我也来发个验证码类，支持随机字体，样子还可以哦~
时间：2007-11-27
来源：互联网
原本这是我自己写的用在我网站上的一段程序，
不是CLASS也不是FUNCTION，到这里看看大家都是CLASS，
就改成了CLASS发上来了。以前没写过类。
这是我写的第一个类，写得不好还望大家指出！
还有就是想问下，我感觉在PHP中CLASS是没什么用处的，还不如function好用，效率也没function高，是不是这样的？
会根据你指定的图片大小改变文字大小，不过还不是很完善。
验证码示例：
调用示例：
不是CLASS也不是FUNCTION，到这里看看大家都是CLASS，
就改成了CLASS发上来了。以前没写过类。
这是我写的第一个类，写得不好还望大家指出！
还有就是想问下，我感觉在PHP中CLASS是没什么用处的，还不如function好用，效率也没function高，是不是这样的？
会根据你指定的图片大小改变文字大小，不过还不是很完善。
验证码示例：
1.gif (977 Bytes)调用示例：
复制PHP内容到剪贴板
字体文件见附件！PHP代码:
<img src="verify_image.php" alt="点此刷新验证码" name="verify_code" width="65" height="20" border="0" id="verify_code" ｏｎｃｌｉｃｋ="ｄｏｃｕｍｅｎｔ.ｇｅｔＥｌｅｍｅｎｔＢｙＩｄ('verify_code').src='verify_image.php?'+Ｍａｔｈ.ｒａｎｄｏｍ();" style="cursor:pointer;" />
复制PHP内容到剪贴板
<?php
session_start();
$vi = new vCodeImage;
$vi->SetImage(1,4,65,20,80,1);
class vCodeImage{
/*******************************************************
**FILENAME: verify_image.php
**COPYRIGHT: NONE! (但请保留此信息)
**AUTHOR: vsFree.Com
**DATE: 2007-08-08
********************************************************/
var $mode; //1：数字模式，2：字母模式，3：数字字母模式，其他：数字字母优化模式
var $v_num; //验证码个数
var $img_w; //验证码图像宽度
var $img_h; //验证码图像高度
var $int_pixel_num; //干扰像素个数
var $int_line_num; //干扰线条数
var $font_dir; //字体文件相对路径
var $border; //图像边框
var $borderColor; //图像边框颜色
function SetImage($made,$v_num,$img_w,$img_h,$int_pixel_num,$int_line_num,$font_dir='../font',$border=true,$borderColor='255,200,85'){
if(!isset($_SESSION['vCode'])){
session_register('vCode');
}
$_SESSION['vCode']="";
$this->mode = $made;
$this->v_num = $v_num;
$this->img_w = $img_w;
$this->img_h = $img_h;
$this->int_pixel_num = $int_pixel_num;
$this->int_line_num = $int_line_num;
$this->font_dir = $font_dir;
$this->border = $border;
$this->borderColor = $borderColor;
$this->GenerateImage();
}
function GetChar($mode){
if($mode == "1"){
$ychar = "0,1,2,3,4,5,6,7,8,9";
}
else if($mode == "2"){
$ychar = "A,B,C,D,E,F,G,H,I,J,K,L,M,N,O,P,Q,R,S,T,U,V,W,X,Y,Z";
}
else if($mode == "3"){
$ychar = "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F,G,H,I,J,K,L,M,N,O,P,Q,R,S,T,U,V,W,X,Y,Z";
}
else
$ychar = "3,4,5,6,7,8,9,A,B,C,D,H,K,P,R,S,T,W,X,Y";
return $ychar;
}
function RandColor($rs,$re,$gs,$ge,$bs,$be){
$r = mt_rand($rs,$re);
$g = mt_rand($gs,$ge);
$b = mt_rand($bs,$be);
return array($r,$g,$b);
}
function GenerateImage(){
$im = imagecreate($this->img_w,$this->img_h);
$black = imagecolorallocate($im, 0,0,0);
$white = imagecolorallocate($im, 255,255,255);
$bgcolor = imagecolorallocate($im, 250,250,250);
imagefill($im,0,0,$bgcolor);
$fonts = ScanDir($this->font_dir);
$fmax = count($fonts) - 2;
$ychar = $this->GetChar($this->mode);
$list = explode(",",$ychar);
$x = mt_rand(2,$this->img_w/($this->v_num+2));
$cmax = count($list) - 1;
$v_code = '';
for($i=0;$i<$this->v_num;$i++) //验证码
{
$randnum = mt_rand(0,$cmax);
$this_char = $list[$randnum];
$v_code .= $this_char;
$size = mt_rand(intval($this->img_w/5),intval($this->img_w/4));
