/// <summary>
/// 以最简单的方式系列化为Bytes 的格式。
/// </summary>
/// <param name="dtData"></param>
/// <returns></returns>
public byte[] Serializer(DataTable dtData)
{
List <ColumnInfo> cols = new List <ColumnInfo>();
foreach (DataColumn col in dtData.Columns)
{
cols.Add(new ColumnInfo(col.ColumnName, col.DataType));
}
TextTableSchema schema = new TextTableSchema();
string flag = schema.ColumnsToString(cols);
string header = buildTableHeader(cols);
DataRow[] drs = dtData.Select();
using (MemoryStream stream = new MemoryStream()) {
flag = string.Format(FLAG_WORD, DATA_TABLE) + ";" + string.Format(SE_COLUMNS, flag);
byte[] bufferflag = _Encoding.GetBytes(flag + "\n");
stream.Write(bufferflag, 0, bufferflag.Length);
byte[] buffer = _Encoding.GetBytes(header + "\n");
stream.Write(buffer, 0, buffer.Length);
foreach (DataRow dr in drs)
{
string line = buildDataRow(cols, dr);
buffer = _Encoding.GetBytes(line + "\n");
stream.Write(buffer, 0, buffer.Length);
}
//压缩
byte[] bytes_c = MB.Util.Compression.Instance.Zip(stream.ToArray());
return(bytes_c);
return(stream.ToArray());
}
}
/// <summary>
/// 以最简单的方式系列化为Bytes 的格式。
/// </summary>
/// <param name="dataReader"></param>
/// <returns></returns>
public byte[] Serializer(IDataReader dataReader)
{
//ColumnName
DataTable headerReader = dataReader.GetSchemaTable();
//构建表头：
DataRow[] heads = headerReader.Select();
List <ColumnInfo> cols = new List <ColumnInfo>();
foreach (DataRow dr in heads)
{
cols.Add(new ColumnInfo(dr["ColumnName"].ToString(), (Type)dr["DataType"]));
}
TextTableSchema schema = new TextTableSchema();
string flag = schema.ColumnsToString(cols);
string header = buildTableHeader(cols);
using (MemoryStream stream = new MemoryStream()) {
flag = string.Format(FLAG_WORD, DATA_TABLE) + ";" + string.Format(SE_COLUMNS, flag);
byte[] bufferflag = _Encoding.GetBytes(flag + "\n");
stream.Write(bufferflag, 0, bufferflag.Length);
byte[] buffer = _Encoding.GetBytes(header + "\n");
stream.Write(buffer, 0, buffer.Length);
while (dataReader.Read())
{
string line = buildDataRow(cols, dataReader);
buffer = _Encoding.GetBytes(line + "\n");
stream.Write(buffer, 0, buffer.Length);
}
dataReader.Close();
//压缩
byte[] bytes_c = MB.Util.Compression.Instance.Zip(stream.ToArray());
return(bytes_c);
}
}
