wxpay to wxpayapi
This commit is contained in:
gazebo
376
platformapi/wxpayapi/wxpayapi.go
Normal file
376
platformapi/wxpayapi/wxpayapi.go
Normal file
@@ -0,0 +1,376 @@
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package wxpayapi
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import (
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"bytes"
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"crypto/md5"
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"crypto/tls"
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"encoding/xml"
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"fmt"
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"net/http"
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"sort"
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"strings"
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"time"
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"git.rosy.net.cn/baseapi"
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"git.rosy.net.cn/baseapi/platformapi"
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"git.rosy.net.cn/baseapi/utils"
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"github.com/clbanning/mxj"
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)
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const (
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prodURL = "https://api.mch.weixin.qq.com"
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sandboxURL = "https://api.mch.weixin.qq.com/sandboxnew"
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)
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const (
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ResponseCodeSuccess = "SUCCESS"
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ResponseCodeFail = "FAIL"
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sigKey = "sign"
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sigTypeKey = "sign_type"
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sigType = "MD5"
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)
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const (
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FeeTypeCNY = "CNY"
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)
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const (
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TradeTypeJSAPI = "JSAPI" // JSAPI支付（或小程序支付）
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TradeTypeNative = "NATIVE"
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TradeTypeAPP = "APP"
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TradeTypeMicroPay = "MICROPAY"
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)
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type API struct {
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appID string
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appKey string
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mchID string
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client *http.Client
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config *platformapi.APIConfig
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}
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type RequestBase struct {
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XMLName xml.Name `json:"-" xml:"xml"`
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AppID string `json:"appid" xml:"appid"`
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DeviceInfo string `json:"device_info,omitempty" xml:"device_info,omitempty"`
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MchID string `json:"mch_id" xml:"mch_id"`
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NonceStr string `json:"nonce_str" xml:"nonce_str"`
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Sign string `json:"sign" xml:"sign"`
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SignType string `json:"sign_type,omitempty" xml:"sign_type,omitempty"`
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}
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type IRequestBase interface {
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SetAppID(appID string)
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SetMchID(mchID string)
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SetNonceStr(nonceStr string)
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SetSign(sign string)
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SetSignType(signType string)
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}
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func (r *RequestBase) SetAppID(appID string) {
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r.AppID = appID
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}
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func (r *RequestBase) SetMchID(mchID string) {
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r.MchID = mchID
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}
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func (r *RequestBase) SetNonceStr(nonceStr string) {
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r.NonceStr = nonceStr
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}
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func (r *RequestBase) SetSign(sign string) {
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r.Sign = sign
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}
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func (r *RequestBase) SetSignType(signType string) {
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r.SignType = signType
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}
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type OrderQueryParam struct {
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RequestBase
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TransactionID string `json:"transaction_id" xml:"transaction_id"`
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OutTradeNo string `json:"out_trade_no" xml:"out_trade_no"`
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}
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type OrderInfo struct {
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ReturnCode string `json:"return_code" xml:"return_code"`
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ReturnMsg string `json:"return_msg" xml:"return_msg"`
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AppID string `json:"appid" xml:"appid"`
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DeviceInfo string `json:"device_info,omitempty" xml:"device_info,omitempty"`
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MchID string `json:"mch_id" xml:"mch_id"`
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NonceStr string `json:"nonce_str" xml:"nonce_str"`
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Sign string `json:"sign" xml:"sign"`
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ResultCode string `json:"result_code" xml:"result_code"`
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ErrCode string `json:"err_code,omitempty" xml:"err_code,omitempty"`
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ErrCodeDes string `json:"err_code_des,omitempty" xml:"err_code_des,omitempty"`
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Attach string `json:"attach"`
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BankType string `json:"bank_type"`
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CashFee string `json:"cash_fee"`
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CashFeeType string `json:"cash_fee_type"`
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FeeType string `json:"fee_type"`
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IsSubscribe string `json:"is_subscribe"`
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OpenID string `json:"openid"`
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OutTradeNo string `json:"out_trade_no"`
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TimeEnd string `json:"time_end"`
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TotalFee string `json:"total_fee"`
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TradeState string `json:"trade_state"`
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TradeStateDesc string `json:"trade_state_desc"`
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TradeType string `json:"trade_type"`
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TransactionID string `json:"transaction_id"`
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}
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type CreateOrderSceneInfo struct {
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ID string `json:"id"`
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Name string `json:"name"`
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AreaCode string `json:"area_code"`
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Address string `json:"address"`
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}
