C# PayPal IPN集成(快速结账-Razor/C)
我目前正在尝试将PayPal与我的网站整合,一切都进行得很顺利,直到我们进行IPN检查为止 它直接到达if/elseif/else块,这就是它的结束。它输出一条消息,内容如下: “无效状态。表单\u字符集=UTF8” 这是我的代码C# PayPal IPN集成(快速结账-Razor/C),c#,asp.net,razor,paypal,paypal-ipn,C#,Asp.net,Razor,Paypal,Paypal Ipn,我目前正在尝试将PayPal与我的网站整合,一切都进行得很顺利,直到我们进行IPN检查为止 它直接到达if/elseif/else块,这就是它的结束。它输出一条消息,内容如下: “无效状态。表单\u字符集=UTF8” 这是我的代码 @using System.Collections.Generic @using System.Text @using System.Web @using System.Web.UI @using System.Web.UI.HtmlControls @using S
@using System.Collections.Generic
@using System.Text
@using System.Web
@using System.Web.UI
@using System.Web.UI.HtmlControls
@using System.Web.UI.WebControls
@using System.ComponentModel
@{
Layout = "~/_SiteLayout.cshtml";
Page.Title = "Checkout | SSSSS";
string postUrl = "https://www.paypal.com/cgi-bin/webscr";
HttpWebRequest req = (HttpWebRequest)WebRequest.Create(postUrl);
//Set values for the request back
req.Method = "POST";
req.ContentType = "application/x-www-form-urlencoded";
byte[] param = Request.BinaryRead(HttpContext.Current.Request.ContentLength);
string strRequest = System.Text.Encoding.UTF8.GetString(param);
string ipnPost = strRequest;
strRequest += "&cmd=_notify-validate";
req.ContentLength = strRequest.Length;
//for proxy
//WebProxy proxy = new WebProxy(new Uri("http://url:port#"));
//req.Proxy = proxy;
//Send the request to PayPal and get the response
StreamWriter streamOut = new StreamWriter(req.GetRequestStream(),
System.Text.Encoding.UTF8);
streamOut.Write(strRequest);
streamOut.Close();
StreamReader streamIn = new StreamReader(req.GetResponse().GetResponseStream());
string strResponse = streamIn.ReadToEnd();
streamIn.Close();
/*/ logging ipn messages... be sure that you give write
// permission to process executing this code
string logPathDir = ResolveUrl("Messages");
string logPath = string.Format("{0}\\{1}.txt",
Server.MapPath(logPathDir), DateTime.Now.Ticks);
File.WriteAllText(logPath, ipnPost);
/*/
}
@if (strResponse == "VERIFIED")
{
/*---------------- WILL DO OTHER CHECKS LATER ------------------*/
//check the payment_status is Completed
<p>status is verified</p>
//check that txn_id has not been previously processed
//check that receiver_email is your Primary PayPal email
//check that payment_amount/payment_currency are correct
//process payment
}
else if (strResponse == "INVALID")
{
//log for manual investigation
<p>status is invalid.</p>
<p>@ipnPost</p>
}
else
{
//log response/ipn data for manual investigation
<p>status is invalid.</p>
<p>@ipnPost</p>
}
@使用System.Collections.Generic
@使用System.Text
@使用System.Web
@使用System.Web.UI
@使用System.Web.UI.HTMLControl
@使用System.Web.UI.WebControl
@使用System.ComponentModel
@{
Layout=“~/\u siteloayout.cshtml”;
Page.Title=“签出| SSS”;
字符串姿势=”https://www.paypal.com/cgi-bin/webscr";
