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随笔档案

  1 /// <summary>
  2     /// OpenXml扩展方法
  3     /// </summary>
  4     public static class OpenXmlExtension
  5     {
  6         /// <summary>
  7         /// 获取word文档的书签
  8         /// </summary>
  9         /// <param name="wordDoc"></param>
 10         /// <returns></returns>
 11         public static List<BookmarkStart> GetBookmarkStart(this WordprocessingDocument wordDoc)
 12         {
 13             return wordDoc?.MainDocumentPart?.Document?.Descendants<BookmarkStart>()?.ToList()??new List<BookmarkStart>();
 14         }
 15         /// <summary>
 16         /// 替换书签为Text
 17         /// </summary>
 18         /// <param name="wordDoc"></param>
 19         /// <param name="bookmarkStart"></param>
 20         /// <param name="text"></param>
 21         public static void ReplaceBookmarkToText(this WordprocessingDocument wordDoc, BookmarkStart bookmarkStart, string text)
 22         {
 23             //经研究发现，字体底层都是在Text前面设置
 24             var oldRun = wordDoc.GetBookMarkStartNextRun(bookmarkStart);
 25             wordDoc.RemoveBookmarkContent(bookmarkStart);//先移除里面的内容
 26             Text str = new Text(text);
 27             Run run = new Run(str);
 28             if (oldRun != null)
 29             {
 30                 run.RunProperties = (RunProperties)(oldRun.RunProperties?.CloneNode(true) ?? new RunProperties());
 31             }
 32             var p = bookmarkStart.Parent;
 33             p?.ReplaceChild(run, bookmarkStart);
 34             run.NextSibling()?.Remove();//移除bookmarkEnd标签
 35         }
 36         /// <summary>
 37         /// 获取书签里的第一个Run
 38         /// </summary>
 39         /// <param name="wordDoc"></param>
 40         /// <param name="bookmarkStart"></param>
 41         /// <returns></returns>
 42         public static Run GetBookMarkStartNextRun(this WordprocessingDocument wordDoc,BookmarkStart bookmarkStart)
 43         {
 44             if (bookmarkStart == null)
 45             {
 46                 return null;
 47             }
 48             Run run = null;
 49             BookmarkEnd end = wordDoc.MainDocumentPart.Document.Descendants<BookmarkEnd>().Where(t => t.Id == bookmarkStart.Id).FirstOrDefault();
 50             if (end != null)
 51             {
 52                 OpenXmlElement next = null;
 53                 while (true)
 54                 {
 55                     if (next == null)
 56                     {
 57                         next = bookmarkStart.NextSibling();
 58                     }
 59                     else
 60                     {
 61                         next = next.NextSibling();
 62                     }
 63                     
 64                     if ((next) is BookmarkEnd && (BookmarkEnd)(next) == end)
 65                     {
 66                         break;
 67                     }
 68                     run = next as Run;
 69                     if (run != null)
 70                     {
 71                         break;
 72                     }
 73                 }
 74             }
 75             return run;
 76         }
 77         public static void RemoveBookmarkContent(this WordprocessingDocument wordDoc,BookmarkStart bookmarkStart)
 78         {
 79             BookmarkEnd end = wordDoc.MainDocumentPart.Document.Descendants<BookmarkEnd>().Where(t=>t.Id==bookmarkStart.Id).FirstOrDefault();
 80             if(end != null)
 81             {
 82                 while (true)
 83                 {
 84                     var run = bookmarkStart.NextSibling();
 85                     if (run == null) {break; }
 86                     if(run is BookmarkEnd && (BookmarkEnd)run == end)
 87                     {
 88                         break;
 89                     }
 90                     run.Remove();
 91                 }
 92             }
 93         }
 94         /// <summary>
 95         /// 替换书签为图片
 96         /// </summary>
 97         /// <param name="wordDoc"></param>
 98         /// <param name="bookmarkStart"></param>
 99         /// <param name="imgPath">图片绝对路径</param>
100         public static void ReplaceBookmarkToImage(this WordprocessingDocument wordDoc, BookmarkStart bookmarkStart, string imgPath)
101         {
102             var mainPart = wordDoc.MainDocumentPart;
103             if(mainPart==null)
104             {
105                 return;
106             }
107             ImagePart imagePart = mainPart.AddImagePart(imgPath.GetImagePartType());
108             using (FileStream stream = new FileStream(imgPath, FileMode.Open))
109             {
110                 imagePart.FeedData(stream);
111             }
112             var relationshipId = mainPart.GetIdOfPart(imagePart);
113             var tuple = GetImageEmus(imgPath);
114             // Define the reference of the image.