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type CreateOrderParam struct {
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RequestBase
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Body string `json:"body" xml:"body"`
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NotifyURL string `json:"notify_url" xml:"notify_url"`
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OutTradeNo string `json:"out_trade_no" xml:"out_trade_no"`
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SpbillCreateIP string `json:"spbill_create_ip" xml:"spbill_create_ip"`
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TradeType string `json:"trade_type" xml:"trade_type"`
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TotalFee int `json:"total_fee" xml:"total_fee"`
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Detail CData `json:"detail.omitempty" xml:"detail,omitempty"`
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Attach string `json:"attach,omitempty" xml:"attach,omitempty"`
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FeeType string `json:"fee_type,omitempty" xml:"fee_type,omitempty"`
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TimeStart string `json:"time_start,omitempty" xml:"time_start,omitempty"`
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TimeExpire string `json:"time_expire,omitempty" xml:"time_expire,omitempty"`
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GoodsTag string `json:"goods_tag,omitempty" xml:"goods_tag,omitempty"`
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ProductID string `json:"product_id,omitempty" xml:"product_id,omitempty"`
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LimitPay string `json:"limit_pay,omitempty" xml:"limit_pay,omitempty"`
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OpenID string `json:"openid,omitempty" xml:"openid,omitempty"`
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Receipt string `json:"receipt,omitempty" xml:"receipt,omitempty"`
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SceneInfo string `json:"scene_info,omitempty" xml:"scene_info,omitempty"`
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}
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type CreateOrderResult struct {
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ReturnCode string `json:"return_code" xml:"return_code"`
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ReturnMsg string `json:"return_msg" xml:"return_msg"`
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AppID string `json:"appid" xml:"appid"`
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DeviceInfo string `json:"device_info,omitempty" xml:"device_info,omitempty"`
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MchID string `json:"mch_id" xml:"mch_id"`
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NonceStr string `json:"nonce_str" xml:"nonce_str"`
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Sign string `json:"sign" xml:"sign"`
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ResultCode string `json:"result_code" xml:"result_code"`
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ErrCode string `json:"err_code,omitempty" xml:"err_code,omitempty"`
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ErrCodeDes string `json:"err_code_des,omitempty" xml:"err_code_des,omitempty"`
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TradeType string `json:"trade_type"`
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PrepayID string `json:"prepay_id"`
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CodeURL string `json:"code_url"`
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}
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type PayRefundParam struct {
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RequestBase
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TransactionID string `json:"transaction_id,omitempty" xml:"transaction_id,omitempty"`
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OutTradeNo string `json:"out_trade_no,omitempty" xml:"out_trade_no,omitempty"`
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OutRefundNo string `json:"out_refund_no" xml:"out_refund_no"`
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TotalFee int `json:"total_fee" xml:"total_fee"`
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RefundFee int `json:"refund_fee" xml:"refund_fee"`
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RefundFeeType string `json:"refund_fee_type,omitempty" xml:"refund_fee_type,omitempty"`
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RefundDesc CData `json:"refund_desc,omitempty" xml:"refund_desc,omitempty"`
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NotifyURL string `json:"notify_url,omitempty" xml:"notify_url,omitempty"`
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}
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type PayRefundResult struct {
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ReturnCode string `json:"return_code" xml:"return_code"`
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ReturnMsg string `json:"return_msg" xml:"return_msg"`
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AppID string `json:"appid" xml:"appid"`
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DeviceInfo string `json:"device_info,omitempty" xml:"device_info,omitempty"`
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MchID string `json:"mch_id" xml:"mch_id"`
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NonceStr string `json:"nonce_str" xml:"nonce_str"`
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Sign string `json:"sign" xml:"sign"`
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ResultCode string `json:"result_code" xml:"result_code"`
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ErrCode string `json:"err_code,omitempty" xml:"err_code,omitempty"`
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ErrCodeDes string `json:"err_code_des,omitempty" xml:"err_code_des,omitempty"`
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CashFee string `json:"cash_fee"`
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CashRefundFee string `json:"cash_refund_fee"`
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CouponRefundCount string `json:"coupon_refund_count"`
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CouponRefundFee string `json:"coupon_refund_fee"`
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OutRefundNo string `json:"out_refund_no"`
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OutTradeNo string `json:"out_trade_no"`
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RefundChannel string `json:"refund_channel"`
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RefundFee string `json:"refund_fee"`
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RefundID string `json:"refund_id"`
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TotalFee string `json:"total_fee"`
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TransactionID string `json:"transaction_id"`
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}
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func New(appID, appKey, mchID string, config ...*platformapi.APIConfig) *API {
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curConfig := platformapi.DefAPIConfig
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if len(config) > 0 {
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curConfig = *config[0]
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}
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return &API{
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appID: appID,
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appKey: appKey,
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mchID: mchID,
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client: &http.Client{Timeout: curConfig.ClientTimeout},
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config: &curConfig,
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}
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}
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func NewWithCertificate(appID, appKey, mchID string, certPEMBlock, keyPEMBlock interface{}, config ...*platformapi.APIConfig) (a *API) {
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var certs tls.Certificate
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var err error
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if binCertPEMBlock, ok := certPEMBlock.([]byte); ok {
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certs, err = tls.X509KeyPair(binCertPEMBlock, keyPEMBlock.([]byte))
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} else {
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certs, err = tls.LoadX509KeyPair(certPEMBlock.(string), keyPEMBlock.(string))
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}
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if err == nil {
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a = New(appID, appKey, mchID, config...)
