我将上载一个文本文件,它将把每一行转换成一个SQL插入语句,因此它可以插入数据库中。
我尝试过,这里有3个问题:
这是我的文本文件
No Subject Code Subject Name Student ID Student Name Student Email Lecturer Name Lecturer Email
1 BSOA011 COMPUTERIZED PAYROLL 1751234-BSOA WONG QI YI [email protected] LIM BEE HUI [email protected]
2 SEMD008 COMPUTER NETWORKING 1851234-SEMD LIM FENG FENG [email protected] NG WAI KONG [email protected]
3 ITIN015 DISASTER RECOVERY MANAGEMENT 1851234-ITIN HO DENG DENG [email protected] SZE CHEN NEE @ SOO CHEN NEE [email protected]
4 ECOM004 WEB DEVELOPMENT SKILLS: WEB PROGRAMMING (PHP & MYSQL) 1851234-ECOM KONG JIA WEN [email protected] TAN MING MING [email protected]
5 CGDD002 PRACTICAL ICT SKILLS 1951234-CGDD CHONG SIAO YU [email protected] NG WAI KONG [email protected]
这是我的代码
Private Sub ReadAndReplace()
Dim file_contents As String = ""
locationPath = Server.MapPath("~") & "File\" & filename
If File.Exists(locationPath) Then
Dim reader As StreamReader = My.Computer.FileSystem.OpenTextFileReader(locationPath)
reader.ReadLine() 'skip first line
Do While reader.Peek() <> -1
file_contents += reader.ReadLine
Dim arrayOutput As String() = Split(file_contents, vbTab)
Dim errMessage As String = ""
Dim strConn As String = "server=localhost;port=3306; user id=root;" _
& "password=;database=school;SslMode=none"
Dim oDBCon As New MySqlConnection(strConn)
Try
oDBCon.Open()
'INSERT RECORD
Dim strSQL As String = "INSERT INTO studentinfo(subject_code, subject_name, student_id,
student_name, student_email, lecturer_name, lecturer_email)VALUES('" _
& arrayOutput(1) & "','" & arrayOutput(2) & "','" & arrayOutput(3) _
& "','" & arrayOutput(4) & "','" & arrayOutput(5) _
& "','" & arrayOutput(6) & "','" & arrayOutput(7) & "');"
Dim oCommand2 As New MySqlCommand(strSQL, oDBCon)
oCommand2.ExecuteNonQuery()
Catch ex As Exception
errMessage = ex.Message
Finally
oDBCon.Close()
End Try
Loop
reader.Close()
End If
End Sub
注意此行:
file_contents += reader.ReadLine
它正在添加到初始file_contents变量中,因此在拆分以创建arrayOutput时,前7个数组元素始终相同。
也许尝试file_contents = reader.ReadLine,所以每次迭代只分割一行。