阿里API 调用类

最近做Alisoft的一些isv软件，发现除了官方论坛给的一些技术支持外，网上的资料甚少，官方的也有些小BUG。于是自己写了一个API调用类，写的不是很好，但测试了基本没什么BUG；如果大家有更好的这方面资料，能一起拿来学习交流就更好了。

注意：传参的时候必须按照字母顺序传入，先按顺序传参数名，再对应着传值。

 

using System;
using System.Collections.Generic;
using System.Text;
using System.Collections;
using System.Web;
using System.Security.Cryptography;
using System.IO;
using System.Net;
using System.Xml;
namespace AlisoftApi
{
    public class Alirest
    {
        属性#region 属性  
        protected string result;
        private string posturl;
        private string code;
        private string appid;
        private string sign;
        private string _sign;
        private Int16 statu;
        private string strxml;
        /**//// <summary>
        /// 加密前
        /// </summary>
        public string Sign1
        {
            get { return _sign; }
            set { _sign = value; }
        }
        /**//// <summary>
        /// 读取返回的xml
        /// </summary>
        public string Strxml
        {
            get { return strxml; }
        }
        /**//// <summary>
        /// 程序状态，1调用成功，2需要绑定用户，-1调用失败
        /// </summary>
        public Int16 Statu
        {
            get { return statu; }
            set { statu = value; }
        }
        /**//// <summary>
        /// 设置或读取用户签名
        /// </summary>
        public string Sign
        {
            get { return sign; }
            set { sign = value; }
        }
        /**//// <summary>
        /// 设置或读取appid
        /// </summary>
        public string Appid
        {
            get { return appid; }
            set { appid = value; }
        }
        /**//// <summary>
        /// 设置或读取认证码
        /// </summary>
        public string Code
        {
            get { return code; }
            set { code = value; }
        }
        /**//// <summary>
        /// 设置或读取请求参数url
        /// </summary>
        public string Posturl
        {
            get { return posturl; }
            set { posturl = value; }
        }
        /**//// <summary>
        /// 程序返回结果
        /// </summary>
        public string Result
        {
            get { return result; }
            set { result = value; }
        }
        #endregion
        构造方法#region 构造方法
        public Alirest(string _appid, string _code, string[] strpar)
        {
            Appid = _appid;
            Code = _code;
            SortedList mySL = new SortedList();
            for (int i = 0; i < strpar.Length / 2; i++)
            {
                mySL.Add(strpar[i], strpar[(strpar.Length / 2) + i]);
            }
            StringBuilder signSb = new StringBuilder(code);
            foreach (DictionaryEntry Item in mySL)
            {
                signSb.Append(Item.Key.ToString());
                signSb.Append(Item.Value.ToString());
            }
            Sign1 = HttpUtility.UrlDecode(signSb.ToString(), Encoding.Default);
            Sign = GetMd5(HttpUtility.UrlDecode(signSb.ToString(), Encoding.Default));
            StringBuilder posturlSb = new StringBuilder("sip_sign="+Sign);
            for (int i = 0; i < strpar.Length / 2; i++)
            {
                posturlSb.Append("&");
                posturlSb.Append(strpar[i] + "="+ strpar[(strpar.Length / 2) + i]);
            }
            Posturl = HttpUtility.UrlDecode(posturlSb.ToString());
            GetUrlContent();
        }   
        #endregion
        获取返回信息#region 获取返回信息
        /**//// <summary>
        /// 获取返回信息
        /// </summary>
        protected void GetUrlContent()
        {
            ASCIIEncoding encoding = new ASCIIEncoding();
            byte[] postdata = encoding.GetBytes(Posturl);
            HttpWebRequest myRequest = (HttpWebRequest)WebRequest.Create("http://sip.alisoft.com/sip/rest");
            myRequest.Method = "POST";
            myRequest.ContentType = "application/x-www-form-urlencoded";
            myRequest.ContentLength = postdata.Length;
            Stream newStream = myRequest.GetRequestStream();
            newStream.Write(postdata, 0, postdata.Length);
            newStream.Close();
            HttpWebResponse myResponse = (HttpWebResponse)myRequest.GetResponse();
            StreamReader reader = new StreamReader(myResponse.GetResponseStream(), Encoding.UTF8);
            strxml=reader.ReadToEnd();
        }
        #endregion
        获取XML#region 获取XML
        /**//// <summary>
        /// 获取XML
        /// </summary>
        /// <param name="XmlRead">要读取的xml节点内容StringResult/result</param>
        /// <returns></returns>
        public void GetXml(string XmlRead)
        {
            XmlDocument xmlDoc = new XmlDocument();
            xmlDoc.LoadXml(Strxml);
            try
            {
                if (Strxml.Contains("http://"))
                {
                    XmlNode xncode = xmlDoc.SelectSingleNode("error_rsp/url");
                    string result = xmlDoc.SelectSingleNode("error_rsp/url").InnerText;
                    Result = result;
                    Statu = 2;
                }
                else
                {
                    XmlNode xncode = xmlDoc.SelectSingleNode(XmlRead);
                    string result = xmlDoc.SelectSingleNode(XmlRead).InnerText;
                    Statu = 1;
                    Result = result;
                }
            }
            catch
            {
                Statu = -1;
            }
        }
        #endregion
        GetMd5#region GetMd5
            /**//// <summary>
            /// 生成MD5
            /// </summary>
            /// <param name="sipsign"></param>
            /// <returns></returns>
        protected static string GetMd5(string sipsign)
        {
            MD5CryptoServiceProvider md5 = new MD5CryptoServiceProvider();
            return BitConverter.ToString(md5.ComputeHash(Encoding.UTF8.GetBytes(sipsign))).Replace("-", "");
        }
        #endregion
    }
}

//前台调用代码
    protected void Button3_Click(object sender, EventArgs e)
    {        
         string[] par ={"domainid","sip_apiname" ,"sip_appkey" ,"sip_timestamp" ,"userid" , 
             "3", "alisoft.udb.getDomainLoginId" ,  "11111" ,  DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss") , TextBox2.Text };
         Alirest ali = new Alirest("11111", "-----------------------", par);
        ali.GetXml("StringResult/result");
        if (ali.Statu == 1)
        {
            TextBox3.Text=ali.Result;
        }
        else if (ali.Statu == 2)
        {
            Response.Redirect(ali.Result);
        }
        else
        {
            TextBox3.Text = ali.Strxml;
        }
        
    }