SqlBulkCopy从记事簿批量复制数据4_SQL

SqlBulkCopy从记事本批量复制数据4

privatestatic 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"));
 
        returndataTable; 
    }

static void Main(string[] args)
        {
            try
            {
  
                stringfilepath = @"TXT文件地址";
                StreamReader file =new StreamReader(filepath, System.Text.Encoding.Default);
  
                stringusername; 
                stringpassword; 
                stringacout; 
  
                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);
  
                }
  
                stringconnectionString = "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());
            }
  
        }