$angle = mt_rand(-20,20);
$y = mt_rand(($size+2),($this->img_h-2));
if($this->border)
$y = mt_rand(($size+3),($this->img_h-3));
$rand_color = $this->RandColor(0,200,0,100,0,250);
$randcolor = imagecolorallocate($im,$rand_color[0],$rand_color[1],$rand_color[2]);
$fontrand = mt_rand(2, $fmax);
$font = "$this->font_dir/".$fonts[$fontrand];
imagettftext($im, $size, $angle, $x, $y, $randcolor, $font, $this_char);
$x = $x + intval($this->img_w/($this->v_num+1));
}
for($i=0;$i<$this->int_pixel_num;$i++){//干扰像素
$rand_color = $this->RandColor(50,250,0,250,50,250);
$rand_color_pixel = imagecolorallocate($im,$rand_color[0],$rand_color[1],$rand_color[2]);
imagesetpixel($im, mt_rand()%$this->img_w, mt_rand()%$this->img_h, $rand_color_pixel);
}
for($i=0;$i<$this->int_line_num;$i++){ //干扰线
$rand_color = $this->RandColor(0,250,0,250,0,250);
$rand_color_line = imagecolorallocate($im,$rand_color[0],$rand_color[1],$rand_color[2]);
imageline($im, mt_rand(0,intval($this->img_w/3)), mt_rand(0,$this->img_h), mt_rand(intval($this->img_w - ($this->img_w/3)),$this->img_w), mt_rand(0,$this->img_h), $rand_color_line);
}
if($this->border) //画出边框
{
if(preg_match("/^\d{1,3},\d{1,3},\d{1,3}$/",$this->borderColor)){
$borderColor = explode(',',$this->borderColor);
}
$border_color_line = imagecolorallocate($im,$borderColor[0],$borderColor[1],$borderColor[2]);
imageline($im, 0, 0, $this->img_w, 0, $border_color_line); //上横
imageline($im, 0, 0, 0, $this->img_h, $border_color_line); //左竖
imageline($im, 0, $this->img_h-1, $this->img_w, $this->img_h-1, $border_color_line); //下横
imageline($im, $this->img_w-1, 0, $this->img_w-1, $this->img_h, $border_color_line); //右竖
}
imageantialias($im,true); //抗锯齿
$time = time();
$_SESSION['vCode'] = $v_code."|".$time; //把验证码和生成时间负值给$_SESSION[vCode]
//生成图像给浏览器
if (function_exists("imagegif")) {
header ("Content-type: image/gif");
imagegif($im);
}
elseif (function_exists("imagepng")) {
header ("Content-type: image/png");
imagepng($im);
}
elseif (function_exists("imagejpeg")) {
header ("Content-type: image/jpeg");
imagejpeg($im, "", 80);
}
elseif (function_exists("imagewbmp")) {
header ("Content-type: image/vnd.wap.wbmp");
imagewbmp($im);
}
else
die("No Image Support On This Server !");
imagedestroy($im);
}
}
?>
[ 本帖最后由 vsfree 于 2007-11-27 12:19 编辑 ] PHP代码:
<?php
session_start();
$vi = new vCodeImage;
$vi->SetImage(1,4,65,20,80,1);
class vCodeImage{
/*******************************************************
**FILENAME: verify_image.php
**COPYRIGHT: NONE! (但请保留此信息)
**AUTHOR: vsFree.Com
**DATE: 2007-08-08
********************************************************/
var $mode; //1：数字模式，2：字母模式，3：数字字母模式，其他：数字字母优化模式
var $v_num; //验证码个数
var $img_w; //验证码图像宽度
var $img_h; //验证码图像高度
var $int_pixel_num; //干扰像素个数
var $int_line_num; //干扰线条数
var $font_dir; //字体文件相对路径
var $border; //图像边框
var $borderColor; //图像边框颜色
function SetImage($made,$v_num,$img_w,$img_h,$int_pixel_num,$int_line_num,$font_dir='../font',$border=true,$borderColor='255,200,85'){
