[英]Importing large csv file into Excel using PowerShell
我正在編寫一個腳本,用於在Excel文檔中導入一個大型的csv文件。 我嘗試使用一種更快的方法來輸入數據,並將數組直接傳遞給Excel而不循環。
$p = Import-Csv -Path "C:\Report.csv" -Delimiter "`t"
$Excel01 = New-Object -ComObject Excel.Application
$Excel01.Visible = $True
$Workbook01 = $Excel01.Workbooks.Add()
$Worksheet01 = $Workbook01.Sheets.Item(1)
$Worksheet01.Activate()
$Worksheet01.Range("A1:D1").EntireColumn.Value() = $p | select field1,field2...
但是當我運行它時,它掛了...我該怎么辦?
OpenText()
在Excel中已經存在。 但是請注意,您必須將文本文件的擴展名更改為.csv
以外的名稱,因為Excel對如何處理具有該擴展名的文件有自己的想法。
New-Variable -Option Constant -Name xlDelimited -Value 1
New-Variable -Option Constant -Name xlTextQualifierNone -Value -4142
New-Variable -Option Constant -Name xlWorkbookDefault -Value 51
$csv = 'C:\path\to\your.csv'
$txt = $csv -replace '\.csv$','.txt'
$xls = $csv -replace '\.csv$','.xlsx'
Rename-Item $csv $txt
$xl = New-Object -COM 'Excel.Application'
$xl.Workbooks.OpenText($txt, [Type]::Missing, [Type]::Missing, $xlDelimited, $xlTextQualifierNone, $false, $true)
$wb = $xl.Workbooks | ? { $_.FullName -eq $txt }
$wb.SaveAs($xls, $xlWorkbookDefault)
$wb.Close()
$xl.Quit()
[Type]::Missing
值是必須保留其默認值的參數所必需的。
快速又臟。 也許您可以優化它:-)
$p = Import-Csv -Path "C:\Report.csv" -Delimiter "`t"
$Excel01 = New-Object -ComObject Excel.Application
$Excel01.Visible = $True
$Workbook01 = $Excel01.Workbooks.Add()
$Worksheet01 = $Workbook01.Sheets.Item(1)
$Worksheet01.Activate()
#Add csv header to excel
For ($i = 0; $i -lt ($p | Get-Member | Where-Object -FilterScript {$_.MemberType -eq "NoteProperty"}).Count; $i ++) {
$Worksheet01.Cells.Item(1,(1+$i)) = "$(($p | Get-Member | Where-Object -FilterScript {$_.MemberType -eq "NoteProperty"})[$i].Name)"
}
#Add csv data to ecxel
$startRow = 2
For ($i = 0; $i -lt ($p | Measure-Object).Count; $i ++) {
For ($i2 = 0; $i2 -lt ($p[$i] | Get-Member | Where-Object -FilterScript {$_.MemberType -eq "NoteProperty"}).Count; $i2 ++) {
$PropertyName = ($p[$i2] | Get-Member | Where-Object -FilterScript {$_.MemberType -eq "NoteProperty"})[$i2].Name
$Worksheet01.Cells.Item($startRow,(1+$i2)) = "$($p[$i].$PropertyName)"
}
$startRow ++
}
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