115             var element =
116                  new Drawing(
117                      new DW.Inline(
118                          new DW.Extent()
119                          {
120                              Cx = tuple.Item1,
121                              Cy = tuple.Item2
122                          },
123                          new DW.EffectExtent()
124                          {
125                              LeftEdge = 0L,
126                              TopEdge = 0L,
127                              RightEdge = 0L,
128                              BottomEdge = 0L
129                          },
130                          new DW.DocProperties()
131                          {
132                              Id = (UInt32Value)1U,
133                              Name = "Picture 1"
134                          },
135                          new DW.NonVisualGraphicFrameDrawingProperties(
136                              new A.GraphicFrameLocks() { NoChangeAspect = true }),
137                          new A.Graphic(
138                              new A.GraphicData(
139                                  new PIC.Picture(
140                                      new PIC.NonVisualPictureProperties(
141                                          new PIC.NonVisualDrawingProperties()
142                                          {
143                                              Id = (UInt32Value)0U,
144                                              Name = $"New Bitmap Image.{System.IO.Path.GetExtension(imgPath)}"
145                                          },
146                                          new PIC.NonVisualPictureDrawingProperties()),
147                                      new PIC.BlipFill(
148                                          new A.Blip(
149                                              new A.BlipExtensionList(
150                                                  new A.BlipExtension()
151                                                  {
152                                                      Uri =
153                                                         "{28A0092B-C50C-407E-A947-70E740481C1C}"
154                                                  })
155                                          )
156                                          {
157                                              Embed = relationshipId,
158                                              CompressionState =
159                                              A.BlipCompressionValues.Print
160                                          }
161                                          ,
162                                          new A.Stretch(
163                                              new A.FillRectangle())
164                                          )
165                                      ,
166                                      new PIC.ShapeProperties(
167                                          new A.Transform2D(
168                                             new A.Offset() { X = 0L, Y = 0L },
169                                             new A.Extents() { Cx = tuple.Item1, Cy = tuple.Item2 }),
170                                          new A.PresetGeometry(
171                                              new A.AdjustValueList()
172                                          )
173                                          { Preset = A.ShapeTypeValues.Rectangle })
174                                      )
175                              )
176                              {
177                                  Uri = "http://schemas.openxmlformats.org/drawingml/2006/picture"
178                              })
179                      )
180                      {
181                          DistanceFromTop = (UInt32Value)0U,
182                          DistanceFromBottom = (UInt32Value)0U,
183                          DistanceFromLeft = (UInt32Value)0U,
184                          DistanceFromRight = (UInt32Value)0U,
185                          EditId = "50D07946"
186                      });;
187 
188             if (wordDoc.MainDocumentPart is null || wordDoc.MainDocumentPart.Document.Body is null)
189             {
190                 throw new ArgumentNullException("MainDocumentPart and/or Body is null.");
191             }
192             var run = new Run(element);
193             bookmarkStart?.Parent?.ReplaceChild(run, bookmarkStart);
194             run.NextSibling()?.Remove();
195         }
196         /// <summary>