if(!isset($_SESSION['vCode'])){
session_register('vCode');
}
$_SESSION['vCode']="";
$this->mode = $made;
$this->v_num = $v_num;
$this->img_w = $img_w;
$this->img_h = $img_h;
$this->int_pixel_num = $int_pixel_num;
$this->int_line_num = $int_line_num;
$this->font_dir = $font_dir;
$this->border = $border;
$this->borderColor = $borderColor;
$this->GenerateImage();
}
function GetChar($mode){
if($mode == "1"){
$ychar = "0,1,2,3,4,5,6,7,8,9";
}
else if($mode == "2"){
$ychar = "A,B,C,D,E,F,G,H,I,J,K,L,M,N,O,P,Q,R,S,T,U,V,W,X,Y,Z";
}
else if($mode == "3"){
$ychar = "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F,G,H,I,J,K,L,M,N,O,P,Q,R,S,T,U,V,W,X,Y,Z";
}
else
$ychar = "3,4,5,6,7,8,9,A,B,C,D,H,K,P,R,S,T,W,X,Y";
return $ychar;
}
function RandColor($rs,$re,$gs,$ge,$bs,$be){
$r = mt_rand($rs,$re);
$g = mt_rand($gs,$ge);
$b = mt_rand($bs,$be);
return array($r,$g,$b);
}
function GenerateImage(){
$im = imagecreate($this->img_w,$this->img_h);
$black = imagecolorallocate($im, 0,0,0);
$white = imagecolorallocate($im, 255,255,255);
$bgcolor = imagecolorallocate($im, 250,250,250);
imagefill($im,0,0,$bgcolor);
$fonts = ScanDir($this->font_dir);
$fmax = count($fonts) - 2;
$ychar = $this->GetChar($this->mode);
$list = explode(",",$ychar);
$x = mt_rand(2,$this->img_w/($this->v_num+2));
$cmax = count($list) - 1;
$v_code = '';
for($i=0;$i<$this->v_num;$i++) //验证码
{
$randnum = mt_rand(0,$cmax);
$this_char = $list[$randnum];
$v_code .= $this_char;
$size = mt_rand(intval($this->img_w/5),intval($this->img_w/4));
$angle = mt_rand(-20,20);
$y = mt_rand(($size+2),($this->img_h-2));
if($this->border)
$y = mt_rand(($size+3),($this->img_h-3));
$rand_color = $this->RandColor(0,200,0,100,0,250);
$randcolor = imagecolorallocate($im,$rand_color[0],$rand_color[1],$rand_color[2]);
$fontrand = mt_rand(2, $fmax);
$font = "$this->font_dir/".$fonts[$fontrand];
imagettftext($im, $size, $angle, $x, $y, $randcolor, $font, $this_char);
$x = $x + intval($this->img_w/($this->v_num+1));
}
for($i=0;$i<$this->int_pixel_num;$i++){//干扰像素
$rand_color = $this->RandColor(50,250,0,250,50,250);
$rand_color_pixel = imagecolorallocate($im,$rand_color[0],$rand_color[1],$rand_color[2]);
imagesetpixel($im, mt_rand()%$this->img_w, mt_rand()%$this->img_h, $rand_color_pixel);
}
for($i=0;$i<$this->int_line_num;$i++){ //干扰线
$rand_color = $this->RandColor(0,250,0,250,0,250);
$rand_color_line = imagecolorallocate($im,$rand_color[0],$rand_color[1],$rand_color[2]);
imageline($im, mt_rand(0,intval($this->img_w/3)), mt_rand(0,$this->img_h), mt_rand(intval($this->img_w - ($this->img_w/3)),$this->img_w), mt_rand(0,$this->img_h), $rand_color_line);
}
if($this->border) //画出边框
{
if(preg_match("/^\d{1,3},\d{1,3},\d{1,3}$/",$this->borderColor)){
$borderColor = explode(',',$this->borderColor);
}
$border_color_line = imagecolorallocate($im,$borderColor[0],$borderColor[1],$borderColor[2]);
