//检查 输入数据合法化 只允许输入 A-Z,0-9 字符数据
procedure TPubFun.CheckInputData(var Key : Char);
begin if ( (Key >= Char(97)) and (Key <= Char(122)) ) then
begin
Key:=Char(Key - Char(32));//把a-z转化为A-Z
end; if ( (Key < Char(48)) and (Key > Char(57)) ) or
( (Key < Char(65)) and (Key > Char(90)) ) then
begin
Application.MessageBox('请输入A-Z,0-9!', '提示信息', MB_ICONERROR + MB_OK);
Key := Char(27);//
end;end;
procedure TPubFun.CheckInputData(var Key : Char);
begin if ( (Key >= Char(97)) and (Key <= Char(122)) ) then
begin
Key:=Char(Key - Char(32));//把a-z转化为A-Z
end; if ( (Key < Char(48)) and (Key > Char(57)) ) or
( (Key < Char(65)) and (Key > Char(90)) ) then
begin
Application.MessageBox('请输入A-Z,0-9!', '提示信息', MB_ICONERROR + MB_OK);
Key := Char(27);//
end;end;
procedure TPubFun.CheckInputData(var Key : Char);
begin if ( (Key >= Char(97)) and (Key <= Char(122)) ) then
begin
Key:=Char(Key - Char(32));//把a-z转化为A-Z 此处有错误!
end; if ( (Key < Char(48)) or (Key > Char(57)) ) or //0-9
( (Key < Char(65)) or (Key > Char(90)) ) then//A-Z
begin
Application.MessageBox('请输入A-Z,0-9!', '提示信息', MB_ICONERROR + MB_OK);
Key := Char(27);//
end;end;
begin
if ( (Ord(Key) >= 97) and (Ord(Key) <= 122) ) then
begin
Key:=Char(Ord(Key) - 32);//把a-z转化为A-Z
end; if ( not((Ord(Key) > 48) and (Ord(Key) < 57)) ) or
( not((Ord(Key) < 65) and (Ord(Key) > 90)) ) then
begin
Application.MessageBox('请输入A-Z,0-9!', '提示信息', MB_ICONERROR + MB_OK);
Key := Char(27);//
end;
end;
var WKey:Word;
begin
WKey := Word(Key);
if ( WKey >= 97) and (WKey <= 122) then
begin
WKey:=WKey - 32;//把a-z转化为A-Z 此处有错误!
end; if not (WKey in [48..57,65..90]) then
begin
Application.MessageBox('请输入A-Z,0-9!', '提示信息', MB_ICONERROR + MB_OK);
WKey := 27;//
end;
Key := char(WKey);
end;
procedure TfrmMain.CheckInputData(var Key: Char);
begin
if ( (Ord(Key) >= 97) and (Ord(Key) <= 122) ) then
begin
Key := Char(Ord(Key) - 32);//把a-z转化为A-Z
end; if ( not((Ord(Key) >= 48) and (Ord(Key) <= 57)) ) and
( not((Ord(Key) >= 65) and (Ord(Key) <= 90)) ) then
begin
Application.MessageBox('请输入A-Z,0-9!', '提示信息', MB_ICONERROR + MB_OK);
Key := Char(27);//
end;
end;