PHP中解压RAR文件

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title>PHP解压RAR文件</title> 
<link rel="stylesheet" type="text/css" href="style.css">
<style type="text/css">
<!-- .STYLE1 {color: #FF0000} -->
</style>
</head>
<script language="javascript">
function chkinput(form){
 if(form.sourcefile.value==""){
 alert("请选择要解压的文件地址!");
 form.sourcefile.select();
 return(false);
 }
 if(form.objfile.value==""){
 alert("请输入解压文件存储地址!");
 form.objfile.select();
 return(false);
 }
 return(true);
}
</script>
<body>
<table width="300" height="166" border="0" align="center" cellpadding="0" cellspacing="0">
 <tr>
 <td background="images/back.gif">
<table width="300" border="0" cellpadding="0" cellspacing="0">
 <form name="form1" method="post" action="index.php" onsubmit="return chkinput(this)">
 <tr> <td height="50" colspan="2"> </td> </tr>
 <tr> <td width="100" height="25"><div align="right">RAR文件地址:</div></td> <td width="200"> <input type="file" name="sourcefile" size="18" class="inputcss"> </td> </tr>
 <tr> <td height="25"><div align="right">解压后存储目录:</div></td> <td height="25"> <input type="text" name="objfile" size="18" class="inputcss"> (c:\目录名)</td> </tr>
 <tr> <td height="20" colspan="2"> <div align="center" class="STYLE1">注意:解压文件的路径不应有空格</div></td> </tr>
 <tr> <td colspan="2"><div align="center"> <input type="submit" name="submit" value="解压" class="buttoncss" /> </div></td> </tr> </form> </table></td> </tr>
</table>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title>PHP解压RAR文件</title> 
<link rel="stylesheet" type="text/css" href="style.css">
<style type="text/css">
<!-- .STYLE1 {color: #FF0000} -->
</style>
</head>
<script language="javascript">
function chkinput(form){
 if(form.sourcefile.value==""){
 alert("请选择要解压的文件地址!");
 form.sourcefile.select();
 return(false);
 }
 if(form.objfile.value==""){
 alert("请输入解压文件存储地址!");
 form.objfile.select();
 return(false);
 }
 return(true);
}
</script>
<body>
<table width="300" height="166" border="0" align="center" cellpadding="0" cellspacing="0">
 <tr>
 <td background="images/back.gif">
<table width="300" border="0" cellpadding="0" cellspacing="0">
 <form name="form1" method="post" action="index.php" onsubmit="return chkinput(this)">
 <tr> <td height="50" colspan="2"> </td> </tr>
 <tr> <td width="100" height="25"><div align="right">RAR文件地址:</div></td> <td width="200"> <input type="file" name="sourcefile" size="18" class="inputcss"> </td> </tr>
 <tr> <td height="25"><div align="right">解压后存储目录:</div></td> <td height="25"> <input type="text" name="objfile" size="18" class="inputcss"> (c:\目录名)</td> </tr>
 <tr> <td height="20" colspan="2"> <div align="center" class="STYLE1">注意:解压文件的路径不应有空格</div></td> </tr>
 <tr> <td colspan="2"><div align="center"> <input type="submit" name="submit" value="解压" class="buttoncss" /> </div></td> </tr> </form> </table></td> </tr>
</table>

<?php
if($_POST[submit]!=""){
$sourcefile=$_POST[sourcefile];
$objfile=$_POST[objfile];
$sourcefile=str_replace(chr(32)," ",$sourcefile);
$obj=new com("wscript.shell");
$obj->run("WinRAR x-r-o ".$sourcefile." ".$objfile."",1,true);
echo "<script>alert('文件解压完成!');</script>";
}
?>
 </body>
</html>
 </body>
</html>
function.php:
<?php 
function unhtml($content) { 
$content=htmlspecialchars($content); 
$content=str_replace(chr(13),"<br>",$content); 
$content=str_replace(chr(32)," ",$content); 
$content=str_replace("【","<",$content); 
$content=str_replace("】",">",$content); 
$content=str_replace("|_|"," ",$content); return trim($content); } 
?>

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