简单易用的APIv3版微信支付SDK 简单易用的APIv3版微信支付SD

介绍
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。
安装说明
go get gitee.com/haming123/wxpay4go
快速上手

商户对象初始化

package mainimport ( "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 } //...... }
支付下单

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) }
支付订单查询

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) }
支付回调处理

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") }
退款申请

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) }
【简单易用的APIv3版微信支付SDK】退款回调处理

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") }

其他支付产品的使用

直连商户商户对象初始化

//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)
服务商商户对象初始化

//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)