c#对接电子面单打印平台

[c#]代码库
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Net;
using System.Text;
using System.Web;
 
namespace KdGoldAPI
{
    /**
    *
    * 快递鸟电子面单接口
    *
    * @see: http://www.kdniao.com/MiandanAPI.aspx
    * @copyright: 深圳市快金数据技术服务有限公司
    * 
    * ID和Key请到官网申请：http://www.kdniao.com/ServiceApply.aspx
    */
    public class KdApiEOrderDemo
    {
        //电商ID
        private string EBusinessID = "请到快递鸟官网申请http://www.kdniao.com/ServiceApply.aspx";
        //电商加密私钥，快递鸟提供，注意保管，不要泄漏
        private string AppKey = "请到快递鸟官网申请http://www.kdniao.com/ServiceApply.aspx";
        //请求url, 正式环境地址：http://api.kdniao.cc/api/Eorderservice
        private string ReqURL = "http://testapi.kdniao.cc:8081/api/EOrderService";
 
        /// <summary>
        /// Json方式  电子面单
        /// </summary>
        /// <returns></returns>
        public string orderTracesSubByJson()
        {
            string requestData = "{'OrderCode': '012657700312'," +
                                  "'ShipperCode':'YTO'," +
                                  "'PayType':1," +
                                  "'ExpType':1," +
                                  "'Cost':1.0," +
                                  "'OtherCost':1.0," +
                                  "'Sender':" +
                                  "{" +
                                  "'Company':'LV','Name':'Taylor','Mobile':'15018442396','ProvinceName':'上海','CityName':'上海','ExpAreaName':'青浦区','Address':'明珠路73号'}," +
                                  "'Receiver':" +
                                  "{" +
                                  "'Company':'GCCUI','Name':'Yann','Mobile':'15018442396','ProvinceName':'北京','CityName':'北京','ExpAreaName':'朝阳区','Address':'三里屯街道雅秀大厦'}," +
                                  "'Commodity':" +
                                  "[{" +
                                  "'GoodsName':'鞋子','Goodsquantity':1,'GoodsWeight':1.0}]," +
                                  "'AddService':" +
                                  "[{" +
                                  "'Name':'COD','Value':'1020'}]," +
                                  "'Weight':1.0," +
                                  "'Quantity':1," +
                                  "'Volume':0.0," +
                                  "'Remark':'小心轻放'," +
                                  "'IsReturnPrintTemplate':1}";
 
            Dictionary<string, string> param = new Dictionary<string, string>();
            param.Add("RequestData", HttpUtility.UrlEncode(requestData, Encoding.UTF8));
            param.Add("EBusinessID", EBusinessID);
            param.Add("RequestType", "1007");
            string dataSign = encrypt(requestData, AppKey, "UTF-8");
            param.Add("DataSign", HttpUtility.UrlEncode(dataSign, Encoding.UTF8));
            param.Add("DataType", "2");
 
            string result = sendPost(ReqURL, param);
 
            //根据公司业务处理返回的信息......
 
            return result;
        }
 
        /// <summary>
        /// Post方式提交数据，返回网页的源代码
        /// </summary>
        /// <param name="url">发送请求的 URL</param>
        /// <param name="param">请求的参数集合</param>
        /// <returns>远程资源的响应结果</returns>
        private string sendPost(string url, Dictionary<string, string> param)
        {
            string result = "";
            StringBuilder postData = new StringBuilder();
            if (param != null && param.Count > 0)
            {
                foreach (var p in param)
                {
                    if (postData.Length > 0)
                    {
                        postData.Append("&");
                    }
                    postData.Append(p.Key);
                    postData.Append("=");
                    postData.Append(p.Value);
                }
            }
            byte[] byteData = Encoding.GetEncoding("UTF-8").GetBytes(postData.ToString());
            try
            {
 
                HttpWebRequest request = (HttpWebRequest)WebRequest.Create(url);
                request.ContentType = "application/x-www-form-urlencoded";
                request.Referer = url;
                request.Accept = "*/*";
                request.Timeout = 30 * 1000;
                request.UserAgent = "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; .NET CLR 2.0.50727; .NET CLR 3.0.04506.648; .NET CLR 3.0.4506.2152; .NET CLR 3.5.30729)";
                request.Method = "POST";
                request.ContentLength = byteData.Length;
                Stream stream = request.GetRequestStream();
                stream.Write(byteData, 0, byteData.Length);
                stream.Flush();
                stream.Close();
                HttpWebResponse response = (HttpWebResponse)request.GetResponse();
                Stream backStream = response.GetResponseStream();
                StreamReader sr = new StreamReader(backStream, Encoding.GetEncoding("UTF-8"));
                result = sr.ReadToEnd();
                sr.Close();
                backStream.Close();
                response.Close();
                request.Abort();
            }
            catch (Exception ex)
            {
                result = ex.Message;
            }
            return result;
        }
 
        ///<summary>
        ///电商Sign签名
        ///</summary>
        ///<param name="content">内容</param>
        ///<param name="keyValue">Appkey</param>
        ///<param name="charset">URL编码 </param>
        ///<returns>DataSign签名</returns>
        private string encrypt(String content, String keyValue, String charset)
        {
            if (keyValue != null)
            {
                return base64(MD5(content + keyValue, charset), charset);
            }
            return base64(MD5(content, charset), charset);
        }
 
        ///<summary>
        /// 字符串MD5加密
        ///</summary>
        ///<param name="str">要加密的字符串</param>
        ///<param name="charset">编码方式</param>
        ///<returns>密文</returns>
        private string MD5(string str, string charset)
        {
            byte[] buffer = System.Text.Encoding.GetEncoding(charset).GetBytes(str);
            try
            {
                System.Security.Cryptography.MD5CryptoServiceProvider check;
                check = new System.Security.Cryptography.MD5CryptoServiceProvider();
                byte[] somme = check.ComputeHash(buffer);
                string ret = "";
                foreach (byte a in somme)
                {
                    if (a < 16)
                        ret += "0" + a.ToString("X");
                    else
                        ret += a.ToString("X");
                }
                return ret.ToLower();
            }
            catch
            {
                throw;
            }
        }
 
        /// <summary>
        /// base64编码
        /// </summary>
        /// <param name="str">内容</param>
        /// <param name="charset">编码方式</param>
        /// <returns></returns>
        private string base64(String str, String charset)
        {
            return Convert.ToBase64String(System.Text.Encoding.GetEncoding(charset).GetBytes(str));
        }
    }
}
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