197         /// 根据文件路径 获取ImagePartType
198         /// </summary>
199         /// <param name="imgPath"></param>
200         /// <returns></returns>
201         public static PartTypeInfo GetImagePartType(this string imgPath)
202         {
203             var temp = new PartTypeInfo();
204             switch (System.IO.Path.GetExtension(imgPath).ToLower())
205             {
206                 case "png":temp = ImagePartType.Png;
207                     break;
208                 case "jpeg":temp= ImagePartType.Jpeg;
209                     break;
210                 case "bmp":temp = ImagePartType.Bmp;
211                     break;
212                 case "gif":temp = ImagePartType.Gif;
213                     break;
214                 default: temp = ImagePartType.Png;
215                     break;
216             }
217             return temp;
218         }
219         /// <summary>
220         /// 获取图片的Emus
221         /// </summary>
222         /// <param name="imgPath"></param>
223         /// <returns></returns>
224         public static Tuple<long,long> GetImageEmus(string imgPath)
225         {
226             long iWidth = 0;
227             long iHeight = 0;
228 
229             using (System.Drawing.Bitmap bmp = new System.Drawing.Bitmap(imgPath))
230             {
231                 iWidth = bmp.Width;
232                 iHeight = bmp.Height;
233             }
234             iWidth = (long)Math.Round((decimal)iWidth * 9525);
235             iHeight = (long)Math.Round((decimal)iHeight * 9525);
236             double maxWidthCm = 17.4; // Our current margins gives us 17.4cm of space
237             const int emusPerCm = 360000;
238             long maxWidthEmus = (long)(maxWidthCm * emusPerCm);
239             if (iWidth > maxWidthEmus)
240             {
241                 var ratio = (iHeight * 1.0m) / iWidth;
242                 iWidth = maxWidthEmus;
243                 iHeight = (long)(iWidth * ratio);
244             }
245             return Tuple.Create(iWidth, iHeight);
246         }
247         /// <summary>
248         /// 增加水印
249         /// </summary>
250         /// <param name="doc"></param>
251         /// <param name="watermarkText">水印文本</param>
252         public static void AddWatermark(this WordprocessingDocument doc, string watermarkText)
253         {
254             var watermarkFileName = GenerateWaterMarkImage(watermarkText);
255             if (doc.MainDocumentPart.HeaderParts.Count() == 0)
256             {
257                 doc.MainDocumentPart.DeleteParts(doc.MainDocumentPart.HeaderParts);
258                 var newHeaderPart = doc.MainDocumentPart.AddNewPart<HeaderPart>();
259                 var rId = doc.MainDocumentPart.GetIdOfPart(newHeaderPart);
260                 var headerRef = new HeaderReference();
261                 headerRef.Id = rId;
262                 var sectionProps = doc.MainDocumentPart.Document.Body.Elements<SectionProperties>().LastOrDefault();
263                 if (sectionProps == null)
264                 {
265                     sectionProps = new SectionProperties();
266                     doc.MainDocumentPart.Document.Body.Append(sectionProps);
267                 }
268                 sectionProps.RemoveAllChildren<HeaderReference>();
269                 sectionProps.Append(headerRef);
270 
271                 newHeaderPart.Header = MakeHeader();
272                 newHeaderPart.Header.Save();
273             }
274 
275             foreach (HeaderPart headerPart in doc.MainDocumentPart.HeaderParts)
276             {
277                 var sdtBlock1 = new SdtBlock();
278                 var sdtProperties1 = new SdtProperties();
279                 var sdtId1 = new SdtId() { Val = 87908844 };
280                 var sdtContentDocPartObject1 = new SdtContentDocPartObject();
281                 var docPartGallery1 = new DocPartGallery() { Val = "Watermarks" };
282                 var docPartUnique1 = new DocPartUnique();
283                 sdtContentDocPartObject1.Append(docPartGallery1);
284                 sdtContentDocPartObject1.Append(docPartUnique1);
285                 sdtProperties1.Append(sdtId1);
286                 sdtProperties1.Append(sdtContentDocPartObject1);
287 
288                 ImagePart imgPart = headerPart.AddImagePart(ImagePartType.Jpeg);
289                 using (var fileStream = new FileStream(watermarkFileName, FileMode.Open, FileAccess.Read))
290                 {
291                     imgPart.FeedData(fileStream);
292                     fileStream.Close();
