public DbCommand GetStoredProcCommandWithSourceColumns(string storedProcedureName, params string[] sourceColumns)
{
CheckUtil.ArgumentNotNullOrEmpty(storedProcedureName, "storedProcedureName");
if (sourceColumns == null)
{
throw new ArgumentNullException("sourceColumns");
}
DbCommand dbCommand = GetStoredProcCommand(storedProcedureName);
using (DbConnection connection = CreateConnection())
{
dbCommand.Connection = connection;
DiscoverParameters(dbCommand);
}
int iSourceIndex = 0;
foreach (IDataParameter dbParam in dbCommand.Parameters)
{
if ((dbParam.Direction == ParameterDirection.Input) | (dbParam.Direction == ParameterDirection.InputOutput))
{
dbParam.SourceColumn = sourceColumns[iSourceIndex];
iSourceIndex++;
}
}
return(dbCommand);
}
void DoLoadDataSet(IDbCommand command, DataSet dataSet, string[] tableNames)
{
CheckUtil.ArgumentNotNullOrEmptyForCollection(tableNames, "tableNames");
for (int i = 0; i < tableNames.Length; i++)
{
CheckUtil.ArgumentNotNullOrEmpty(tableNames[i], string.Concat("tableNames[", i, "]"));
//if (string.IsNullOrEmpty(tableNames[i])) throw new ArgumentException("值不能为空或者空字符串", string.Concat("tableNames[", i, "]"));
}
try
{
using (DbDataAdapter adapter = GetDataAdapter(UpdateBehavior.Standard))
{
((IDbDataAdapter)adapter).SelectCommand = command;
//DateTime startTime = DateTime.Now;
string systemCreatedTableNameRoot = "Table";
for (int i = 0; i < tableNames.Length; i++)
{
string systemCreatedTableName = (i == 0) ? systemCreatedTableNameRoot : systemCreatedTableNameRoot + i;
adapter.TableMappings.Add(systemCreatedTableName, tableNames[i]);
}
adapter.Fill(dataSet);
//instrumentationProvider.FireCommandExecutedEvent(startTime);
}
}
catch (Exception e)
{
//instrumentationProvider.FireCommandFailedEvent(command.CommandText, ConnectionStringNoCredentials, e);
throw;
}
}
/// <summary>
/// 解密为字符串
/// </summary>
/// <param name="s"></param>
/// <returns></returns>
public string DecryptString(string s)
{
CheckUtil.ArgumentNotNullOrEmpty(s, "s");
byte[] inputData = Convert.FromBase64String(s);
string result = string.Empty;
using (MemoryStream ms = new System.IO.MemoryStream(inputData))
{
symmetricAlgorithmProvider.Key = GetLegalKey();
symmetricAlgorithmProvider.IV = GetLegalIV();
ICryptoTransform encrypto = symmetricAlgorithmProvider.CreateDecryptor();
CryptoStream cs = new CryptoStream(ms, encrypto, CryptoStreamMode.Read);
StreamReader sr = new StreamReader(cs);
result = sr.ReadLine();
//CryptoStream cs = new CryptoStream(ms, encrypto, CryptoStreamMode.Read);
//byte[] outputData = new byte[inputData.Length];
//cs.Read(outputData, 0, outputData.Length);
//result = Encoding.UTF8.GetString(outputData).TrimEnd(new char[] { '\0' });
cs.Clear();
cs.Close();
}
return result;
}
/// <summary>
/// 计算字符串的哈希值
/// </summary>
/// <param name="s"></param>
/// <param name="hashAlgorithmType"></param>
/// <param name="encoding">指定字符串的编码</param>
/// <returns></returns>
public static byte[] GetHash(string s, HashAlgorithmType hashAlgorithmType, Encoding encoding)
{
CheckUtil.ArgumentNotNullOrEmpty(s, "s");
byte[] data = encoding.GetBytes(s);
return(GetHash(data, hashAlgorithmType));
}
/// <summary>
/// 加密为数据
/// </summary>
/// <param name="s"></param>
/// <returns></returns>
public byte[] EncryptData(string s)
{
CheckUtil.ArgumentNotNullOrEmpty(s, "s");
byte[] inputData = Encoding.UTF8.GetBytes(s);
byte[] outputData = null;
using (MemoryStream ms = new System.IO.MemoryStream())
{
symmetricAlgorithmProvider.Key = GetLegalKey();
symmetricAlgorithmProvider.IV = GetLegalIV();
ICryptoTransform cryptoTransform = symmetricAlgorithmProvider.CreateEncryptor();
