新近写了个通用的数据库访问类（c#）;支持oledb\sql\oracle\odbc数据连接，
提供sysbase,db2 的接口支持，
如果有什么错误、意见、建议。请联系我yu_nan88@126.com
经过不完全测试：
测试代码：
using System;
using System.Collections;
using System.IO;
using NUnit.Framework;
using MyPDO.DataAccess;
namespace DataAccessTest
{
/// <summary>
/// Class1 的摘要说明。
/// </summary>
[TestFixture]
public class DataAccessTest
{
public DataAccessTest()
{
//
// TODO: 在此处添加构造函数逻辑
//
}
private MyPDO.DataAccess.DataAccessor DBA;
[SetUp]
public void SetUp()
{
DBA = new DataAccessor();
DBA.ConnectString = "Provider=SQLOLEDB;data source=10.10.25.63;initial catalog=Master;user id=zha;Password=123;";
DBA.ConnectType = MyPDO.ConnectType.OleDbDataDriver;
DBA.Open();
Assert.IsTrue(DBA.IsOpen,"DBA closed");
}
[Test]
public void ExecuteNonQueryTest()
{
Hashtable hsTable = new Hashtable();
hsTable.Add("A","select * from myfiles");
DBA.
Assert.IsTrue(DBA.IsOpen,"DBA closed");
if (DBA.IsOpen == true)
{
DBA.ExecuteNonQuery(hsTable);
}
}
[Test]
public void GetDataSetTest()
{
System.Data.DataSet ds = new System.Data.DataSet();
Assert.IsTrue(DBA.IsOpen,"DBA closed");
if (DBA.IsOpen == true)
{
DBA.CommandText = "select * from myfiles";
ds = DBA.GetDataSet();
}
}
[Test]
public void GetDataTableTest()
{
Assert.IsTrue(DBA.IsOpen,"DBA closed");
if (DBA.IsOpen == true)
{
DBA.CommandText = "select * from myfiles";
System.Data.DataTable dts = DBA.GetDataTable();
}
}
[Test]
public void GetDataReaderTest()
{
Assert.IsTrue(DBA.IsOpen,"DBA closed");
if (DBA.IsOpen == true)
{
DBA.CommandText = "select * from myfiles";
System.Data.IDataReader dtReader = DBA.GetDataReader();
dtReader.Close();
}
}
[Test]
public void ExecuteCommandTest()
{
Assert.IsTrue(DBA.IsOpen,"DBA closed");
if (DBA.IsOpen == true)
{
DBA.CommandText = "select * from myfiles";
DBA.ExecuteCommand(false);
}
}
[Test]
public void SetCommandParametersTest()
{
System.Data.OleDb.OleDbParameter parms = new System.Data.OleDb.OleDbParameter();
parms.ParameterName = "@path";
parms.OleDbType = System.Data.OleDb.OleDbType.VarChar;
parms.Size = 255;
parms.SourceColumn = "path";
parms.Value = "222";
System.Data.OleDb.OleDbParameter parms1 = new System.Data.OleDb.OleDbParameter();
parms1.ParameterName = "@fname";
parms1.OleDbType = System.Data.OleDb.OleDbType.VarChar;
parms1.Size = 255;
parms1.SourceColumn = "fname";
parms1.Value = "1";
MyPDO.DataAccess.DataAccessor DBA = new DataAccessor();
DBA.ConnectString = "Provider=SQLOLEDB;data source=10.10.25.63;initial catalog=Master;user id=zha;Password=123;";
DBA.Open();
if (DBA.IsOpen == true)
{
DBA.CommandText = "select * from myfiles where path = ? and fname = ?";
DBA.SetCommandParameter(parms,false);
DBA.SetCommandParameter(parms1,false);
System.Data.DataSet ds = DBA.GetDataSet();
Assert.AreEqual(1,ds.Tables[0].Rows.Count);
DBA.Close();
}
}
[Test]
public void AllUseTest()
{
this.ExecuteCommandTest();
this.ExecuteNonQueryTest();
this.GetDataReaderTest();
this.GetDataReaderTestWithParamBlob();
this.GetDataReaderTestWithParamString();
this.GetDataSetTest();
this.GetDataTableTest();
this.SetCommandParametersTest();
}
[Test]
