procedure TFrm_Dfgz.ChangetoText(TextForm:Tform;Query1:TQuery);
var
I: integer;
FName,OutString: string;
OutFile: TextFile;
note: Tbook;
begin
//创建对话框的容器
try
if v_yhzhhao='' then
begin
showmessage('请选择银行帐号!');
exit; end;
//Assign a filename to the variable
savedialog1.Filter := 'Text files (*.txt)|*.TXT';
if savedialog1.Execute then
FName := savedialog1.FileName+'.txt';
if FName <> '' then
begin
note := Query1.GetBook;
Query1.DisableControls; //Identify the filename and type as OutFile
AssignFile(OutFile,fname); //create and open a new file identify as OutFile
Rewrite(OutFile); OutString := ''; //Get text from the Query1
for I:=0 to Query1.FieldCount-1 do
begin
if query1.Fields[i].Visible = True then
begin
OutString:=OutString+'"'+DBGrid1.Columns[i].Title.Caption+'"';
if I < Query1.FieldCount-1 then
OutString := OutString + ','
else outstring := Outstring;
end;
end;
Writeln(OutFile,OutString);
OutString := ''; While not Query1.EOF do
begin
for I:=0 to Query1.FieldCount-1 do
begin
if query1.Fields[i].Visible = True then
begin
OutString:=OutString+'"'+Query1.Fields[i].AsString+'"';
if I < Query1.FieldCount-1 then
OutString := OutString + ','
else outstring := Outstring ;
end;
end;
//Write out the text in OutString to file
Writeln(OutFile,OutString);
Query1.Next;
OutString := '';
end; CloseFile(OutFile);
Query1.EnableControls;
Query1.GotoBook(note);
Query1.FreeBook(note);
savedialog1.Destroy; end;
except
CloseFile(OutFile);
Query1.EnableControls;
Savedialog1.free;
Showmessage('过程错误,请退出后重新运行!'); end;
end;
看这个例子,应该清楚了吧
var
I: integer;
FName,OutString: string;
OutFile: TextFile;
note: Tbook;
begin
//创建对话框的容器
try
if v_yhzhhao='' then
begin
showmessage('请选择银行帐号!');
exit; end;
//Assign a filename to the variable
savedialog1.Filter := 'Text files (*.txt)|*.TXT';
if savedialog1.Execute then
FName := savedialog1.FileName+'.txt';
if FName <> '' then
begin
note := Query1.GetBook;
Query1.DisableControls; //Identify the filename and type as OutFile
AssignFile(OutFile,fname); //create and open a new file identify as OutFile
Rewrite(OutFile); OutString := ''; //Get text from the Query1
for I:=0 to Query1.FieldCount-1 do
begin
if query1.Fields[i].Visible = True then
begin
OutString:=OutString+'"'+DBGrid1.Columns[i].Title.Caption+'"';
if I < Query1.FieldCount-1 then
OutString := OutString + ','
else outstring := Outstring;
end;
end;
Writeln(OutFile,OutString);
OutString := ''; While not Query1.EOF do
begin
for I:=0 to Query1.FieldCount-1 do
begin
if query1.Fields[i].Visible = True then
begin
OutString:=OutString+'"'+Query1.Fields[i].AsString+'"';
if I < Query1.FieldCount-1 then
OutString := OutString + ','
else outstring := Outstring ;
end;
end;
//Write out the text in OutString to file
Writeln(OutFile,OutString);
Query1.Next;
OutString := '';
end; CloseFile(OutFile);
Query1.EnableControls;
Query1.GotoBook(note);
Query1.FreeBook(note);
savedialog1.Destroy; end;
except
CloseFile(OutFile);
Query1.EnableControls;
Savedialog1.free;
Showmessage('过程错误,请退出后重新运行!'); end;
end;
看这个例子,应该清楚了吧
解决方案 »
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