using (CryptoStream cs = new CryptoStream(ms, cryptoTransform, CryptoStreamMode.Write))
{
cs.Write(inputData, 0, inputData.Length);
cs.FlushFinalBlock();
outputData = ms.ToArray();
}
}
return outputData;
}
/// <summary>
/// 构造函数，指定数据提供程序工厂实例
/// </summary>
/// <param name="connectionString"></param>
/// <param name="dbProviderFactory"></param>
public Database(string connectionString, DbProviderFactory dbProviderFactory)
{
CheckUtil.ArgumentNotNullOrEmpty(connectionString, "connectionString");
CheckUtil.ArgumentNotNull(dbProviderFactory, "dbProviderFactory");
this._ConnectionString = connectionString;
this._DbProviderFactory = dbProviderFactory;
}
int DoUpdateDataSet(UpdateBehavior behavior, DataSet dataSet, string tableName, IDbCommand insertCommand, IDbCommand updateCommand, IDbCommand deleteCommand, int?updateBatchSize)
{
CheckUtil.ArgumentNotNullOrEmpty(tableName, "tableName");
CheckUtil.ArgumentNotNull(dataSet, "dataSet");
if (insertCommand == null && updateCommand == null && deleteCommand == null)
{
throw new ArgumentException(Resources.Data.MustInitAtLeastOneCommand);
}
using (DbDataAdapter adapter = GetDataAdapter(behavior))
{
IDbDataAdapter explicitAdapter = adapter;
if (insertCommand != null)
{
explicitAdapter.InsertCommand = insertCommand;
}
if (updateCommand != null)
{
explicitAdapter.UpdateCommand = updateCommand;
}
if (deleteCommand != null)
{
explicitAdapter.DeleteCommand = deleteCommand;
}
if (updateBatchSize != null)
{
adapter.UpdateBatchSize = (int)updateBatchSize;
if (insertCommand != null)
{
adapter.InsertCommand.UpdatedRowSource = UpdateRowSource.None;
}
if (updateCommand != null)
{
adapter.UpdateCommand.UpdatedRowSource = UpdateRowSource.None;
}
if (deleteCommand != null)
{
adapter.DeleteCommand.UpdatedRowSource = UpdateRowSource.None;
}
}
try
{
//DateTime startTime = DateTime.Now;
int rows = adapter.Update(dataSet.Tables[tableName]);
//instrumentationProvider.FireCommandExecutedEvent(startTime);
return(rows);
}
catch (Exception e)
{
//instrumentationProvider.FireCommandFailedEvent("DbDataAdapter.Update() " + tableName, ConnectionStringNoCredentials, e);
throw;
}
}
}
/// <summary>
/// 计算字符串的哈希值并将其转换为使用Base64编码的字符串
/// </summary>
/// <param name="s"></param>
/// <param name="hashAlgorithmType"></param>
/// <returns></returns>
public static string GetHash2Base64(string s, HashAlgorithmType hashAlgorithmType, Encoding encoding)
{
CheckUtil.ArgumentNotNullOrEmpty(s, "s");
byte[] data = GetHash(s, hashAlgorithmType, encoding);
string result = Convert.ToBase64String(data);
return(result);
}
/// <summary>
/// 计算字符串的哈希值并将其转换为字符串
/// </summary>
/// <param name="s"></param>
/// <param name="hashAlgorithmType"></param>
/// <param name="encoding">指定字符串的编码</param>
/// <returns></returns>
public static string GetHash2String(string s, HashAlgorithmType hashAlgorithmType, Encoding encoding)
{
CheckUtil.ArgumentNotNullOrEmpty(s, "s");
string result = string.Empty;
byte[] bytes = GetHash(s, hashAlgorithmType, encoding);
foreach (byte b in bytes)
{
result += Convert.ToString(b, 16).ToUpper(CultureInfo.InvariantCulture).PadLeft(2, '0');
}
return(result);
}
/// <summary>
/// 为指定的存储过程创建一个DbCommand对象实例
/// </summary>
public virtual DbCommand GetStoredProcCommand(string storedProcedureName, params object[] parameterValues)
{
CheckUtil.ArgumentNotNullOrEmpty(storedProcedureName, "storedProcedureName");
DbCommand command = CreateCommandByCommandType(CommandType.StoredProcedure, storedProcedureName);
parameterCache.SetParameters(command, this);
if (SameNumberOfParametersAndValues(command, parameterValues) == false)
{
throw new InvalidOperationException(Resources.Data.ParameterMatchFailure);
