Delphi+Word解决方案参考
使用前,先根据需要建立一个空的WORD文件作为模板,在模板文件中设置好各种格式和文本。另外,其中的PrnWordTable的参数是TDBGridEh类型的控件,取自Ehlib2.6
其中用到的shFileCopy函数(用于复制文件)和guiInfo函数(用于显示消息框)也是自己编写的,代码也附后。
示范代码如下:
代码完成的功能:
1. 替换打印模板中的“#TITLE#”文本为“示范代码1”
2. 并且将DBGridEh1控件当前显示的内容插入到文档的末尾
3. 在文档末尾插入一个空行
4. 在文档末尾插入新的一行文本
5. 将文档中的空行去掉
if PrnWordBegin(''C:\打印模板.DOC'',''C:\目标文件1.DOC'') then
begin
PrnWordReplace(''#TITLE#'',''示范代码1'');
PrnWordTable(DBGridEh1);
PrnWordInsert('''');
PrnWordInsert(''这是新的一行文本'');
PrnWordReplace(''^p^p'',''^p'',true);
PrnWordSave;
end;
源代码如下:
//Word打印(声明部分)
wDoc,wApp:Variant;
function PrnWordBegin(tempDoc,docName:String):boolean;
function PrnWordReplace(docText,newText:String;bSimpleReplace:boolean=false):boolean;
function PrnWordInsert(lineText:String;bNewLine:boolean=true):boolean;overload;
function PrnWordInsert(var imgInsert:TImage;sBookMark:String=''''):boolean;overload;
function PrnWordInsert(var chartInsert:TChart;sBookMark:String=''''):boolean;overload;
function PrnWordTable(var dbG:TDBGridEh;sBookMark:String=''''):boolean;
procedure PrnWordSave;
procedure PrnWordEnd;
//Word打印(实现部分)
{
功能:基于模板文件tempDoc新建目标文件docName并打开文件
}
function PrnWordBegin(tempDoc,docName:String):boolean;
begin
result:=false;
//复制模版
if tempDoc<>'''' then
if not shFileCopy(tempDoc,docName) then exit;
//连接Word
try
wApp:=CreateOleObject(''Word.Application'');
except
guiInfo(''请先安装 Microsoft Word 。'');
exit;
end;
try
//打开
if tempDoc='''' then
begin
//创建新文档
wDoc:=wApp.document.Add;
wDoc.SaveAs(docName);
end else begin
//打开模版
wDoc:=wApp.document..Open(docName);
end;
except
guiInfo(''打开模版失败,请检查模版是否正确。'');
wApp.Quit;
exit;
end;
wApp.Visible:=true;
result:=true;
end;
{
功能:使用newText替换docText内容
bSimpleReplace:true时仅做简单的替换,false时对新文本进行换行处理
}
function PrnWordReplace(docText,newText:String;bSimpleReplace:boolean=false):boolean;
var i:Integer;
begin
if bSimpleReplace then
begin
//简单处理,直接执行替换操作
try
wApp.Selection.Find.ClearFormatting;
wApp.Selection.Find.Replacement.ClearFormatting;
wApp.Selection.Find.Text := docText;
wApp.Selection.Find.Replacement.Text :=newText;
wApp.Selection.Find.Forward := True;
wApp.Selection.Find.Wrap := wdFindContinue;
wApp.Selection.Find.Format := False;
wApp.Selection.Find.MatchCase := False;
wApp.Selection.Find.MatchWholeWord := true;
wApp.Selection.Find.MatchByte := True;
wApp.Selection.Find.MatchWildcards := False;
wApp.Selection.Find.MatchSoundsLike := False;
wApp.Selection.Find.MatchAllWordForms := False;
wApp.Selection.Find.Execute(Replace:=wdReplaceAll);
result:=true;
except
result:=false;
end;
exit;
end;
//自动分行
reWord.Lines.Clear;
reWord.Lines.Add(newText);
try
//定位到要替换的位置的后面
wApp.Selection.Find.ClearFormatting;
wApp.Selection.Find.Text := docText;
wApp.Selection.Find.Replacement.Text := '''';
wApp.Selection.Find.Forward := True;
wApp.Selection.Find.Wrap := wdFindContinue;
wApp.Selection.Find.Format := False;
wApp.Selection.Find.MatchCase := False;
wApp.Selection.Find.MatchWholeWord := False;