imageline($im, 0, 0, $this->img_w, 0, $border_color_line); //上横
imageline($im, 0, 0, 0, $this->img_h, $border_color_line); //左竖
imageline($im, 0, $this->img_h-1, $this->img_w, $this->img_h-1, $border_color_line); //下横
imageline($im, $this->img_w-1, 0, $this->img_w-1, $this->img_h, $border_color_line); //右竖
}
imageantialias($im,true); //抗锯齿
$time = time();
$_SESSION['vCode'] = $v_code."|".$time; //把验证码和生成时间负值给$_SESSION[vCode]
//生成图像给浏览器
if (function_exists("imagegif")) {
header ("Content-type: image/gif");
imagegif($im);
}
elseif (function_exists("imagepng")) {
header ("Content-type: image/png");
imagepng($im);
}
elseif (function_exists("imagejpeg")) {
header ("Content-type: image/jpeg");
imagejpeg($im, "", 80);
}
elseif (function_exists("imagewbmp")) {
header ("Content-type: image/vnd.wap.wbmp");
imagewbmp($im);
}
else
die("No Image Support On This Server !");
imagedestroy($im);
}
}
?>
作者: vsfree 发布时间: 2007-11-27
确实不错
作者: PHPChina 发布时间: 2007-11-27
高手啊。。
作者: dzjzmj 发布时间: 2007-11-29
鼓励原创精品！
作者: yuen 发布时间: 2007-11-29
谢谢楼上几位
作者: luzhou 发布时间: 2007-12-01
5555555555555555555
作者: vsfree 发布时间: 2007-12-15
谢谢，很好的component
收藏起来
收藏起来
作者: leidong8 发布时间: 2007-12-25
谢谢楼主，现学现用了
作者: phpzg 发布时间: 2007-12-29
强烈支持！
作者: 凌云战神 发布时间: 2007-12-29
留名先
作者: fyland 发布时间: 2008-01-09
很好
作者: 痞子PHP 发布时间: 2008-01-09
楼主,我调了半天,也没有调出图像来呀???
作者: adleyliu 发布时间: 2008-01-09
狂晕!!!!!!!!!!!
找到毛病了!!!!
<?php
这一行之前,不能有空行!有了,就不能显示出图片来....!!!!!搞了半天,原来是这里的事.
找到毛病了!!!!
<?php
这一行之前,不能有空行!有了,就不能显示出图片来....!!!!!搞了半天,原来是这里的事.
作者: 痞子PHP 发布时间: 2008-01-09
昵称: 痞子PHP 时间: 2008-1-10 13:17
调用后怎么显示的是一个不见东西的坏图片呢 !
作者: 痞子PHP 发布时间: 2008-01-10
强烈支持！
作者: 312344505 发布时间: 2008-01-10
作者: 312344505 发布时间: 2008-01-15
有些同学不能用可能是PHP4版本的！
用以下代码即可解决！
用以下代码即可解决！
复制PHP内容到剪贴板
<?php
session_start();
$vi = new vCodeImage;
$vi->SetImage(3,4,80,25,40,1);
class vCodeImage{
/*******************************************************
**FILENAME: verify_image.php
**COPYRIGHT: NONE! (但请保留此信息)
**AUTHOR: vsFree.Com
**DATE: 2007-08-08
**Modify: jason.chu
********************************************************/
var $mode; //1：数字模式，2：字母模式，3：数字字母模式，其他：数字字母优化模式
var $v_num; //验证码个数
var $img_w; //验证码图像宽度
var $img_h; //验证码图像高度
var $int_pixel_num; //干扰像素个数
var $int_line_num; //干扰线条数
var $font_dir; //字体文件相对路径
var $border; //图像边框
var $borderColor; //图像边框颜色
function SetImage($made,$v_num,$img_w,$img_h,$int_pixel_num,$int_line_num,$font_dir='font',$border=true,$borderColor='255,200,85'){
if(!isset($_SESSION['vCode'])){
session_register('vCode');
}
$_SESSION['vCode']="";
$this->mode = $made;
$this->v_num = $v_num;
$this->img_w = $img_w;
$this->img_h = $img_h;
$this->int_pixel_num = $int_pixel_num;
$this->int_line_num = $int_line_num;
$this->font_dir = $font_dir;
$this->border = $border;
$this->borderColor = $borderColor;
$this->GenerateImage();
}
function GetChar($mode){
if($mode == "1"){
$ychar = "0,1,2,3,4,5,6,7,8,9";
}
else if($mode == "2"){
$ychar = "A,B,C,D,E,F,G,H,I,J,K,L,M,N,O,P,Q,R,S,T,U,V,W,X,Y,Z";
