/// <summary>
/// 订单支付表单HTML字符串生成
/// </summary>
/// <param name="context">请求上下文对象</param>
/// <param name="para">订单相关参数</param>
/// <returns></returns>
public string LinePaySendRequestWriter(LineRequestPara para)
{
string key = string.Empty;
string keyValue = string.Empty;
string signValue = string.Empty;
string sign = string.Empty;
RSAOperate Rdaop = new RSAOperate();
Dictionary<string, string> dic = new Dictionary<string, string>() {
{"outOrderId",para.outOrderId},
{"totalAmount",para.totalAmount.ToString()},
{"goodsName",para.goodsName},
{"goodsExplain",para.goodsExplain},
{"merUrl",para.merUrl},
{"noticeUrl",para.noticeUrl},
{"bankCardType",para.bankCardType},
{"bankCode",para.bankCode},
{"orderCreateTime",para.orderCreateTime},
{"lastPayTime",para.lastPayTime}
};
signValue = Rdaop.GetUrlParamString(CreateRquestUrlPara(para), RSASign.GetPayRSAParamSort());
//提交参数加密
sign = RSASign.GetMD5RSA(signValue + ProperConst.Key);
var paraSort = RSASign.GetPayParamSort().ToList();
StringBuilder writer = new StringBuilder();
writer.Append(" <!DOCTYPE html PUBLIC \"-//W3C//DTD XHTML 1.0 Transitional//EN\" \"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd\"> ");
writer.Append(" <html xmlns=\"http://www.w3.org/1999/xhtml\" > ");
writer.Append(" <head runat=\"server\"><title>中联信通支付</title> ");
writer.Append(" <meta http-equiv=\"Content-Type\" content=\"text/html; charset=UTF-8\"/> ");
writer.Append(" </head><body> ");
writer.AppendFormat(" <form id=\"formpay\" method=\"post\" action=\"{0}\"> ", ProperConst.payUrl);
paraSort.ForEach(k =>
{
key = k;
if (key == "merchantCode")
keyValue = ProperConst.merchantCode;
else
keyValue = dic[key];
writer.AppendFormat(" <input type=\"text\" name=\"{0}\" style=\"display:none;\" value=\"{1}\"/> ",
key, keyValue);
});
writer.AppendFormat(" <input type=\"text\" name=\"sign\" style=\"display:none;\" value=\"{0}\"/> ", sign);
writer.Append(" </form> ");
writer.Append(" <script type=\"text/javascript\"> document.getElementById(\"formpay\").submit();</script> ");
return writer.ToString();
}
/// <summary>
/// 订单支付成功商家异步
/// </summary>
/// <param name="context"></param>
/// <returns></returns>
public LineResponsePara LinePayCallBack(HttpContext context)
{
var responseForm = context.Request.Form;
string orderNumber = responseForm["outOrderId"].IsNull()
? string.Empty : responseForm["outOrderId"];
var response = new LineResponsePara()
{
isPaySuccess = false,
orderNumber = orderNumber,
paymentMoney = 0,
resultMsg = string.Empty
};
try
{
RSAOperate Rdaop = new RSAOperate();
//处理传输过来的流
Stream responseStream = context.Request.InputStream;
StreamReader readStream = new StreamReader(responseStream, System.Text.Encoding.UTF8);
string RequestStream = readStream.ReadToEnd();
readStream.Close();
if (!string.IsNullOrEmpty(RequestStream))
{
string RSAChar = Rdaop.GetUrlParamString(RequestStream, RSASign.GetNoticeRSAParamSort()) + ProperConst.Key;
if (Rdaop.GetIsSafty(Rdaop.GetjosnValue(RequestStream, "sign"), RSAChar))//判断是否报文加密后能够匹配
{
lock (lockobject)//此处建议使用lock锁机制，进行并发控制，防止重复数据混乱
{
response.isPaySuccess = true;
response.orderNumber = responseForm["orderNumber"].IsNull()
? string.Empty : responseForm["orderNumber"];
response.paymentMoney = responseForm["totalAmount"].IsNull() ? (decimal)0.00
: AlipayConfig.MoneyFormatDco(responseForm["totalAmount"]); ;
response.resultMsg = "支付成功";
}
}
else
{
response.resultMsg = "返回报文加密信息存在异常";
context.Response.Write("{\"code\":\"01\",\"msg\":\"返回报文加密信息存在异常\"}");
}
}
else
{
response.resultMsg = "返回报文为空存在异常";
context.Response.Write("{\"code\":\"02\",\"msg\":\"返回报文为空存在异常\"}");
}
}
catch (Exception ex)
{
response.resultMsg = "报文异常" + ex.Message;
context.Response.Write("{\"code\":\"03\",\"msg\":\"报文异常\"}");
}
return response;
}
