PHP上传类,分享给大家,不足之处请见谅!
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<!-- Code highlighting produced by Actipro CodeHighlighter (freeware) http://www.CodeHighlighter.com/ --> /* * * 文件上传类 kangyangyang 2010-06-07 * $loadfile 要上传的文件的文件域 * $loadpath 文件存放路径 * $loadhold 保留文件原名 * $loadsize 文件大小限制 //默认是2048KB * $loadtype 文件类型限制 //默认支持 jpg|jpeg|gif|png|txt|rar|zip * */ class uploadfile{ private $loadfile; private $loadpath; private $loadsize; private $loadtype; private $loadhold = false; private $chkfile = true; private $file_name; private $extend_type; private $set_name; private $set_size; private $set_path; private $set_create_name; private $get_error; //构造函数 function __construct($loadfile,$loadpath,$loadhold = false,$loadsize="2097152",$loadtype="jpg|jpeg|gif|png|txt|rar|zip"){ $this->loadfile = $loadfile; $this->loadpath = $loadpath; $this->loadsize = $loadsize; $this->loadtype = $loadtype; $this->loadhold = $loadhold; $this->filecheck(); } //文件上传 function filecheck(){ $filename = $_FILES[$this->loadfile]['name']; //文件名 $filetype = $_FILES[$this->loadfile]['type']; //文件类型 $filesize = $_FILES[$this->loadfile]['size']; //文件大小 $filepath = $_FILES[$this->loadfile]['tmp_name']; //临时文件 $fileerror= $_FILES[$this->loadfile]['error']; //错误代码 if($fileerror loadsize >= $filesize){ $this->set_size = $filesize; $ext = explode(".",$filename); $this->set_name = $ext; $ext_type = strtolower($ext[count($ext)-1]); $this->extend_type = $ext_type; $chk_type = explode("|",$this->loadtype); if(in_array($ext_type,$chk_type)){ $f_path = $this->get_folder(); $this->set_create_name = $createname = time().rand(1,9999); $this->file_name = $createname.".".$ext_type; if($this->loadhold){ $file_path = $f_path.$filename; $this->set_path = $file_path; }else{ $file_path = $f_path.$this->file_name; $this->set_path = $file_path; } $ckfile = move_uploaded_file($filepath,$file_path); if(!$ckfile){ $this->chefile = false; } }else{ $this->chkfile = false; } }else{ $this->chkfile = false; } }else{ $this->chkfile = false; $this->get_error = $fileerror; } } //生成的文件名 function get_CreateName(){ if($this->CheckFile()){ if(!$this->loadhold){ return $this->set_create_name; } } } //返回文件夹路径 function get_folder(){ if($this->CheckFile()){ if(!file_exists($this->loadpath)){ mkdir($this->loadpath,0777,true); chmod($this->loadpath,0777); } return $this->loadpath; } } //文件扩展名 function get_type(){ if($this->CheckFile()){ return $this->extend_type; } } //文件名"不包括扩展名" function get_name(){ if($this->CheckFile()){ $filename = $this->set_name; unset($filename[count($filename)-1]); return implode(".",$filename); } } //返回文件大小 function get_size(){ if($this->CheckFile()){ return $this->set_size; } } //返回文件全路径 function get_path(){ if($this->CheckFile()){ return $this->set_path; } } //文件是否上传成功 function CheckFile(){ return $this->chkfile; } //获取错误代码 function get_error(){ if($this->CheckFile()){ return $this->get_error; } } }