}
AssignParameterValues(command, parameterValues);
return(command);
}
/// <summary>
/// 解密为数据
/// </summary>
/// <param name="s"></param>
/// <returns></returns>
public byte[] DecryptData(string s)
{
CheckUtil.ArgumentNotNullOrEmpty(s, "s");
byte[] inputData = Convert.FromBase64String(s);
byte[] outputData = null;
using (MemoryStream ms = new System.IO.MemoryStream(inputData))
{
symmetricAlgorithmProvider.Key = GetLegalKey();
symmetricAlgorithmProvider.IV = GetLegalIV();
ICryptoTransform encrypto = symmetricAlgorithmProvider.CreateDecryptor();
CryptoStream cs = new CryptoStream(ms, encrypto, CryptoStreamMode.Read);
outputData = new byte[inputData.Length];
cs.Read(outputData, 0, outputData.Length);
cs.Clear();
cs.Close();
}
return outputData;
}
/// <summary>
/// 为指定的存储过程创建一个DbCommand对象实例
/// </summary>
public virtual DbCommand GetStoredProcCommand(string storedProcedureName)
{
CheckUtil.ArgumentNotNullOrEmpty(storedProcedureName, "storedProcedureName");
return(CreateCommandByCommandType(CommandType.StoredProcedure, storedProcedureName));
}
/// <summary>
/// 为SQL查询创建一个DbCommand对象实例
/// </summary>
public DbCommand GetSqlStringCommand(string query)
{
CheckUtil.ArgumentNotNullOrEmpty(query, "query");
return(CreateCommandByCommandType(CommandType.Text, query));
}
/// <summary>
/// 创建一个数据提供程序实例
/// </summary>
/// <param name="connectionStringName"></param>
/// <returns></returns>
public static Database Create(string connectionStringName)
{
CheckUtil.ArgumentNotNullOrEmpty(connectionStringName, "connectionStringName");
ConnectionStringSettings css = ConfigurationManager.ConnectionStrings[connectionStringName];
if (css == null)
{
throw new Exception(string.Format(Resources.Data.ConnectionStringNameNotFound, connectionStringName));
}
string connectionString = css.ConnectionString;
string providerName = css.ProviderName;
Database db = new SqlServerDatabase(connectionString);
DbProviderFactory providerFactory = null;
if (string.IsNullOrEmpty(providerName))
{
return(db);
}
//if (css.ProviderName == "System.Data.OleDb")
//{
// providerFactory = OleDbFactory.Instance;
//}
//else
//{
// providerFactory = DbProviderFactories.GetFactory(css.ProviderName);
//}
//if (providerFactory == null) throw new Exception(string.Format(Resources.Data.DataProviderNotFound, css.ProviderName));
switch (providerName)
{
//case "System.Data.SqlClient":
// break;
case "System.Data.Odbc":
db = new OdbcDatabase(connectionString);
break;
case "System.Data.OleDb":
db = new OleDbDatabase(connectionString);
break;
case "System.Data.OracleClient":
db = new OracleDatabase(connectionString);
break;
case "Oracle.ManagedDataAccess.Client":
db = new OracleDatabase(connectionString);
break;
case "Devart.Data.Oracle": //http://evget.com/zh-CN/product/954/feature.aspx http://www.devart.com/
case "DDTek.Oracle": //http://www.datadirect.com/index.html
providerFactory = DbProviderFactories.GetFactory(providerName);
db = new OracleDatabase(connectionString, providerFactory);
break;
case "System.Data.SQLite":
providerFactory = DbProviderFactories.GetFactory(providerName);
db = new SQLiteDatabase(connectionString, providerFactory);
break;
case "MySql.Data.MySqlClient":
providerFactory = DbProviderFactories.GetFactory(providerName);
db = new MySqlDatabase(connectionString, providerFactory);
break;
case "IBM.Data.DB2":
providerFactory = DbProviderFactories.GetFactory(providerName);
db = new DB2Database(connectionString, providerFactory);
break;
case "FirebirdSql.Data.FirebirdClient":
providerFactory = DbProviderFactories.GetFactory(providerName);