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a.client.Transport = &http.Transport{
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TLSClientConfig: &tls.Config{
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Certificates: []tls.Certificate{certs},
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},
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}
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} else {
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baseapi.SugarLogger.Warnf("NewWithCertificate failed with err:%v", err)
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}
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return a
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}
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func (a *API) GetAppID() string {
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return a.appID
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}
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func (a *API) GetMchID() string {
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return a.mchID
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}
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func (a *API) signParam(params map[string]interface{}) (sig string) {
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var valueList []string
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for k, v := range params {
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if k != sigKey {
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if str := fmt.Sprint(v); str != "" {
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valueList = append(valueList, fmt.Sprintf("%s=%s", k, str))
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}
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}
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}
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sort.Sort(sort.StringSlice(valueList))
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valueList = append(valueList, fmt.Sprintf("key=%s", a.appKey))
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sig = strings.Join(valueList, "&")
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sig = fmt.Sprintf("%X", md5.Sum([]byte(sig)))
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return sig
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}
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func mustMarshalXML(obj interface{}) []byte {
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byteArr, err := xml.Marshal(obj)
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if err != nil {
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panic(fmt.Sprintf("err when Marshal obj:%v with error:%v", obj, err))
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}
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return byteArr
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}
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func (a *API) AccessAPI(action string, requestParam IRequestBase) (retVal map[string]interface{}, err error) {
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requestParam.SetAppID(a.appID)
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requestParam.SetMchID(a.mchID)
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requestParam.SetNonceStr(utils.GetUUID())
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requestParam.SetSignType(sigType)
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signStr := a.signParam(utils.Struct2FlatMap(requestParam))
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requestParam.SetSign(signStr)
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fullURL := utils.GenerateGetURL(prodURL, action, nil)
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var responseStr string
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err = platformapi.AccessPlatformAPIWithRetry(a.client,
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func() *http.Request {
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request, _ := http.NewRequest(http.MethodPost, fullURL, bytes.NewReader(mustMarshalXML(requestParam)))
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return request
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},
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a.config,
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func(response *http.Response, bodyStr string, jsonResult1 map[string]interface{}) (errLevel string, err error) {
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responseStr = bodyStr
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if jsonResult1 == nil {
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return platformapi.ErrLevelRecoverableErr, fmt.Errorf("mapData is nil")
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}
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retVal, errLevel, err = a.checkResultAsMap(jsonResult1[platformapi.KeyData].(string))
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return errLevel, err
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})
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if err == nil {
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if utils.Interface2String(retVal["result_code"]) != ResponseCodeSuccess {
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err = utils.NewErrorCode(utils.Interface2String(retVal["err_code_des"]), utils.Interface2String(retVal["err_code"]))
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if err != nil {
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baseapi.SugarLogger.Debugf("wxpay AccessAPI %s failed:%s, err:%v", signStr, strings.ReplaceAll(responseStr, "\\n", " "), err)
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}
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retVal = nil
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}
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}
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return retVal, err
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}
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func (a *API) checkResultAsMap(xmlStr string) (result map[string]interface{}, errLevel string, err error) {
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mv, err := mxj.NewMapXml([]byte(xmlStr))
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if err != nil {
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errLevel = platformapi.ErrLevelGeneralFail
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} else {
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result = mv["xml"].(map[string]interface{})
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returnCode := utils.Interface2String(result["return_code"])
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if returnCode != ResponseCodeSuccess {
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errLevel = platformapi.ErrLevelGeneralFail
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err = utils.NewErrorCode(utils.Interface2String(result["return_msg"]), returnCode)
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result = nil
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}
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}
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return result, errLevel, err
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}
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func SceneInfoList2String(sceneList []*CreateOrderSceneInfo) (str string) {
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return string(utils.MustMarshal(sceneList))
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}
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func Time2PayTime(t time.Time) (str string) {
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return t.Format("20060102150405")
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}
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func PayTime2Time(str string) (t time.Time) {
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t, _ = time.ParseInLocation("20060102150405", str, time.Local)
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return t
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}
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func (a *API) OrderQuery(transactionID, outTradeNo string) (orderInfo *OrderInfo, err error) {
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param := &OrderQueryParam{
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TransactionID: transactionID,
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OutTradeNo: outTradeNo,
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}
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retVal, err := a.AccessAPI("pay/orderquery", param)
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if err == nil {
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err = utils.Map2StructByJson(retVal, &orderInfo, false)
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}
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return orderInfo, err
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}
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func (a *API) CreateUnifiedOrder(param *CreateOrderParam) (createOrderResult *CreateOrderResult, err error) {
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retVal, err := a.AccessAPI("pay/unifiedorder", param)
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if err == nil {
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err = utils.Map2StructByJson(retVal, &createOrderResult, false)
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}
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return createOrderResult, err
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}
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func (a *API) PayRefund(param *PayRefundParam) (refundResult *PayRefundResult, err error) {
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if a.client.Transport == nil {
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return nil, fmt.Errorf("没有配置证书，不能退款")
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}
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retVal, err := a.AccessAPI("secapi/pay/refund", param)
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if err == nil {
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err = utils.Map2StructByJson(retVal, &refundResult, false)
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}
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return refundResult, err
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}
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