欢迎您访问程序员文章站本站旨在为大家提供分享程序员计算机编程知识!
您现在的位置是: 首页  >  后端开发

php生成条形码代码_PHP教程

程序员文章站 2022-06-15 20:03:48
...
php生成条形码代码 成条形码就是必须生成图片了,在php生成图片我们就必须用到gd库来实现了,所以你得找到你的将php.ini文件找到extension=php_gd2.dll 去掉前面的; 。你就可能使用些实例了。

php教程生成条形码代码
/*
生成条形码就是必须生成图片了,在php生成图片我们就必须用到gd库来实现了,所以你得找到你的将php.ini文件找到extension=php_gd2.dll 去掉前面的;
。你就可能使用些实例了。
*/

class cd_barra
{
var $file;
var $into;

var $cd_barras = array(0=>"00110",1=>"10001",2=>"01001",3=>"11000",4=>"00101",
5=>"10100",6=>"01100",7=>"00011",8=>"10010",9=>"01010"
);
function cd_barra($value,$files,$into=1) {
$lower = 1 ; $hight = 55;
$this->into = $into;
for($count1=9;$count1>=0;$count1--){
for($count2=9;$count2>=0;$count2--){
$count = ($count1 * 10) + $count2 ;
$text = "" ;
for($i=1;$i $text .= substr($this->cd_barras[$count1],($i-1),1) . substr($this->cd_barras[$count2],($i-1),1);
}
$this->cd_barras[$count] = $text;
}
}

//$img = imagecreate($lower*95+300,$hight+30);
$img = imagecreate(145,55);

//$img = imagecreate(395,73);
$cl_black = imagecolorallocate($img, 0, 0, 0);
$cl_white = imagecolorallocate($img, 255, 255, 255);



imagefilledrectangle($img, 0, 0, $lower*95+1000, $hight+30, $cl_white);


imagefilledrectangle($img, 1,1,1,53,$cl_black);
imagefilledrectangle($img, 2,1,2,53,$cl_white);
imagefilledrectangle($img, 3,1,3,53,$cl_black);
imagefilledrectangle($img, 4,1,4,53,$cl_white);



$thin = 1 ;
if(substr_count(strtoupper($_server['server_software']),"win32")){
//o tamanho para windows tem que ser 3
// for windows, the wide bar has = 3
$wide = 3;
} else {
$wide = 2.72;
}
$pos = 5 ;
$text = $value ;
if((strlen($text) % 2) 0){
$text = "0" . $text;
}


while (strlen($text) > 0) {
$i = round($this->barra_left($text,2));
$text = $this->barra_right($text,strlen($text)-2);

$f = $this->cd_barras[$i];

for($i=1;$i if (substr($f,($i-1),1) == "0") {
$f1 = $thin ;
}else{
$f1 = $wide ;
}


imagefilledrectangle($img, $pos,1,$pos-1+$f1,53,$cl_black) ;
$pos = $pos + $f1 ;

if (substr($f,$i,1) == "0") {
$f2 = $thin ;
}else{
$f2 = $wide ;
}

imagefilledrectangle($img, $pos,1,$pos-1+$f2,53,$cl_white) ;
$pos = $pos + $f2 ;
}
}


imagefilledrectangle($img, $pos,1,$pos-1+$wide,53,$cl_black);
$pos=$pos+$wide;

imagefilledrectangle($img, $pos,1,$pos-1+$thin,53,$cl_white);
$pos=$pos+$thin;


imagefilledrectangle($img, $pos,1,$pos-1+$thin,53,$cl_black);
$pos=$pos+$thin;

$this->put_img($img,$files);
}

function barra_left($input,$comp){
return substr($input,0,$comp);
}

function barra_right($input,$comp){
return substr($input,strlen($input)-$comp,$comp);
}

function put_img($image,$file){
if($this->into){
imagegif($image,$file);
}
else {
header("content-type: image/gif");
imagegif($image);
}
imagedestroy($image);
}
}

?>

//调用 方法

include("codes.php");
$new_code = new cd_barra("1234567890","a.gif",1);

?>
php生成条形码代码_PHP教程

www.bkjia.comtruehttp://www.bkjia.com/PHPjc/633039.htmlTechArticlephp生成条形码代码成条形码就是必须生成图片了,在php生成图片我们就必须用到gd库来实现了,所以你得找到你的将php.ini文件找到extension=...