预备知识：Javascript, PHP(少量)/Perl(少量)!
测试环境：Windows2000 + IIS5 + PHP (Win98 + PWS + PHP3 失败，估计是配置出了问题)
目录结构：
/wwwroot/cgi-bin/fileup.php （文件接收）
/wwwroot/www/test/phpfileup.htm （文件提交）
/wwwroot/www/test/tmp/ （默认保存目录）
前言：文件上传，简单又麻烦。下面是上传文件的提交页面，利用该页面你不仅可以生成 1000 个上传文件框（实际是任意多个 0~n ），而且可分别指出它们的保存路径。
提交页面的文件输入框为命名为： file0,file1,...file100,...fileN
提交页面的文件路径框为命名为： path0,path1,...path100,...pathN
由于页面的生成非常简单，所以就不在此多解释了，用 javascript 定义了两个函数，check() 用于提交页面，create()用于生成文件上传框。如果你有什么更好的建议或有什么疑问请 Email: gearsoft@netease.com
phpfileup.htm
--------------------------------------------------------
<html>
<head>
<title></title>
<style>
.lbtn {font-family:verdana;font-size:10.5pt;}
.ist {font-family:verdana;font-size:14.8px;size:400}
</style>
<script LANGUAGE="javascript"> <br>function check(){ <br>document.frm1.submit(); <br>document.body.innerHTML="Uploading Please wait!"; <br>} <br><br>var i=0; <br>function create(){ <br>var sfrm = document.frm1.innerHTML; <br>var icnt = cnt.value; <br>for(j=0;j<icnt;j++) <br>{ <br>sfrm = sfrm + "请选择文件 "+i+" <input type=file name='file"+i+"' class=ist>"; <br>sfrm = sfrm + " 路径：<input type=text name='path"+i+"' value='../www/test/tmp/' class=ist>"; <br>sfrm = sfrm + "<br>"; <br>i++; <br>} <br>document.frm1.innerHTML = sfrm; <br>document.frm1.cnt.value=i; <br>} <br><br></script> </P>
<P></head> <br><body class=lbtn onload="document.frm1.cnt.value=cnt.value;"> <br>请输入要上传文件的数量: <input type=text name=cnt value="10" class=ist onchange="document.frm1.cnt.value=this.value;"> <br><input type=button name=bt1 value="生成上传文件框" onclick="create();" class=lbtn> <br><input type=button name=bt1 value="上传" onclick="check();" class=lbtn> <br><input type=button name=bt1 value="清除" onclick="document.location.reload();" class=lbtn> <br><br><form name=frm1 method="post" Enctype="multipart/form-data" action="../../cgi-bin/fileup.php"> <br><input type=hidden name=cnt value="20" class=ist> <br></form> <br><br><input type=button name=bt1 value="上传" onclick="check();" class=lbtn> <br><input type=button name=bt1 value="清除" onclick="document.location.reload();" class=lbtn> <br></body> <br></html> <br>文件提交页面既已生成，下面任务就很明确了：将提交的文件内容保存到服务器上。 </P>
<P></P>
<P>下面我们用两种方法来实现这个功能： </P>
<P>1. 用 PHP 来保存： <br>我们先定义一个文件保存函数 fup() 它有两个参数： <br>$filename: 文件内容 <br>$fname: 文件名（包含路径） <br>剩下的就是写一个循环将文件依次写入服务器。这里要简单说明一下： <br>PHP 对于上传文件的处理是这样的：如果提交的文件框我为 file0, 那么提交给 PHP 的文件内容保存在变量 $file0 中，而文件名则保存在 $file0_name 中。这样在这个循环中我要做的就是将提交页面提交的内容分解出来，实现过程请看下面的代码。 </P>
<P>fileup.php <br>---------------------------------------------------------------------- <br><? <br>function fup($filename,$fname) <br>{ If($filename != "none") { <br>copy($filename,$fname); <br>unlink($filename); <br>} <br>} </P>
<P>for($i=0;$i<$cnt;$i++) <br>{ <br>$ffnn="file".$i; <br>$ffnnname=$ffnn."_name"; <br>$ffpath="path".$i; <br><br>//print $$ffnn; <br>print $$ffnnname; <br>print "<br>"; <br><br>fup($$ffnn,$$ffpath.$$ffnnname); //"../www/test/tmp/" <br>} <br>?> <br>---------------------------------------------------------------------- </P>
<P>2. 用 PERL 来保存： <br>它们实现的原理完全一样，在此不多说，请看代码： </P>
<P>fileup.cgi(fileup.pl) <br>---------------------------------------------------------------------- <br>#!/usr/bin/perl </P>
<P>use CGI qw/:standard/; </P>
<P>if ($ENV{'CONTENT_TYPE'} !~ /multipart/form-data/) { <br>print "Cache-Control: no-cachenPragma: no-cachen" . <br>"Content-Type: text/htmlnn" . <br>"<html><body>Your web browser cannot upload files. Sorry.</body></html>"; <br>exit 0; <br>} </P>
<P><br>$cntfile=param('cnt'); <br>print header; <br>print start_html; <br>#print "Receiving Please wait...."; </P>
<P>&g_head; </P>
<P>#$writed = '../www/test/tmp/'; </P>
<P>for ($i=0;$i<$cntfile;$i++){ <br>$paramfile = 'file'.$i; <br>$parampath='path'.$i; <br><br>$writed=param($parampath); </P>
<P>&upfile; <br>&g_body; <br>} </P>
<P>&g_bott; </P>
<P>#<<<<<<<<<<<<<<<<<<<<<以下为自定义过程<<<<<<<<<<<<<<<<<<<<<<<<< </P>
<P>sub upfile <br>{ <br>$maxdata = 512000; <br># $writed = '../www/test/tmp/'; </P>
<P><br>$strRFname=reverse $xfile; <br>$intIndex=index($strRFname,'\'); <br>$strNetFname=substr($strRFname,0,$intIndex); <br>$strNetFname=scalar reverse $strNetFname; <br><br><br>if((stat $xfile)[7]>$maxdata){ <br>print "Status: 411 Size Not Allowedn" . <br>"Content-Type: text/htmlnAllow: POSTnn" . <br>"<html><head><title>411 411 Size Not Allowed</title></head><body><h1> You got big problem. Try again.</h1></body></html>n"; <br>exit 0; <br>} <br><br><br>binmode $xfile; <br>use File::Copy; <br>copy($xfile,$writed.$strNetFname); <br>} </P>
<P>sub g_head{ <br>print '<table border=1 align=center>'; <br>print '<tr><td colspan=3 align=center>文件上传结果(Upload Result)</td></tr>'; <br>print '<tr align=center>'; <br>print ' <td>SourceFile:</td>'; <br>print ' <td>DestFile:</td>'; <br>print ' <td>Upload</td>'; <br>print '</tr>'; <br>} </P>
<P>sub g_body{ <br>print '<tr>'; <br>print ' <td>'.$xfile .'</td>'; <br>print ' <td>'.$writed.$strNetFname.'</td>'; <br>print ' <td>OK!</td>'; <br>print '</tr>'; <br>} </P>
<P>sub g_bott{ <br>print '</table>'; <br>} <br>---------------------------------------------------------------------- <br>如有好的建议请 Email: gearsoft@netease.com </P>
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