wApp.Selection.Find.MatchByte := True;
wApp.Selection.Find.MatchWildcards := False;
wApp.Selection.Find.MatchSoundsLike := False;
wApp.Selection.Find.MatchAllWordForms := False;
wApp.Selection.Find.Execute;
wApp.Selection.MoveRight(wdCharacter,1);
//开始逐行插入
for i:=0 to reWord.Lines.Count-1 Do
begin
//插入当前行
wApp.Selection.InsertAfter(reWord.Lines[i]);
//除最后一行外,自动加入新行
if i<reWord.Lines.Count-1 then
wApp.Selection.InsertAfter(#13);
end;
//删除替换位标
wApp.Selection.Find.ClearFormatting;
wApp.Selection.Find.Replacement.ClearFormatting;
wApp.Selection.Find.Text := docText;
wApp.Selection.Find.Replacement.Text := '''';
wApp.Selection.Find.Forward := True;
wApp.Selection.Find.Wrap := wdFindContinue;
wApp.Selection.Find.Format := False;
wApp.Selection.Find.MatchCase := False;
wApp.Selection.Find.MatchWholeWord := true;
wApp.Selection.Find.MatchByte := True;
wApp.Selection.Find.MatchWildcards := False;
wApp.Selection.Find.MatchSoundsLike := False;
wApp.Selection.Find.MatchAllWordForms := False;
wApp.Selection.Find.Execute(Replace:=wdReplaceAll);
result:=true;
except
result:=false;
end;
end;
{
功能:打印TDBGridEh当前显示的内容
基于TDBGridEh控件的格式和内容,自动在文档中的sBookMark书签处生成Word表格
目前能够支持单元格对齐、多行标题(两行)、底部合计等特性
sBookMark:Word中要插入表格的书签名称
}
function PrnWordTable(var dbG:TDBGridEh;sBookMark:String=''''):boolean;
var iCol,iLine,i,j,k:Integer;
wTable,wRange:Variant;
iRangeEnd:longint;
iGridLine,iTitleLine:Integer;
getTextText:String;getTextDisplay:boolean;
titleList:TStringList;titleSplit,titleCol:Integer;lastTitleSplit,SubTitle:Integer;lastTitle:String;
begin
result:=false;
try
//计算表格的列数(不包括隐藏的列)
iTitleLine:=1; //始终默认为1
iCol:=0;
for i:=0 to dbG.Columns.Count-1 Do
begin
if dbG.Columns[i].Visible then
begin
iCol:=iCol+1;
end;
end;
//计算表格的行数(不包括隐藏的列)
if dbG.DataSource.DataSet.Active then
iLine:=dbG.DataSource.DataSet.RecordCount
else
iLine:=0;
iGridLine:=iLine+iTitleLine+dbG.FooterRowCount;
//定位插入点
if sBookMark='''' then
begin
//在文档末尾
iRangeEnd:=wDoc.Range.End-1;
if iRangeEnd<0 then iRangeEnd:=0;
wRange:=wDoc.Range(iRangeEnd,iRangeEnd);
end else begin
//在书签处
wRange:=wDoc.Range.Goto(wdGoToBookmark,,,sBookMark);
end;
wTable:=wDoc.Tables.Add(wRange,iGridLine,iCol);
wTable.Columns.AutoFit;
//标题行
k:=1;
for j:=1 to dbG.Columns.Count Do
begin
if dbG.Columns[j-1].Visible then
begin
if dbG.UseMultiTitle then
begin
titleList:=strSplit(dbG.Columns[j-1].Title.Caption,'''');
wTable.Cell(1,k).Range.InsertAfter(titleList.Strings[0]);
end else
wTable.Cell(1,k).Range.InsertAfter(dbG.Columns[j-1].Title.Caption);
//设置单元格对齐方式
if dbG.Columns[j-1].Title.Alignment=taCenter then
wTable.Cell(1,k).Range.ParagraphFormat.Alignment:=wdAlignParagraphCenter
else if dbG.Columns[j-1].Title.Alignment=taRightJustify then
wTable.Cell(1,k).Range.ParagraphFormat.Alignment:=wdAlignParagraphRight
else if dbG.Columns[j-1].Title.Alignment=taLeftJustify then
wTable.Cell(1,k).Range.ParagraphFormat.Alignment:=wdAlignParagraphJustify;
k:=k+1;
end;
end;
