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shopxo/extend/base/Qrcode.php

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1.5
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<?php
// +----------------------------------------------------------------------
// | ShopXO 国内领先企业级B2C免费开源电商系统
// +----------------------------------------------------------------------
// | Copyright (c) 2011~2019 http://shopxo.net All rights reserved.
// +----------------------------------------------------------------------
// | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )
// +----------------------------------------------------------------------
// | Author: Devil
// +----------------------------------------------------------------------
namespace base;
/**
* 二维码驱动
* @author Devil
* @blog http://gong.gg/
* @version 0.0.1
* @datetime 2016-12-01T21:51:08+0800
*/
class Qrcode
{
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// 配置
private $config;
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/**
* 构造方法
* @author Devil
* @blog http://gong.gg/
* @version 1.0.0
* @datetime 2019-04-16T21:13:10+0800
*/
public function __construct()
{
require_once ROOT.'extend'.DS.'qrcode'.DS.'phpqrcode.php';
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// 默认配置
$this->config['root_path'] = isset($params['root_path']) ? $params['root_path'] : ROOT.'public';
$this->config['path'] = isset($params['path']) ? $params['path'] : DS.'static'.DS.'upload'.DS.'images'.DS.'qrcode'.DS.date('Y').DS.date('m').DS.date('d').DS;
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}
/**
* 二维码展示
* @author Devil
* @blog http://gong.gg/
* @version 1.0.0
* @datetime 2019-04-16T21:13:16+0800
* @param [array] $params [输入参数]
*/
public function View($params = [])
{
// 容错率
$level = isset($params['level']) && in_array($params['level'], array('L','M','Q','H')) ? $params['level'] : 'L';
// 大小，最小1，最大10
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$point_size = isset($params['size']) ? min(max(intval($params['size']), 1), 30) : 6;
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// 外边距
$mr = isset($params['mr']) ? intval($params['mr']) : 1;
// 内容
$content = isset($params['content']) ? base64_decode(urldecode(trim($params['content']))) : __MY_URL__;
// 生成二维码并输出页面显示
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ob_clean();
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\QRcode::png($content, false, $level, $point_size, $mr);
}
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/**
* 二维码创建
* @author Devil
* @blog http://gong.gg/
* @version 1.0.0
* @date 2019-04-19
* @desc description
* @param [array] $params [输入参数]
*/
public function Create($params = [])
{
// 数据参数
if(empty($params['content']))
{
return DataReturn('内容不能为空', -1);
}
// 自定义路径
if(!empty($params['root_path']))
{
$this->config['root_path'] = $params['root_path'];
}
if(!empty($params['path']))
{
$this->config['path'] = $params['path'];
}
// 存储目录校验
$dir = str_replace(['//', '\\\\'], ['/', '\\'], $this->config['root_path'].$this->config['path']);
$ret = $this->IsMkdir($dir);
if($ret['code'] != 0)
{
return $ret;
}
// 文件名称
$filename = empty($params['filename']) ? $this->RandNewFilename().'.png' : $params['filename'];
// 容错率
$level = isset($params['level']) && in_array($params['level'], array('L','M','Q','H')) ? $params['level'] : 'L';
// 大小，最小1，最大10
$point_size = isset($params['size']) ? min(max(intval($params['size']), 1), 30) : 10;
// 外边距
$mr = isset($params['mr']) ? intval($params['mr']) : 2;
// 生成二维码
\QRcode::png($params['content'], $dir.$filename, $level, $point_size, $mr);
if(!file_exists($dir.$filename))
{
return DataReturn('二维码创建失败', -100);
}
//判断是否生成带logo的二维码
if(!empty($params['logo']))
{
$logo = @file_get_contents($params['logo']);
if($logo !== false)
{
$qr = imagecreatefromstring(file_get_contents($dir.$filename)); //目标图象连接资源
$logo = imagecreatefromstring($logo); //源图象连接资源
$qr_width = imagesx($qr);
$qr_height = imagesy($qr);
$logo_width = imagesx($logo);
$logo_height = imagesy($logo);
$logo_qr_width = $qr_width / 5; //组合之后logo的宽度(占二维码的1/5)
$scale = $logo_width/$logo_qr_width; //logo的宽度缩放比(本身宽度/组合后的宽度)
$logo_qr_height = $logo_height/$scale; //组合之后logo的高度
$from_width = ($qr_width - $logo_qr_width) / 2; //组合之后logo左上角所在坐标点
//重新组合图片并调整大小
imagecopyresampled($qr, $logo, $from_width, $from_width, 0, 0, $logo_qr_width,$logo_qr_height, $logo_width, $logo_height);
//输出图片
imagepng($qr, $dir.$filename);
imagedestroy($qr);
imagedestroy($logo);
}
}
$result = [
'dir' => $dir.$filename,
'root' => $this->config['root_path'],
'path' => $this->config['path'],
'filename' => $filename,
];
return DataReturn('创建成功', 0, $result);
}
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/**
* 二维码下载
* @author Devil
* @blog http://gong.gg/
* @version 1.0.0
* @datetime 2019-04-16T21:23:01+0800
* @param [array] $params [输入参数]
*/
public function Download($params = [])
{
// 图片地址
$url = base64_decode(urldecode($params['url']));
// 随机文件名
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$filename = empty($params['filename']) ? date('YmdHis').GetNumberCode().'.png' : $params['filename'].'.png';
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// 设置头信息
header('Pragma: public');
header('Expires: 0');
header('Cache-Control: must-revalidate, post-check=0, pre-check=0');
header('Cache-Control: private',false);
header('Content-Type: application/force-download');
header('Content-Disposition: attachment; filename="'.$filename.'"');
header('Content-Transfer-Encoding: binary');
header('Connection: close');
readfile($url);
}
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/**
* 生成新的文件名称
* @author Devil
* @blog http://gong.gg/
* @version 1.0.0
* @date 2018-06-29
* @desc description
* @return [string] [文件名称]
*/
private function RandNewFilename()
{
return date('YmdHis').rand(0,9).rand(0,9).rand(0,9).rand(0,9).rand(0,9);
}
/**
* 路径不存在则创建
* @author Devil
* @blog http://gong.gg/
* @version 1.0.0
* @date 2018-06-29
* @desc description
* @param [string] $dir [文件路径]
*/
private function IsMkdir($dir)
{
if(!is_dir($dir))
{
// 创建目录
if(mkdir($dir, 0777, true) === false)
{
return DataReturn('目录创建失败', -1);
}
}
return DataReturn('操作成功', 0);
}
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}
?>
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