码
|
|||
|
|
NotifyURL: a.config.NotifyUrl, // 异步回调通知地址
|
|||
|
|
ReturnURL: a.config.ReturnURL,
|
|||
|
|
},
|
|||
|
|
}
|
|||
|
|
// 获取H5支付请求字符串，这里会签名
|
|||
|
|
payUrl, err := client.TradeWapPay(p)
|
|||
|
|
if err != nil {
|
|||
|
|
return "", fmt.Errorf("创建支付宝H5订单失败: %v", err)
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
return payUrl.String(), nil
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
// CreateAlipayOrder 根据平台类型创建支付宝支付订单
|
|||
|
|
func (a *AliPayService) CreateAlipayOrder(ctx context.Context, amount float64, subject string, outTradeNo string) (string, error) {
|
|||
|
|
// 根据 ctx 中的 platform 判断平台
|
|||
|
|
platform, platformOk := ctx.Value("platform").(string)
|
|||
|
|
if !platformOk {
|
|||
|
|
return "", fmt.Errorf("无的支付平台: %s", platform)
|
|||
|
|
}
|
|||
|
|
switch platform {
|
|||
|
|
case model.PlatformApp:
|
|||
|
|
// 调用App支付的创建方法
|
|||
|
|
return a.CreateAlipayAppOrder(amount, subject, outTradeNo)
|
|||
|
|
case model.PlatformH5:
|
|||
|
|
// 调用H5支付的创建方法，并传入 returnUrl
|
|||
|
|
return a.CreateAlipayH5Order(amount, subject, outTradeNo)
|
|||
|
|
default:
|
|||
|
|
return "", fmt.Errorf("不支持的支付平台: %s", platform)
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
// AliRefund 发起支付宝退款
|
|||
|
|
func (a *AliPayService) AliRefund(ctx context.Context, outTradeNo string, refundAmount float64) (*alipay.TradeRefundRsp, error) {
|
|||
|
|
refund := alipay.TradeRefund{
|
|||
|
|
OutTradeNo: outTradeNo,
|
|||
|
|
RefundAmount: lzUtils.ToAlipayAmount(refundAmount),
|
|||
|
|
OutRequestNo: fmt.Sprintf("refund-%s", outTradeNo),
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
// 发起退款请求
|
|||
|
|
refundResp, err := a.AlipayClient.TradeRefund(ctx, refund)
|
|||
|
|
if err != nil {
|
|||
|
|
return nil, fmt.Errorf("支付宝退款请求错误：%v", err)
|
|||
|
|
}
|
|||
|
|
return refundResp, nil
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
// HandleAliPaymentNotification 支付宝支付回调
|
|||
|
|
func (a *AliPayService) HandleAliPaymentNotification(r *http.Request) (*alipay.Notification, error) {
|
|||
|
|
// 解析表单
|
|||
|
|
err := r.ParseForm()
|
|||
|
|
if err != nil {
|
|||
|
|
return nil, fmt.Errorf("解析请求表单失败：%v", err)
|
|||
|
|
}
|
|||
|
|
// 解析并验证通知，DecodeNotification 会自动验证签名
|
|||
|
|
notification, err := a.AlipayClient.DecodeNotification(r.Form)
|
|||
|
|
if err != nil {
|
|||
|
|
return nil, fmt.Errorf("验证签名失败: %v", err)
|
|||
|
|
}
|
|||
|
|
return notification, nil
|
|||
|
|
}
|
|||
|
|
func (a *AliPayService) QueryOrderStatus(ctx context.Context, outTradeNo string) (*alipay.TradeQueryRsp, error) {
|
|||
|
|
queryRequest := alipay.TradeQuery{
|
|||
|
|
OutTradeNo: outTradeNo,
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
// 发起查询请求
|
|||
|
|
resp, err := a.AlipayClient.TradeQuery(ctx, queryRequest)
|
|||
|
|
if err != nil {
|
|||
|
|
return nil, fmt.Errorf("查询支付宝订单失败: %v", err)
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
// 返回交易状态
|
|||
|
|
if resp.IsSuccess() {
|
|||
|
|
return resp, nil
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
return nil, fmt.Errorf("查询支付宝订单失败: %v", resp.SubMsg)
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
// 添加全局原子计数器
|
|||
|
|
