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多文件上载系统完整版-PHP实例

<?php //多文件上载系统完整版 //功能强大,可任意控制上载文件数,是否覆盖 include("include/common.inc"); $title = "多个文件的上载程序"; include("include/header.inc"); //定义允许上载文件的数目 define("UPLOAD_NO", 10); echo("<p align='center'><font size='4' color='#000080'>欢迎您!<br>一次可以最多上载".UPLOAD_NO."个文件<br><HR>n"); if($REQUEST_METHOD!="POST"){     echo("<form enctype="multipart/form-data" method=post>n");     echo("<INPUT TYPE="hidden" name="MAX_FILE_SIZE" value="3000000">n");           for($i=1;$i<=UPLOAD_NO;$i++){         echo("<input type=file name=infile$i>   ");         if($i%2==0)         echo("<br>n");     }           echo("<br><br><input type="checkbox" name="overload" value="ON"></font> <font color='#ff0000'>是否覆盖已经存在的文件?</font>");     echo("<br><br><input type=submit value=上载></form>n"); } else{     //处理上载     $noinput = true;     for($i=1;$noinput&&($i<=UPLOAD_NO);$i++){          if(${"infile".$i}!="none") $noinput = false;     }     if($noinput){         echo("<font size='4' color='#000080'>没有选定的文件,返回重试</font>");         exit();     }     echo("<p align='center'><font size='4' color='#000080'>您选中的文件已经成功地上载到服务器的临时目录!</font><br>");              echo("<table border='1' width='84%' height='52' bordercolorlight='#008080' bordercolordark='#008080'>         <tr>             <td width='14%' bgcolor='#008000' height='21'><font color='#FFFFFF'>文件号</font></td>             <td width='52%' bgcolor='#008000' height='21'><font color='#FFFFFF'>文件名称</font></td>             <td width='34%' bgcolor='#008000' height='21'><font color='#FFFFFF'>文件大小</font></td>         </tr>");     for($i=1;$i<=UPLOAD_NO;$i++){         $just=${"infile".$i."_size"};         $fp_size[i] = $just;                   if($overload!=ON){             if(file_exists(AddSlashes(dirname($PATH_TRANSLATED))."\upload\".${"infile".$i."_name"}))                 echo "<font size='4' color='#ff0000'>您上载的文件<font color='#000000'>".${"infile".$i."_name"}."</font>已经存在,该文件拷贝失败!</font><br>";             else{                 if(${"infile".$i}!="none"&&copy;(${"infile".$i},AddSlashes(dirname($PATH_TRANSLATED))."/upload/".${"infile".$i."_name"})&&unlink(${"infile".$i})){                 $str = ${"infile".$i."_name"};                 echo("<tr>                     <td width='14%' height='19'>$i</td>                     <td width='52%' height='19'>$str</td>                     <td width='34%' height='19'>$fp_size[i]</td>                     </tr>");                   }             }         }         else{             if(${"infile".$i}!="none"&&copy;(${"infile".$i},AddSlashes(dirname($PATH_TRANSLATED))."upload".${"infile".$i."_name"})&&unlink(${"infile".$i})){                 $str = ${"infile".$i."_name"};                 echo("<tr>                     <td width='14%' height='19'>$i</td>                     <td width='52%' height='19'>$str</td>                     <td width='34%' height='19'>$fp_size[i]</td>                     </tr>");             }         }     }     echo "</table>";              } include("include/footer.inc");           ?>       

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