db = new FirebirdDatabase(connectionString, providerFactory);
break;
default:
break;
}
return(db);
}
/// <summary>
/// 创建一个数据提供程序实例
/// </summary>
/// <param name="connectionStringName"></param>
/// <returns></returns>
public static Database Create(string connectionStringName)
{
CheckUtil.ArgumentNotNullOrEmpty(connectionStringName, "connectionStringName");
DbConnConfigDAL dal = new DbConnConfigDAL();
var model = dal.FindOne(connectionStringName);
if (model == null)
{
throw new Exception(string.Format(Resources.Data.ConnectionStringNameNotFound, connectionStringName));
}
string connectionString = model.ConnectionString;
string providerName = model.ProviderName;
Database db = new SqlServerDatabase(connectionString);
DbProviderFactory providerFactory = null;
if (string.IsNullOrEmpty(providerName))
{
return(db);
}
//if (css.ProviderName == "System.Data.OleDb")
//{
// providerFactory = OleDbFactory.Instance;
//}
//else
//{
// providerFactory = DbProviderFactories.GetFactory(css.ProviderName);
//}
//if (providerFactory == null) throw new Exception(string.Format(Resources.Data.DataProviderNotFound, css.ProviderName));
switch (providerName)
{
//case "System.Data.SqlClient":
// break;
case "System.Data.Odbc":
db = new OdbcDatabase(connectionString);
break;
case "System.Data.OleDb":
db = new OleDbDatabase(connectionString);
break;
case "System.Data.SQLite":
providerFactory = DbProviderFactories.GetFactory(providerName);
db = new SQLiteDatabase(connectionString, providerFactory);
break;
case "MySql.Data.MySqlClient":
providerFactory = DbProviderFactories.GetFactory(providerName);
db = new MySqlDatabase(connectionString, providerFactory);
break;
case "IBM.Data.DB2":
providerFactory = DbProviderFactories.GetFactory(providerName);
db = new DB2Database(connectionString, providerFactory);
break;
case "FirebirdSql.Data.FirebirdClient":
providerFactory = DbProviderFactories.GetFactory(providerName);
db = new FirebirdDatabase(connectionString, providerFactory);
break;
default:
break;
}
return(db);
}
/// <summary>
/// 创建一个数据提供程序实例
/// </summary>
/// <param name="connectionStringName"></param>
/// <returns></returns>
public static Database Create(string connectionStringName)
{
CheckUtil.ArgumentNotNullOrEmpty(connectionStringName, "connectionStringName");
ConnectionStringSettings css = ConfigurationManager.ConnectionStrings[connectionStringName];
if (css == null)
{
throw new Exception(string.Format(Resources.Data.ConnectionStringNameNotFound, connectionStringName));
}
string connectionString = css.ConnectionString;
string providerName = css.ProviderName;
Database db = new SqlServerDatabase(connectionString);
DbProviderFactory providerFactory = null;
if (string.IsNullOrEmpty(providerName))
{
return(db);
}
providerFactory = DbProviderFactories.GetFactory(css.ProviderName);
if (providerFactory == null)
{
throw new Exception(string.Format(Resources.Data.DataProviderNotFound, css.ProviderName));
}
switch (providerName)
{
//case "System.Data.SqlClient":
// break;
case "System.Data.Odbc":
db = new OdbcDatabase(connectionString);
break;
case "System.Data.OleDb":
db = new OleDbDatabase(connectionString);
break;
case "System.Data.OracleClient":
db = new OracleDatabase(connectionString);
break;
case "System.Data.SQLite":
db = new SQLiteDatabase(connectionString, providerFactory);
break;
case "MySql.Data.MySqlClient":
db = new MySqlDatabase(connectionString, providerFactory);
break;
case "IBM.Data.DB2":
db = new DB2Database(connectionString, providerFactory);
break;
case "FirebirdSql.Data.FirebirdClient":
db = new FirebirdDatabase(connectionString, providerFactory);
break;
default:
break;
}
return(db);
}
