如何實(shí)現(xiàn)文件上傳的程序源碼_PHP教程

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如何實(shí)現(xiàn)文件上傳 ?

<HTML>
<HEAD>
<TITLE>文件上傳界面</TITLE>
</HEAD>
<BODY><TABLE><CENTER>
<?
if(UploadAction){
UploadAction=0;
TimeLimit=60;
/*設(shè)置超時(shí)限制時(shí)間默認(rèn)時(shí)間為 30s，設(shè)置為0時(shí)為不限時(shí) */
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(jié)";}
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��！"; }
}
else
{echo "文件 Upfile_name已經(jīng)存在！"; }
}
else
{echo "你沒有選擇任何文件上載！"; }
set_time_limit(30); //恢復(fù)默認(rèn)超時(shí)設(shè)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>

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