圖文詳解thinkphp5+barcode生成條形碼

<?php namespace appindexcontroller; use thinkController;  /** * 條形碼操作類 */ class Barcode extends Controller {     public function createBarcode()     {         $class_dir = VENDOR_PATH.'barcode/class/';         // Including all required classes         require_once($class_dir.'BCGFontFile.php');         require_once($class_dir.'BCGColor.php');         require_once($class_dir.'BCGDrawing.php');         require_once($class_dir.'BCGcode39.barcode.php');          // Loading Font         // 注意font和class是同一級文件夾         $font = new BCGFontFile(VENDOR_PATH.'barcode/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 BCGcode39();             $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)  0不顯示文字 　　　　　    $text = isset($_GET['text']) ? $_GET['text'] : 'HELLO';             $code->parse($text); // 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');         header('Content-Disposition: inline; filename="barcode.png"');          // Draw (or save) the image into PNG format.         $drawing->finish(BCGDrawing::IMG_FORMAT_PNG);      }      public function barcodedes()     {         return $this->fetch();     } } ?>

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$text = isset($_GET['text']) ? $_GET['text'] : 'HELLO';

$text = input('text');      //接收的參數

// 文件路徑         $file_dir = 'uploads/barcode/'.date('Y-m-d');         if (!file_exists($file_dir)) {             mkdir($file_dir,0755,true);         }         $imgUrl = $file_dir.'/'.time().'.png';         $class_dir = VENDOR_PATH.'barcode/class/';         // Including all required classes         require_once($class_dir.'BCGFontFile.php');         require_once($class_dir.'BCGColor.php');         require_once($class_dir.'BCGDrawing.php');         require_once($class_dir.'BCGcode39.barcode.php');         // Loading Font         // 注意font和class是同一級文件夾         $font = new BCGFontFile(VENDOR_PATH.'barcode/font/Arial.ttf', 18);          // Don't forget to sanitize user inputs         // $text = isset($_GET['text']) ? $_GET['text'] : 'HELLO';         // 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 BCGcode39();             $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)             $text = input('text');      //接收的參數             $text = isset($text) ? $text :'無參數';                   $code->parse($text); // Text         } catch(Exception $exception) {             $drawException = $exception;         }          /* Here is the list of the arguments - Filename (empty : display on screen) - Background color */         // 保存到本地 （路徑，顏色）路徑為空則表示顯示到頁面上         $drawing = new BCGDrawing($imgUrl, $color_white);         if($drawException) {             $drawing->drawException($drawException);         } else {             $drawing->setBarcode($code);             $drawing->draw();         }         $drawing->finish(BCGDrawing::IMG_FORMAT_PNG);