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  • 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

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