public void GetDataReaderTestWithParamString()
{
System.Data.OleDb.OleDbParameter parms = new System.Data.OleDb.OleDbParameter();
parms.ParameterName = "@path";
//parms.OleDbType = System.Data.OleDb.OleDbType.VarChar;
//parms.Size = 255;
//parms.SourceColumn = "path";
parms.Value = "eeee";
System.Data.OleDb.OleDbParameter parms1 = new System.Data.OleDb.OleDbParameter();
parms1.ParameterName = "@fname";
//parms1.OleDbType = System.Data.OleDb.OleDbType.VarChar;
//parms1.Size = 255;
//parms1.SourceColumn = "fname";
parms1.Value = "1";
Assert.IsTrue(DBA.IsOpen,"DBA closed");
{
DBA.CommandText = "select * from myfiles where path = ? and fname = ?";
DBA.SetCommandParameter(parms,false);
DBA.SetCommandParameter(parms1,false);
System.Data.IDataReader dtReader = DBA.GetDataReader();
dtReader.Read();
string strPath = dtReader.GetString(0);
Assert.AreEqual("eeee",strPath);
dtReader.Close();
}
}
[Test]
public void GetDataReaderTestWithParamBlob()
{
System.Data.OleDb.OleDbParameter parms = new System.Data.OleDb.OleDbParameter();
parms.ParameterName = "@path";
//parms.OleDbType = System.Data.OleDb.OleDbType.Numeric;
//parms.Size = 8;
//parms.SourceColumn = "c";
parms.Value = 999;
System.Data.OleDb.OleDbParameter parms1 = new System.Data.OleDb.OleDbParameter();
parms1.ParameterName = "@fname";
//parms1.OleDbType = System.Data.OleDb.OleDbType.Binary;
//parms1.Size = 16;
//parms1.SourceColumn = "a";
parms1.Value = GetPhoto(@"c:\a.jpg");
//parms1.Value = "111111111111111111111";
//System.Data.OleDb.OleDbParameter parms2 = new System.Data.OleDb.OleDbParameter()
Assert.IsTrue(DBA.IsOpen,"DBA closed");
{
DBA.CommandText = "insert into test(c,a) values(convert(money,?),?) ";
//DBA.CommandText = "insert into myfiles(path,fname) values(?,?)";
DBA.SetCommandParameter(parms,false);
DBA.SetCommandParameter(parms1,false);
DBA.ExecuteCommand(true);
}
}
public static byte[] GetPhoto(string filePath)
{
FileStream fs = new FileStream(filePath, FileMode.Open, FileAccess.Read);
BinaryReader br = new BinaryReader(fs);
byte[] photo = br.ReadBytes((int)fs.Length);
br.Close();
fs.Close();
return photo;
}
[Test]
public void ExecuteStoredProcedureTestOneValue()
{
if (DBA.IsOpen == true)
{
DBA.CommandText = "exec get_2 '222'";
object j = DBA.ExecuteStoredProcedure(MyPDO.StoredProcedureType.OneValue);
string s = (string)j;
Assert.AreEqual("222",s);
}
}
[Test]
public void ExecuteStoredProcedureTestNone()
{
if (DBA.IsOpen == true)
{
DBA.CommandText = "exec get_2 '222'";
object s = DBA.ExecuteStoredProcedure(MyPDO.StoredProcedureType.None);
Assert.AreEqual(null,s);
}
else
Assert.AreEqual(null,"1");
}
[Test]
public void ExecuteStoredProcedureTestDataSet()
{
if (DBA.IsOpen == true)
{
DBA.CommandText = "exec get_2 'ddddd'";
object s = DBA.ExecuteStoredProcedure(MyPDO.StoredProcedureType.DataSet);
System.Data.DataSet ds = (System.Data.DataSet)s;
if(ds.Tables.Count > 0)
{
System.Data.DataTable dt = new System.Data.DataTable();
dt = ds.Tables[0];
int str = dt.Rows.Count;
Assert.AreEqual(3,str);
}
else
Assert.AreEqual(null,"s");
}
else
Assert.AreEqual(null,"1");
}
}
}