Question

我需要一个能够生成条形码图像文件的类，最好与最常见的标准兼容。

我正在寻找基于这些事情的个人经验的建议/建议。

非常感谢

Answer 1

这是一个用于生成barocdes的简单PHP脚本：

<?php
//For displaying barcodes

//Arguments are:
//  code    Number you want outputted as a barcode

//You can use this script in two ways:
//  From a webpage/PHP script   <img src='/images/barcode.php?code=12345'/>
//  Directly in your web browser    http://www.example.com/images/barcode.php?code=12345

//Outputs the code as a barcode, surrounded by an asterisk (as per standard)
//Will only output numbers, text will appear as gaps
//Image width is dynamic, depending on how much data there is

//Get the barcode font (called 'free3of9') from here http://www.barcodesinc.com/free-barcode-font/

header("Content-type: image/png");
$file = "images/barcode.png"; // path to base png image
$im = imagecreatefrompng($file); // open the blank image
$string = $_GET['code']; // get the code from URL
imagealphablending($im, true); // set alpha blending on
imagesavealpha($im, true); // save alphablending setting (important)

$black = imagecolorallocate($im, 0, 0, 0); // colour of barcode

$font_height=40; // barcode font size. anything smaller and it will appear jumbled and will not be able to be read by scanners

$newwidth=((strlen($string)*20)+41); // allocate width of barcode. each character is 20px across, plus add in the asterisk's
$thumb = imagecreatetruecolor($newwidth, 40); // generate a new image with correct dimensions

imagecopyresized($thumb, $im, 0, 0, 0, 0, $newwidth, 40, 10, 10); // copy image to thumb
imagettftext($thumb, $font_height, 0, 1, 40, $black, 'c:\windows\fonts\free3of9.ttf', '*'.$string.'*'); // add text to image

//show the image
imagepng($thumb);
imagedestroy($thumb);
?>

希望这会对你有所帮助。

Answer 2

two PEAR packages和Zend Framework v1.10也会有BarCode类。

我没有使用过任何一个，所以我不推荐一个。

Answer 3

如果您仍在寻找解决方案，我已经使用this（改编了ASP.NET版本），它可以毫无问题地生成EAN代码。

Answer 4

这里有一个免费的lib，它有php类，jQuery插件和prototype插件。它非常很好的例子visit

PHP条形码图像生成器

4 个答案: