1.需要提供应用ID、应用私钥、支付宝公钥
2.代码实现：
下载官方SDK,并编译引用到项目中去。
初始化对象：private readonly IAopClient _client= new DefaultAopClient("https://openapi.alipay.com/gateway.do", "应用ID", "应用私钥", "json", "1.0", "签名类型", "支付宝公钥", "字符编码格式，支持GBK和UTF-8", false);
支付接口：
1>调用支付宝支付网关
/// <summary>
/// 手机网站支付
/// </summary>
/// <param name="postProcessPaymentRequest"></param>
private void AlipayTradeWapPayment(订单实体 order)
{
if (order == null)
{
Log.Error(this.GetType().ToString(),"订单数据不能为空");
return;
}
Log.Info(this.GetType().ToString(), "AlipayTradeWapPayment Start......");
string responseText = string.Empty;
try
{
#region 调用支付宝支付接口
AlipayTradeWapPayRequest request = new AlipayTradeWapPayRequest();
request.SetReturnUrl(http://XXXXXXXXX/foxconn/AliPayment/AppPaymentReturn);//页面跳转同步通知页面路径
request.SetNotifyUrl("http://XXXXXXXXX/foxconn/AliPayment/AppPaymentNotify");//服务器异步通知页面路径
request.BizContent = "{" +
" \"body\":\"\"," +
" \"subject\":\"" + order.订单名称述 + "\"," +
" \"out_trade_no\":\"" + order.订单编号 + "\"," +
" \"timeout_express\":\"90m\"," +
" \"total_amount\":\"" + order.订单金额 + "\"," +
" \"seller_id\":\"" + _alipayPaymentSettings.SellerId + "\"," +
" \"product_code\":\"QUICK_WAP_PAY\"" +
" }";
AlipayTradeWapPayResponse response = _client.pageExecute(request);
responseText = response.Body;
_httpContext.Response.Clear();
_httpContext.Response.Write(responseText);
_httpContext.Response.End();
#endregion
}
catch (Exception ex)
{
Log.Error(this.GetType().ToString(), "Exception: " + ex.Message);
}
Log.Info(this.GetType().ToString(), "AlipayTradeWapPayment End......");
}
View Code
2>接收支付宝同步通知(get)
/// <summary>
/// 支付宝手机网站支付同步通知
/// </summary>
/// <returns></returns>
[HttpGet]
public ActionResult AppPaymentReturn()
{
string result = string.Empty;
Log.Info(this.GetType().ToString(), "AppPaymentReturn End......");
try
{
SortedDictionary<string, string> sPara = GetRequestGet();//将异步通知中收到的所有参数都存放到map中
if (sPara.Count > 0)//判断是否有带返回参数
{
bool verifyResult = AlipaySignature.RSACheckV1(sPara, _aliPaymentSettings.App_Alipay_Public_Key, _aliPaymentSettings.App_Charset, _aliPaymentSettings.App_SignType, false); //调用SDK验证签名
if (verifyResult)
{
//验签成功后，按照支付结果异步通知中的描述，对支付结果中的业务内容进行二次校验，校验成功后在response中返回success并继续商户自身业务处理，校验失败返回failure
//商户订单号
string out_trade_no = Request.QueryString["out_trade_no"];
//支付宝交易号
string trade_no = Request.QueryString["trade_no"];
//交易状态
string trade_status = Request.QueryString["trade_status"];
if (Request.QueryString["trade_status"] == "TRADE_FINISHED" || Request.QueryString["trade_status"] == "TRADE_SUCCESS")
{
//判断该笔订单是否在商户网站中已经做过处理
//如果没有做过处理，根据订单号（out_trade_no）在商户网站的订单系统中查到该笔订单的详细，并执行商户的业务程序
//如果有做过处理，不执行商户的业务程序
}
else
{
result = "trade_status=" + Request.QueryString["trade_status"];
}
//打印页面
result = "验证成功";
}
else//验证失败
{
//验签失败则记录异常日志，并在response中返回failure.
