/// <summary>
/// 读取证券代码表
/// </summary>
/// <returns></returns>
public DataTable GetStockCode()
{
//代码表文件的完整路径
string filePath = DataPath + Market + "\\STKINFO70.DAT";
//判断文件是否存在
this.CheckFile(filePath);
if (message == filePath + "文件不存在")
{
return(null);
}
//建立存放代码表的Datatable
DataTable dtCode = new DataTable();
dtCode.Columns.Add("证券代码", typeof(string));
dtCode.Columns.Add("证券名称", typeof(string));
dtCode.Columns.Add("速记码", typeof(string));
//打开数据文件，建立文件流
FileStream fs = null;
BinaryReader br = null;
try
{
fs = new FileStream(filePath, FileMode.Open, FileAccess.Read, FileShare.ReadWrite);
br = new BinaryReader(fs);
}
catch
{
message = "读取文件" + filePath + "失败";
return(null);
}
finally
{
message = "读取文件" + filePath + "成功";
}
//存放代码的开始位置
int startAddress = 0x44A6;
//每个代码块的大小
int recordSize = 320;
//从起始位置开始读，12开始的4个字节为代码表总数
fs.Position = 0xC;// 12;
//文件中证券总数
int stockCount = br.ReadInt32();
for (int i = 0; i < stockCount; i++)
{
//实例化一个证券代码
StockCode sc = new StockCode();
//文件流的位置，开始位置+第几块*每块大小
fs.Position = startAddress + i * recordSize;
//证券代码,10个字节，后面是\0，去掉
sc.code =
this.Market + System.Text.Encoding.Default.GetString(br.ReadBytes(10)).Replace("\0", "");
if (string.IsNullOrEmpty(sc.code))
{
break;
}
//以下代码有点冗余，有空再改
//判断该代码是否是需要的编码开头的代码
foreach (string s in this.SegularCode.Split(new string[] { "," }, StringSplitOptions.None))
{
if (sc.code.Substring(0, s.Length) == s)
{
//证券名称，32个字节
sc.name = System.Text.Encoding.Default.GetString(br.ReadBytes(32)).Replace("\0", "");
//速记码
sc.sjm = ChinesePinYin.GetChineseSpell(sc.name);
//将代码信息保存到表中
DataRow dRow = dtCode.NewRow();
dRow["证券代码"] = sc.code;
dRow["证券名称"] = sc.name;
dRow["速记码"] = sc.sjm;
dtCode.Rows.Add(dRow);
}
}
//判断该代码是否是指定的代码，如指数
foreach (string s in this.SegularCode.Split(new string[] { "," }, StringSplitOptions.None))
{
if (sc.code == s)
{
//证券名称，32个字节
sc.name = System.Text.Encoding.Default.GetString(br.ReadBytes(32)).Replace("\0", "");
//将代码信息保存到表中
DataRow dRow = dtCode.NewRow();
dRow["证券代码"] = sc.code;
dRow["证券名称"] = sc.name;
dRow["速记码"] = ChinesePinYin.GetChineseSpell(sc.name);
dtCode.Rows.Add(dRow);
}
}
}
br.Close();
fs.Close();
fs.Dispose();
return(dtCode);
}
/// <summary>
/// 解析网页源代码，提取证券代码名称（东方财富网证券列表）
/// </summary>
/// <param name="content"></param>
/// <returns></returns>
public DataTable RegexStockCode(string content)
{
if (content.Length == 0)
{
return(null);
}
//上证指数、深成指数
string specificCode = Main.staticAppSetup["SpecificCode"].ToString();
//沪深A股、深圳创业板
string segularCode = Main.staticAppSetup["SegularCode"].ToString();
DataTable dt = new DataTable();
//构建显示证券代码的表格
dt.Columns.Add("证券代码", typeof(string));
dt.Columns.Add("证券名称", typeof(string));
dt.Columns.Add("速记码", typeof(string));
string stock; //每行证券信息
string gpsc; //证券市场
string gpdm;
string gpmc;
//正则获取<li><a target="_blank" href="http://quote.eastmoney.com/sz300223.html">北京君正(300223)</a></li>这种段落
Match m;
Regex r = new Regex(@"<li><a target=.*?</a></li>", RegexOptions.IgnoreCase | RegexOptions.Compiled);
for (m = r.Match(content); m.Success; m = m.NextMatch())
{
//每行证券链接
stock = m.Groups[0].Value.ToString();
//市场
if (stock.IndexOf(@"/sh") > 0)
{
gpsc = "SH";
}
else
{
gpsc = "SZ";
}
//完整行：<li><a target="_blank" href="http://quote.eastmoney.com/sh500001.html">基金金泰(500001)</a></li>
//证券名称
//截取html开始到证券代码最后一位之间的字符串
stock = stock.Substring(stock.IndexOf("html"));
//从第七位到倒数第七位之间为证券名称
gpmc = stock.Substring(6, stock.Length - 23);
//最后六位为证券代码
gpdm = gpsc + stock.Substring(gpmc.Length + 7, 6);
//判断该代码是否是需要的编码开头的代码
foreach (string s in segularCode.Split(new string[] { "," }, StringSplitOptions.None))
{
if (gpdm.Substring(0, s.Length) == s)
{
DataRow row = dt.NewRow();
row["证券代码"] = gpdm;
row["证券名称"] = gpmc;
row["速记码"] = ChinesePinYin.GetChineseSpell(gpmc);
dt.Rows.Add(row);
}
}
//判断该代码是否是指定的代码，如指数
foreach (string s in segularCode.Split(new string[] { "," }, StringSplitOptions.None))
{
if (gpdm == s)
{
DataRow row = dt.NewRow();
row["证券代码"] = gpdm;
row["证券名称"] = gpmc;
row["速记码"] = ChinesePinYin.GetChineseSpell(gpmc);
dt.Rows.Add(row);
}
}
}
return(dt);
}