基于C#實現(xiàn)Word加蓋的騎縫章效果
更新時間：2024年01月26日 08:46:27 作者：初九之潛龍勿用
這篇文章主要為大家詳細(xì)介紹了如何使用C#實現(xiàn)Word加蓋的騎縫章效果,文中的示例代碼講解詳細(xì),具有一定的借鑒價值,有需要的小伙伴可以參考下
實現(xiàn)效果
在OA的自動化處理系統(tǒng)中，通過審批的最終節(jié)點，可能會對WORD文件加蓋電子章，比如定位帶有指定文字的Range周圍加蓋電子章，騎縫章，甚至水印圖片。比如如下效果圖：
范例運行環(huán)境
操作系統(tǒng)： Windows Server 2019 DataCenter
操作系統(tǒng)上安裝 Office Word 2016 ，客戶端使用的 Office Word 2019
.net版本： .netFramework4.7.1 或以上
開發(fā)工具：VS2019 C#
Office DCOM 配置
請參考我的文章《C# 讀取Word表格到DataSet》有對Office DCOM詳細(xì)配置介紹，這里不再贅述。
設(shè)計實現(xiàn)
創(chuàng)建stamp圖章類
導(dǎo)出WORD文件可以傳入多個圖章類（如果需要的話），圖章類主要包括實現(xiàn)如下設(shè)置：
1、可設(shè)置三種圖片（標(biāo)準(zhǔn)的蓋章圖片、騎縫章圖片、水印圖片）
2、標(biāo)準(zhǔn)的蓋章圖片是否顯示，不顯示則可以只顯示騎縫章或水印圖片，這個可以模擬多次蓋騎縫章的效果
3、定位蓋章文字，可以設(shè)置一下 x、y的偏移量，以校準(zhǔn)指定的模板文件，達(dá)到最佳重疊效果。
4、可設(shè)置各種章的翻轉(zhuǎn)角度（可隨機選?。?/p>
示例代碼如下：
public class stamp
{
public string stampImageFilename = ""; //蓋章圖片
public string stampImageFilename2 = ""; //騎縫章圖片
public string stampImageFilename3 = ""; //水印章圖片
public bool stampImageVisible = true; //主章是否可顯示
public string findWord = ""; //查找蓋章定位文字
public int findWordOffsetX = 0; //查找蓋章文字后，章的定位偏移量
public int findWordOffsetY = 0; //查找蓋章文字后，章的定位偏移量
public int stamp2X = 0; //騎縫章偏移量
public int stamp2Y = 0; //騎縫章偏移量
public int roteAngle = 0; //騎縫章翻轉(zhuǎn)角度，12點方向為0度，順時針計算角度
public bool roteReFix = false; //騎縫章翻轉(zhuǎn)角度重新計算適應(yīng)圖片（多見于對角線）
public bool randomRoteAngle = false; //騎縫章是否按指定角度的最大隨機值提取
public int stampImageWidth = 0; //章寬度
public int stampImageHeight = 0; //章高度
public string stamp2Direction = "right"; //騎縫章蓋章方向 默認(rèn)right ，包括 left/top/bottom
public int stampAngle = 0; //騎縫章翻轉(zhuǎn)角度，12點方向為0度，順時針計算角度
public bool randomStampAngle = false; //騎縫章是否按指定角度的最大隨機值提取
public int stamp3X = 0; //水印章每頁X
public int stamp3Y = 0; //水印章每頁Y
public int stamp3Angle = 0; //水印章翻轉(zhuǎn)角度，12點方向為0度，順時針計算角度
}電子章圖片的計算與定位
可以創(chuàng)建多個圖章類添加 ArrayList 中進行方法傳遞， 初始值為public ArrayList Stamps = null;
創(chuàng)建方法 public string setWordStamps(string _filename,ArrayList Stamps)
實現(xiàn)的功能大致如下：
1、主章根據(jù)提供查找的關(guān)鍵字，如 “蓋章處：”、“蓋章：”，然后添加圖片重疊在文字的上方周圍
2、騎縫章根據(jù)頁數(shù)進行分割計算，每頁分隔寬度不小于 1 像素
3、騎縫章可選擇“蓋”在頁面的上下左右位置，如果多個位置方向都需要“蓋”，則傳遞多個 stamp 圖章類
4、章可以隨機和指定旋轉(zhuǎn)角度
示例代碼如下：
public string setWordStamps(string _filename,ArrayList Stamps){
Object Nothing =System.Reflection.Missing.Value;
string _file="",_path=Path.GetDirectoryName(_filename)+"\\tempbfile\\",_ext="";
_file=Path.GetFileNameWithoutExtension(_filename);
_ext=Path.GetExtension(_filename);
string _validfilename=Guid.NewGuid().ToString()+_ext;
string _lastfile=_path+_validfilename;
string _pdfFile = _path + Guid.NewGuid().ToString() + ".pdf";
System.IO.File.Copy(_filename,_lastfile,true);
if(!File.Exists(_lastfile))
{
return "";
}
//取得Word文件保存路徑
object filename=_lastfile;
//創(chuàng)建一個名為WordApp的組件對象
Word.Application WordApp=new Word.Application();
//創(chuàng)建一個名為WordDoc的文檔對象
WordApp.DisplayAlerts=Word.WdAlertLevel.wdAlertsNone;
Word.Document WordDoc=WordApp.Documents.Open(ref filename,ref Nothing,ref Nothing,ref Nothing,ref Nothing,ref Nothing,ref Nothing,ref Nothing,ref Nothing,ref Nothing,ref Nothing,ref Nothing,ref Nothing,ref Nothing,ref Nothing,ref Nothing);
WordDoc.SpellingChecked = false;
