PHP文件上传

PHP中文件上传代码

   1.fileup.php 上传文件表单

  

代码
<html>
<head>
<title>文件上传</title>
</head>
<body>
<form enctype="multipart/form-data" action="up.php" method="POST">
    
<!-- MAX_FILE_SIZE must precede the file input field -->
    
<input type="hidden" name="MAX_FILE_SIZE" value="30000" />
    
<!-- Name of input element determines name in $_FILES array -->
    Send this file: 
<input name="userfile" type="file" />
    
<input type="submit" value="Send File" />
</form>
</body>
</html>

 

 

2 文件上传接收代码

  

代码
<?php
function uploadfile($type,$name,$ext,$size,$error,$tmp_name,$targetname,$upload_dir)
{
    
$MAX_SIZE=2000000;
    
$FILE_MIMES=array('image/pjpeg','image/jpeg','image/jpg','image/gif','image/png');
    
$FILE_EXTS=array(".gif",".jpg",".png",".GIF",".JPG",".PNG");
    
$file_path=$upload_dir.$targetname;
    
if(!is_dir($upload_dir))
    {
        
if(!mkdir($upload_dir))
        
die("文件上传目录不存在并且无法创建文件上传目录");
        
if(!chmod($upload_dir,0755))
        
die("文件上传目录的权限无法设定为可读可写");
    }
    
if($size>$MAX_SIZE)
    
die("文件过大");
    
if($size==0)
    
die("请选择上传文件");
    
if(!in_array($type,$FILE_MIMES)||!in_array($ext,$FILE_EXTS))
    
die("文件类型错误");
    
if(!move_uploaded_file($tmp_name,$file_path))
    
die("复制文件失败");
    
switch($error)
    {
        
case 0:
            
return ;
        
case 1:
            
die("上传的文件超过了 php.ini 中 upload_max_filesize 选项限制的值");
        
case 2:
            
die("上传文件的大小超过了 HTML 表单中 MAX_FILE_SIZE 选项指定的值");
        
case 3:
            
die("文件只有部分被上传");
        
case 4:
            
die("没有文件被上传");
    }

}
$name=$_FILES['userfile']['name'];
$arr=explode('.',$name);
$ext=".".$arr[count($arr)-1];
$reftime = localtime(time(), true);
                
$prftime = sprintf("%s-%s-%s-%s-%s-%s",
                                    
$reftime['tm_year']+1900,
                                    
$reftime['tm_mon']+1,
                                    
$reftime['tm_mday'],
                                    
$reftime['tm_hour'],
                                    
$reftime['tm_min'],
                                    
$reftime['tm_sec']
                                    );
$path=$_SERVER['DOCUMENT_ROOT']."/uploads/";
$tarName=$prftime.$ext;
$c=uploadfile($_FILES['userfile']['type'],$_FILES['userfile']['name'],$ext,$_FILES['userfile']['size'],$_FILES['userfile']['error'],$_FILES['userfile']['tmp_name'],$tarName,$path);
if($c==0)
{
    
echo "文件上传成功";
}
else
{
    
echo ("文件上传失败");
    
}
?>

 

 

posted @ 2010-03-25 09:45  孤城浪子  阅读(325)  评论(0编辑  收藏  举报
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