PHP生成条形码大揭秘

<?php
// 引用class文件夹对应的类
require_once('class/BCGFontFile.php');
require_once('class/BCGColor.php');
require_once('class/BCGDrawing.php');

// 条形码的编码格式
require_once('class/BCGcode39.barcode.php');

// 加载字体大小
$font = new BCGFontFile('./class/font/Arial.ttf',18);

//颜色条形码
$color_black = new BCGColor(0,0);
$color_white = new BCGColor(255,255,255);

$drawException = null;
try {
$code = new BCGcode39();
$code->setScale(2);
$code->setThickness(30); // 条形码的厚度
$code->setForegroundColor($color_black); // 条形码颜色
$code->setBackgroundColor($color_white); // 空白间隙颜色
$code->setFont($font); //
$code->parse('HELLO'); // 条形码需要的数据内容
} catch(Exception $exception) {
$drawException = $exception;
}

//根据以上条件绘制条形码
$drawing = new BCGDrawing('',$color_white);
if($drawException) {
$drawing->drawException($drawException);
} else {
$drawing->setBarcode($code);
$drawing->draw();
}

// 生成PNG格式的图片
header('Content-Type: image/png');

$drawing->finish(BCGDrawing::IMG_FORMAT_PNG);
?>

setScale(2); // Resolution $code->setThickness(23); // Thickness $code->setForegroundColor($color_black); // Color of bars $code->setBackgroundColor($color_white); // Color of spaces $code->setFont($font); // Font (or 0) $text = $_REQUEST['text']; //条形码将要数据的内容 $code->parse($text); } catch(Exception $exception) { $drawException = $exception; } /* Here is the list of the arguments - Filename (empty : display on screen) - Background color */ $drawing = new BCGDrawing('',$color_white); if($drawException) { $drawing->drawException($drawException); } else { $drawing->setBarcode($code); $drawing->draw(); } // Header that says it is an image (remove it if you save the barcode to a file) header('Content-Type: image/png'); // Draw (or save) the image into PNG format. $drawing->finish(BCGDrawing::IMG_FORMAT_PNG); ?>