推荐一个ppt模板操作工具: https://github.com/tkrotoff/PptxTemplater
然后进入正题...
一 拷贝一个幻灯片
![](https://images.cnblogs.com/OutliningIndicators/ContractedBlock.gif)
1 private static long SLIDE_ID = 1000; 2 private static uint UNIQUE_ID = 0; 3 4 /// <summary> 5 /// 拷贝一个幻灯片 6 /// </summary> 7 /// <param name="destPresentationPart"></param> 8 /// <param name="slidePartTemplate"></param> 9 /// <param name="offsetToLast"></param> 10 /// <returns></returns> 11 public static SlidePart CloneSlidePart(PresentationPart destPresentationPart, SlidePart slidePartTemplate, int? offsetToLast = 2) 12 { 13 int? insertAt = null; 14 if (offsetToLast != null) 15 { 16 insertAt = destPresentationPart.SlideParts.Count() - offsetToLast.Value; 17 } 18 19 // If the merged presentation does not have a SlideIdList 20 // element yet, add it. 21 if (destPresentationPart.Presentation.SlideIdList == null) 22 { 23 destPresentationPart.Presentation.SlideIdList = new SlideIdList(); 24 } 25 26 // Get unique ids for the slide master and slide lists 27 // for use later. 28 UNIQUE_ID = GetMaxSlideMasterId(destPresentationPart.Presentation.SlideMasterIdList); 29 30 uint maxSlideId = GetMaxSlideId(destPresentationPart.Presentation.SlideIdList); 31 SlidePart destSp; 32 SlideMasterPart destMasterPart; 33 string relId; 34 SlideMasterId newSlideMasterId; 35 SlideId newSlideId; 36 37 // Add the slide part to the destination presentation. 38 relId = "slide" + (SLIDE_ID++); 39 destSp = destPresentationPart.AddPart<SlidePart>(slidePartTemplate, relId); 40 41 // The slide master part was added. Make sure the 42 // relationship between the main presentation part and 43 // the slide master part is in place. 44 destMasterPart = destSp.SlideLayoutPart.SlideMasterPart; 45 destPresentationPart.AddPart(destMasterPart); 46 47 // Add the slide master id to the slide master id list. 48 UNIQUE_ID++; 49 newSlideMasterId = new SlideMasterId(); 50 newSlideMasterId.RelationshipId = destPresentationPart.GetIdOfPart(destMasterPart); 51 newSlideMasterId.Id = UNIQUE_ID; 52 destPresentationPart.Presentation.SlideMasterIdList.Append(newSlideMasterId); 53 54 // Add the slide id to the slide id list. 55 maxSlideId++; 56 newSlideId = new SlideId(); 57 newSlideId.RelationshipId = relId; 58 newSlideId.Id = maxSlideId; 59 if (insertAt != null) 60 { 61 destPresentationPart.Presentation.SlideIdList.InsertAt(newSlideId, insertAt.Value); 62 } 63 else 64 { 65 destPresentationPart.Presentation.SlideIdList.Append(newSlideId); 66 } 67 68 // Make sure that all slide layout ids are unique. 69 FixSlideLayoutIds(destPresentationPart); 70 71 // Save the changes to the destination deck. 72 destPresentationPart.Presentation.Save(); 73 74 return destSp; 75 } 76 77 /// <summary> 78 /// FixSlideLayoutIds 79 /// </summary> 80 /// <param name="presPart"></param> 81 private static void FixSlideLayoutIds(PresentationPart presPart) 82 { 83 // Make sure that all slide layouts have unique ids.2020/6/20 84 foreach (SlideMasterPart slideMasterPart in 85 presPart.SlideMasterParts) 86 { 87 foreach (SlideLayoutId slideLayoutId in 88 slideMasterPart.SlideMaster.SlideLayoutIdList) 89 { 90 UNIQUE_ID++; 91 slideLayoutId.Id = (uint)UNIQUE_ID; 92 } 93 94 slideMasterPart.SlideMaster.Save(); 95 } 96 } 97 98 /// <summary> 99 /// GetMaxSlideId 100 /// </summary> 101 /// <param name="slideIdList"></param> 102 /// <returns></returns> 103 private static uint GetMaxSlideId(SlideIdList slideIdList) 104 { 105 // Slide identifiers have a minimum value of greater than or 106 // equal to 256 and a maximum value of less than 2147483648. 