55 lines
1007 B
PHP
55 lines
1007 B
PHP
<?php
|
|
|
|
namespace app\common\library\printer\engine;
|
|
|
|
/**
|
|
* 小票打印机驱动基类
|
|
* Class Basics
|
|
* @package app\common\library\printer\engine
|
|
*/
|
|
abstract class Basics
|
|
{
|
|
protected $config; // 打印机配置
|
|
protected $times; // 打印联数(次数)
|
|
|
|
protected $error; // 错误信息
|
|
|
|
/**
|
|
* 构造函数
|
|
* Basics constructor.
|
|
* @param array $config 打印机配置
|
|
* @param int $times 打印联数(次数)
|
|
*/
|
|
public function __construct($config, $times)
|
|
{
|
|
$this->config = $config;
|
|
$this->times = $times;
|
|
}
|
|
|
|
/**
|
|
* 执行打印请求
|
|
* @param $content
|
|
* @return mixed
|
|
*/
|
|
abstract protected function printTicket($content);
|
|
|
|
/**
|
|
* 返回错误信息
|
|
* @return mixed
|
|
*/
|
|
public function getError()
|
|
{
|
|
return $this->error;
|
|
}
|
|
|
|
/**
|
|
* 创建打印的内容
|
|
* @return string
|
|
*/
|
|
private function setContentText()
|
|
{
|
|
return '';
|
|
}
|
|
|
|
|
|
} |