在Blazor中为SelectPDF添加文件流(服务器端)

using SelectPdf;

public class MyComponent : ComponentBase
{
    public async Task<Stream> GeneratePdf()
    {
        // 创建一个新的PDF文档
        PdfDocument document = new PdfDocument();

        // 添加内容到PDF文档
        PdfPage page = document.AddPage();
        page.AddText("Hello, World!");

        // 将PDF文档保存到内存流中
        MemoryStream stream = new MemoryStream();
        document.Save(stream);
        stream.Position = 0;

        return stream;
    }
}

@page "/pdf"

<object type="application/pdf" data="@pdfDataUrl" width="100%" height="600px">
    <p>无法显示PDF文件。</p>
</object>

@code {
    private string pdfDataUrl;

    protected override async Task OnInitializedAsync()
    {
        var stream = await GeneratePdf();
        pdfDataUrl = $"data:application/pdf;base64,{Convert.ToBase64String(stream.ToArray())}";
    }
}