WordDoc.ShowSpellingErrors = false;
WordDoc.ActiveWindow.View.Type = Word.WdViewType.wdNormalView;
//遍歷stamp圖章類
foreach (stamp Stamp in Stamps)
{
bool isfirst = true;
int iii = 0;
int selectStart = 0;
ArrayList restoreRange = new ArrayList();
while (true)
{
iii++;
bool findstamptext = false;
if (Stamp.findWord != "")
{
WordApp.Selection.Range.Start = selectStart;
Word.Find fnd = WordApp.Selection.Find;
Object findText = Stamp.findWord;
Object matchCase = false;
Object matchWholeWord = Type.Missing;
Object matchWildcards = false;
Object matchSoundsLike = false;
Object matchAllWordForms = false;
Object forward = true;
Object wrap = Word.WdFindWrap.wdFindContinue;
Object format = false;
Object replaceWith = "";
Object replace = Type.Missing; ;
Object matchKashida = Type.Missing;
Object matchDiacritics = Type.Missing;
Object matchAlefHamza = Type.Missing;
Object matchControl = Type.Missing;
if (fnd.Execute(ref findText, ref matchCase, ref matchWholeWord, ref matchWildcards, ref matchSoundsLike, ref matchAllWordForms,
ref forward, ref wrap, ref format, ref replaceWith, ref replace, ref matchKashida, ref matchDiacritics, ref matchAlefHamza, ref matchControl))
{
selectStart = WordApp.Selection.Range.Start;
restoreRange.Add(WordApp.Selection.Range);
findstamptext = true;
}
else
{
findstamptext = false;
}
}
if (findstamptext == false)
{
break;
}
Word.InlineShape pic = WordApp.Selection.Range.InlineShapes.AddPicture(Stamp.stampImageFilename, false, true);
Word.Shape picshape = pic.ConvertToShape();
picshape.WrapFormat.Type = Word.WdWrapType.wdWrapNone;
if (Stamp.stampImageWidth != 0)
{
picshape.Width = Stamp.stampImageWidth;
}
if (Stamp.stampImageHeight != 0)
{
picshape.Height = Stamp.stampImageHeight;
}
float pagewidth = 0;
float pageheight = 0;
if (findstamptext == true)
{
if (Stamp.stampAngle > 0)
{
Random rnd = new Random();
picshape.Rotation = Stamp.randomStampAngle == false ? Stamp.stampAngle : rnd.Next(Stamp.stampAngle);
}
pagewidth = WordApp.Selection.PageSetup.PageWidth;
pageheight = WordApp.Selection.PageSetup.PageHeight;
int ox = 0; int oy = 0; int ow = 0; int oh = 0;
WordApp.Windows[1].GetPoint(out ox, out oy, out ow, out oh, WordApp.Selection.Range);
WordApp.Selection.Range.Text = "";
picshape.RelativeHorizontalPosition = Word.WdRelativeHorizontalPosition.wdRelativeHorizontalPositionPage;
picshape.RelativeVerticalPosition = Word.WdRelativeVerticalPosition.wdRelativeVerticalPositionPage;
picshape.Left = (float)(ox * 0.405402299) - (picshape.Width / 2);
picshape.Top = WordApp.Selection.Range.Information[Word.WdInformation.wdVerticalPositionRelativeToPage] - (picshape.Height / 2);
if ((bool)WordApp.Selection.Range.Information[Word.WdInformation.wdWithInTable] == true)
{
picshape.RelativeHorizontalPosition = Word.WdRelativeHorizontalPosition.wdRelativeHorizontalPositionCharacter;
picshape.RelativeVerticalPosition = Word.WdRelativeVerticalPosition.wdRelativeVerticalPositionLine;
picshape.Left = 0;
picshape.Top = 0;
}
}
picshape.Left = picshape.Left + Stamp.findWordOffsetX;
picshape.Top = picshape.Top + Stamp.findWordOffsetY;
if (Stamp.stampImageVisible == false)
{
picshape.Visible = Microsoft.Office.Core.MsoTriState.msoFalse;
}
