C# Net Core openxml 提取 提出 取 word 文本 图片 Html Text Drawing
C# Net Core openxml 提取 提出 取 word 文本 图片 Html Text Drawing
注：只支持内嵌，不支持公式
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---------------文章最后为效果------------
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加入包：OpenXml
创建文件：Read.cs
复制下面全部代码到文件 Read.cs
using DocumentFormat.OpenXml;
using DocumentFormat.OpenXml.Packaging;
using DocumentFormat.OpenXml.Wordprocessing;
using System;
using System.Collections.Generic;
using System.IO;
using System.Text;
using System.Xml;
using System.Xml.Xsl;
namespace YCBX.Office.WordXml
{
public class WordRead
{
public static ListReadToHtml(string wordPathStr)
{
return ReadToHtml(new FileStream(wordPathStr, FileMode.Open));
}
public static ListReadToHtml(Stream wordStream)
{
using (WordprocessingDocument doc = WordprocessingDocument.Open(wordStream, false))
{
//XmlWriterSettings settings = new XmlWriterSettings() { OmitXmlDeclaration = true, ConformanceLevel = ConformanceLevel.Auto,DoNotEscapeUriAttributes=true};
ListparagraphHtmls = new List();
MainDocumentPart mainPart = doc.MainDocumentPart;
Body body = doc.MainDocumentPart.Document.Body;
//段落
foreach (var paragraph in body.Elements())
{
StringBuilder paragraphHtml = new StringBuilder();
//块
foreach (var run in paragraph.ChildElements)
{
if (run is Run)
{
foreach (OpenXmlElement openXmlElement in run.Elements())
{
//软回车
if (openXmlElement is Break br)
{
paragraphHtmls.Add(paragraphHtml.ToString());
paragraphHtml = new StringBuilder();
}
//文字块
else if (openXmlElement is Text text)
{
paragraphHtml.Append(text.Text);
}
//图像块
else if (openXmlElement is Drawing drawing)
{
//得到图像的内嵌ID(外嵌没做处理)
var inline = drawing.Inline;
var extent = inline.Extent;
var pic = inline.Graphic.GraphicData.GetFirstChild();
var embed = pic.BlipFill.Blip.Embed.Value;
//得到图像流
var part = mainPart.GetPartById(embed);
var stream = part.GetStream();
//流转2进制
byte[] bytes = new byte[stream.Length];
stream.Read(bytes, 0, bytes.Length);
//2进制转base64
string imgHtml = $"";
paragraphHtml.Append(imgHtml);
}
}
}
//else if(run is DocumentFormat.OpenXml.Math.OfficeMath math)
//{
// var x = new XmlDocument();
// x.LoadXml(math.OuterXml);
// using var ms = ConvertToMatchMl(x, settings);
// paragraphHtml.Append(ConvertToLatex(settings, ms));
//}
}
paragraphHtmls.Add(paragraphHtml.ToString());
}
return paragraphHtmls;
}
}
// 合并文档
/public static void Combine(string finalFile, Listfiles)
{
if (files.Count
{
return;
}
File.Copy(files[0], finalFile, true);
using (WordprocessingDocument doc = WordprocessingDocument.Open(finalFile, true))
{
Body b = doc.MainDocumentPart.Document.Body;
for (int i = 1; i
{
using (WordprocessingDocument doc1 = WordprocessingDocument.Open(files[i], true))
{
foreach (var inst in doc1.MainDocumentPart.Document.Body.Elements())
{
b.Append(inst.CloneNode(true));
}
}
}
}
}
private string ConvertToLatex(XmlWriterSettings settings, Stream ms)
{
var latexTransform = new XslCompiledTransform();
latexTransform.Load(Path.Combine(AppContext.BaseDirectory, "xsltml", "mmltex.xsl"), new XsltSettings(true,true),new XmlUrlResolver() );
using var la = new MemoryStream();
latexTransform.Transform(new XmlTextReader(ms), XmlWriter.Create(la, settings));
la.Seek(0, SeekOrigin.Begin);
StreamReader sr = new StreamReader(la, Encoding.UTF8);
return sr.ReadToEnd();
}
private Stream ConvertToMatchMl(XmlDocument xmlDocument, XmlWriterSettings settings)
{
var ms = new MemoryStream();
var xslTransform = new XslCompiledTransform();
xslTransform.Load(Path.Combine(AppContext.BaseDirectory, "xsltml", "OMML2MML.XSL"));
xslTransform.Transform(xmlDocument, XmlWriter.Create(ms, settings));
ms.Seek(0, SeekOrigin.Begin);
return ms;
}
}
}
创建文件：ImageExtent.cs
复制下面全部代码到文件 ImageExtent.csusing System;
using System.Collections.Generic;
using System.Text;
namespace YCBX.Office.WordXml
{
// 图像长度单位转换
///public class ImageExtent
{
private const decimal CM_TO_PX = 96M;
private const decimal INCH_TO_CM = 2.54M;
// 厘米到EMU(English Metric Unit)
///private const decimal CM_TO_EMU = 360000M;
// EMU(English Metric Unit) 到像素(px)
//public static decimal EMU_TO_PX(decimal EMU)
{
return EMU / CM_TO_EMU / INCH_TO_CM * CM_TO_PX;
}
}
}
调用方法：var sss = new Read().ParagraphHtmlAll("1.docx");
word文件中为：
创建一个test.html，将代码放在中，查看效果为：
完成