result = "验证失败";
}
}
else
{
result = "无返回参数";
}
Log.Info(this.GetType().ToString(), "result:" + result);
}
catch (Exception ex)
{
Log.Info(this.GetType().ToString(), "Exception:" + ex.Message);
}
Log.Info(this.GetType().ToString(), "AppPaymentReturn End......");
return 跳转页面;
}
View Code
3>接收支付宝异步通知(post)
/// <summary>
/// 支付宝手机网站支付异步通知
/// </summary>
/// <returns></returns>
[ValidateInput(false)]
public ActionResult AppPaymentNotify()
{
string result = string.Empty;
try
{
Log.Info(this.GetType().ToString(), "AppPaymentNotify Start......");
SortedDictionary<string, string> sPara = GetRequestPost();
if (sPara.Count > 0)//判断是否有带返回参数
{
bool verifyResult = AlipaySignature.RSACheckV1(sPara, _aliPaymentSettings.App_Alipay_Public_Key, _aliPaymentSettings.App_Charset, _aliPaymentSettings.App_SignType, false); //调用SDK验证签名
Log.Info(this.GetType().ToString(), "verifyResult:" + verifyResult);
if (verifyResult)//验证成功
{
bool isRefund = false;
string batch_no = string.Empty;
if(sPara.ContainsKey("out_biz_no"))
{
isRefund = true;
batch_no = sPara["out_biz_no"];
}
//商户订单号
string out_trade_no = Request.Form["out_trade_no"];
//支付宝交易号
string trade_no = Request.Form["trade_no"];
//交易状态
string trade_status = Request.Form["trade_status"];
string buyer_id = Request.Form["buyer_id"];
string buyer_emial = Request.Form["buyer_logon_id"];
if (string.IsNullOrEmpty(out_trade_no))
{
throw new Exception("商户订单号不能为空");
}
Log.Debug(this.GetType().ToString(), string.Format("out_trade_no:【{0}】-trade_no:【{1}】-trade_status:【{2}】", out_trade_no, trade_no, trade_status));
if (trade_status == "TRADE_FINISHED")
{
//判断该笔订单是否在商户网站中已经做过处理
//如果没有做过处理，根据订单号（out_trade_no）在商户网站的订单系统中查到该笔订单的详细，并执行商户的业务程序
//请务必判断请求时的total_fee、seller_id与通知时获取的total_fee、seller_id为一致的
//如果有做过处理，不执行商户的业务程序
//处理业务逻辑
//注意：
//退款日期超过可退款期限后（如三个月可退款），支付宝系统发送该交易状态通知
}
else if (trade_status == "TRADE_SUCCESS")
{
//判断该笔订单是否在商户网站中已经做过处理
//如果没有做过处理，根据订单号（out_trade_no）在商户网站的订单系统中查到该笔订单的详细，并执行商户的业务程序
//请务必判断请求时的total_fee、seller_id与通知时获取的total_fee、seller_id为一致的
//如果有做过处理，不执行商户的业务程序
if (isRefund)
{
//处理退款业务
Log.Info(this.GetType().ToString(), "退款成功");
}
else
{
//处理订单业务
Log.Info(this.GetType().ToString(), "付款成功");
}
//注意：
//付款完成后，支付宝系统发送该交易状态通知
}
else if (trade_status == "TRADE_CLOSED")//未付款交易超时关闭，或支付完成后全额退款
{
if (isRefund)
{
//处理退款业务
Log.Info(this.GetType().ToString(), "退款成功");
}
}
//——请根据您的业务逻辑来编写程序（以上代码仅作参考）——
Response.Write("success"); //请不要修改或删除
/
}
else//验证失败
{
Response.Write("failure");
}
}
else
{
Response.Write("无通知参数");
Log.Info(this.GetType().ToString(), "result:无通知参数");
}
}
catch (Exception ex)
{
Response.Write("failure");
Log.Info(this.GetType().ToString(), "Exception:" + ex.Message);
}
Response.End();
Log.Info(this.GetType().ToString(), "AppPaymentNotify End......");
return Content("fail");
}
View Code
退款接口：
/// <summary>
/// 退款
/// </summary>
/// <param name="refundPaymentRequest"></param>
/// <returns></returns>
private bool AlipayTradeWapRefund(退款实体 refundModel)
{
var result = false;
if (refundModel == null)
{
Log.Error(this.GetType().ToString(), "退款数据不能为空");
return result;
}
string responseText = string.Empty;
try
{
#region 调用支付宝退款接口
AlipayTradeRefundRequest request = new AlipayTradeRefundRequest();//创建API对应的request类
//request.SetNotifyUrl(_alipayPaymentSettings.App_RefundNotifyUrl);//服务器异步通知页面路径
string batch_no = refundModel.退款编号;
request.BizContent = "{" +
" \"out_trade_no\":\"" + refundModel.订单编号 + "\"," +
" \"trade_no\":\"" + refundModel.交易号 + "\"," +
" \"out_request_no\":\"" + batch_no + "\"," +
" \"refund_amount\":\"" + refundModel.退款金额 + "\"" +
" }";//设置业务参数
AlipayTradeRefundResponse response = _client.Execute(request);//通过alipayClient调用API，获得对应的response类
//根据response中的结果继续业务逻辑处理
if (response.Code == "10000")//接口调用成功
{
}
#endregion
}
catch (Exception ex)
{
responseText = ex.Message;
Log.Error(this.GetType().ToString(), "Exception: " + ex.Message);
}
Log.Info(this.GetType().ToString(), "Refund End......");
return result;
}
View Code
查询接口：
/// <summary>
/// 查询订单在支付宝的状态
/// </summary>
/// <param name="queryOrderRequest"></param>
/// <returns></returns>
private bool AlipayTradeWapQuery(订单查询实体 queryOrder)
{
var result = false;
if (queryOrder == null)
{
Log.Error(this.GetType().ToString(), "查询数据不能为空");
return result;
}
Log.Info(this.GetType().ToString(), "AlipayTradeWapQuery Start......");
string responseText = string.Empty;
try
{
#region 调用支付宝支付查询接口
AlipayTradeQueryRequest request = new AlipayTradeQueryRequest();
request.BizContent = "{" +
" \"out_trade_no\":\"" + queryOrder.订单编号 + "\"," +
" \"trade_no\":\"" + queryOrder.交易号 + "\"" +
" }";
AlipayTradeQueryResponse response = _client.Execute(request);
string tradeStatus = response.TradeStatus;
responseText = tradeStatus;
if (tradeStatus == "TRADE_SUCCESS" || tradeStatus == "TRADE_CLOSED" || tradeStatus == "TRADE_FINISHED")
{
//处理支付业务
result=true;
Log.Info(this.GetType().ToString(), "支付成功");
}
else
{
Log.Info(this.GetType().ToString(), "支付失败");
}
#endregion
}
catch (Exception ex)
{
responseText = ex.Message;
Log.Error(this.GetType().ToString(), "Exception: " + ex.Message);
}
Log.Debug(this.GetType().ToString(), string.Format("支付宝手机网站支付查询跟踪信息。GetForm：{0}", responseText);
Log.Info(this.GetType().ToString(), "AlipayTradeWapQuery End......");
return result;
}
View Code
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