Put_MES/PrintService/DatCon.cs

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();
        }
    }
}