如何在 PDF 中编辑文本（初学者教程）

using IronPdf;

class Program
{
    static void Main(string[] args)
    {
        // Load the existing PDF document
        PdfDocument pdfDocument = new PdfDocument(@"D:/Sample PDF File.pdf");

        int pageIndex = 0; // Page index where the text replacement is to be done
        string oldText = "Lorem"; // Text to be replaced
        string newText = "Edit"; // New text to replace old text

        // Replace Text on the specified Page
        pdfDocument.ReplaceTextOnPage(pageIndex, oldText, newText);

        // Save the updated PDF document
        pdfDocument.SaveAs(@"D:/Sample PDF File updated.pdf");
    }
}

Imports IronPdf

Friend Class Program
	Shared Sub Main(ByVal args() As String)
		' Load the existing PDF document
		Dim pdfDocument As New PdfDocument("D:/Sample PDF File.pdf")

		Dim pageIndex As Integer = 0 ' Page index where the text replacement is to be done
		Dim oldText As String = "Lorem" ' Text to be replaced
		Dim newText As String = "Edit" ' New text to replace old text

		' Replace Text on the specified Page
		pdfDocument.ReplaceTextOnPage(pageIndex, oldText, newText)

		' Save the updated PDF document
		pdfDocument.SaveAs("D:/Sample PDF File updated.pdf")
	End Sub
End Class