微信支付SDK,基于全新的微信支付APIv3来实现。支持小程序支付、JSAPI支付、Native支付、APP支付、H5支付,支持直连商户模式和服务商模式。
go get gitee.com/haming123/wxpay4go
package main
import (
"log"
"wxpay"
)
var MchCtx *wxpay.MchWxApp = nil
func MchCtxInit() error {
pem_cert, err := wxpay.LoadCertificateWithPath("/path/to/merchant/apiclient_cert.pem")
if err != nil {
return err
}
pem_key, err := wxpay.LoadPrivateKeyWithPath("/path/to/merchant/apiclient_key.pem")
if err != nil {
return err
}
MchCtx = wxpay.NewMchWxApp("mchID_string", "appID_string", "mchAPIv3Key_string", pem_cert, pem_key)
return nil
}
func main() {
//......
err := MchCtxInit()
if err != nil {
log.Print(err)
return
}
//......
}
func HandlerPayCreateDemo(w http.ResponseWriter, r *http.Request) {
//................(其他业务逻辑)
var data_req wxpay.WxAppOrderData
data_req.Description = "业务描述"
data_req.Out_trade_no = "业务订单号"
data_req.Notify_url = "接收支付通知的URL地址"
data_req.Sub_mchid = "子商户号"
data_req.Sub_appid = "小程序的APPID"
data_req.Payer.Sub_openid = "用户在小程序中的OPENID"
data_req.Amount.Total = 20
param, err := MchCtx.CreateOrder(data_req)
if err!= nil {
log.Print(err)
return
}
//................(其他业务逻辑)
}
func HandlerPayQueryDemo(w http.ResponseWriter, r *http.Request) {
//................(其他业务逻辑)
out_trade_no := "业务订单号"
sub_mchid := "子商户号"
result, err := MchCtx.QueryByOutTradeNo(out_trade_no, sub_mchid)
if err!= nil {
log.Print(err)
return
}
//................(其他业务逻辑)
}
func HandlerPayCallBack(w http.ResponseWriter, r *http.Request) {
//解析回调数据
req_info, err := MchCtx.ParsePayCallBack(r)
if err != nil {
wxpay.HttpCallBackReturn(w, 500,"FAIL", "FAIL")
return
}
//................(其他业务逻辑)
//回调返回
wxpay.HttpCallBackReturn(w, 200, "SUCCESS", "SUCCESS")
}
func HandlerRefundDemo(w http.ResponseWriter, r *http.Request) {
//................(其他业务逻辑)
var data wxpay.RefundCreateReq
data.Sub_mchid = "子商户号"
data.Out_trade_no = "业务订单号"
data.Out_refund_no = "商户的退款单号"
data.Amount.Total = 20
data.Amount.Refund = 20
data.Notify_url = "退款结果回调的URL"
result, err := MchCtx.RefundOrder(data)
if err!= nil {
log.Print(err)
}
//................(其他业务逻辑)
}
func HandlerRefundCallBack(w http.ResponseWriter, r *http.Request) {
//解析回调数据
req_info, err := MchCtx.ParseRefundCallBack(r)
if err != nil {
wxpay.HttpCallBackReturn(w, 500,"FAIL", "FAIL")
return
}
//................(其他业务逻辑)
//回调返回
wxpay.HttpCallBackReturn(w, 200, "SUCCESS", "SUCCESS")
}
//小程序
MchCtx = wxpay.NewMchWxApp("mchID_string", "appID_string", "mchAPIv3Key_string", pem_cert, pem_key)
//JsAPi
MchCtx = wxpay.NewMchJsApi("mchID_string", "appID_string", "mchAPIv3Key_string", pem_cert, pem_key)
//H5
MchCtx = wxpay.NewMchH5("mchID_string", "appID_string", "mchAPIv3Key_string", pem_cert, pem_key)
//Native
MchCtx = wxpay.NewMchNative("mchID_string", "appID_string", "mchAPIv3Key_string", pem_cert, pem_key)
//App
MchCtx = wxpay.NewMchApp("mchID_string", "appID_string", "mchAPIv3Key_string", pem_cert, pem_key)
//小程序
MchCtx = wxpay.NewMidWxApp("mchID_string", "appID_string", "mchAPIv3Key_string", pem_cert, pem_key)
//JsAPi
MchCtx = wxpay.NewMidJsApi("mchID_string", "appID_string", "mchAPIv3Key_string", pem_cert, pem_key)
//H5
MchCtx = wxpay.NewMidH5("mchID_string", "appID_string", "mchAPIv3Key_string", pem_cert, pem_key)
//Native
MchCtx = wxpay.NewMidNative("mchID_string", "appID_string", "mchAPIv3Key_string", pem_cert, pem_key)
//App
MchCtx = wxpay.NewMidApp("mchID_string", "appID_string", "mchAPIv3Key_string", pem_cert, pem_key)