107 uint max = 256; 108 109 if (slideIdList != null) 110 // Get the maximum id value from the current set of children. 111 foreach (SlideId child in slideIdList.Elements<SlideId>()) 112 { 113 uint id = child.Id; 114 115 if (id > max) 116 max = id; 117 } 118 119 return max; 120 } 121 122 /// <summary> 123 /// GetMaxSlideMasterId 124 /// </summary> 125 /// <param name="slideMasterIdList"></param> 126 /// <returns></returns> 127 private static uint GetMaxSlideMasterId(SlideMasterIdList slideMasterIdList) 128 { 129 // Slide master identifiers have a minimum value of greater than 130 // or equal to 2147483648. 131 uint max = 2147483648; 132 133 if (slideMasterIdList != null) 134 // Get the maximum id value from the current set of children. 135 foreach (SlideMasterId child in 136 slideMasterIdList.Elements<SlideMasterId>()) 137 { 138 uint id = child.Id; 139 140 if (id > max) 141 max = id; 142 } 143 144 return max; 145 }
二 表格中创建文本单元格
![](https://images.cnblogs.com/OutliningIndicators/ContractedBlock.gif)
1 using D = DocumentFormat.OpenXml.Drawing; 2 3 /// <summary> 4 /// 创建文本单元格 5 /// </summary> 6 /// <param name="text"></param> 7 /// <returns></returns> 8 public static D.TableCell CreateTextCell(string text, int? tableRowIndex, int fontSize = 12, string borderLineHexColor = "1784C7") 9 { 10 var textCol = new string[2]; 11 if (!string.IsNullOrEmpty(text)) 12 { 13 if (text.Length > 25) 14 { 15 textCol[0] = text.Substring(0, 25); 16 textCol[1] = text.Substring(26); 17 } 18 else 19 { 20 textCol[0] = text; 21 } 22 } 23 else 24 { 25 textCol[0] = string.Empty; 26 } 27 28 var tableCell = new D.TableCell(); 29 var textBody = new D.TextBody(); 30 var bodyProperties = new D.BodyProperties(); 31 var listStyle = new D.ListStyle(); 32 33 textBody.Append(bodyProperties); 34 textBody.Append(listStyle); 35 36 var nonNull = textCol.Where(t => t != null).ToList(); 37 foreach (var textVal in nonNull) 38 { 39 var paragraph = new D.Paragraph(); 40 var paragraphProperties = new D.ParagraphProperties() 41 { 42 Alignment = D.TextAlignmentTypeValues.Center, //水平居中 43 }; 44 45 var run = new D.Run(); 46 var runProperties = new D.RunProperties() 47 { 48 Language = "en-US", 49 Dirty = false, 50 //SmtClean = false, 51 FontSize = fontSize * 100, //字体大小 52 }; 53 //设置字体颜色 54 //D.SolidFill solidFill = new D.SolidFill(); 55 //D.RgbColorModelHex rgbColorModelHex = new D.RgbColorModelHex() { Val = "0070C0" }; 56 //solidFill.Append(rgbColorModelHex); 57 //runProperties.Append(solidFill); 58 // 设置文本 59 var drawingText = new D.Text() 60 { 61 Text = textVal, 62 }; 63 64 run.Append(runProperties); 65 run.Append(drawingText); 66 paragraph.Append(paragraphProperties); 67 paragraph.Append(run); 68 textBody.Append(paragraph); 69 } 70 71 var tableCellProperties = new