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888天前<?php |
class Test_Upload{ |
protected $_uploaded = array(); |
protected $_destination; |
protected $_max = 1024000; |
protected $_messages = array(); |
protected $_permited = array( |
'image/gif', |
'image/jpeg', |
'image/pjpeg', |
'image/png' |
); |
protected $_renamed = false; |
/** |
* |
* @param mix $path |
* |
*/ |
public function __construct($path){ |
if (!is_dir($path) || !is_writable($path)){ |
throw new Exception("文件名不可写，或者不是目录！"); |
} |
$this->_destination = $path; |
$this->_uploaded = $_FILES; |
} |
/** |
* 移动文件 |
* |
*/ |
public function move(){ |
$filed = current($this->_uploaded); |
$isOk = $this->checkError($filed['name'], $filed['error']); |
//debug ok |
if ($isOk){ |
$sizeOk = $this->checkSize($filed['name'], $filed['size']); |
$typeOk = $this->checkType($filed['name'], $filed['type']); |
if ($sizeOk && $typeOk){ |
$success = move_uploaded_file($filed['tmp_name'], $this->_destination.$filed['name']); |
if ($success){ |
$this->_messages[] = $filed['name']."文件上传成功"; |
}else { |
$this->_messages[] = $filed['name']."文件上传失败"; |
} |
} |
} |
} |
/** |
* 查询messages数组内容 |
* |
*/ |
public function getMessages(){ |
return $this->_messages; |
} |
/** |
* 检测上传的文件大小 |
* @param mix $string |
* @param int $size |
*/ |
public function checkSize($filename, $size){ |
if ($size == 0){ |
return false; |
}else if ($size > $this->_max){ |
$this->_messages[] = "文件超出上传限制大小".$this->getMaxsize(); |
return false; |
}else { |
return true; |
} |
} |
/** |
* 检测上传文件的类型 |
* @param mix $filename |
* @param mix $type |
*/ |
protected function checkType($filename, $type){ |
if (!in_array($type, $this->_permited)){ |
$this->_messages[] = "该文件类型是不被允许的上传类型"; |
return false; |
}else { |
return true; |
} |
} |
/** |
* 获取文件大小 |
* |
*/ |
public function getMaxsize(){ |
return number_format($this->_max / 1024, 1).'KB'; |
} |
/** |
* 检测上传错误 |
* @param mix $filename |
* @param int $error |
* |
*/ |
public function checkError($filename, $error){ |
switch ($error){ |
case 0 : return true; |
case 1 : |
case 2 : $this->_messages[] = "文件过大！"; return true; |
case 3 : $this->_messages[] = "错误上传文件！";return false; |
case 4 : $this->_messages[] = "没有选择文件!"; return false; |
default : $this->_messages[] = "系统错误!"; return false; |
} |
} |
} |
?> |
//该片段来自于http://yuncode.net |
