upload.php
<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
</head>
<body>
<form action="doAction.php" method="post" enctype="multipart/form-data">
请选择您要上传的文件：
<input type=‘file‘ name=‘myFile‘ />
<br />
<input type="submit" value="upload" />
</form>
</body>
</html>
doAction.php
<?php
//print_r($_FILES);
$filename=$_FILES[‘myFile‘][‘name‘];
$type=$_FILES[‘myFile‘][‘type‘];
$tmp_name=$_FILES[‘myFile‘][‘tmp_name‘];
$size=$_FILES[‘myFile‘][‘size‘];
$error=$_FILES[‘myFile‘][‘error‘];
//remove file
//move_uploaded_file($tmp_name,$destination);
//move_uploaded_file($tmp_name,"./".$filename);
//copy($src,$dst)
if($error == UPLOAD_ERR_OK)
{
if(move_uploaded_file($tmp_name,"./".$filename))
{
echo ‘upload success‘;
}
else
{
echo "upload failed";
}
}
else
{
switch($error)
{
case 1:
echo "error :1 --超过了php.ini文件中upload_max_filesize的值"
break;
case 2:
echo "error :2 --上传文件的大小超过了表单MAX_FILE_SIZE的值";
break;
case 3:
echo "error :3 --文件只有部分上传";
break;
case 4:
echo "error :4 --没有文件上传";
break;
case 6:
echo "error :6 --找不到临时文件夹";
break;
case 7:
echo "error :7 --写入失败";
break;
case 8:
echo "error :8 --上传的文件被php扩展程序中断";
break;
}
}
?>
原文：http://www.cnblogs.com/saryli/p/4328953.html