天津投入产出系统后端
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using System;
using System.Data;
using System.Data.SqlClient;
using System.IO;
namespace coilPosition
{
class DatCon : IDisposable
{
private SqlConnection con1;
private SqlConnection con2;
private string str1;
private string str2;
public DatCon()
{
//string[] alllines = File.ReadAllLines("ip.txt");
//string strServer = alllines[0].ToString();
//string strDatabase = alllines[1].ToString();
//string strUid = alllines[2].ToString();
//string strPwd = alllines[3].ToString();
//str = "Data Source=" + strServer + ";Initial Catalog=" + strDatabase + ";Persist Security Info=True;User ID=" + strUid + ";Password=" + strPwd;
str1 = "Data Source=10.114.48.30;Initial Catalog=scJCIFisB8YB;Persist Security Info=True;User ID=X89MES;Password=x89mes";
str2 = "Data Source=10.114.50.240;Initial Catalog=B9MES_TEST;Persist Security Info=True;User ID=b9mes;Password=MESmes123";
}
private void open1()
{
try
{
if (con1 == null)
{
con1 = new SqlConnection(str1);
con1.Open();
//sqltra = con.BeginTransaction();//开始事务
}
else
{
if (con1.State.Equals(ConnectionState.Closed))
{
con1.Open();
}
}
}
catch { }
}
private void open2()
{
try
{
if (con2 == null)
{
con2 = new SqlConnection(str2);
con2.Open();
//sqltra = con.BeginTransaction();//开始事务
}
else
{
if (con2.State.Equals(ConnectionState.Closed))
{
con2.Open();
}
}
}
catch { }
}
private void close1()
{
try
{
if (con1.State.Equals(ConnectionState.Open))
{
con1.Close();
}
}
catch { }
}
private void close2()
{
try
{
if (con2.State.Equals(ConnectionState.Open))
{
con2.Close();
}
}
catch { }
}
public DataTable getTable1(string strSql)
{
try
{
open1();
SqlCommand com = new SqlCommand(strSql, con1);
SqlDataAdapter sda = new SqlDataAdapter(com);
DataSet ds = new DataSet();
sda.Fill(ds);
close1();
return ds.Tables[0];
}
catch
{
return null;
}
}
public DataTable getTable2(string strSql)
{
try
{
open2();
SqlCommand com = new SqlCommand(strSql, con2);
SqlDataAdapter sda = new SqlDataAdapter(com);
DataSet ds = new DataSet();
sda.Fill(ds);
close2();
return ds.Tables[0];
}
catch
{
return null;
}
}
public bool comExecute1(string str)
{
try
{
open1();
SqlCommand com = new SqlCommand(str, con1);
//com.Transaction = sqltra;//,在执行SQL时,
int s = com.ExecuteNonQuery();
//sqltra.Commit();
close1();
if (s > 0)
{
return true;
}
else
{
return false;
}
}
catch (Exception ex)
{
//sqltra.Rollback();
return false;
}
}
public bool comExecute2(string str)
{
try
{
open2();
SqlCommand com = new SqlCommand(str, con2);
//com.Transaction = sqltra;//,在执行SQL时,
int s = com.ExecuteNonQuery();
//sqltra.Commit();
close2();
if (s > 0)
{
return true;
}
else
{
return false;
}
}
catch (Exception ex)
{
//sqltra.Rollback();
return false;
}
}
public void writeLog(string logStr)
{
FileStream fs=new FileStream("d:\\log.txt",FileMode.Create);
byte[] data = System.Text.Encoding.Default.GetBytes(DateTime.Now.ToString("yy-MM-dd")+" : "+logStr);
fs.Write(data,0,data.Length);
fs.Flush();
fs.Close();
}
public void Dispose()
{
throw new NotImplementedException();
}
}
}