//填写每一行
if iLine>0 then
begin
dbG.DataSource.dataset.DisableControls;
dbG.DataSource.DataSet.First;
for i:=1 to iLine Do
begin
k:=1;
for j:=1 to dbG.Columns.Count Do
begin
if dbG.Columns[j-1].Visible then
begin
if dbG.Columns[j-1].FieldName<>'''' then //避免由于空列而出错
begin
//如果该列有自己的格式化显示函数,则调用显示函数获取显示串
getTextText:='''';
if Assigned(dbG.DataSource.DataSet.FieldByName(dbG.Columns[j-1].FieldName).OnGetText) then
begin
dbG.DataSource.DataSet.FieldByName(dbG.Columns[j-1].FieldName).OnGetText(dbG.DataSource.DataSet.FieldByName(dbG.Columns[j-1].FieldName),getTextText,getTextDisplay);
wTable.Cell(i+iTitleLine,k).Range.InsertAfter(getTextText);
end else begin
//使用数据库内容显示
wTable.Cell(i+iTitleLine,k).Range.InsertAfter(dbG.DataSource.DataSet.FieldByName(dbG.Columns[j-1].FieldName).AsString);
end;
end;
//设置单元格对齐方式
if dbG.Columns[j-1].Alignment=taCenter then
wTable.Cell(i+iTitleLine,k).Range.ParagraphFormat.Alignment:=wdAlignParagraphCenter
else if dbG.Columns[j-1].Alignment=taRightJustify then
wTable.Cell(i+iTitleLine,k).Range.ParagraphFormat.Alignment:=wdAlignParagraphRight
else if dbG.Columns[j-1].Alignment=taLeftJustify then
wTable.Cell(i+iTitleLine,k).Range.ParagraphFormat.Alignment:=wdAlignParagraphJustify;
k:=k+1;
end;
end;
dbG.DataSource.DataSet.Next;
end;
end;
//结尾行
for i:=1 to dbG.FooterRowCount Do
begin
k:=1;
for j:=1 to dbG.Columns.Count Do
begin
if dbG.Columns[j-1].Visible then
begin
wTable.Cell(iLine+1+i,k).Range.InsertAfter(dbG.GetFootervalue(i-1,dbG.Columns[j-1]));
//设置单元格对齐方式
if dbG.Columns[j-1].Footer.Alignment=taCenter then
wTable.Cell(iLine+1+i,k).Range.ParagraphFormat.Alignment:=wdAlignParagraphCenter
else if dbG.Columns[j-1].Footer.Alignment=taRightJustify then
wTable.Cell(iLine+1+i,k).Range.ParagraphFormat.Alignment:=wdAlignParagraphRight
else if dbG.Columns[j-1].Footer.Alignment=taLeftJustify then
wTable.Cell(iLine+1+i,k).Range.ParagraphFormat.Alignment:=wdAlignParagraphJustify;
k:=k+1;
end;
end;
end;
//处理多行标题
if dbG.UseMultiTitle then
begin
//先分割单元格,再逐个填入第二行
k:=1;
titleCol:=1;
lastTitleSplit:=1;
SubTitle:=0;
lastTitle:='''';
for j:=1 to dbG.Columns.Count Do
begin
if dbG.Columns[j-1].Visible then
begin
titleList:=strSplit(dbG.Columns[j-1].Title.Caption,'''');
if titleList.Count>1 then
begin
//处理第二行以上的内容
wTable.Cell(1,k-SubTitle).Range.Cells.Split(titleList.Count,1,false);
for titleSplit:=1 to titleList.Count-1 Do
begin
wTable.Cell(titleSplit+1,titleCol).Range.InsertAfter(titleList.Strings[titleSplit]);
end;
titleCol:=titleCol+1;
//处理第一行合并
if (lastTitleSplit=titleList.Count) and (lastTitle=titleList.Strings[0]) then
begin
//内容相同时,合并单元格
wTable.Cell(1,k-SubTitle).Range.Copy;
wRange:=wDoc.Range(wTable.Cell(1,k-SubTitle-1).Range.Start,wTable.Cell(1,k-SubTitle).Range.End);
wRange.Cells.Merge;
wRange.Paste;
SubTitle:=SubTitle+1;
end;
end;
lastTitle:=titleList.Strings[0];
lastTitleSplit:=titleList.Count;
titleList.Clear;titleList.Free;
k:=k+1;
end;
end;
end;
//自动调整表格
