403 lines
9.7 KiB
PHP
403 lines
9.7 KiB
PHP
<?php
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namespace Files;
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use Files\Thumbnail;
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use Files\Listener\FileListener;
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class Files{
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public $tbl_att = "attachments";
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public $db;
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public $source = "";
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protected $events = NULL; //事件
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function __construct($db = NULL)
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{
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if(empty($db))
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{
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$this->db = \Zend_Registry::get('db');
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}else{
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$this->db = $db;
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}
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$this->config = \Zend_Registry::get('config');
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$this->event = new \Zend_EventManager_EventManager();
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$FileListener = new FileListener();
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@$this->events()->attachAggregate($FileListener);
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}
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public function events(\Zend_EventManager_EventCollection $events = NULL)
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{
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if ($events !== NULL) {
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$this->events = $events;
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} elseif ($this->events === NULL) {
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$this->events = new \Zend_EventManager_EventManager(__CLASS__);
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}
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return $this->events;
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}
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//上传申请表
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public function uploadApplicationForm($file,$orderid)
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{
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try{
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if (empty($file) !== false) {
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return array("error"=>"请选择要上传的文件");
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}
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if (@is_uploaded_file($file['tmp_name']) === false) {
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return array("error"=>"文件上传失败，请重新上传");
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}
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if($file['size'] > 20 * 1024 * 1024)
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{
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return array('error'=>"文件大小超出限制");
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}
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$ext = $this->getFileTextExt($file['name']);
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$filename = $orderid.".".$ext;
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$dir = "../data/application_form/";
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if (!file_exists($dir)) {
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mkdir($dir);
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}
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$dir.=date("Y")."/";
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if (!file_exists($dir)) {
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mkdir($dir);
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}
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$new_filepath = $dir.$filename;
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if (move_uploaded_file($file['tmp_name'], $new_filepath) === false) {
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return array("error"=>"上传失败，请重试");
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}
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return array("file"=>$new_filepath);
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}catch(Exception $e)
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{
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return array("error"=>$e->getMessage());
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}
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}
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/**
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* upload
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*
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* 文件上传
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*
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* @param Array $files e.g. $_FILES['Filedata']
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*
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* return Array $msg e.g. if($msg['error'])
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*/
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public function upload($files,$dir = "",$append = false,$filename="",$makeThumb = false)
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{
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if (empty($files) !== false) {
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return array("error"=>"请选择要上传的文件");
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}
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if (@is_uploaded_file($files['tmp_name']) === false) {
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return array("error"=>"文件上传失败，请重新上传");
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}
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$file = $files;
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$results = $this->events()->trigger('upload.checkExt', $this, compact('file'));
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$cache_data = $results->bottom();
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if($cache_data !== true)
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{
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return $cache_data;
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}
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$results = $this->events()->trigger('upload.checkSize', $this, compact('file','conf'));
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$cache_data = $results->bottom();
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if($cache_data !== true)
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{
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return $cache_data;
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}
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$msg = array();
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$file_name = $files['name']; //原文件名
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$file_size = $files['size']; //文件大小
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$results = $this->makeUploadTarget($dir,$append);
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if(isset($results['error']))
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{
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return $results;
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}//文件夹问题
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$new_file_basename = $this->gen_uuid();
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$file_ext = $this->getFileTextExt($file_name);
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$new_file_name = $new_file_basename . '.' . $file_ext;//新文件名
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//移动文件
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$file_path = $results['save_path'] . $new_file_name ;
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if (move_uploaded_file($file['tmp_name'], $file_path) === false) {
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return array("error"=>"上传失败，请重试");
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}
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$dbsave = $db_path = $results['dbsave'];
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$dbsave .= $new_file_name;//数据库最终存储的文件
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$file_url = $dbsave;//文件链接
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$msg['file_url'] = $file_url;
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$msg['file_size'] = $file_size;
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$msg['db_path'] = $dbsave;
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$msg['realname'] = $file_name;
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$msg['file_ext'] = $file_ext;
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$msg['file_mime'] = $this->getFileMime($file_path);
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return $msg;
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}//文件上传
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//生成上传文件的地址
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public function makeUploadTarget($dir = "",$append = false)
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{
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//文件保存目录路径
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if(empty($dir))
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{
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$save_path = $this->config->upload;
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}else{
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if($append === true)
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{
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$save_path = $this->config->upload.$dir;
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}else{
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$save_path = $dir;
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}
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}
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if (@is_dir($save_path) === false) {
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return array("error"=>"上传目录不存在。请联系管理员");
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}
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if (@is_writable($save_path) === false) {
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return array("error"=>"上传目录没有写权限。请联系管理员");
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}
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$dbsave = ""; //数据库中存放的路径
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if($append === true)
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{
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$dbsave = $dir;
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}
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$y = date("Y");
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$m = date("m");
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$d = date("d");
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$save_path .= $y . "/";
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$dbsave .= $y.'/';
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if (!file_exists($save_path)) {
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mkdir($save_path);
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}
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$save_path .= $m . "/";
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$dbsave .= $m.'/';
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if (!file_exists($save_path)) {
