PHP實例：實現文件上傳的程序源碼

2024-05-04 23:05:43

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注冊會員，創建你的web開發資料庫，

如何實現文件上傳？

以下為引用的內容：

<html>
<head>
<title>文件上傳界面</title>
</head>
<body><table><center>
<?
if($uploadaction){
$uploadaction=0;
$timelimit=60;
/*設置超時限制時間默認時間為 30s，設置為0時為不限時 */
set_time_limit($timelimit);
if(($upfile != "none")&&
($upfile != ""))
{
$filepath="d:/web/web/php/test"; //上載文件存放路徑
$filename=$filepath.$upfile_name;
if($upfile_size <1024) //上載文件大小
{$filesize = (string)$upfile_size . "字節";}
elseif($upfile_size <(1024 * 1024))
{
$filesize = number_format((double)($upfile_size / 1024), 1) . " kb";
}
else
{
$filesize = number_format((double)($upfile_size/(1024*1024)),1)."mb";
}
if(!file_exists($filename))
{
if(copy($upfile,$filename))
{unlink($upfile);
echo "<br><br>/n";
echo "文件 $upfile_name 已上載成功！";
echo "<br><br>/n";
echo "文件位置：$filename";
echo "<br><br>/n";
echo "文件大小：$filesize";
echo "<br><br>/n";
}
else
{echo "文件 $upfile_name上載失敗！"; }
}
else
{echo "文件 $upfile_name已經存在！"; }
}
else
{echo "你沒有選擇任何文件上載！"; }
set_time_limit(30); //恢復默認超時設置
}
?>
<form enctype = "multipart/form-data" name = "submitform"
action = "default.php" method = "post">
<input type = "hidden" name = "max_file_size" value ="1000000">
<input type = "hidden" name = "uploadaction" value = "1">
<tr><td><input name = "upfile" type = "file" size = "30"></td>
</tr><tr><td><input name = "submit" value = "提交" type = "submit">
<input name = "reset" value = "重置" type = "reset"></td>
</tr></form></center></table>
</body>
</html>