wTable.AutoFitBehavior(1);//根据内容自动调整表格wdAutoFitContent
wTable.AutoFitBehavior(2);//根据窗口自动调整表格wdAutoFitWindow
result:=true;
except
result:=false;
end;
try
dbG.DataSource.dataset.EnableControls;
except
end;
end;
{
功能:在Word文件中插入文本(能够自动进行换行处理)
lineText:要插入的文本
bNewLine:true时新起一行,false时在当前行插入
}
function PrnWordInsert(lineText:String;bNewLine:boolean=true):boolean;
var i:Integer;
begin
try
if bNewLine then
wDoc.Range.InsertAfter(#13);
//自动分行
reWord.Lines.Clear;
reWord.Lines.Add(lineText);
//开始逐行插入
for i:=0 to reWord.Lines.Count-1 Do
begin
//插入当前行
wDoc.Range.InsertAfter(reWord.Lines[i]);
//除最后一行外,自动加入新行
if i<reWord.Lines.Count-1 then
wDoc.Range.InsertAfter(#13);
end;
result:=true;
except
result:=false;
end;
end;
{
功能:在Word文件的sBookMark书签处插入TImage控件包含的图片
}
function PrnWordInsert(var imgInsert:TImage;sBookMark:String=''''):boolean;
var wRange:Variant;iRangeEnd:Integer;
begin
try
if sBookMark='''' then
begin
//在文档末尾
iRangeEnd:=wDoc.Range.End-1;
if iRangeEnd<0 then iRangeEnd:=0;
wRange:=wDoc.Range(iRangeEnd,iRangeEnd);
end else begin
//在书签处
wRange:=wDoc.Range.Goto(wdGoToBookmark,,,sBookMark);
end;
if imgInsert.Picture.Graphic<>nil then
begin
Clipboard.Assign(imgInsert.Picture);
wRange.Paste;
end else begin
wRange.InsertAfter(''照片'');
end;
result:=true;
except
result:=false;
end;
end;
{
功能:在书签sBookMark处插入TChart控件包含的图表
}
function PrnWordInsert(var chartInsert:TChart;sBookMark:String=''''):boolean;
var wRange:Variant;iRangeEnd:Integer;
begin
try
if sBookMark='''' then
begin
//在文档末尾
iRangeEnd:=wDoc.Range.End-1;
if iRangeEnd<0 then iRangeEnd:=0;
wRange:=wDoc.Range(iRangeEnd,iRangeEnd);
end else begin
//在书签处
wRange:=wDoc.Range.Goto(wdGoToBookmark,,,sBookMark);
end;
chartInsert.CopyToClipboardBitmap;
wRange.Paste;
result:=true;
except
result:=false;
end;
end;
{
功能:保存Word文件
}
procedure PrnWordSave;
begin
try
wDoc.Save;
except
end;
end;
{
功能:关闭Word文件
}
procedure PrnWordEnd;
begin
try
wDoc.Save;
wDoc.Close;
wApp.Quit;
except
end;
end;
附:shFileCopy源代码
{
功能:安全的复制文件
srcFile,destFile:源文件和目标文件
bDelDest:如果目标文件已经存在,是否覆盖
返回值:true成功,false失败
}
function shFileCopy(srcFile,destfile&:String;bDelDest:boolean=true):boolean;
begin
result:=false;
if not FileExists(srcFile) then
begin
guiInfo (''源文件不存在,不能复制。''+#10#13+srcFile);
exit;
end;
if srcFile=destFile then
begin
guiInfo (''源文件和目标文件相同,不能复制。'');
exit;
end;
if FileExists(destFile) then
begin
if not bDelDest then
begin
guiInfo (''目标文件已经存在,不能复制。''+#10#13+destFile);
exit;
end;
FileSetAttr(destFile,FileGetAttr(destFile) and not $00000001);
if not DeleteFile(PChar(destFile)) then
begin
guiInfo (''目标文件已经存在,并且不能被删除,复制失败。''+#10#13+destFile);
exit;
end;
end;
if not CopyFileTo(srcFile,destFile) then
begin
guiInfo (''发生未知的错误,复制文件失败。'');
exit;
end;
//目标文件去掉只读属性
FileSetAttr(destFile,FileGetAttr(destFile) and not $00000001);
result:=true;
end;
附:guiInfo源代码
{
功能:封装了各种性质的提示框
sMsg:要提示的消息
}
procedure guiInfo(sMsg:String);
begin
MessageDlg(sMsg,mtInformation,[mbOK],0);
end;