实例结构:
1. index.html
<!DOCTYPE html><html><head><title>Test with embedded image</title></head><body> ?<img src="buildcode.php?text=DJ1307100009&type=BCGcode39" alt="barcode" /></body></html>
2. buildcode.php
<?php// Including all required classesrequire_once(‘class/BCGFontFile.php‘);require_once(‘class/BCGColor.php‘);require_once(‘class/BCGDrawing.php‘);// Including the barcode technology$barcode_name = isset($_REQUEST[‘type‘]) ? $_REQUEST[‘type‘] : ‘BCGcode39‘ ;require_once(‘class/‘.$barcode_name.‘.barcode.php‘);// Don‘t forget to sanitize user inputs$text = isset($_REQUEST[‘text‘]) ? $_REQUEST[‘text‘] : ‘HELLO‘;// Loading Font$font = new BCGFontFile(‘./class/font/Arial.ttf‘, 18);// The arguments are R, G, B for color.$color_black = new BCGColor(0, 0, 0);$color_white = new BCGColor(255, 255, 255);$drawException = null;try {$code = new $barcode_name();$code->setScale(2); // Resolution$code->setThickness(30); // Thickness$code->setForegroundColor($color_black); // Color of bars$code->setBackgroundColor($color_white); // Color of spaces$code->setFont($font); // Font (or 0)$code->parse($text); // Text} catch(Exception $exception) {$drawException = $exception;}/* Here is the list of the arguments1 - Filename (empty : display on screen)2 - Background color */$drawing = new BCGDrawing(‘‘, $color_white);if($drawException) {$drawing->drawException($drawException);} else {$drawing->setBarcode($code);$drawing->draw();}// Header that says it is an image (remove it if you save the barcode to a file)header(‘Content-Type: image/png‘);header(‘Content-Disposition: inline; filename="barcode.png"‘);// Draw (or save) the image into PNG format.$drawing->finish(BCGDrawing::IMG_FORMAT_PNG);?>3. barcode 类库下载地址:
http://url.cn/PpPU1J
效果:
;
php生成条形码: barcodegen
原文地址：http://www.cnblogs.com/upup2015/p/7782626.html