开放式基金

using System;

using System.Text;

using System.Text.RegularExpressions;

using System.Net;

using System.IO;

using System.Collections;



namespace SEI.DL88250.SourceCodes.CSharp

{

    struct FoundationData

    {

        public string _code;

        public string _name;

        public string _tDay;

        public string _tSub1Day;

        public string _growRate;

        public string _pureValue;

    }



    class OpenFoundation

    {

        public static string[] _foundationNames 

            = { "汇添富均衡增长", 

                "景顺长城新兴成长",

                "华安宏利",

                "易方达策略成长2号",

                "南方绩优成长",

                "南方避险"

              };

        public static double[] _originalPureValue

            = { 1.8271,

                1.8120,

                1.6818,

                1.596,

                1.0,

                1.0

              };

        public static double[] _investment

            = { 50000,

                20000,

                100000,

                60000,

                60000,

                11000

              };

        public static double[] _shares

            = { _investment[0] / _originalPureValue[0], 

                _investment[1] / _originalPureValue[1],

                _investment[2] / _originalPureValue[2],

                _investment[3] / _originalPureValue[3],

                _investment[4] / _originalPureValue[4],

                _investment[5] / _originalPureValue[5],

              };



        static void Main(string[] args)

        {

            {

                ()

            }

            #region 下载数据

            string pageHtml = "";

            try

            {

                WebClient aWebClient = new WebClient();

                // 获取或设置用于对向Internet资源的请求进行身份验证的网络凭据。

                aWebClient.Credentials = CredentialCache.DefaultCredentials;

                // 从指定网站下载数据

                Byte[] pageData = aWebClient.DownloadData("http://finance.sina.com.cn/realstock/js/openfundjs.js");

                // 如果获取网站页面采用的是GB2312，则使用这句              

                pageHtml = Encoding.Default.GetString(pageData);

                // 如果获取网站页面采用的是UTF-8，则使用这句

                // string pageHtml = Encoding.UTF8.GetString(pageData);

            }

            catch (WebException webE)

            {

                Console.WriteLine(webE.Message.ToString());

            }

            #endregion 下载数据结束

            #region 数据整理

            pageHtml = pageHtml.Replace(""", "");

            string[] data = pageHtml.Split(';');

            ArrayList foundataArray = new ArrayList();

            for (int i = 2; i < data.Length - 1; i++)// data[0,1]内有不相关内容

            {

                data[i] = data[i].Remove(0, 1);

                string[] aFoundationInfo = data[i].Split('|');

                FoundationData fd;

                aFoundationInfo[0] = aFoundationInfo[0].Substring(aFoundationInfo[0].IndexOf('=')+2, 6);

                

                for (int j = 0; j < _foundationNames.Length; j++)

                {

                    if (aFoundationInfo[1] == _foundationNames[j])

                    {

                        fd._code = aFoundationInfo[0];

                        fd._name = aFoundationInfo[1];

                        fd._tDay = aFoundationInfo[2];

                        fd._tSub1Day = aFoundationInfo[3];

                        fd._growRate = aFoundationInfo[4];

                        fd._pureValue = aFoundationInfo[5];

                        foundataArray.Add(fd);

                    }



                }

            }

            #endregion 数据整理结束

            

            #region 打印基金信息

            Console.WriteLine("编号     名称                昨日净值        前日净值        增长率        累积净值");

            foreach (FoundationData of in foundataArray)

            {

                Console.WriteLine("{0}{1}{2}{3}{4}{5}",

                    PadRightTrueLen(of._code, 9, ' ', false),

                    PadRightTrueLen(of._name, 20, ' ', false),

                    PadRightTrueLen(of._tDay, 16, ' ', false),

                    PadRightTrueLen(of._tSub1Day, 16, ' ', false),

                    PadRightTrueLen(of._growRate, 15, ' ', false),

                    of._pureValue);

            }

            #endregion 打印基金信息结束

            #region 投资回报计算



            #endregion 投资回报计算结束

        }

        

        public static int TrueLength(string str)

        {

            int lenTotal = 0;

            int n = str.Length;

            string strWord = "";

            int asc;

            for (int i = 0; i < n; i++)

            {

                strWord = str.Substring(i, 1);

                asc = Convert.ToChar(strWord);

                if (asc < 0 || asc > 127)

                {

                    lenTotal = lenTotal + 2;

                }

                else

                {

                    lenTotal = lenTotal + 1;

                }

            }

            return lenTotal;

        }



        public static string PadRightTrueLen(string strOriginal, int maxTrueLength, char chrPad, bool blnCutTail)

        {

            string strNew = strOriginal;



            if (strOriginal == null || maxTrueLength <= 0)

            {

                strNew = "";

                return strNew;

            }



            int trueLen = TrueLength(strOriginal);

            if (trueLen > maxTrueLength)

            {

                if (blnCutTail)

                {

                    for (int i = strOriginal.Length - 1; i > 0; i--)

                    {

                        strNew = strNew.Substring(0, i);

                        if (TrueLength(strNew) == maxTrueLength)

                        {

                            break;

                        }

                        else if (TrueLength(strNew) < maxTrueLength)

                        {

                            strNew += chrPad.ToString();

                            break;

                        }

                    }

                }

            }

            else// 填充

            {

                for (int i = 0; i < maxTrueLength - trueLen; i++)

                {

                    strNew += chrPad.ToString();

                }

            }



            return strNew;

        }

    }

}