支付宝 接入一系列修改
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64
trunk/center/paycenter/internal/wxpay/config.go
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64
trunk/center/paycenter/internal/wxpay/config.go
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package wxpay
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import (
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"gopkg.in/yaml.v3"
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"goutil/yamlUtil"
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"log"
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)
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type WxPayConfig struct {
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MchID string
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MchCertificateSerialNumber string
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MchAPIv3Key string
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AppId string
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NotifyUrl string
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}
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var (
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wxPayConfig = &WxPayConfig{}
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)
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func init() {
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//加载配置
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reloadConfig()
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//校验配置
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CheckConfig()
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}
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// reloadConfig
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//
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// @description: reloadConfig
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//
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// parameter:
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// return:
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//
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// @error: 错误信息
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func reloadConfig() error {
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yamlFile, err := yamlUtil.LoadFromFile("payconfig/wxpayconfig.yml")
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if err != nil {
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return err
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}
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// 解析 YAML 文件
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err = yaml.Unmarshal(yamlFile, wxPayConfig)
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if err != nil {
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log.Fatalf("Error unmarshalling config file: %v", err)
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return err
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}
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return nil
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}
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// CheckConfig 校验配置
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func CheckConfig() error {
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return nil
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}
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// GetWxPayConfig 获取配置
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func GetWxPayConfig() *WxPayConfig {
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return wxPayConfig
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}
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249
trunk/center/paycenter/internal/wxpay/pay.go
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249
trunk/center/paycenter/internal/wxpay/pay.go
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@@ -0,0 +1,249 @@
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package wxpay
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import (
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"context"
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"errors"
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"fmt"
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"github.com/wechatpay-apiv3/wechatpay-go/core"
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"github.com/wechatpay-apiv3/wechatpay-go/core/option"
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"github.com/wechatpay-apiv3/wechatpay-go/services/payments/app"
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"github.com/wechatpay-apiv3/wechatpay-go/utils"
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"goutil/logUtilPlus"
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"log"
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"strconv"
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"time"
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)
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var (
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mchID string = GetWxPayConfig().MchID // 商户号
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mchCertificateSerialNumber string = GetWxPayConfig().MchCertificateSerialNumber // 商户证书序列号
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mchAPIv3Key string = GetWxPayConfig().MchAPIv3Key // 商户APIv3密钥
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appId string = GetWxPayConfig().AppId // 应用ID
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Address string = "成都市XXXXXXXXXXXXXXXXXXXXXXX" //公司地址
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wxPayApiUrl string = GetWxPayConfig().NotifyUrl //支付成功回调地址
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)
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// Prepay 函数用于发起预支付请求。
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// 参数:
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//
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// outTradeNo: 商户订单号。
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// currency: 订单金额，单位为分。
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// storeId: 商户门店编号。
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// clientIp: 用户的客户端IP。
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// description: 订单描述。
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//
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// 返回值:
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//
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// 成功时返回预支付ID和nil错误。
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// 失败时返回空字符串和错误对象。
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func Prepay(outTradeNo int64, currency int64, storeId string, clientIp string, description string) (string, error) {
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// 使用 utils 提供的函数从本地文件中加载商户私钥，商户私钥会用来生成请求的签名
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mchPrivateKey, err := utils.LoadPrivateKeyWithPath("/path/to/merchant/apiclient_key.pem")
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if err != nil {
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logUtilPlus.ErrorLog("load merchant private key error")
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return "", err
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}
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ctx := context.Background()
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// 使用商户私钥等初始化 client，并使它具有自动定时获取微信支付平台证书的能力
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opts := []core.ClientOption{
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option.WithWechatPayAutoAuthCipher(mchID, mchCertificateSerialNumber, mchPrivateKey, mchAPIv3Key),
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}
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client, err := core.NewClient(ctx, opts...)
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if err != nil {
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logUtilPlus.ErrorLog("new wechat pay client err:%s", err)
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return "", err
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}
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svc := app.AppApiService{Client: client}
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resp, result, err := svc.Prepay(ctx,
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app.PrepayRequest{
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Appid: core.String(appId),
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Mchid: core.String(mchID),
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Description: core.String(description),
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OutTradeNo: core.String(strconv.FormatInt(outTradeNo, 10)),
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TimeExpire: core.Time(time.Now().Add(time.Hour * 2)), //支付时效时间 2 小时后失效
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Attach: core.String(""), //附加数据 这里不需要，有个订单id 可以获取订单详细信息
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NotifyUrl: core.String(fmt.Sprintf(wxPayApiUrl, strconv.FormatInt(outTradeNo, 10))), //回调地址
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//GoodsTag: core.String("WXG"),//优惠标记 这里没用
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//LimitPay: []string{"LimitPay_example"},
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SupportFapiao: core.Bool(false),
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Amount: &app.Amount{
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Currency: core.String("CNY"),
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Total: core.Int64(currency),
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},
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Detail: &app.Detail{
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//CostPrice: core.Int64(608800),
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GoodsDetail: []app.GoodsDetail{app.GoodsDetail{
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GoodsName: core.String(storeId), //商品编号
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MerchantGoodsId: core.String(description),
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Quantity: core.Int64(1),
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UnitPrice: core.Int64(currency),
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//WechatpayGoodsId: core.String("1001"),
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}},
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//InvoiceId: core.String("wx123"),
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},
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SceneInfo: &app.SceneInfo{
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//DeviceId: core.String("013467007045764"),
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PayerClientIp: core.String(clientIp),
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StoreInfo: &app.StoreInfo{
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Address: core.String(Address),
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//AreaCode: core.String("440305"),
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//Id: core.String("0001"),
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//Name: core.String("腾讯大厦分店"),
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},
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},
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SettleInfo: &app.SettleInfo{
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ProfitSharing: core.Bool(false),
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},
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},
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)
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if err != nil {
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// 处理错误
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logUtilPlus.ErrorLog("call Prepay err:%s", err.Error())
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return "", err
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}
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if result.Response.StatusCode != 200 {
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errStr := fmt.Sprintf("status=%d resp=%s", result.Response.StatusCode, resp)
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logUtilPlus.ErrorLog(errStr)
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return "", errors.New(errStr)
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}
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return *resp.PrepayId, nil
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}
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// CloseOrder 关闭订单
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func CloseOrder(outTradeNo int64) error {
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// 使用 utils 提供的函数从本地文件中加载商户私钥，商户私钥会用来生成请求的签名
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mchPrivateKey, err := utils.LoadPrivateKeyWithPath("/path/to/merchant/apiclient_key.pem")
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if err != nil {
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log.Print("加载商家私钥错误")
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}
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ctx := context.Background()
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// 使用商户私钥等初始化 client，并使它具有自动定时获取微信支付平台证书的能力
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opts := []core.ClientOption{
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option.WithWechatPayAutoAuthCipher(mchID, mchCertificateSerialNumber, mchPrivateKey, mchAPIv3Key),
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}
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client, err := core.NewClient(ctx, opts...)