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mkdir($save_path);
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}
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$save_path .= $d . "/";
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$dbsave .= $d.'/';
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if (!file_exists($save_path)) {
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mkdir($save_path);
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}
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return array("save_path"=>$save_path,"dbsave"=>$dbsave);
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}//创建上传文件的地址
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//获取文件扩展名
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public function getFileTextExt($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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//文件名uuid
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public function gen_uuid() {
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return sprintf( '%04x%04x-%04x-%04x-%04x-%04x%04x%04x',
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// 32 bits for "time_low"
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mt_rand( 0, 0xffff ), mt_rand( 0, 0xffff ),
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// 16 bits for "time_mid"
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mt_rand( 0, 0xffff ),
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// 16 bits for "time_hi_and_version",
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// four most significant bits holds version number 4
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mt_rand( 0, 0x0fff ) | 0x4000,
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// 16 bits, 8 bits for "clk_seq_hi_res",
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// 8 bits for "clk_seq_low",
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// two most significant bits holds zero and one for variant DCE1.1
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mt_rand( 0, 0x3fff ) | 0x8000,
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// 48 bits for "node"
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mt_rand( 0, 0xffff ), mt_rand( 0, 0xffff ), mt_rand( 0, 0xffff )
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);
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}
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/**
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* getOne()
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*
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* 从数据库获取单个文件的信息
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*
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* @param int id
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*
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* return array
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*/
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public function getOne($id){
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$db = $this->db;
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//下载单个附件
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$sql = $db->query("select a.* from ".$this->tbl_att." a where a.id=$id order by a.ts_created desc");
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$att = $sql->fetch();
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if(empty($att['id']))
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{
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return false;
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}
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return $att;
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}
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public function delete($id){
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$att = $this->getOne($id);
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if(file_exists($this->config->upload.$att['filename'])){
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if(unlink($this->config->upload.$att['filename']))
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{
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$sql = "DELETE FROM ".$this->tbl_att." WHERE id=$id";
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if($this->db->exec($sql))
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{
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return true;
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}else{
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return "文件删除成功，数据库记录删除失败";
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}
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}else{
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return "删除失败";
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}
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}else{
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$sql = "DELETE FROM ".$this->tbl_att." WHERE id=$id";
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if($this->db->exec($sql))
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{
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return "文件不存在，数据库记录删除成功";
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}else{
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return "文件不存在，数据库记录删除失败";
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}
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}
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}
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public function getAll($fields = ""){
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$wheresql = array();
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if($fields!="")
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{
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$wheresql[] = " a.id IN ($fields) ";
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}
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if(count($wheresql)>0)
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{
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$wheresql = " WHERE ".join(",",$wheresql);
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}else{
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$wheresql = "";
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}
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$sql = "SELECT a.*,u.username,u.id as uid FROM ".$this->tbl_att." a
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LEFT JOIN tbl_member u ON a.userid=u.id
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$wheresql
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ORDER BY a.id DESC";
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$rs = $this->db->query($sql);
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$rows = $rs->fetchAll();
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return $rows;
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}
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/**
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* downloadFile
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*
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* 文件下载
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*
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* @param String $fullPath e.g. Zend_Registry::get('upload').$fileurl
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*
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* return file
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*/
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static function downloadFile( $fullPath ){
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//判断是否已经输出头部
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if( headers_sent() )
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{
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return false;
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}
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else{
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// Required for some browsers
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@apache_setenv('no-gzip', 1);
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@ini_set('zlib.output_compression', 0);
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// File Exists?
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if( file_exists($fullPath) ){
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// Parse Info / Get Extension
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$fsize = filesize($fullPath);
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$path_parts = pathinfo($fullPath);
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$ext = strtolower($path_parts["extension"]);
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// Determine Content Type
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switch ($ext) {
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case "pdf": $ctype="application/pdf"; break;
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case "exe": $ctype="application/octet-stream"; break;
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case "zip": $ctype="application/zip"; break;
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case "doc": $ctype="application/msword"; break;
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case "xls": $ctype="application/vnd.ms-excel"; break;
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case "ppt": $ctype="application/vnd.ms-powerpoint"; break;
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case "gif": $ctype="image/gif"; break;
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case "png": $ctype="image/png"; break;
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case "jpeg":
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case "jpg": $ctype="image/jpg"; break;
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default: $ctype="application/force-download";
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}
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header('Content-Description: File Transfer');
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header("Cache-Control: private",false);
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header("Content-Type: $ctype");
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header("Content-Disposition: attachment; filename=\"".basename($fullPath)."\";" );
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header("Content-Transfer-Encoding: binary\n");
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header("Expires: 0");
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header("Cache-Control: must-revalidate, post-check=0, pre-check=0");
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header("Pragma: public");
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header("Content-Length: ".$fsize);
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ob_clean();
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flush();
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if($fsize > 5*1024*1024)
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{
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$fp = fopen($fullPath, "r");
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while(!feof($fp)) {
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echo fgets($fp, 4096);
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}
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}
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if(readfile($fullPath))
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return true;
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else
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return false;
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} else
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{return false;}
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}
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} //文件下载
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} |