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wechatpay

微信支付SDK for Go!包括微信商户支付的全部功能!集成简单!

安装

go get -u github.com/liyoung1992/wechatpay

帮助

如果在集成过程中遇到问题,请联系:[email protected]

目前实现的接口

  • 扫码支付(NATIVE )

  • H5支付 (MWEB)

  • 公众号支付 (JSAPI )

  • APP支付 (APP)

  • 小程序支付 (JSAPI)

  • 退款

  • 退款查询

集成方式

强烈建议开发前仔细阅读微信支付官方文档

创建支付

	wechat_cert, err := ioutil.ReadFile("config/wechat/apiclient_cert.pem")
	if err != nil {
		panic(err)
	}
	wechat_key, err := ioutil.ReadFile("config/wechat/apiclient_key.pem")
	wechat_client = wechatpay.New(os.Getenv("WECHAT_APPID"),os.Getenv("WECHAT_MCHID"),
	os.Getenv("WECHAT_APIKEY"),wechat_key,wechat_cert)
	if err != nil {
		panic(err)
	}

统一支付(其他支付改对应的tradetype即可)

	var pay_data wechatpay.UnitOrder
	pay_data.NotifyUrl ="your notify_url"
	pay_data.TradeType = "NATIVE"
	pay_data.Body = payweb.Subject
	pay_data.SpbillCreateIp =  c.ClientIP()
	pay_data.TotalFee = 1
	pay_data.OutTradeNo = payweb.OrderId
	result ,err:= wechat_client.Pay(pay_data)

APP支付、公众号支付、小程序支付都是先返回:预支付交易单,然后用预支付交易码在进行支付操作; 小程序和公众号支付都需要获取用户的openid。具体的获取方式:获取openid

发起退款

	var refund_data wechatpay.OrderRefund
	refund_data.TotalFee = 1 
	refund_data.OutTradeNo = order_id
	refund_data.OutRefundNo = "r" + order_id
	refund_data.RefundFee = 1 
	result, err := wechat_client.Refund(refund_data)

退款查询

	var refund_status wechatpay.OrderRefundQuery
	refund_status.OutTradeNo = order_id
	result, err := wechat_client.RefundQuery(refund_status)

异步通知

支付结果的异步通知,这里使用gin框架的例子,其他框架原理一样(也可以不用框架),接受到微信通知,返回给微信数据即可! 修复

//微信扫码回调地址
func (pay WechatPayController) WechatWebNotifyUrl(c *gin.Context) {
	log.Info("wechat notify start")
	body, err := ioutil.ReadAll(c.Request.Body)
	if err != nil {
		log.Error(err, "read http body failed!error msg:"+err.Error())
	}
	log.Info("wechat pay notify body :" + string(body))

	var wx_notify_req wechatpay.PayNotifyResult

	err = xml.Unmarshal(body, &wx_notify_req)
	if err != nil {
		log.Error(err, "read http body xml failed! err :"+err.Error())
	}
	mv, err := mxj.NewMapXml(body)
	if err != nil {
		log.Error(err,err.Error())
	}
	
	//进行签名校验
	if wechat_client.VerifySign(mv["xml"].(map[string]interface{}), mv["xml"].(map[string]interface{})["sign"].(string)) {
		record, err := json.Marshal(wx_notify_req)
		if err != nil {
			log.Error(err, "wechat pay marshal err :"+err.Error())
		}
		c.XML(http.StatusOK, gin.H{
			"return_code": "SUCCESS",
			"return_msg":  "OK",
		})
	} else {
		c.XML(http.StatusOK, gin.H{
			"return_code": "FAIL",
			"return_msg":  "failed to verify sign, please retry!",
		})
	}
	return
}

其他支付方式(gosdk)

以上几种支付sdk,都亲测可用!且已经开发上线。有需要的可以直接联系我!

License

This project is licensed under the MIT License.

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