skymvc/library/cls_upload.php

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<?php
if(!defined("ROOT_PATH")){
	define("ROOT_PATH",dirname(str_replace("\\", "/", dirname(__FILE__)))."/");
}
class upload{
	public $allowtype=array("gif","jpg","bmp","png",'jpeg',"webp");//允许上传的文件类型
	public $sysallowtype=array('gif','jpg','bmp','png','jpeg',"webp",'txt','mpeg',"mp4","ogg",'avi','rm','rmvb','wmv','flv','mp3','wav','wma','swf','doc','pdf','zip','tar','svg');
	//系统默认允许上传
	//上传文件夹
	public $uploaddir="attach/uploads/";
	public $maxsize=4194304000;
	//是否图片上传
	public $upimg=true;
	public $safecheck=true;
	//根据id来分文件夹 可以根据id来删除整个文件夹防止垃圾文件
	public $iddir=0;
	function __construct()
	{
		
	}
	
	function uploadfile($file)
	{
		$FILE=$_FILES[$file];
		 
		//判断文件大小是否符合要求
		if($FILE['size'] > $this->maxsize or $FILE['size']==0) {
			@unlink($FILE['tmp_name']);
			return array('err'=>'上传文件过大','filename'=>'');
		}
		 
		
		if($this->iddir){
			$uploaddir=$this->uploaddir.$this->dirId($this->iddir);
		}else{
			$uploaddir=$this->uploaddir.date("Y/m/d")."/";
		}
		$this->umkdir($uploaddir);
		$bname=basename($FILE['name']);
		$f_type=strtolower(trim(substr(strrchr($bname, '.'), 1)));//获取文件后缀名
		if(!in_array($f_type,$this->allowtype)){
			return array('err'=>'文件格式'.$f_type.'禁止上传','filename'=>'');
		}
		//判断文件是否合法
		$fileType=$this->getTrueType($FILE['tmp_name'],$FILE['name']);
		if(!in_array($fileType,$this->sysallowtype) || !in_array($fileType,$this->allowtype)){
				@unlink($FILE['tmp_name']);
				return array('err'=>'文件格式'.$fileType.'禁止上传','filename'=>$FILE['name']);
		}
		$f= md5(time().$FILE['name']);
		$uploadfile=$uploaddir.$f.".$f_type";
		if($this->upimg==true)
		{			
			$fs=getimagesize($FILE['tmp_name']);
			
			if($fs[0]<5 || $fs[1]<5)
			{
				@unlink($FILE['tmp_name']);
				return  array("err"=>'图像必须大于5像素','filename'=>$FILE['name']);
			}else{