HttpWebRequest req=(HttpWebRequest)WebRequest.Create(postrl);
//设置请求返回的值
请求方法=“POST”;
req.ContentType=“应用程序/x-www-form-urlencoded”;
byte[]param=Request.BinaryRead(HttpContext.Current.Request.ContentLength);
string strequest=System.Text.Encoding.UTF8.GetString(param);
字符串ipnPost=strRequest;
strRequest+=“&cmd=_notify-validate”;
请求内容长度=请求长度;
//代理
//WebProxy proxy=新的WebProxy(新的Uri(“http://url:port#"));
//请求代理=代理;
//将请求发送到PayPal并获得响应
StreamWriter streamOut=新StreamWriter(req.GetRequestStream(),
System.Text.Encoding.UTF8);
streamOut.Write(strRequest);
streamOut.Close();
StreamReader streamIn=新的StreamReader(req.GetResponse().GetResponseStream());
字符串strResponse=streamIn.ReadToEnd();
streamIn.Close();
/*/正在记录ipn消息…请确保您提供了write
//执行此代码的进程权限
字符串logPathDir=ResolveUrl(“消息”);
string logPath=string.Format(“{0}\\{1}.txt”,
Server.MapPath(logPathDir)、DateTime.Now.Ticks);
writealText(logPath,ipnPost);
/*/
}
@如果(strResponse==“已验证”)
{
/*----------------我稍后会做其他检查------------------*/
//检查付款状态是否已完成
状态已验证
//检查txn_id之前是否未被处理
//检查收件人的电子邮件是否是您的主要PayPal电子邮件
//检查付款金额/付款货币是否正确
//处理付款
}
else if(strResponse==“无效”)
{
//人工调查日志
状态无效
@ipnPost
}
其他的
{
//用于手动调查的日志响应/ipn数据
状态无效
@ipnPost
}
我完全不明白为什么这不能像预期的那样起作用;如果有任何帮助,我将不胜感激。我的Razor不太流利,但下面是我如何使用asp.net webforms one的。我相信这是来自另一个网站(或者说大部分网站),很遗憾,我不记得在哪里了。因此,这段代码的基础不是我的功劳
string strLive = "https://www.paypal.com/cgi-bin/webscr";
HttpWebRequest req = (HttpWebRequest)WebRequest.Create(strLive);
req.Method = "POST";
req.ContentType = "application/x-www-form-urlencoded";
byte[] param = Request.BinaryRead(HttpContext.Current.Request.ContentLength);
string strRequest = Encoding.ASCII.GetString(param);
strRequest += "&cmd=_notify-validate";
req.ContentLength = strRequest.Length;
StreamWriter streamOut = new StreamWriter(req.GetRequestStream(), System.Text.Encoding.ASCII);
streamOut.Write(strRequest);
streamOut.Close();
StreamReader streamIn = new StreamReader(req.GetResponse().GetResponseStream());
string strResponse = streamIn.ReadToEnd();
streamIn.Close();
NameValueCollection ppDetails = HttpUtility.ParseQueryString(strRequest);
if (strResponse == "VERIFIED"){
if (ppDetails["payment_status"] == "Completed"){
//yay, give them goodies
} else if (strResponse == "INVALID"){
//log IP and possibly block them from your web services if malicious
} else {
//log response/ipn data for manual investigation
}
}
主要的区别似乎是您使用UTF8,而我的代码使用ASCII。我还添加了“ppDetails”部分,让您了解如何处理变量
希望能有帮助。我花了很长时间才弄明白Paypal IPN,一旦弄明白了,我就觉得自己太傻了。我们都在使用相同的代码lol。我的代码最初也是ASCII码-但被告知要将其改为UTF8,因为ASCII部分会生成错误“form_charset=UTF8”(这是ASCII码的东西)-但仍然,在更改为UTF8后,它仍然无法为添加额外的部分来处理变量而工作-太多了appreciated@jason你试过打印出strResponse吗?与其只是检查它是否是一组特定的字串,@JClaspill-不如尝试一下,使用“@strResponse”并输出“INVALID”@jason。请确保您使用paypal开发者沙箱网站来测试这一点。我想你是的,但如果不在这里检查:并使用上述示例将你的strLive url更改为“?”谢谢@jason(我在其他地方发现了几乎相同的代码,但无法使其正常工作,但刚刚遇到此问题,现在正成功接收IPN通知,所以我想与大家分享我的感谢:)