var alipayOrderCounter uint32 = 0
|
|||
|
|
|
|||
|
|
// GenerateOutTradeNo 生成唯一订单号的函数 - 优化版本
|
|||
|
|
func (a *AliPayService) GenerateOutTradeNo() string {
|
|||
|
|
|
|||
|
|
// 获取当前时间戳（毫秒级）
|
|||
|
|
timestamp := time.Now().UnixMilli()
|
|||
|
|
timeStr := strconv.FormatInt(timestamp, 10)
|
|||
|
|
|
|||
|
|
// 原子递增计数器
|
|||
|
|
counter := atomic.AddUint32(&alipayOrderCounter, 1)
|
|||
|
|
|
|||
|
|
// 生成4字节真随机数
|
|||
|
|
randomBytes := make([]byte, 4)
|
|||
|
|
_, err := rand.Read(randomBytes)
|
|||
|
|
if err != nil {
|
|||
|
|
// 如果随机数生成失败，回退到使用时间纳秒数据
|
|||
|
|
randomBytes = []byte(strconv.FormatInt(time.Now().UnixNano()%1000000, 16))
|
|||
|
|
}
|
|||
|
|
randomHex := hex.EncodeToString(randomBytes)
|
|||
|
|
|
|||
|
|
// 组合所有部分: 前缀 + 时间戳 + 计数器 + 随机数
|
|||
|
|
orderNo := fmt.Sprintf("%s%06x%s", timeStr[:10], counter%0xFFFFFF, randomHex[:6])
|
|||
|
|
|
|||
|
|
// 确保长度不超过32字符（大多数支付平台的限制）
|
|||
|
|
if len(orderNo) > 32 {
|
|||
|
|
orderNo = orderNo[:32]
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
return orderNo
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
// AliTransfer 支付宝单笔转账到支付宝账户（提现功能）
|
|||
|
|
func (a *AliPayService) AliTransfer(
|
|||
|
|
ctx context.Context,
|
|||
|
|
payeeAccount string, // 收款方支付宝账户
|
|||
|
|
payeeName string, // 收款方姓名
|
|||
|
|
amount float64, // 转账金额
|
|||
|
|
remark string, // 转账备注
|
|||
|
|
outBizNo string, // 商户转账唯一订单号（可使用GenerateOutTradeNo生成）
|
|||
|
|
) (*alipay.FundTransUniTransferRsp, error) {
|
|||
|
|
// 参数校验
|
|||
|
|
if payeeAccount == "" {
|
|||
|
|
return nil, fmt.Errorf("收款账户不能为空")
|
|||
|
|
}
|
|||
|
|
if amount <= 0 {
|
|||
|
|
return nil, fmt.Errorf("转账金额必须大于0")
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
// 构造转账请求
|
|||
|
|
req := alipay.FundTransUniTransfer{
|
|||
|
|
OutBizNo: outBizNo,
|
|||
|
|
TransAmount: lzUtils.ToAlipayAmount(amount), // 金额格式转换
|
|||
|
|
ProductCode: "TRANS_ACCOUNT_NO_PWD", // 单笔无密转账到支付宝账户
|
|||
|
|
BizScene: "DIRECT_TRANSFER", // 单笔转账
|
|||
|
|
OrderTitle: "账户提现", // 转账标题
|
|||
|
|
Remark: remark,
|
|||
|
|
PayeeInfo: &alipay.PayeeInfo{
|
|||
|
|
Identity: payeeAccount,
|
|||
|
|
IdentityType: "ALIPAY_LOGON_ID", // 根据账户类型选择：
|
|||
|
|
Name: payeeName,
|
|||
|
|
// ALIPAY_USER_ID/ALIPAY_LOGON_ID
|
|||
|
|
},
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
// 执行转账请求
|
|||
|
|
transferRsp, err := a.AlipayClient.FundTransUniTransfer(ctx, req)
|
|||
|
|
if err != nil {
|
|||
|
|
return nil, fmt.Errorf("支付宝转账请求失败: %v", err)
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
return transferRsp, nil
|
|||
|
|
}
|
|||
|
|
func (a *AliPayService) QueryTransferStatus(
|
|||
|
|
ctx context.Context,
|
|||
|
|
outBizNo string,
|
|||
|
|
) (*alipay.FundTransOrderQueryRsp, error) {
|
|||
|
|
req := alipay.FundTransOrderQuery{
|
|||
|
|
OutBizNo: outBizNo,
|
|||
|
|
}
|
|||
|
|
response, err := a.AlipayClient.FundTransOrderQuery(ctx, req)
|
|||
|
|
if err != nil {
|
|||
|
|
return nil, fmt.Errorf("支付宝接口调用失败: %v", err)
|
|||
|
|
}
|
|||
|
|
// 处理响应
|
|||
|
|
if response.Code.IsFailure() {
|
|||
|
|
return nil, fmt.Errorf("支付宝返回错误: %s-%s", response.Code, response.Msg)
|
|||
|
|
}
|
|||
|
|
return response, nil
|
|||
|
|
}
|