这是我的 vb.net 代码的循环
Do While (Not stringReader Is Nothing)
Application.DoEvents()
percent = Math.Round(curline * 100.0F / lineCount)
If (String.Compare(lineAbove, "/") = 0) Then
stringReader = fileReader.ReadLine()
curline = curline + 1
currentCategory = stringReader
TestID = TestID + 1
totalTests = totalTests + 1
Else
'INSERT INTO table1
mySqlCommand = New SqlCeCommand("
INSERT INTO table1(q_text, q_mark, q_category, q_test)
VALUES (?, ?, ?, ?)")
mySqlCommand.Connection = conn
'These VALUES
words = stringReader.Split(New Char() {" "c})
mySqlCommand.Parameters.AddWithValue("@q_text", words(0))
mySqlCommand.Parameters.AddWithValue("@q_mark", words(1))
mySqlCommand.Parameters.AddWithValue("@q_category", currentCategory)
mySqlCommand.Parameters.AddWithValue("@q_test", TestID)
'EXECUTE SQL
Try
SQLResult = mySqlCommand.ExecuteNonQuery()
Catch ex As Exception
MsgBox(ex.Message())
End Try
lblImport.Text = "Please wait ... " & percent & "%" & "."
TotalQuestions = TotalQuestions + 1
End If
stringReader = fileReader.ReadLine()
curline = curline + 1
lineAbove = stringReader
Loop
当我的代码中有超过一百万行时,这需要 10 分钟(很多)来执行。你知道我怎样才能加快处理非常大的文件的过程吗?我阅读的 .txt 文件具有相同的格式
Titlex
q1 0
q2 1
q3 1
q4 0
/
Titlexx
q1 0
q2 1
q3 1
q4 0
q5 1
在 q1,q2,...,qx 中没有任何限制,并且第二个单词始终为 0 或 1
预先感谢