D.TableCellProperties() 72 { 73 Anchor = D.TextAnchoringTypeValues.Center, //垂直居中 74 }; 75 //设置单元格边框属性(线型,线宽,颜色等) 76 SetTableCellBorderLineProperties(tableCellProperties, D.PresetLineDashValues.Dot, D.CompoundLineValues.Single, 2000, borderLineHexColor); 77 //设置单元格填充属性 78 if (tableRowIndex != null) 79 { 80 string tableCellFillColor = (tableRowIndex.Value % 2 == 0) ? "FFFFFF" : "F2F2F2"; 81 var tableCellSolidFill = new D.SolidFill() 82 { 83 RgbColorModelHex = new D.RgbColorModelHex() { Val = tableCellFillColor } 84 }; 85 tableCellProperties.Append(tableCellSolidFill); 86 } 87 88 tableCell.Append(textBody); 89 tableCell.Append(tableCellProperties); 90 return tableCell; 91 } 92 93 /// <summary> 94 /// SetTableCellBorderLineProperties 95 /// </summary> 96 /// <param name="tableCellProperties"></param> 97 /// <param name="presetLineDashValues"></param> 98 /// <param name="lineType"></param> 99 /// <param name="lineHexColor"></param> 100 private static void SetTableCellBorderLineProperties(D.TableCellProperties tableCellProperties, D.PresetLineDashValues presetLineDashValues, D.CompoundLineValues lineType, int lineWidth, string lineHexColor) 101 { 102 //left border 103 var leftBorderLineProperties = new D.LeftBorderLineProperties() { CompoundLineType = lineType, Width = lineWidth }; 104 var solidFillL = new D.SolidFill() { RgbColorModelHex = new D.RgbColorModelHex() { Val = lineHexColor } }; 105 var presetDashL = new D.PresetDash() { Val = presetLineDashValues }; 106 leftBorderLineProperties.Append(solidFillL); 107 leftBorderLineProperties.Append(presetDashL); 108 tableCellProperties.Append(leftBorderLineProperties); 109 //right border 110 var rightBorderLineProperties = new D.RightBorderLineProperties() { CompoundLineType = lineType, Width = lineWidth }; 111 var solidFillR = new D.SolidFill() { RgbColorModelHex = new D.RgbColorModelHex() { Val = lineHexColor } }; 112 var presetDashR = new D.PresetDash() { Val = presetLineDashValues }; 113 rightBorderLineProperties.Append(solidFillR); 114 rightBorderLineProperties.Append(presetDashR); 115 tableCellProperties.Append(rightBorderLineProperties); 116 //top border 117 var topBorderLineProperties = new D.TopBorderLineProperties() { CompoundLineType = lineType, Width = lineWidth }; 118 var solidFillT = new D.SolidFill() { RgbColorModelHex = new D.RgbColorModelHex() { Val = lineHexColor } }; 119 var presetDashT = new D.PresetDash() { Val = presetLineDashValues }; 120 topBorderLineProperties.Append(solidFillT); 121 topBorderLineProperties.Append(presetDashT); 122 tableCellProperties.Append(topBorderLineProperties); 123 //bottom border 124 var bottomBorderLineProperties = new D.BottomBorderLineProperties() { CompoundLineType = lineType, Width = lineWidth }; 125 var solidFillB = new D.SolidFill() { RgbColorModelHex = new D.RgbColorModelHex() { Val = lineHexColor } }; 126 var presetDashB = new D.PresetDash() { Val = presetLineDashValues }; 127 bottomBorderLineProperties.Append(solidFillB); 128 bottomBorderLineProperties.Append(presetDashB); 129 tableCellProperties.Append(bottomBorderLineProperties); 130 }
三 ppt幻灯片添加图片
![](https://images.cnblogs.com/OutliningIndicators/ContractedBlock.gif)