}
else if($mode == "3"){
$ychar = "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F,G,H,I,J,K,L,M,N,O,P,Q,R,S,T,U,V,W,X,Y,Z";
}
else
$ychar = "3,4,5,6,7,8,9,A,B,C,D,H,K,P,R,S,T,W,X,Y";
return $ychar;
}
function RandColor($rs,$re,$gs,$ge,$bs,$be){
$r = mt_rand($rs,$re);
$g = mt_rand($gs,$ge);
$b = mt_rand($bs,$be);
return array($r,$g,$b);
}
function GenerateImage(){
$im = imagecreate($this->img_w,$this->img_h);
$black = imagecolorallocate($im, 0,0,0);
$white = imagecolorallocate($im, 255,255,255);
$bgcolor = imagecolorallocate($im, 255,255,255);
imagefill($im,0,0,$bgcolor);
$fonts = $this->ScanDir($this->font_dir);
$fmax = count($fonts) - 2;
$ychar = $this->GetChar($this->mode);
$list = explode(",",$ychar);
$x = mt_rand(2,$this->img_w/($this->v_num+2));
$cmax = count($list) - 1;
$v_code = '';
for($i=0;$i<$this->v_num;$i++) //验证码
{
$randnum = mt_rand(0,$cmax);
$this_char = $list[$randnum];
$v_code .= $this_char;
$size = mt_rand(intval($this->img_w/5),intval($this->img_w/4));
$angle = mt_rand(-20,20);
$y = mt_rand(($size+2),($this->img_h-2));
if($this->border)
$y = mt_rand(($size+3),($this->img_h-3));
$rand_color = $this->RandColor(0,200,0,100,0,250);
$randcolor = imagecolorallocate($im,$rand_color[0],$rand_color[1],$rand_color[2]);
$fontrand = mt_rand(2, $fmax);
$font = "$this->font_dir/".$fonts[$fontrand];
imagettftext($im, $size, $angle, $x, $y, $randcolor, $font, $this_char);
$x = $x + intval($this->img_w/($this->v_num+1));
}
for($i=0;$i<$this->int_pixel_num;$i++){//干扰像素
$rand_color = $this->RandColor(50,250,0,250,50,250);
$rand_color_pixel = imagecolorallocate($im,$rand_color[0],$rand_color[1],$rand_color[2]);
imagesetpixel($im, mt_rand()%$this->img_w, mt_rand()%$this->img_h, $rand_color_pixel);
}
for($i=0;$i<$this->int_line_num;$i++){ //干扰线
$rand_color = $this->RandColor(100,200,100,200,100,200);
$rand_color_line = imagecolorallocate($im,$rand_color[0],$rand_color[1],$rand_color[2]);
imageline($im, mt_rand(0,intval($this->img_w/3)), mt_rand(0,$this->img_h), mt_rand(intval($this->img_w - ($this->img_w/3)),$this->img_w), mt_rand(0,$this->img_h), $rand_color_line);
}
if($this->border) //画出边框
{
if(preg_match("/^\d{1,3},\d{1,3},\d{1,3}$/",$this->borderColor)){
$borderColor = explode(',',$this->borderColor);
}
$border_color_line = imagecolorallocate($im,$borderColor[0],$borderColor[1],$borderColor[2]);
imageline($im, 0, 0, $this->img_w, 0, $border_color_line); //上横
imageline($im, 0, 0, 0, $this->img_h, $border_color_line); //左竖
imageline($im, 0, $this->img_h-1, $this->img_w, $this->img_h-1, $border_color_line); //下横
imageline($im, $this->img_w-1, 0, $this->img_w-1, $this->img_h, $border_color_line); //右竖
}
$time = time();
$_SESSION['vCode'] = $v_code."|".$time; //把验证码和生成时间负值给$_SESSION[vCode]
//生成图像给浏览器
if (function_exists("imagegif")) {
header ("Content-type: image/gif");
imagegif($im);
}
elseif (function_exists("imagepng")) {
