133 lines
3.9 KiB
Go
133 lines
3.9 KiB
Go
package weChat
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import (
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"context"
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"errors"
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"github.com/wechatpay-apiv3/wechatpay-go/core"
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"github.com/wechatpay-apiv3/wechatpay-go/services/payments/app"
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"github.com/wechatpay-apiv3/wechatpay-go/services/payments/jsapi"
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)
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/**
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JSAPI下单
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APP下单
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*/
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// JsapiRequest 请求数据-JSAPI下单
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type JsapiRequest struct {
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AppId string `json:"appid" comment:"公众号ID"`
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MchId string `json:"mchid" comment:"直连商户号"`
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Description string `json:"description" comment:"商品描述"`
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OutTradeNo string `json:"out_trade_no" comment:"商户订单号"`
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NotifyUrl string `json:"notify_url" comment:"回调地址"`
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Amount JsapiRequestAmountRequest `json:"amount" comment:"订单金额"`
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Payer JsapiRequestPayerRequest `json:"payer" comment:"支付者"`
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}
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// JsapiRequestAmountRequest 订单金额信息
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type JsapiRequestAmountRequest struct {
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Total int64 `json:"total" comment:"订单总金额"`
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Currency string `json:"currency" comment:"货币类型"`
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}
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// JsapiRequestPayerRequest 支付者信息
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type JsapiRequestPayerRequest struct {
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OpenId string `json:"openid" comment:"openid"`
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}
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// AppRequest 请求数据-APP下单
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type AppRequest struct {
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AppId string `json:"appid" comment:"公众号ID"`
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MchId string `json:"mchid" comment:"直连商户号"`
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Description string `json:"description" comment:"商品描述"`
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OutTradeNo string `json:"out_trade_no" comment:"商户订单号"`
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NotifyUrl string `json:"notify_url" comment:"回调地址"`
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Amount AppRequestAmountRequest `json:"amount" comment:"订单金额"`
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}
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// AppRequestAmountRequest 订单金额信息
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type AppRequestAmountRequest struct {
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Total int64 `json:"total" comment:"订单总金额"`
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Currency string `json:"currency" comment:"货币类型"`
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}
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// GetJsapiPrepay JSAPI下单-获取jsapi预支付交易会话
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func (r JsapiRequest) GetJsapiPrepay() (prepay *jsapi.PrepayWithRequestPaymentResponse, err error) {
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client, err := createClient()
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if err != nil {
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return nil, err
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}
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svc := jsapi.JsapiApiService{Client: client}
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// 得到prepay_id，以及调起支付所需的参数和签名
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resp, result, err := svc.PrepayWithRequestPayment(context.Background(),
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jsapi.PrepayRequest{
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Appid: core.String(r.AppId),
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Mchid: core.String(r.MchId),
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Description: core.String(r.Description),
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OutTradeNo: core.String(r.OutTradeNo),
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NotifyUrl: core.String(r.NotifyUrl),
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Amount: &jsapi.Amount{
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Total: core.Int64(r.Amount.Total),
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Currency: core.String("CNY"),
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},
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Payer: &jsapi.Payer{
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Openid: core.String(r.Payer.OpenId),
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},
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},
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)
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if result.Response.StatusCode != 200 {
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return nil, errors.New("发起支付失败")
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}
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if resp.PrepayId == nil {
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return nil, errors.New("发起支付失败")
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}
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if err != nil {
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return nil, err
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}
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return resp, nil
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}
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// GetAppPrepay APP下单-获取app预支付交易会话
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func (r AppRequest) GetAppPrepay() (prepay *app.PrepayWithRequestPaymentResponse, err error) {
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client, err := createClient()
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if err != nil {
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return nil, err
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}
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svc := app.AppApiService{Client: client}
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// 得到prepay_id，以及调起支付所需的参数和签名
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resp, result, err := svc.PrepayWithRequestPayment(context.Background(),
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app.PrepayRequest{
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Appid: core.String(r.AppId),
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Mchid: core.String(r.MchId),
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Description: core.String(r.Description),
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OutTradeNo: core.String(r.OutTradeNo),
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NotifyUrl: core.String(r.NotifyUrl),
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Amount: &app.Amount{
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Total: core.Int64(r.Amount.Total),
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Currency: core.String("CNY"),
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},
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},
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)
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if result.Response.StatusCode != 200 {
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return nil, errors.New("发起支付失败")
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}
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if resp.PrepayId == nil {
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return nil, errors.New("发起支付失败")
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}
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if err != nil {
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return nil, err
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}
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return resp, nil
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}
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