1 /// <summary> 2 /// 添加图片 3 /// </summary> 4 /// <param name="slidePart">slidePart</param> 5 /// <param name="imageBytes">imageBytes</param> 6 /// <param name="offsetX">X轴偏移</param> 7 /// <param name="offsetY">Y轴偏移</param> 8 /// <param name="sizeX">X轴尺寸</param> 9 /// <param name="sizeY">Y轴尺寸</param> 10 public static void AddImage(SlidePart slidePart, byte[] imageBytes, long offsetX, long offsetY, long sizeX, long sizeY) 11 { 12 var imagePart = slidePart.AddImagePart(ImagePartType.Png); 13 using (var memoryStream = new MemoryStream(imageBytes)) 14 { 15 imagePart.FeedData(memoryStream); 16 } 17 var tree = slidePart 18 .Slide 19 .Descendants<DocumentFormat.OpenXml.Presentation.ShapeTree>() 20 .First(); 21 22 var picture = new DocumentFormat.OpenXml.Presentation.Picture(); 23 picture.NonVisualPictureProperties = new DocumentFormat.OpenXml.Presentation.NonVisualPictureProperties(); 24 picture.NonVisualPictureProperties.Append(new DocumentFormat.OpenXml.Presentation.NonVisualDrawingProperties 25 { 26 Name = "My Shape", 27 Id = (UInt32)tree.ChildElements.Count - 1 28 }); 29 30 var nonVisualPictureDrawingProperties = new DocumentFormat.OpenXml.Presentation.NonVisualPictureDrawingProperties(); 31 nonVisualPictureDrawingProperties.Append(new DocumentFormat.OpenXml.Drawing.PictureLocks() 32 { 33 NoChangeAspect = true 34 }); 35 picture.NonVisualPictureProperties.Append(nonVisualPictureDrawingProperties); 36 picture.NonVisualPictureProperties.Append(new DocumentFormat.OpenXml.Presentation.ApplicationNonVisualDrawingProperties()); 37 38 var blipFill = new DocumentFormat.OpenXml.Presentation.BlipFill(); 39 var blip1 = new DocumentFormat.OpenXml.Drawing.Blip() 40 { 41 Embed = slidePart.GetIdOfPart(imagePart) 42 }; 43 var blipExtensionList1 = new DocumentFormat.OpenXml.Drawing.BlipExtensionList(); 44 var blipExtension1 = new DocumentFormat.OpenXml.Drawing.BlipExtension() 45 { 46 Uri = "{28A0092B-C50C-407E-A947-70E740481C1C}" 47 }; 48 var useLocalDpi1 = new DocumentFormat.OpenXml.Office2010.Drawing.UseLocalDpi() 49 { 50 Val = false 51 }; 52 useLocalDpi1.AddNamespaceDeclaration("a14", "http://schemas.microsoft.com/office/drawing/2010/main"); 53 blipExtension1.Append(useLocalDpi1); 54 blipExtensionList1.Append(blipExtension1); 55 blip1.Append(blipExtensionList1); 56 var stretch = new DocumentFormat.OpenXml.Drawing.Stretch(); 57 stretch.Append(new DocumentFormat.OpenXml.Drawing.FillRectangle()); 58 blipFill.Append(blip1); 59 blipFill.Append(stretch); 60 picture.Append(blipFill); 61 62 picture.ShapeProperties = new DocumentFormat.OpenXml.Presentation.ShapeProperties(); 63 picture.ShapeProperties.Transform2D = new DocumentFormat.OpenXml.Drawing.Transform2D(); 64 picture.ShapeProperties.Transform2D.Append(new DocumentFormat.OpenXml.Drawing.Offset 65 { 66 X = offsetX, 67 Y = offsetY, 68 }); 69 picture.ShapeProperties.Transform2D.Append(new DocumentFormat.OpenXml.Drawing.Extents 70 { 71 Cx = sizeX, 72 Cy = sizeY, 73 }); 74 picture.ShapeProperties.Append(new DocumentFormat.OpenXml.Drawing.PresetGeometry 75 { 76 Preset = DocumentFormat.OpenXml.Drawing.ShapeTypeValues.Rectangle 77 }); 78 79 tree.Append(picture); 80 }