if (Stamp.stampImageFilename2 != ""&&isfirst==true)
{
int ra = Stamp.roteAngle;
if (ra > 0)
{
Random rnd = new Random();
ra = Stamp.randomRoteAngle == false ? ra : rnd.Next(ra);
}
Bitmap cc = (Bitmap)Image.FromFile(Stamp.stampImageFilename2);
Bitmap bb = Rotate(cc, -ra, Stamp.roteReFix);
WordDoc.Windows[1].Panes[1].Pages;
int pages2 = WordDoc.ComputeStatistics(Word.WdStatistic.wdStatisticPages, ref Nothing);
if (pages2 == 1)
{
pages2 = 0; //如果一頁就不蓋騎縫章
}
for (int pi = 1; pi <= pages2; pi++)
{
Word.Range pagerange = WordDoc.GoTo(Word.WdGoToItem.wdGoToPage, Word.WdGoToDirection.wdGoToAbsolute, pi.ToString());
int rx = (pi - 1) * bb.Width / pages2;
int ry = 0;
int rw = bb.Width / pages2;
int rh = bb.Height;
if (Stamp.stamp2Direction == "bottom")
{
rx = 0;
ry = (pi - 1) * bb.Height / pages2;
rw = bb.Width;
rh = bb.Height / pages2;
}
else if (Stamp.stamp2Direction == "left")
{
rx = (pages2 - pi) * bb.Width / pages2;
ry = 0;
rw = bb.Width / pages2;
rh = bb.Height;
}
else if (Stamp.stamp2Direction == "top")
{
rx = 0;
ry = (pages2 - pi) * bb.Height / pages2;
rw = bb.Width;
rh = bb.Height / pages2;
}
if (rw < 1 || rh < 1)
{
continue;
}
Bitmap sepbitmap1 = bb.Clone(new System.Drawing.Rectangle(rx, ry, rw, rh), System.Drawing.Imaging.PixelFormat.Format32bppPArgb);
string temppng = "d:\\" + System.Guid.NewGuid().ToString() + ".png";
sepbitmap1.Save(temppng);
Word.InlineShape pic2 = pagerange.InlineShapes.AddPicture(temppng, false, true);
Word.Shape picshape2 = pic2.ConvertToShape();
picshape2.WrapFormat.Type = Word.WdWrapType.wdWrapNone;
picshape2.Width = picshape.Width / pages2;
picshape2.Height = picshape.Height;
if (Stamp.stamp2Direction == "bottom" || Stamp.stamp2Direction == "top")
{
picshape2.Width = picshape.Width;
picshape2.Height = picshape.Height / pages2;
}
picshape2.RelativeHorizontalPosition = Word.WdRelativeHorizontalPosition.wdRelativeHorizontalPositionPage;
picshape2.RelativeVerticalPosition = Word.WdRelativeVerticalPosition.wdRelativeVerticalPositionPage;
picshape2.Left = pagewidth - picshape2.Width;
picshape2.Top = Stamp.stamp2Y;
if (Stamp.stamp2Direction == "bottom")
{
picshape2.Left = Stamp.stamp2X;
picshape2.Top = pageheight - picshape2.Height;
}
else if (Stamp.stamp2Direction == "left")
{
picshape2.Left = 0;
picshape2.Top = Stamp.stamp2Y;
}
else if (Stamp.stamp2Direction == "top")
{
picshape2.Left = Stamp.stamp2X;
picshape2.Top = 0;
}
resultReport += string.Format("stamp2 {2} left: {0} top:{1} width:{3} height:{4}<br>", picshape2.Left, picshape2.Top,pi,picshape2.Width,picshape2.Height);
File.Delete(temppng);
}
}//stamp2
if (Stamp.stampImageFilename3 != ""&&isfirst==true)
{
int ra = Stamp.stamp3Angle;
if (ra > 0)
{
Random rnd = new Random();
ra = Stamp.randomRoteAngle == false ? ra : rnd.Next(ra);
}
Bitmap cc = (Bitmap)Image.FromFile(Stamp.stampImageFilename3);
Bitmap bb = Rotate(cc, -ra, true);
int pages2 = WordDoc.ComputeStatistics(Word.WdStatistic.wdStatisticPages, ref Nothing);
resultReport += string.Format(" PageCount3:{0}<br>", pages2);
for (int pi = 1; pi <= pages2; pi++)
{
Word.Range pagerange = WordDoc.GoTo(Word.WdGoToItem.wdGoToPage, Word.WdGoToDirection.wdGoToAbsolute, pi.ToString());
