有什么好的方法把CSV格式导入到SQL数据库中?有VB.NET或者C#代码更加好,或者指教思路也可以,感谢啦!
1.用SQL自带的工具(导入导出数据)就可以
2.不代码的话,每次读一行,按','进行Split成为一个数组,写入数据库就可以了
csv其实就是txt。你可以当成文本一行一行的处理。写数据库用ado.net就是了。
代码就是一行行读取,用逗号作为格列的数据。
.SQL自带的工具就可以吧。。。
2000万数据都是用代码读取出来放进去的
SQLServer自带的导入工具,选择源为csv就可以了
是给基础用户的,操作员不会使用SQL导入。网上找到代码如下,不知道怎么去掉前面的几行。
Private Sub Button2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button2.Click
Dim intColCount As Integer = 0
Dim blnFlag As Boolean = True
Dim mydt As New DataTable
Dim mydc As DataColumn
Dim mydr As DataRow
Dim strpath As String = "E:\Computer Knit\PR20150611_0801.csv"
Dim strline As String
Dim aryline() As String
Dim i As Integer
Dim rowNum As Integer
Dim mysr As System.IO.StreamReader = New System.IO.StreamReader(strpath, System.Text.Encoding.GetEncoding("GB2312"))
strline = mysr.ReadLine()
rowNum = 1
While (strline <> Nothing)
aryline = Split(strline, ",")
If rowNum = 1 Then
If (blnFlag = True) Then
blnFlag = False
intColCount = aryline.Length
For i = 0 To aryline.Length - 1
mydc = New DataColumn(aryline(i))
mydt.Columns.Add(mydc)
Next
End If
Else
mydr = mydt.NewRow()
For i = 0 To intColCount - 1
mydr(i) = aryline(i)
Next
mydt.Rows.Add(mydr)
End If
strline = mysr.ReadLine()
rowNum = rowNum + 1
End While
DataGridView1.DataSource = mydt
End Sub