293                     fileStream.Dispose();
294                 }
295                 string imgId = headerPart.GetIdOfPart(imgPart);
296 
297                 var sdtContentBlock1 = new SdtContentBlock();
298                 var paragraph2 = new Paragraph()
299                 {
300                     RsidParagraphAddition = "00656E18",
301                     RsidRunAdditionDefault = "00656E18"
302                 };
303                 var paragraphProperties2 = new ParagraphProperties();
304                 var paragraphStyleId2 = new ParagraphStyleId() { Val = "Header" };
305                 paragraphProperties2.Append(paragraphStyleId2);
306                 var run1 = new Run();
307                 var runProperties1 = new RunProperties();
308                 var noProof1 = new NoProof();
309                 var languages1 = new Languages() { EastAsia = "zh-TW" };
310                 runProperties1.Append(noProof1);
311                 runProperties1.Append(languages1);
312                 var picture1 = new Picture();
313                 var shapetype1 = new Shapetype()
314                 {
315                     Id = "_x0000_t136",
316                     CoordinateSize = "21600,21600",
317                     OptionalNumber = 136,
318                     Adjustment = "10800",
319                     EdgePath = "m@7,l@8,m@5,21600l@6,21600e"
320                 };
321                 var formulas1 = new Formulas();
322                 var formula1 = new Formula() { Equation = "sum #0 0 10800" };
323                 var formula2 = new Formula() { Equation = "prod #0 2 1" };
324                 var formula3 = new Formula() { Equation = "sum 21600 0 @1" };
325                 var formula4 = new Formula() { Equation = "sum 0 0 @2" };
326                 var formula5 = new Formula() { Equation = "sum 21600 0 @3" };
327                 var formula6 = new Formula() { Equation = "if @0 @3 0" };
328                 var formula7 = new Formula() { Equation = "if @0 21600 @1" };
329                 var formula8 = new Formula() { Equation = "if @0 0 @2" };
330                 var formula9 = new Formula() { Equation = "if @0 @4 21600" };
331                 var formula10 = new Formula() { Equation = "mid @5 @6" };
332                 var formula11 = new Formula() { Equation = "mid @8 @5" };
333                 var formula12 = new Formula() { Equation = "mid @7 @8" };
334                 var formula13 = new Formula() { Equation = "mid @6 @7" };
335                 var formula14 = new Formula() { Equation = "sum @6 0 @5" };
336 
337                 formulas1.Append(formula1);
338                 formulas1.Append(formula2);
339                 formulas1.Append(formula3);
340                 formulas1.Append(formula4);
341                 formulas1.Append(formula5);
342                 formulas1.Append(formula6);
343                 formulas1.Append(formula7);
344                 formulas1.Append(formula8);
345                 formulas1.Append(formula9);
346                 formulas1.Append(formula10);
347                 formulas1.Append(formula11);
348                 formulas1.Append(formula12);
349                 formulas1.Append(formula13);
350                 formulas1.Append(formula14);
351                 var path1 = new DocumentFormat.OpenXml.Vml.Path()
352                 {
353                     AllowTextPath = TrueFalseValue.FromBoolean(true),
354                     ConnectionPointType = ConnectValues.Custom,
355                     ConnectionPoints = "@9,0;@10,10800;@11,21600;@12,10800",
356                     ConnectAngles = "270,180,90,0"
357                 };
358                 //var textPath1 = new TextPath()
359                 //{
360                 //    On = TrueFalseValue.FromBoolean(true),
361                 //    FitShape = TrueFalseValue.FromBoolean(true)
362                 //};
363                 var shapeHandles1 = new ShapeHandles();
364 
365                 var shapeHandle1 = new ShapeHandle()
366                 {
367                     Position = "#0,bottomRight",
368                     XRange = "6629,14971"
369                 };
370 
371                 shapeHandles1.Append(shapeHandle1);
372 
373                 //var lock1 = new DocumentFormat.OpenXml.Vml.Office.Lock
374                 //{
375                 //    Extension = ExtensionHandlingBehaviorValues.Edit,
376                 //    TextLock = TrueFalseValue.FromBoolean(true),
377                 //    ShapeType = TrueFalseValue.FromBoolean(true)