int rx = (pi - 1) * bb.Width / pages2;
rx = 0;
int ry = 0;
int rw = bb.Width;
int rh = bb.Height;
Bitmap sepbitmap1 = bb.Clone(new System.Drawing.Rectangle(rx, ry, rw, rh), System.Drawing.Imaging.PixelFormat.Format32bppPArgb);
string temppng = "d:\\" + System.Guid.NewGuid().ToString() + ".png";
Word.InlineShape pic2 = pagerange.InlineShapes.AddPicture(temppng, false, true);
Word.Shape picshape2 = pic2.ConvertToShape();
picshape2.WrapFormat.Type = Word.WdWrapType.wdWrapNone;
picshape2.Width = picshape.Width;
picshape2.Height = picshape.Height;
picshape2.RelativeHorizontalPosition = Word.WdRelativeHorizontalPosition.wdRelativeHorizontalPositionPage;
picshape2.RelativeVerticalPosition = Word.WdRelativeVerticalPosition.wdRelativeVerticalPositionPage;
picshape2.Left = Stamp.stamp3X;
// picshape2.Left = Stamp.stamp2X;
picshape2.Top = Stamp.stamp2Y;
File.Delete(temppng);
}
}//stamp3
isfirst = false;
}// while
foreach (Word.Range range in restoreRange)
{
range.Text = Stamp.findWord;
}
}//foreach
WordDoc.Save();
WordDoc.Close(ref Nothing, ref Nothing, ref Nothing);
//關(guān)閉WordApp組件對象
WordApp.Quit(ref Nothing, ref Nothing, ref Nothing);
return _lastfile;
}旋轉(zhuǎn)圖片方法
public Bitmap Rotate(Bitmap b, int angle,bool fix=false)
{
angle = angle % 360;
//弧度轉(zhuǎn)換
double radian = angle * Math.PI / 180.0;
double cos = Math.Cos(radian);
double sin = Math.Sin(radian);
//原圖的寬和高
int w = b.Width;
int h = b.Height;
int ow = w;
int oh = h;
int d = ((int)Math.Sqrt(Math.Pow(w - 0, 2) + Math.Pow(h- 0, 2))+1);
if (fix == true)
{
w = d;
h = d;
}
int W = (int)(Math.Max(Math.Abs(w * cos - h * sin), Math.Abs(w * cos + h * sin)));
int H = (int)(Math.Max(Math.Abs(w * sin - h * cos), Math.Abs(w * sin + h * cos)));
//目標(biāo)位圖
Bitmap dsImage = new Bitmap(w, h);
System.Drawing.Graphics g = System.Drawing.Graphics.FromImage(dsImage);
g.InterpolationMode = System.Drawing.Drawing2D.InterpolationMode.Bilinear;
g.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.HighQuality;
//計算偏移量
System.Drawing.Point Offset = new System.Drawing.Point((W - w) / 2, (H - h) / 2);
//構(gòu)造圖像顯示區(qū)域：讓圖像的中心與窗口的中心點一致
System.Drawing.Rectangle rect = new System.Drawing.Rectangle(fix==false?0:(d-ow)/2, fix == false ? 0 : (d-oh)/2, ow, oh);
// System.Drawing.Rectangle rect = new System.Drawing.Rectangle(Offset.X, Offset.Y, w, h);
// System.Drawing.Point center = new System.Drawing.Point(rect.X + rect.Width / 2, rect.Y + rect.Height / 2);
System.Drawing.Point center = new System.Drawing.Point(rect.X + rect.Width / 2, rect.Y + rect.Height / 2);
g.TranslateTransform(center.X, center.Y);
g.RotateTransform(360 - angle);
//恢復(fù)圖像在水平和垂直方向的平移
g.TranslateTransform(-center.X, -center.Y);
g.DrawImage(b, rect);
//重至繪圖的所有變換
g.ResetTransform();
g.Save();
g.Dispose();
//dsImage.Save("yuancd.jpg", System.Drawing.Imaging.ImageFormat.Jpeg);
return dsImage;
}總結(jié)
以上是實現(xiàn)設(shè)計的一些參考代碼，在實際的使用中，可能還會遇到如下問題：
1、定位關(guān)鍵字的疊加效果不好，因此針對每一個模板文件均需要調(diào)整圖片的x、y偏移量，以達(dá)到最佳效果
2、對于超多頁面的文件(如幾萬頁)，騎縫的效果可能不佳，可以采取調(diào)整圖片像素寬度，或拆分模板文件進行處理
到此這篇關(guān)于基于C#實現(xiàn)Word加蓋的騎縫章效果的文章就介紹到這了,更多相關(guān)C# Word騎縫章效果內(nèi)容請搜索腳本之家以前的文章或繼續(xù)瀏覽下面的相關(guān)文章希望大家以后多多支持腳本之家！
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