header ("Content-type: image/png");
imagepng($im);
}
elseif (function_exists("imagejpeg")) {
header ("Content-type: image/jpeg");
imagejpeg($im, "", 80);
}
elseif (function_exists("imagewbmp")) {
header ("Content-type: image/vnd.wap.wbmp");
imagewbmp($im);
}
else
die("No Image Support On This Server !");
imagedestroy($im);
}
function ScanDir($dir){
$dh = opendir($dir);
while (false !== ($filename = readdir($dh))) {
$files[] = $filename;
}
sort($files);
return $files;
}
}
?>
PHP代码:
<?php
session_start();
$vi = new vCodeImage;
$vi->SetImage(3,4,80,25,40,1);
class vCodeImage{
/*******************************************************
**FILENAME: verify_image.php
**COPYRIGHT: NONE! (但请保留此信息)
**AUTHOR: vsFree.Com
**DATE: 2007-08-08
**Modify: jason.chu
********************************************************/
var $mode; //1：数字模式，2：字母模式，3：数字字母模式，其他：数字字母优化模式
var $v_num; //验证码个数
var $img_w; //验证码图像宽度
var $img_h; //验证码图像高度
var $int_pixel_num; //干扰像素个数
var $int_line_num; //干扰线条数
var $font_dir; //字体文件相对路径
var $border; //图像边框
var $borderColor; //图像边框颜色
function SetImage($made,$v_num,$img_w,$img_h,$int_pixel_num,$int_line_num,$font_dir='font',$border=true,$borderColor='255,200,85'){
if(!isset($_SESSION['vCode'])){
session_register('vCode');
}
$_SESSION['vCode']="";
$this->mode = $made;
$this->v_num = $v_num;
$this->img_w = $img_w;
$this->img_h = $img_h;
$this->int_pixel_num = $int_pixel_num;
$this->int_line_num = $int_line_num;
$this->font_dir = $font_dir;
$this->border = $border;
$this->borderColor = $borderColor;
$this->GenerateImage();
}
function GetChar($mode){
if($mode == "1"){
$ychar = "0,1,2,3,4,5,6,7,8,9";
}
else if($mode == "2"){
$ychar = "A,B,C,D,E,F,G,H,I,J,K,L,M,N,O,P,Q,R,S,T,U,V,W,X,Y,Z";
}
else if($mode == "3"){
$ychar = "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F,G,H,I,J,K,L,M,N,O,P,Q,R,S,T,U,V,W,X,Y,Z";
}
else
$ychar = "3,4,5,6,7,8,9,A,B,C,D,H,K,P,R,S,T,W,X,Y";
return $ychar;
}
function RandColor($rs,$re,$gs,$ge,$bs,$be){
$r = mt_rand($rs,$re);
$g = mt_rand($gs,$ge);
$b = mt_rand($bs,$be);
return array($r,$g,$b);
}
function GenerateImage(){
$im = imagecreate($this->img_w,$this->img_h);
$black = imagecolorallocate($im, 0,0,0);
$white = imagecolorallocate($im, 255,255,255);
$bgcolor = imagecolorallocate($im, 255,255,255);
imagefill($im,0,0,$bgcolor);
$fonts = $this->ScanDir($this->font_dir);
$fmax = count($fonts) - 2;
$ychar = $this->GetChar($this->mode);
$list = explode(",",$ychar);
$x = mt_rand(2,$this->img_w/($this->v_num+2));
$cmax = count($list) - 1;
$v_code = '';
for($i=0;$i<$this->v_num;$i++) //验证码
{
$randnum = mt_rand(0,$cmax);
$this_char = $list[$randnum];
$v_code .= $this_char;
$size = mt_rand(intval($this->img_w/5),intval($this->img_w/4));
$angle = mt_rand(-20,20);
$y = mt_rand(($size+2),($this->img_h-2));
if($this->border)
$y = mt_rand(($size+3),($this->img_h-3));
$rand_color = $this->RandColor(0,200,0,100,0,250);
$randcolor = imagecolorallocate($im,$rand_color[0],$rand_color[1],$rand_color[2]);
