Question

我尝试在ASP.NET C＃中生成iTextSharp PDF文件，并将html表放入pdf文件中。问题是该方法仅在html表有几列时才有效。只要我的表有更多列，我就不会将所有信息都输入到pdf文件中 - 它们很简单。

有没有办法自动调整表的大小，以便将表的所有信息都放到pdf文件中？我已经使用pdf页面在landscapge模式下工作了。

以下是我生成PDF文件的代码：

//Create a byte array that will eventually hold our final PDF
        Byte[] bytes;

        //Boilerplate iTextSharp setup here
        //Create a stream that we can write to, in this case a MemoryStream
        using (MemoryStream ms = new MemoryStream())
        {

            //Create an iTextSharp Document which is an abstraction of a PDF but **NOT** a PDF
            using (Document doc = new Document(PageSize.A4.Rotate(), 10f, 10f, 10f, 0f))
            {

                //Create a writer that's bound to our PDF abstraction and our stream
                using (PdfWriter writer = PdfWriter.GetInstance(doc, ms))
                {

                    //Open the document for writing
                    doc.Open();

                    StringBuilder sb = (StringBuilder)genObjects[1];
                    String tableName = sb.ToString();
                    Table myGenTable = (Table)genObjects[0];
                    String table = genObjects[2].ToString();

                    using (StringReader srHtml = new StringReader(table))
                    {

                        //Parse the HTML
                        iTextSharp.tool.xml.XMLWorkerHelper.GetInstance().ParseXHtml(writer, doc, srHtml);
                    }

                    doc.Close();
                }
            }

            //After all of the PDF "stuff" above is done and closed but **before** we
            //close the MemoryStream, grab all of the active bytes from the stream
            bytes = ms.ToArray();
        }

        //Now we just need to do something with those bytes.
        Response.ContentType = "application/pdf";
        Response.AppendHeader("Content-Disposition", "attachment; filename=" + friendlyName+ ".pdf");
        Response.BinaryWrite(bytes);

String表返回正确的html字符串（标题+ html表）。

如果没有任何解决方案，是否有针对此问题的解决方法？

Answer 1

我是这样做的，对于任何可能仍在努力的人来说。使用其他人的建议来编辑实际的html，我将CSS width属性添加到table。这确保它适合。您可能不得不摆弄添加font-size或其他CSS属性以使其看起来很好。只需在width属性之后添加它们。

    string addCssStyling(string srhtml, string fontsize)
    {
        var styled = $"<style>table{{width: 100%; font-size: {fontsize};}}</style>" + srhtml; 
        return styled;
    }

在iTextSharp PDF中调整包含太多列的表

1 个答案: