95 lines
2.3 KiB
PHP
95 lines
2.3 KiB
PHP
<?php
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/**
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* Created by PhpStorm.
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* User: liujin834
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* Date: 14/12/26
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* Time: 下午3:52
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*/
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namespace Westdc\File;
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use Zend\ServiceManager\ServiceManager;
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use Zend\ServiceManager\ServiceManagerAwareInterface;
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class File implements ServiceManagerAwareInterface{
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protected $serviceManager;
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public function setServiceManager(ServiceManager $serviceManager)
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{
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$this->serviceManager = $serviceManager;
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return $this;
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}
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//获取文件扩展名
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public function getFileTextExt($file_name)
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{
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$temp_arr = explode(".", $file_name);
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$file_ext = array_pop($temp_arr);
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$file_ext = trim($file_ext);
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$file_ext = strtolower($file_ext);
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return $file_ext;
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}
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//获取文件Mime，通过finfo扩展
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public function getFileMime($file_name)
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{
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$finfo = finfo_open(FILEINFO_MIME_TYPE);
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$filetype = finfo_file($finfo, $file_name) ; //文件mime类型
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finfo_close($finfo);
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return $filetype;
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}
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//获取某个文件的信息
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public function get($id)
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{
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if(!is_numeric($id) || $id<1)
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return false;
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$dbService = $this->serviceManager->get('Db');
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$db = $dbService->getPdo();
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$sql = "SELECT * FROM attachments WHERE id=$id";
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$rs = $db->query($sql);
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return $rs->fetch();
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}
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//删除文件
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public function delete($id)
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{
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if(!is_numeric($id) || $id<1)
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return false;
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$file_info = $this->get($id);
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$basePath = $this->getFileSaveDirByType($file_info['filetype']);
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@unlink($basePath . $file_info['filename']);
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$dbService = $this->serviceManager->get('Db');
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$db = $dbService->getPdo();
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return $db->exec("DELETE FROM attachments WHERE id=$id");
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}
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public function getFileSaveDirByType($fileType)
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{
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$configService = $this->serviceManager->get('ConfigService');
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$basePath = "";
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switch ($fileType){
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case "literature":
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$appConfig = $configService->get('application.ini');
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$basePath = $appConfig['reference_save_path'];
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break;
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}
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if (!preg_match("/[\/|\\\]+$/", $basePath))
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$basePath .= "/";
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return $basePath;
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}
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}
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