C# 求余（开发者用法）

int number = 10;
if (number % 2 == 0)
{
    Console.WriteLine("Even Number");
}
else
{
    Console.WriteLine("Odd Number");
}

Dim number As Integer = 10
If number Mod 2 = 0 Then
	Console.WriteLine("Even Number")
Else
	Console.WriteLine("Odd Number")
End If

using IronPdf;

public class Program
{
    public static void Main(string[] args)
    {
        // Create an instance of the IronPDF renderer
        ChromePdfRenderer renderer = new ChromePdfRenderer();

        // Define the HTML content format for the pages
        string htmlContent = "<h1>Page {0}</h1><p>This is a sample PDF page.</p>";

        // Initialize a PDF document
        PdfDocument pdfDoc = renderer.RenderHtmlAsPdf(string.Format(htmlContent, 1));

        // Loop to generate pages
        for (int i = 1; i <= 10; i++)
        {
            // Format the page HTML based on whether the page number is even or odd
            string pageHtml = string.Format(htmlContent, i);
            if (i % 2 == 0)
            {
                // Apply style for even pages
                pageHtml = string.Format("<div style='background-color:lightblue;'>{0}</div>", pageHtml);
            }
            else
            {
                // Apply style for odd pages
                pageHtml = string.Format("<div style='background-color:lightgreen;'>{0}</div>", pageHtml);
            }

            // Render the current page
            PdfDocument pdfPage = renderer.RenderHtmlAsPdf(pageHtml);

            // Append the page to the main PDF document
            pdfDoc.AppendPdf(pdfPage);
        }

        // Save the final PDF with all pages merged
        pdfDoc.SaveAs("Modulus.pdf");
        Console.WriteLine("PDF created successfully.");
    }
}

Imports IronPdf

Public Class Program
	Public Shared Sub Main(ByVal args() As String)
		' Create an instance of the IronPDF renderer
		Dim renderer As New ChromePdfRenderer()

		' Define the HTML content format for the pages
		Dim htmlContent As String = "<h1>Page {0}</h1><p>This is a sample PDF page.</p>"

		' Initialize a PDF document
		Dim pdfDoc As PdfDocument = renderer.RenderHtmlAsPdf(String.Format(htmlContent, 1))

		' Loop to generate pages
		For i As Integer = 1 To 10
			' Format the page HTML based on whether the page number is even or odd
			Dim pageHtml As String = String.Format(htmlContent, i)
			If i Mod 2 = 0 Then
				' Apply style for even pages
				pageHtml = String.Format("<div style='background-color:lightblue;'>{0}</div>", pageHtml)
			Else
				' Apply style for odd pages
				pageHtml = String.Format("<div style='background-color:lightgreen;'>{0}</div>", pageHtml)
			End If

			' Render the current page
			Dim pdfPage As PdfDocument = renderer.RenderHtmlAsPdf(pageHtml)

			' Append the page to the main PDF document
			pdfDoc.AppendPdf(pdfPage)
		Next i

		' Save the final PDF with all pages merged
		pdfDoc.SaveAs("Modulus.pdf")
		Console.WriteLine("PDF created successfully.")
	End Sub
End Class