// including all required classes
require_once('d:\wamp64\www\aier\public\admin\barcodegen\class\bcgfontfile.php');
require_once('d:\wamp64\www\aier\public\admin\barcodegen\class\bcgcolor.php');
require_once('d:\wamp64\www\aier\public\admin\barcodegen\class\bcgdrawing.php');
$codebar = bcgcode39; //条形码将要数据的内容
// including the barcode technology
require_once('d:\wamp64\www\aier\public\admin\barcodegen\class\barcode.php');
// loading font
$font = new bcgfontfile('./font/arial.ttf', 12);
// 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 $codebar();//实例化对应的编码格式
$code->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 = 'dfdf'; //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
1 - 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');
// draw (or save) the image into png format.
$drawing->finish(bcgdrawing::img_format_png);
}
报错:
class 'admin\controller\bcgfontfile' not found
require是成功了，但require里的变量无法找到，用不了。
回复讨论(解决方案) 试试
$font = new \bcgfontfile('./font/arial.ttf', 12);
下面所有的你引入的文件类，都加一个 \
试试
$font = new \bcgfontfile('./font/arial.ttf', 12);
下面所有的你引入的文件类，都加一个 \
果然有用，谢谢！