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if err != nil {
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log.Printf("新的 WeChat Pay 客户端 Err:%s", err)
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}
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svc := app.AppApiService{Client: client}
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_, err = svc.CloseOrder(ctx,
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app.CloseOrderRequest{
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//商户系统内部订单号，只能是数字、大小写字母_-*且在同一个商户号下唯
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OutTradeNo: core.String(strconv.FormatInt(outTradeNo, 10)),
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//直连商户的商户号，由微信支付生成并下发。
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Mchid: core.String(mchID),
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},
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)
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if err != nil {
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// 处理错误
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logUtilPlus.ErrorLog("call CloseOrder err:%s", err)
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return err
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}
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return nil
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}
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// QueryOrderById 根据商户订单号查询订单
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func QueryOrderById() {
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// 使用 utils 提供的函数从本地文件中加载商户私钥，商户私钥会用来生成请求的签名
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mchPrivateKey, err := utils.LoadPrivateKeyWithPath("/path/to/merchant/apiclient_key.pem")
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if err != nil {
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log.Print("load merchant private key error")
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}
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ctx := context.Background()
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// 使用商户私钥等初始化 client，并使它具有自动定时获取微信支付平台证书的能力
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opts := []core.ClientOption{
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option.WithWechatPayAutoAuthCipher(mchID, mchCertificateSerialNumber, mchPrivateKey, mchAPIv3Key),
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}
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client, err := core.NewClient(ctx, opts...)
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if err != nil {
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log.Printf("new wechat pay client err:%s", err)
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}
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svc := app.AppApiService{Client: client}
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resp, result, err := svc.QueryOrderById(ctx,
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app.QueryOrderByIdRequest{
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TransactionId: core.String("TransactionId_example"),
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Mchid: core.String("Mchid_example"),
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},
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)
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if err != nil {
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// 处理错误
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log.Printf("call QueryOrderById err:%s", err)
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} else {
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// 处理返回结果
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log.Printf("status=%d resp=%s", result.Response.StatusCode, resp)
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}
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}
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// QueryOrderByOutTradeNo 根据商户订单号查询订单
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func QueryOrderByOutTradeNo(outTradeNo int64) (string, error) {
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//循环查询次数
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var count int = 0
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loop:
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// 使用 utils 提供的函数从本地文件中加载商户私钥，商户私钥会用来生成请求的签名
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mchPrivateKey, err := utils.LoadPrivateKeyWithPath("/path/to/merchant/apiclient_key.pem")
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if err != nil {
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log.Print("load merchant private key error")
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return "", err
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}
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ctx := context.Background()
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// 使用商户私钥等初始化 client，并使它具有自动定时获取微信支付平台证书的能力
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opts := []core.ClientOption{
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option.WithWechatPayAutoAuthCipher(mchID, mchCertificateSerialNumber, mchPrivateKey, mchAPIv3Key),
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}
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client, err := core.NewClient(ctx, opts...)
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if err != nil {
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log.Printf("new wechat pay client err:%s", err)
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return "", err
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}
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svc := app.AppApiService{Client: client}
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resp, result, err := svc.QueryOrderByOutTradeNo(ctx,
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app.QueryOrderByOutTradeNoRequest{
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OutTradeNo: core.String(strconv.FormatInt(outTradeNo, 10)),
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Mchid: &mchID,
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},
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)
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if err != nil {
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// 处理错误
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log.Printf("call QueryOrderByOutTradeNo err:%s", err)
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return "", err
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} else {
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// 处理返回结果
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log.Printf("status=%d resp=%s", result.Response.StatusCode, resp)
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//支付成功
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if resp.TradeState == core.String("SUCCESS") {
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return "SUCCESS", nil
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} else if resp.TradeState == core.String("NOTPAY") && count < 3 { //未支付，循环查找订单
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//休息200毫秒
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time.Sleep(200 * time.Millisecond)
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count++
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goto loop
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}
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//支付失败
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return *resp.TradeState, nil
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}
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}
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