/// <summary>
/// 解压DataTable
/// </summary>
/// <param name="mybytes"></param>
/// <returns></returns>
public static DataTable ZipToDateTable(byte[] mybytes)
{
byte[] myby = YezhanbafangCore.DecompressData(mybytes, 50);
DataSet myds = YezhanbafangCore.RetrieveDataSet(myby);
return(myds.Tables[0]);
}
/// <summary>
/// 压缩DataTable
/// </summary>
/// <param name="mydt">DataTable</param>
/// <returns></returns>
public static byte[] DataTableToZip(DataTable mydt)
{
DataSet myds = new DataSet();
myds.Tables.Add(mydt.Copy());
byte[] mybt = YezhanbafangCore.GetBinaryFormatDataSet(myds);
return(YezhanbafangCore.CompressData(mybt));
}
/// <summary>
/// 解压DataSet
/// </summary>
/// <param name="mybytes"></param>
/// <returns></returns>
public static DataSet ZipToDataSet(byte[] mybytes)
{
byte[] myby = YezhanbafangCore.DecompressData(mybytes, 50);
return(YezhanbafangCore.RetrieveDataSet(myby));
}
/// <summary>
/// 压缩DataSet
/// </summary>
/// <param name="myds">DateSet</param>
/// <returns></returns>
public static byte[] DataSetToZip(DataSet myds)
{
byte[] mybys = YezhanbafangCore.GetBinaryFormatDataSet(myds);
return(YezhanbafangCore.CompressData(mybys));
}
/// <summary>
/// 解压缩字符串
/// </summary>
/// <param name="mybytes"></param>
/// <returns></returns>
public static string ZipToString(byte[] mybytes)
{
byte[] myte = YezhanbafangCore.DecompressData(mybytes, 10);
return(YezhanbafangCore.BytesToString(myte));
}
/// <summary>
/// 压缩字符串
/// </summary>
/// <param name="str">输入</param>
/// <returns>压缩后的byte[]</returns>
public static byte[] StringToZip(string str)
{
byte[] myby = YezhanbafangCore.StringToBytes(str);
return(YezhanbafangCore.CompressData(myby));
}
/// <summary>
/// 读取xml自定义的链接字符串
/// </summary>
/// <param name="path">xml文件的名称</param>
/// <returns></returns>
void ReadConString(string path)
{
XmlDocument xmlDoc = new XmlDocument();
//判断是否存在此xml
if (!File.Exists(path))
{
throw new Exception("不能找到IoRyClass类的XML配置文件！");
}
xmlDoc.Load(path);
//判断连接字符的类型
XmlNode contype = xmlDoc.SelectSingleNode("constring/type");
if (contype.InnerText.Trim() != "MSSQL" && contype.InnerText.Trim() != "ACCESS" && contype.InnerText.Trim() != "Oracle" && contype.InnerText.Trim() != "Excel")
{
throw new Exception("数据连接类型没填写,或者填写错误,只能填写MSSQL;Oracle;MySQL;ACCESS;Excel并且区分大小写!");
}
if (contype.InnerText.Trim() == "MSSQL")//sql
{
this._Contype = ConType.MSSQL;
//判断是否用简单的直接写字符串的方式
XmlNode mynode = xmlDoc.SelectSingleNode("constring/sqlserver/simple");
if (mynode.InnerText.Trim() != "")
{
this.ConString = mynode.FirstChild.Value;
}
else
{
mynode = xmlDoc.SelectSingleNode("constring/sqlserver/ip");
string ip = mynode.FirstChild.Value;
mynode = xmlDoc.SelectSingleNode("constring/sqlserver/databasename");
string databasename = mynode.FirstChild.Value;
mynode = xmlDoc.SelectSingleNode("constring/sqlserver/username");
string username = mynode.FirstChild.Value;
string password = null;
mynode = xmlDoc.SelectSingleNode("constring/sqlserver/passwordencryption");
//判断数据库字符串是否加密
if (mynode.InnerText.Trim() != "")
{
XmlNode key = xmlDoc.SelectSingleNode("constring/sqlserver/encryptKey");
password = YezhanbafangCore.DecryptDES(mynode.FirstChild.Value, key.FirstChild.Value);
}
else
{
mynode = xmlDoc.SelectSingleNode("constring/sqlserver/password");
password = mynode.FirstChild.Value;
}
string con = string.Format("Data Source={0};Initial Catalog={1};Persist Security Info=True;User ID={2};Password={3}", ip, databasename, username, password);
this.ConString = con;
}
}
else if (contype.InnerText.Trim() == "ACCESS") //access
{
this._Contype = ConType.Access;
//判断是否用简单的直接写字符串的方式
