procedure TForm1.Edit1KeyPress(Sender: TObject; var Key: Char);
begin
if ord(Key)=8 then begin
exit;
end;
//以下同时设置了文本框的长度不能超过8
if (Edit1.SelLength = 8)
and ((ord(Key)>=48) and (ord(Key)<=57) or (ord(Key)=8) or (ord(Key)=36) or (ord(Key)=35) or (ord(Key)=38) or (ord(Key)=40) or (ord(Key)=37) or (ord(Key)=39)) then
begin
exit;
end;
procedure TForm1.Edit1KeyPress(Sender: TObject; var Key: Char);
begin
if ord(Key)=8 then begin
exit;
end;
if (editCustId.SelLength = 8)
and ((ord(Key)>=48) and (ord(Key)<=57) or (ord(Key)=8) or (ord(Key)=36) or (ord(Key)=35) or (ord(Key)=38) or (ord(Key)=40) or (ord(Key)=37) or (ord(Key)=39)) then
begin
exit;
end;