基本信息
源码名称:delphi生成验证码
源码大小:2.23M
文件格式:.rar
开发语言:Pascal
更新时间:2019-09-02
友情提示:(无需注册或充值,赞助后即可获取资源下载链接)
嘿,亲!知识可是无价之宝呢,但咱这精心整理的资料也耗费了不少心血呀。小小地破费一下,绝对物超所值哦!如有下载和支付问题,请联系我们QQ(微信同号):813200300
本次赞助数额为: 2 元×
微信扫码支付:2 元
×
请留下您的邮箱,我们将在2小时内将文件发到您的邮箱
源码介绍
生成验证码。
function GetVerificationCode(ACanvas: TCanvas): string;
var
i, LIndex, LLeft: Integer;
LPoint: TPoint;
begin
Result := '';
for i := 1 to 4 do
begin
Randomize;
LIndex := Random(36);
Result := Result Trim(C_Arr_Chars[LIndex])
end;
LLeft := 10;
for i := 1 to Length(Result) do
begin
ACanvas.Font.Size := Random(10) 9;
ACanvas.Font.Color := RGB(Random(256) and $C0, Random(256) and $C0, Random(256) and $C0);
if Random(2) = 1 then
ACanvas.Font.Style := [fsBold]
else
ACanvas.Font.Style := [fsItalic];
begin
ACanvas.Font.Name := Screen.Fonts[10];
LPoint.X := Random(4) LLeft;
LPoint.Y := Random(5);
ACanvas.Brush.Style := bsClear;
ACanvas.TextOut(LPoint.X, LPoint.Y, Result[i]);
LLeft := LPoint.X ACanvas.TextWidth(Result[i]);
end;
end;
end;
生成验证码。
function GetVerificationCode(ACanvas: TCanvas): string;
var
i, LIndex, LLeft: Integer;
LPoint: TPoint;
begin
Result := '';
for i := 1 to 4 do
begin
Randomize;
LIndex := Random(36);
Result := Result Trim(C_Arr_Chars[LIndex])
end;
LLeft := 10;
for i := 1 to Length(Result) do
begin
ACanvas.Font.Size := Random(10) 9;
ACanvas.Font.Color := RGB(Random(256) and $C0, Random(256) and $C0, Random(256) and $C0);
if Random(2) = 1 then
ACanvas.Font.Style := [fsBold]
else
ACanvas.Font.Style := [fsItalic];
begin
ACanvas.Font.Name := Screen.Fonts[10];
LPoint.X := Random(4) LLeft;
LPoint.Y := Random(5);
ACanvas.Brush.Style := bsClear;
ACanvas.TextOut(LPoint.X, LPoint.Y, Result[i]);
LLeft := LPoint.X ACanvas.TextWidth(Result[i]);
end;
end;
end;