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一个在线打包备份并下载的代码zip
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一个在线打包备份并下载的代码zip 显示文件 /zip.php <?phpinclude ("seess.php");include ("config.php");$dirname=$u_user;if ( !IsSet($_GET['dirname']) ){ show_input_form() ;}else{ // check if empty if ( empty($_GET['dirname']) ) { hg_exit("请输入用户名!") ; } // check valid dirname if ( FALSE !== strpos($_GET['dirname'], "/") ) { hg_exit("\"/\" 是非法的文件夹名!") ; } if ( FALSE !== strstr($_GET['dirname'], "..") ) { hg_exit("\"..\" 是非法的文件夹名!") ; } // check valid dir if ( !is_dir($_GET['dirname']) ) { hg_exit("\"{$_GET['dirname']}\" 不是一个有效的文件夹!") ; } $szData = "" ; $szInfo = "" ; $file_count = @ZipDir($_GET['dirname'], &$szData, &$szInfo) ; $info_size_16byte = @sprintf("%016d", @strlen($szInfo)) ; $szData = @sprintf("%016d",$file_count) . $info_size_16byte . $szInfo . $szData ; $filename = $_GET['dirname'] . ".dat" ; if ( function_exists(gzencode) ) { $szData = gzencode($szData) ; $filename .= ".gz" ; } Header("Content-type: application/octet-stream"); Header("Accept-Ranges: bytes"); Header("Accept-Length: " . strlen($szData)); Header("Content-Disposition: attachment; filename=$filename"); echo $szData ;}function show_input_form(){ echo HtmlHead("文件打包") ; echo "<form name=\"input\">\n" . "请输入要打包的文件夹,注意,仅当前目录下的文件夹才可以下载!<p>\n" . "<input name=\"dirname\">\n" . "<input type=\"button\" value=\"确定\" onClick=\"show_download_link(dirname.value);\">\n" . "</form>\n" ; echo "<script>\n" . "input.dirname.focus();\n" . "function show_download_link(dir)\n" . "{" . " var top = (screen.height-200)/2 ;\n" . " var left = (screen.width-300)/2 ;\n" . " newwin=window.open('', '', 'width=300,height=200,top=' + top + ',left=' + left + ', resizable=0,scrollbars=auto');\n" . " url = \"{$_SERVER['PHP_SELF']}\" + \"?dirname=\" + dir ;\n" . " newwin.document.write('<a href=' + url + '>点击此链接下载，<br>或者右键点击此处选择\"另存为\"</a>');\n" . "}" . "</script>\n" ; echo HtmlFoot() ;}function ZipDir($szDirName, &$szData, &$szInfo){ // write dir header $szInfo .= "$szDirName|[dir]\n" ; $file_count = 0 ; $hDir = OpenDir($szDirName) ; while ( $file = ReadDir($hDir) ) { if ( $file=="." || $file==".." ) continue ; $szCurFile = "$szDirName/$file" ; if ( Is_Dir($szCurFile) ) { $file_count += ZipDir($szCurFile, &$szData, &$szInfo) ; } else if ( Is_File($szCurFile) ) { $hCurFile = fopen($szCurFile, "rb") ; $size = filesize($szCurFile) ; $szStream = fread( $hCurFile, $size ) ; fclose($hCurFile) ; $file_count++ ; // write info $szInfo .= "$szCurFile|$size\n" ; // write data $szData .= $szStream ; } } // write dir footer $szInfo .= "$szDirName|[/dir]\n" ; return $file_count ;}function hg_exit($str){ echo HtmlHead("Error, exit!") ; echo "<h5>" . $str . "</h5>" ; echo HtmlFoot() ; exit ;}function HtmlHead($title){ return "<html>\n\n<head>\n" . "<meta http-equiv=\"Content-Type\" content=\"text/html; charset=gb2312\">\n" . "<style type=\"text/css\">\n" . "body,input,td{font:12px verdana}\n" . "</style>\n" . "</head>\n\n<body>\n\n" ;}function HtmlFoot(){ return Copyright() . "\n</body>\n\n</html>" ;}function Copyright(){ return "<center><font size=\"5\" face=\"楷体_GB2312\" color=\"red\">使用完请立即删除本窗口并退出登录，以避免被其它人发现使用!</font></center>\n" . "<br><hr color=\"#003388\">\n" . "</body>\n" . "\n" . "</html>" ;}?> 一个在线打包备份并下载的代码zip