$fontrand = mt_rand(2, $fmax);
$font = "$this->font_dir/".$fonts[$fontrand];
imagettftext($im, $size, $angle, $x, $y, $randcolor, $font, $this_char);
$x = $x + intval($this->img_w/($this->v_num+1));
}
for($i=0;$i<$this->int_pixel_num;$i++){//干扰像素
$rand_color = $this->RandColor(50,250,0,250,50,250);
$rand_color_pixel = imagecolorallocate($im,$rand_color[0],$rand_color[1],$rand_color[2]);
imagesetpixel($im, mt_rand()%$this->img_w, mt_rand()%$this->img_h, $rand_color_pixel);
}
for($i=0;$i<$this->int_line_num;$i++){ //干扰线
$rand_color = $this->RandColor(100,200,100,200,100,200);
$rand_color_line = imagecolorallocate($im,$rand_color[0],$rand_color[1],$rand_color[2]);
imageline($im, mt_rand(0,intval($this->img_w/3)), mt_rand(0,$this->img_h), mt_rand(intval($this->img_w - ($this->img_w/3)),$this->img_w), mt_rand(0,$this->img_h), $rand_color_line);
}
if($this->border) //画出边框
{
if(preg_match("/^\d{1,3},\d{1,3},\d{1,3}$/",$this->borderColor)){
$borderColor = explode(',',$this->borderColor);
}
$border_color_line = imagecolorallocate($im,$borderColor[0],$borderColor[1],$borderColor[2]);
imageline($im, 0, 0, $this->img_w, 0, $border_color_line); //上横
imageline($im, 0, 0, 0, $this->img_h, $border_color_line); //左竖
imageline($im, 0, $this->img_h-1, $this->img_w, $this->img_h-1, $border_color_line); //下横
imageline($im, $this->img_w-1, 0, $this->img_w-1, $this->img_h, $border_color_line); //右竖
}
$time = time();
$_SESSION['vCode'] = $v_code."|".$time; //把验证码和生成时间负值给$_SESSION[vCode]
//生成图像给浏览器
if (function_exists("imagegif")) {
header ("Content-type: image/gif");
imagegif($im);
}
elseif (function_exists("imagepng")) {
header ("Content-type: image/png");
imagepng($im);
}
elseif (function_exists("imagejpeg")) {
header ("Content-type: image/jpeg");
imagejpeg($im, "", 80);
}
elseif (function_exists("imagewbmp")) {
header ("Content-type: image/vnd.wap.wbmp");
imagewbmp($im);
}
else
die("No Image Support On This Server !");
imagedestroy($im);
}
function ScanDir($dir){
$dh = opendir($dir);
while (false !== ($filename = readdir($dh))) {
$files[] = $filename;
}
sort($files);
return $files;
}
}
?>
作者: strongability 发布时间: 2008-01-15
学习了~ 作者: strongability 发布时间: 2008-05-27
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Warning: imagegif() [function.imagegif]: Unable to open temporary file in D:\www\taocheng\htdoc\verify_image.php on line 135
Warning: imagegif() [function.imagegif]: Unable to open temporary file in D:\www\taocheng\htdoc\verify_image.php on line 135
作者: qingis 发布时间: 2008-05-28
上去
作者: richardhc 发布时间: 2008-05-31
我的是字体文件没有下载，所有问题。
作者: sanler 发布时间: 2008-06-09
昵称: diego 时间: 2008-6-23 09:48
这些代码怎么用它，才能看到效果
作者: Alog_W 发布时间: 2008-06-23
不错，收下了。
作者: diego 发布时间: 2008-06-23
和书上的一个例子一样
不过改成类了
不过改成类了
作者: diego 发布时间: 2008-07-02
很 漂亮 先谢了
作者: juehan1314 发布时间: 2008-07-03
呵呵很好谢谢
作者: d9tx 发布时间: 2008-07-03
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