[置顶] SqlBulkCopy从记事本批量复制数据4

private static DataTable GetTableSchema() { DataTable dataTable = new DataTable(); dataTable.Columns.Add( "username" , Type.GetType( "System.String" )); dataTable.Columns.Add( "password" , Type.GetType( "System.String" )); dataTable.Columns.Add( "account" , Type.GetType( "System.String" )); return dataTable; }

static void Main( string [] args)
        {
            try
            {

                string filepath = @"TXT文件地址" ;
                StreamReader file = new StreamReader(filepath, System.Text.Encoding.Default);

                string username;
                string password;
                string acout;

                Stopwatch stopwatch = new Stopwatch();
                stopwatch.Start();
                DataTable dataTable = GetTableSchema();
                while ( true )
                {
                //从TXT读取数据部分
                DataRow dataRow = dataTable.NewRow();
                dataRow[ "username" ] = username;
                dataRow[ "password" ] = password;
                dataRow[ "account" ] = acout;
                dataTable.Rows.Add(dataRow);

                }

                string connectionString = "MSSQL连接字符串" ;
                SqlBulkCopy sqlBulkCopy = new SqlBulkCopy(connectionString);
                sqlBulkCopy.DestinationTableName = "表名" ;
                sqlBulkCopy.BatchSize = dataTable.Rows.Count;
                SqlConnection sqlConnection = new SqlConnection(connectionString);
                sqlConnection.Open();

                if (dataTable != null && dataTable.Rows.Count != 0)
                {
                    sqlBulkCopy.WriteToServer(dataTable);
                }
                sqlBulkCopy.Close();
                sqlConnection.Close();
                dataTable.Clear();
                stopwatch.Stop();

                file.Close();
                }
            catch (IOException e)
            {
                Console.WriteLine(e.ToString());
            }

        }