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我有一个这样的 iTextSharp 页脚模板方法:

public PdfTemplate footerTemplate(){
    PdfTemplate footer = cb.CreateTemplate(500, 50);
    footer.BeginText();
    BaseFont bf2 = BaseFont.CreateFont(BaseFont.TIMES_ITALIC, "windows-1254", BaseFont.NOT_EMBEDDED);
    footer.SetFontAndSize(bf2, 11);
    footer.SetColorStroke(BaseColor.DARK_GRAY);
    footer.SetColorFill(BaseColor.GRAY);
    int al = -200;
    int v = 45 - 15;
        float widthoftext = 500.0f - bf2.GetWidthPoint(footerOneLine[0], 11);
        footer.ShowTextAligned(al, footerOneLine[0], widthoftext, v, 0);
    footer.EndText();
    return footer;
}

footerTemplate() 得到这样的字符串:

footerOneLine.Add("<b>All this line is bold, and <u>this is bold and underlined</u></b>");

我还有另一种方法将字符串转换为 HTML。方法是:

private Paragraph CreateSimpleHtmlParagraph(String text) {
    //Our return object
    Paragraph p = new Paragraph();

    //ParseToList requires a StreamReader instead of just text
    using (StringReader sr = new StringReader(text)) {
        //Parse and get a collection of elements
        List<IElement> elements = iTextSharp.text.html.simpleparser.HTMLWorker.ParseToList(sr, null);
        foreach (IElement e in elements) {
            //Add those elements to the paragraph
            p.Add(e);
        }
    }
    //Return the paragraph
    return p;
}

问题:我没有设法CreateSimpleHtmlParagraph在上述代码中使用方法。footer.ShowTextAligned(al, footerOneLine[0], widthoftext, v, 0);方法的数据类型是footer.ShowTextAligned(int, string, float, float, float); 你能帮我CreateSimpleHtmlParagraph在上面的代码中如何使用方法吗?亲切的问候。

4

1 回答 1

0

我不完全知道您是如何使用PdfTemplate的,但是您将 iTextSharp 的文本抽象(例如 aParagraph和)Chunk与原始 PDF 命令(例如ShowText(). 抽象最终使用原始命令,但可以方便地帮助您处理通常必须手动计算的换行符和当前坐标。

好消息是,只要您愿意接受您有一个固定的矩形可以在其中绘制文本,就有一种称为ColumnText直接与对象一起工作的抽象。PdfWriter.PdfContentByte

//Create a ColumnText from the current writer
var ct = new ColumnText(writer.DirectContent);
//Set the dimensions of the ColumnText
ct.SetSimpleColumn(0, 0, 500, 0 + 20);
//Create two fonts
var helv_n = BaseFont.CreateFont(BaseFont.HELVETICA, BaseFont.WINANSI, BaseFont.NOT_EMBEDDED);
var helv_b = BaseFont.CreateFont(BaseFont.HELVETICA_BOLD, BaseFont.WINANSI, BaseFont.NOT_EMBEDDED);
//Create a paragraph
var p = new Paragraph();
//Add two chunks to the paragraph with different fonts 
p.Add(new Chunk("Hello ", new iTextSharp.text.Font(helv_n, 12)));
p.Add(new Chunk("World", new iTextSharp.text.Font(helv_b, 12)));
//Add the paragraph to the ColumnText
ct.AddElement(p);
//Tell the ColumnText to draw itself
ct.Go();
于 2013-03-29T20:32:30.000 回答