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95 lines
2.8 KiB
95 lines
2.8 KiB
<?php
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// +----------------------------------------------------------------------
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// | 萤火商城系统 [ 致力于通过产品和服务，帮助商家高效化开拓市场 ]
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// +----------------------------------------------------------------------
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// | Copyright (c) 2017~2023 https://www.yiovo.com All rights reserved.
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// +----------------------------------------------------------------------
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// | Licensed 这不是一个自由软件，不允许对程序代码以任何形式任何目的的再发行
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// +----------------------------------------------------------------------
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// | Author: 萤火科技 <admin@yiovo.com>
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// +----------------------------------------------------------------------
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declare (strict_types=1);
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namespace app\common\library;
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use cores\exception\BaseException;
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/**
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* 文件下载类
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* Class Download
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* @package app\common\library
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*/
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class Download
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{
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/**
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* 获取网络图片到临时目录
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* @param int $storeId
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* @param string $url
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* @param string $prefix
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* @return string
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* @throws BaseException
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*/
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public function saveTempImage(int $storeId, string $url, string $prefix = 'temp'): string
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{
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$savePath = $this->getSavePath($storeId, $prefix, $url);
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if (!file_exists($savePath)) {
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$result = $this->curl($url);
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empty($result) && throwError('获取到的图片内容为空 url: ' . $url);
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$this->fwrite($savePath, $result);
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}
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return $savePath;
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}
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/**
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* 写入文件
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* @param string $savePath
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* @param string $result
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*/
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private function fwrite(string $savePath, string $result)
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{
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$fp = fopen($savePath, 'w');
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fwrite($fp, $result);
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fclose($fp);
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}
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/**
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* 请求网络文件
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* @param string $url
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* @return bool|string
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*/
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private function curl(string $url)
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{
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$ch = curl_init($url);
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curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
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curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false);
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curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
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$result = curl_exec($ch);
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curl_close($ch);
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return $result;
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}
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/**
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* 文件保存的路径
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* @param int $storeId
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* @param string $prefix
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* @param string $url
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* @return string
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*/
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private function getSavePath(int $storeId, string $prefix, string $url): string
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{
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$dirPath = $this->getDirPath($storeId);
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return "{$dirPath}/{$prefix}_" . md5($url) . ".png";
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}
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/**
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* 文件保存的目录
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* @param int $storeId
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* @return string
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*/
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private function getDirPath(int $storeId): string
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{
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$dirPath = runtime_root_path() . "image/{$storeId}";
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!is_dir($dirPath) && mkdir($dirPath, 0755, true);
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return $dirPath;
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}
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} |