How to call printer in php program

How does the php program call the printer

php can use the php_printer extension to control the printer.

1. Configuration

php running environment is installed correctly (Apache|Nginx PHP)

Download the php_printer.dll extension http that corresponds to the php version: //windows.php.net/downloads/pecl/snaps/printer/0.1.0-dev/

Add the extension file to the ext directory

Edit php.ini and add extension=php_printer.dll ;

2. Use

1. Basic code structure:

<?php
$handle = printer_open(&#39;printer name&#39;);
printer_start_doc($handle, "doc name");
printer_start_page($handle);
printer_set_option($handle, PRINTER_MODE, "RAW");//具体的打印部分printer_end_page($handle);
printer_end_doc($handle);
printer_close($handle);
?>

The above is the basic code structure. If printer_start_doc and printer_start_page are not specified, The printer will not print.

2. Introduction to printing methods of specific text and graphics

Initial setting of the printer: printer_set_option, you can set the printing mode, doc title, number of print copies, paper format, etc., refer to printer_set_option document.

Create a font: $font = printer_create_font('simsun', font height, font width, font thickness, whether it is italic, whether to underline, whether to add strikethrough, direction);

Specific See (http://docs.php.net/manual/da/function.printer-create-font.php). Before printing text, you must first select the font printer_select_font($handle, $font);

Use printer_draw_text($handle,'text to be printed', starting x, starting y);

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