378                 //};
379 
380                 shapetype1.Append(formulas1);
381                 shapetype1.Append(path1);
382                 shapetype1.Append(shapeHandles1);
383                 for (var y = 0; y < 11; y++)
384                 {
385                     for (var x = 0; x < 6; x++)
386                     {
387                         var shape1 = new Shape()
388                         {
389                             Id = "WordPictureWatermark144925235",
390                             Style = $"position:absolute;left:{(-200) + (x * 200)};top:{(-100) + (y * 100)};text-align:left;margin-left:0;margin-top:0;width:140pt;height:50pt;rotation:310;z-index:-251657216;mso-position-horizontal-relative:margin;mso-position-vertical-relative:margin",//mso-position-vertical:center;mso-position-horizontal:left;
391                             OptionalString = "_x0000_s2050",
392                             AllowInCell = TrueFalseValue.FromBoolean(false),
393                             Type = "#_x0000_t75"
394                         };
395 
396                         var imgdata = new ImageData()
397                         {
398                             Title = "logo",
399                             Gain = "19661f",
400                             BlackLevel = "22938f",
401                             RelId = imgId,
402                             RelationshipId = imgId
403                         };
404                         shape1.Append(imgdata);
405                         if (y == 0 && x == 0)
406                         {
407                             picture1.Append(shapetype1);
408                         }
409                         picture1.Append(shape1);
410                     }
411 
412                 }
413 
414 
415 
416 
417 
418                 run1.Append(runProperties1);
419                 run1.Append(picture1);
420                 paragraph2.Append(paragraphProperties2);
421                 paragraph2.Append(run1);
422                 sdtContentBlock1.Append(paragraph2);
423                 sdtBlock1.Append(sdtProperties1);
424                 sdtBlock1.Append(sdtContentBlock1);
425                 headerPart.Header.Append(sdtBlock1);
426                 headerPart.Header.Save();
427             }
428         }
429         private static Header MakeHeader()
430         {
431             var header = new Header();
432             var paragraph = new DocumentFormat.OpenXml.Wordprocessing.Paragraph();
433             var run = new Run();
434             var text = new Text();
435             text.Text = "";
436             run.Append(text);
437             paragraph.Append(run);
438             header.Append(paragraph);
439             return header;
440         }
441         /// <summary>
442         /// 生成水印图片
443         /// </summary>
444         private static string GenerateWaterMarkImage(string headerText)
445         {
446             string fileName = System.IO.Path.Combine("d:\\", string.Format("{0}_{1}.png", Guid.NewGuid().ToString(), headerText));
447             int width = 200;
448             int height = 100;
449             using (Bitmap bitmap = new Bitmap(width, height))
450             {
451                 // 使用Graphics对象来绘制  
452                 using (Graphics graphics = Graphics.FromImage(bitmap))
453                 {
454                     // 设置背景颜色  
455                     graphics.Clear(System.Drawing.Color.White);
456 
457                     // 创建字体  
458                     using (System.Drawing.Font font = new System.Drawing.Font("微软雅黑", 16))
459                     {
460                         // 创建画刷  
461                         using (SolidBrush brush = new SolidBrush(System.Drawing.Color.Black))
462                         {
463                             // 设置字符串格式  
464                             StringFormat stringFormat = new StringFormat();
465                             stringFormat.Alignment = StringAlignment.Center;
466                             stringFormat.LineAlignment = StringAlignment.Center;
467 
468                             // 在图片上绘制文字  
469                             graphics.DrawString(headerText, font, brush, new System.Drawing.Rectangle(0, 0, width, height), stringFormat);
470                         }
471                     }
472                 }
473 
474                 // 保存图片到文件  
475                 bitmap.Save(fileName, System.Drawing.Imaging.ImageFormat.Png);
476             }
477             return fileName;
478         }
479     }