支付宝接口源代码

 支付宝的接口调用很不方便,刚做好一个封装,实现了虚拟交易和实物交易。
解决方案中有三个项目以及NDoc生成的文档,简单的序列图:CommonAliPay,封装的支付宝接口。

TestAli,asp.net的测试项目
TestCommonAliPay,Nunit的测试项目。
源代码下载地址:https://files.cnblogs.com/bluewater/CommonAliPay.rar

调用方法:

1、引入CommonAliPay.dll
2、实现支付宝服务接口的方法调用方式:

AliPay ap = new AliPay();
string key = "";//填写自己的key
string partner = "";//填写自己的Partner
StandardGoods bp = new StandardGoods("trade_create_by_buyer", partner, key, "MD5", "卡2", 
    Guid.NewGuid().ToString(), 2.551m, 1, "hao_ding2000@yahoo.com.cn", "hao_ding2000@yahoo.com.cn",
    "EMS", 25.00m, "BUYER_PAY", "1");
bp.Notify_Url = "http://203.86.79.185/ali/notify.aspx";
ap.CreateStandardTrade("https://www.alipay.com/cooperate/gateway.do", bp, this);


 

上面是通用的调用方式。
下面是只支持虚拟货物的方式:

string key = "";//填写自己的key
string partner = "";//填写自己的Partner
AliPay ap = new AliPay();
DigitalGoods bp = new DigitalGoods("create_digital_goods_trade_p", partner, key, "MD5", "卡2",
    Guid.NewGuid().ToString(), 2.551m, 1, "hao_ding2000@yahoo.com.cn", "hao_ding2000@yahoo.com.cn");
bp.Notify_Url = "http://203.86.79.185/ali/notify.aspx";
ap.CreateDigitalTrade("https://www.alipay.com/cooperate/gateway.do", bp, this);


 

3、实现支付宝通知接口方法的调用(支持虚拟和实物):

protected void Page_Load(object sender, EventArgs e)
{
    string key = "";//填写自己的key
    string partner = "";//填写自己的Partner
    AliPay ap = new AliPay();
    string notifyid = Request.Form["notify_id"];
    Verify v = new Verify("notify_verify", partner, notifyid);
    ap.WaitSellerSendGoods += new AliPay.ProcessNotifyEventHandler(ap_WaitSellerSendGoods);
    ap.WaitBuyerPay += new AliPay.ProcessNotifyEventHandler(ap_WaitBuyerPay);
    ap.ProcessNotify(this, "https://www.alipay.com/cooperate/gateway.do", key, v, "utf-8");
}

void ap_WaitBuyerPay(object sender, NotifyEventArgs e)
{
    // //加入自己的处理逻辑
    Log4net.log.Error("wait buyer pay fire");
}

private void ap_WaitSellerSendGoods(object sender, NotifyEventArgs e)
{
    //加入自己的处理逻辑
    Log4net.log.Error("WaitSellerSendGoods fire");
}


 

支付宝的交易状态都被定义成了类似名称的事件。

部分源代码解析:

1、解析Forms集合到NotifyEventArgs类,因为后面此类的数据要用来做MD5Sign,所以所有值类型,不能存在初始值,如:int的0等。因此用Nullable范型。

private NotifyEventArgs ParseNotify(NameValueCollection nv, object obj)
{
    PropertyInfo[] propertyInfos = obj.GetType().GetProperties(BindingFlags.Public | BindingFlags.Instance);

    foreach (PropertyInfo pi in propertyInfos)
    {
        string v = nv.Get(pi.Name.ToLower());
        if (v != null)
        {
            if (pi.PropertyType == typeof(string))
            {
                pi.SetValue(obj, v, null);
            }
            else if (pi.PropertyType == typeof(int?))
            {
                pi.SetValue(obj, int.Parse(v), null);
            }
            else if (pi.PropertyType == typeof(decimal?))
            {
                pi.SetValue(obj, decimal.Parse(v), null);
            }
            else if (pi.PropertyType == typeof(DateTime?))
            {
                pi.SetValue(obj, DateTime.Parse(v), null);
            }
            else if (pi.PropertyType == typeof(bool))
            {
                pi.SetValue(obj, bool.Parse(v), null);
            }
            else
            {
                //转型失败会抛出异常
                pi.SetValue(obj, v, null);
            }
        }

    }
    return (NotifyEventArgs) obj;
}


 

2、从类型中获取排序后的参数

/// <summary>
/// 获取排序后的参数
/// </summary>
/// <param name="obj"></param>
/// <returns></returns>
private SortedList<string, string> GetParam(object obj)
{
    PropertyInfo[] propertyInfos = obj.GetType().GetProperties(
        BindingFlags.Public | BindingFlags.Instance);

    SortedList<string, string> sortedList 
        = new SortedList<string, string>(StringComparer.CurrentCultureIgnoreCase);

    foreach (PropertyInfo pi in propertyInfos)
    {

        if (pi.GetValue(obj, null) != null)
        {
            if (pi.Name == "Sign" || pi.Name == "Sign_Type")
            {
                continue;
            }
            sortedList.Add(pi.Name.ToLower(), pi.GetValue(obj, null).ToString());

        }
    }
    return sortedList;
}


3、从SortedList中产生参数

private string GetUrlParam(SortedList<string, string> sortedList, bool isEncode)
{
    StringBuilder param = new StringBuilder();
    StringBuilder encodeParam = new StringBuilder();
    if (isEncode == false)
    {
        foreach (KeyValuePair<string, string> kvp in sortedList)
        {
            string t = string.Format("{0}={1}", kvp.Key, kvp.Value);
            param.Append(t + "&");
        }
        return param.ToString().TrimEnd('&');
    }
    else
    {
        foreach (KeyValuePair<string, string> kvp in sortedList)
        {
            string et = string.Format("{0}={1}",
                HttpUtility.UrlEncode(kvp.Key), HttpUtility.UrlEncode(kvp.Value));
            encodeParam.Append(et + "&");
        }
        return encodeParam.ToString().TrimEnd('&');
    }
}


 

https://files.cnblogs.com/bluewater/CommonAliPay.rar
因为时间很紧,有些地方还不完善,大家提出意见,有时间我会修改的

网上赠与服务集成技术文档V1.35.pdf
http://www.chenjiliang.com/Article/ArticleAttach/84/2123/apply_alipay_donate_service.zip

原文地址:https://www.cnblogs.com/dingdingmao/p/3146517.html