我们如何在不使用 DAO 和 JRO 的情况下在 VB.NET 或 C#.NET 中压缩访问数据库

Imports System.Data.SqlClient
Imports System.IO.Compression

Module Module1

    Sub Main()
        Dim connectionString As String = "Data Source=myServerAddress;Initial Catalog=myDataBase;Integrated Security=True"
        Dim queryString As String = "SELECT * FROM myTable"

        Using connection As New SqlConnection(connectionString)
            Dim command As New SqlCommand(queryString, connection)
            connection.Open()

            Using reader As SqlDataReader = command.ExecuteReader()
                Using zipStream As New MemoryStream()
                    Using zipArchive As New ZipArchive(zipStream, ZipArchiveMode.Create, True)
                        While reader.Read()
                            Dim entry As ZipArchiveEntry = zipArchive.CreateEntry(reader("columnName").ToString())
                            Using entryStream As Stream = entry.Open()
                                Dim buffer As Byte() = Encoding.UTF8.GetBytes(reader("columnName").ToString())
                                entryStream.Write(buffer, 0, buffer.Length)
                            End Using
                        End While
                    End Using

                    ' 在此处处理压缩后的数据
                End Using
            End Using
        End Using
    End Sub

End Module