itext shatp嵌套& lt; ul& gt;< li& gt;在PdfPcell中无法使用c#正确打印 [英] itext shatp nested &lt;ul&gt; &lt;li&gt; in PdfPcell not printing correctly using c#
问题描述
这里有html文本数据
< ul>< li>< strong> sf f</strong></li>< li>> sd gmdslkg& nbsp;</strong>< ul>< li>< strong>< span style ="color:#FF0000"> dsg& nbsp;</span></strong></li>< li>< span style ="color:#FF0000">< strong> ffg& nbsp;</strong></span></li>< li>< span style ="color:#800080">< strong> dfg g fdghdf</strong></span>< ul>< li>< span style ="color:#EE82EE">< strong> dsg& nbsp; g</strong></span></li>< li>< span style ="color:#EE82EE">< strong> fdgh d</strong</span></li>< li>< span style ="color:#EE82EE">< strong> ghdf rfh& nbsp;</strong></span>< ul>< li>< span style ="color:#FFD700">< strong> hdf</strong</span></li>< li>< span style ="color:#FFD700">< strong> fdg dfghh</strong</span></li>< li>< span style ="color:#FFD700">< strong> bh dfh</strong</span></li></ul></li>< li>< span style ="color:#A52A2A">< strong> dfgh dfh& nbsp;</strong></span></li>< li>< span style ="color:#A52A2A">< strong> dfg& nbsp;</strong></span>/li></ul></li>< li>> dfg dfghd r re 5ygtr& nbsp; ger</strong</li></ul></li>< li>< span style ="color:#FF8C00">< strong> gds mgds</strong>/span</li>< li>< span style ="color:#B22222">< strong> dsfg sdg</strong>/spang</li></ul>< ol>< li>< span style ="color:#40E0D0">< strong> dslmg lmdsg</strong>/span>/li>< li>> dsg& nbsp;</strong></li>< li>< strong>& nbsp;< span style ="color:#FFA500"> grews</span>//strong</li>< li>< span style ="color:#EE82EE">< strong> dgds g& nbsp;</strong></span>/li>< li>< span style ="color:#EE82EE">< strong> gsrd h</strong</span></li>< li>< span style ="color:#800080">< strong>& nbsp;例如dsg wr4ewty 43 dfgbreg</strong</span></li>< li>< span style ="color:#800080">< strong>& nbsp; t43 t43tgfdfsgre</strong></span></li></ol>
现在,当我尝试使用以下代码在itex-sharp pdf中打印时:
var doc = new iTextSharp.text.Document();doc.Open();iTextSharp.text.html.simpleparser.StyleSheet ST =新的iTextSharp.text.html.simpleparser.StyleSheet();ST.LoadTagStyle(HtmlTags.BODY,HtmlTags.ENCODING,BaseFont.IDENTITY_H);var tmpCellNote = new PdfPCell(new Phrase("Subcontractor Notes:",noteFont)){Border = 0,HorizontalAlignment = Element.ALIGN_LEFT,Colspan = 5};tmpCellNote.PaddingLeft =(10 * schedule.Level);var objects = iTextSharp.text.html.simpleparser.HTMLWorker.ParseToList(new StringReader(Convert.ToString(schedule.Notes)),ST);for(int k = 0; k< objects.Count; ++ k){tmpCellNote.AddElement(((IElement)objects [k]);}table.AddCell(tmpCellNote);doc.Add(table);
使用上面的代码,它将像这样打印:
- 科幻小说
- sd gmdslkg
- dsg
- ffg
- dfg g fdghdf
- dsg g
- fdgh d
- ghdf rfh&
- hdf
- fdg dfghh
- bh dfh
- dfgh dfh&
- dfg
- dfg dfghd r 5ygtr ger
- gds mgds
- dsfg sdg
- dslmg lmdsg
- dsg
- 专家
- dgds g
- gsrd h
- 例如dsg w r4ewty 43 dfgbreg
- t43 t43tgfdfsgre
那么,如何使用c#和itextsharp PdfPTable和PdfPCell来嵌套< ul>
和< li>
标签?
请帮助我.
谢谢.
ITextSharp库中不支持它.
说实话,我不喜欢ITextSharp.从HTML保存PDF需要花费大量的工作.我一直在使用的是Nreco.PdfGenerator,可在此处找到:
现在,它支持嵌入式CSS,内联CSS,按CSS进行分页,按CSS进行表行为设置等等.您可以免费找到的最佳工具,以获得HTML-> PDF转换.
从HTML生成pdf的示例代码:
var generator = new NReco.PdfGenerator.HtmlToPdfConverter();var fileLines = System.IO.File.ReadAllText(@"C:\ TEMP \ test.html");//您始终可以使用任何html字符串,而不是完全使用文件var pdfBytes = generator.GeneratePdf(fileLines);//返回PDF字节[]System.IO.File.WriteAllBytes(@"C:\ TEMP \ test.pdf",pdfBytes);//保存为PDF
使用您的示例,我得到了与HTML结果相同的PDF结果.
