var
F: Text; //TextFile 和 Text 是一样的

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filename := ExtractFilePath(Application.ExeName) + '院感病历导入记录.txt';
if FileExists(filename) then
begin
AssignFile(F,FileName);
Append(F); //打开准备追加
Writeln(F, datetostr(curdate) + '成功导入！');
CloseFile(F);
end
else
begin
FileCreate(filename);
AssignFile(F,FileName);
Append(F); //打开准备追加
Writeln(F, datetostr(curdate) + '成功导入！');
CloseFile(F);
end;