XmlNode mynode = xmlDoc.SelectSingleNode("constring/access/simple");
if (mynode.InnerText.Trim() != "")
{
this.ConString = mynode.FirstChild.Value;
}
else
{
mynode = xmlDoc.SelectSingleNode("constring/access/path");
string accpath = mynode.FirstChild.Value;
if (File.Exists(accpath))
{
string password = null;
mynode = xmlDoc.SelectSingleNode("constring/access/passwordencryption");
//判断数据库字符串是否加密
if (mynode.InnerText.Trim() != "")
{
XmlNode key = xmlDoc.SelectSingleNode("constring/access/encryptKey");
password = YezhanbafangCore.DecryptDES(mynode.FirstChild.Value, key.FirstChild.Value);
}
else
{
mynode = xmlDoc.SelectSingleNode("constring/access/password");
password = mynode.FirstChild.Value;
}
string con = string.Format("Provider=Microsoft.Jet.OLEDB.4.0;Data Source={0};Jet OLEDB:Database Password={1}", accpath, password);
this.ConString = con;
}
else
{
throw new Exception("找不到文件:" + accpath);
}
}
}
else if (contype.InnerText.Trim() == "Oracle") //Oracle
{
this._Contype = ConType.Oracle;
//判断是否用简单的直接写字符串的方式
XmlNode mynode = xmlDoc.SelectSingleNode("constring/Oracle/simple");
if (mynode.InnerText.Trim() != "")
{
this.ConString = mynode.FirstChild.Value;
}
else
{
mynode = xmlDoc.SelectSingleNode("constring/Oracle/DataSource");
string DBServer = mynode.FirstChild.Value;
mynode = xmlDoc.SelectSingleNode("constring/Oracle/username");
string username = mynode.FirstChild.Value;
string password = null;
mynode = xmlDoc.SelectSingleNode("constring/Oracle/passwordencryption");
//判断数据库字符串是否加密
if (mynode.InnerText.Trim() != "")
{
XmlNode key = xmlDoc.SelectSingleNode("constring/Oracle/encryptKey");
password = YezhanbafangCore.DecryptDES(mynode.FirstChild.Value, key.FirstChild.Value);
}
else
{
mynode = xmlDoc.SelectSingleNode("constring/Oracle/password");
password = mynode.FirstChild.Value;
}
mynode = xmlDoc.SelectSingleNode("constring/Oracle/Provider");
string con;
con = string.Format("Data Source={0};User ID={1};Password={2}", DBServer, username, password);
this.ConString = con;
}
}
else if (contype.InnerText.Trim() == "Excel")
{
this.Contype = ConType.Excel;
XmlNode mynode = xmlDoc.SelectSingleNode("constring/Excel/path");
string Excelpath = mynode.FirstChild.Value;
if (File.Exists(Excelpath))
{
this.ConString = this.GetExcelReadonlyConnStr(Excelpath);
}
else
{
throw new Exception("找不到文件:" + Excelpath);
}
}
else if (contype.InnerText.Trim() == "MySQL") //Oracle
{
this._Contype = ConType.MySQL;
//判断是否用简单的直接写字符串的方式
XmlNode mynode = xmlDoc.SelectSingleNode("constring/MySQL/simple");
if (mynode.InnerText.Trim() != "")
{
this.ConString = mynode.FirstChild.Value;
}
else
{
mynode = xmlDoc.SelectSingleNode("constring/MySQL/databasename");
string databasename = mynode.FirstChild.Value;
mynode = xmlDoc.SelectSingleNode("constring/MySQL/ip");
string IP = mynode.FirstChild.Value;
mynode = xmlDoc.SelectSingleNode("constring/MySQL/port");
string PORT = mynode.FirstChild.Value;
mynode = xmlDoc.SelectSingleNode("constring/MySQL/username");
string username = mynode.FirstChild.Value;
string password = null;
mynode = xmlDoc.SelectSingleNode("constring/MySQL/passwordencryption");
//判断数据库字符串是否加密
if (mynode.InnerText.Trim() != "")
{
XmlNode key = xmlDoc.SelectSingleNode("constring/MySQL/encryptKey");
password = YezhanbafangCore.DecryptDES(mynode.FirstChild.Value, key.FirstChild.Value);
}
else
{
mynode = xmlDoc.SelectSingleNode("constring/MySQL/password");
password = mynode.FirstChild.Value;
}
string con = string.Format("Database={0};Data Source={1};User Id={3};Password={4};pooling=false;CharSet=utf8;port={2}", databasename, IP, PORT, username, password);
this.ConString = con;
}
}
else
{
this.ConString = null;
}
}