Here I have html text data
<ul>
<li><strong>sf f</strong></li>
<li><strong>sd gmdslkg </strong>
<ul>
<li><strong><span style="color:#FF0000">dsg </span></strong></li>
<li><span style="color:#FF0000"><strong>ffg </strong></span></li>
<li><span style="color:#800080"><strong>dfg g fdghdf</strong></span>
<ul>
<li><span style="color:#EE82EE"><strong>dsg g</strong></span></li>
<li><span style="color:#EE82EE"><strong>fdgh d</strong></span></li>
<li><span style="color:#EE82EE"><strong>ghdf rfh </strong></span>
<ul>
<li><span style="color:#FFD700"><strong>hdf</strong></span></li>
<li><span style="color:#FFD700"><strong>fdg dfghh</strong></span></li>
<li><span style="color:#FFD700"><strong>bh dfh</strong></span></li>
</ul>
</li>
<li><span style="color:#A52A2A"><strong>dfgh dfh </strong></span></li>
<li><span style="color:#A52A2A"><strong>dfg </strong></span></li>
</ul>
</li>
<li><strong>dfg dfghd r re 5ygtr ger</strong></li>
</ul>
</li>
<li><span style="color:#FF8C00"><strong>gds mgds</strong></span></li>
<li><span style="color:#B22222"><strong>dsfg sdg</strong></span></li>
</ul>
<ol>
<li><span style="color:#40E0D0"><strong>dslmg lmdsg</strong></span></li>
<li><strong>dsg </strong></li>
<li><strong> <span style="color:#FFA500">grews</span></strong></li>
<li><span style="color:#EE82EE"><strong>dgds g </strong></span></li>
<li><span style="color:#EE82EE"><strong>gsrd h</strong></span></li>
<li><span style="color:#800080"><strong> eg dsg w r4ewty 43 dfgbreg</strong></span></li>
<li><span style="color:#800080"><strong> t43 t43tgfdfsgre</strong></span></li>
</ol>
and now when I trying to print in itex-sharp pdf using below code :
var doc = new iTextSharp.text.Document();
doc.Open();
iTextSharp.text.html.simpleparser.StyleSheet ST = new iTextSharp.text.html.simpleparser.StyleSheet();
ST.LoadTagStyle(HtmlTags.BODY, HtmlTags.ENCODING, BaseFont.IDENTITY_H);
var tmpCellNote = new PdfPCell(new Phrase("Subcontractor Notes: ", noteFont)) { Border = 0, HorizontalAlignment = Element.ALIGN_LEFT, Colspan = 5 };
tmpCellNote.PaddingLeft = (10 * schedule.Level);
var objects = iTextSharp.text.html.simpleparser.HTMLWorker.ParseToList(new StringReader(Convert.ToString(schedule.Notes)), ST);
for (int k = 0; k < objects.Count; ++k)
{
tmpCellNote.AddElement((IElement)objects[k]);
}
table.AddCell(tmpCellNote);
doc.Add(table);
using above code, it will printing like this:
- sf f
- sd gmdslkg
- dsg
- ffg
- dfg g fdghdf
- dsg g
- fdgh d
- ghdf rfh
- hdf
- fdg dfghh
- bh dfh
- dfgh dfh
- dfg
- dfg dfghd r re 5ygtr ger
- gds mgds
- dsfg sdg
- dslmg lmdsg
- dsg
- grews
- dgds g
- gsrd h
- eg dsg w r4ewty 43 dfgbreg
- t43 t43tgfdfsgre
So,how can I achieve this using c# and itextsharp PdfPTable and PdfPCell for nested <ul>
and <li>
tags ?
Please help me.
Thanks.
It is not supported in ITextSharp library.
To be honest, I don't like ITextSharp. Takes so much work to save PDF from HTML. What I'm always using is Nreco.PdfGenerator, found here:
Now, it supports embedded CSS,inline CSS, page breaking by CSS, table behaviour setting by CSS, well, everything. Best tool you could ever find for free to get HTML -> PDF conversion.
Example code for generating pdf from HTML:
var generator = new NReco.PdfGenerator.HtmlToPdfConverter();
var fileLines = System.IO.File.ReadAllText(@"C:\TEMP\test.html"); //you can always use ANY html string, not exactly file
var pdfBytes = generator.GeneratePdf(fileLines); //returns PDF byte[]
System.IO.File.WriteAllBytes(@"C:\TEMP\test.pdf", pdfBytes); //save to PDF
Using your example I got same PDF result as HTML result.
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