本文实例介绍了php打包网站并在线压缩为zip的方法，分享给大家供大家参考，具体内容如下
<?php//在URL后参加 ?pwd=密码 查看生成密码$password = "8baa717e6265d1c1d762cc896151f821"; //l23?><!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" dir="ltr"><head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /><title>php ZIP压缩程序</title><style type="text/css"><!--html{background:#f9f9f9;}body{background:#fff;color:#333;font-family:sans-serif;margin:2em auto;width:700px;padding:1em 2em;-moz-border-radius:11px;-khtml-border-radius:11px;-webkit-border-radius:11px;border-radius:11px;border:1px solid #dfdfdf;}a{color:#2583ad;text-decoration:none;}a:hover{color:#d54e21;}h1{border-bottom:1px solid #dadada;clear:both;color:#666;font:24px Georgia,"Times New Roman",Times,serif;margin:5px 0 0 -4px;padding:0;padding-bottom:7px;}h2{font-size:16px;}p,li,dd,dt{padding-bottom:2px;font-size:12px;line-height:18px;}code,.code{font-size:13px;}ul,ol,dl{padding:5px 5px 5px 22px;}a img{border:0;}abbr{border:0;font-variant:normal;}#logo{margin:6px 0 14px 0;border-bottom:none;text-align:center;}.step{margin:20px 0 15px;}.step,th{text-align:left;padding:0;}.submit input,.button,.button-secondary{font-family:sans-serif;text-decoration:none;font-size:14px!important;line-height:16px;padding:6px 12px;cursor:pointer;border:1px solid #bbb;color:#464646;-moz-border-radius:15px;-khtml-border-radius:15px;-webkit-border-radius:15px;border-radius:15px;-moz-box-sizing:content-box;-webkit-box-sizing:content-box;-khtml-box-sizing:content-box;box-sizing:content-box;}.button:hover,.button-secondary:hover,.submit input:hover{color:#000;border-color:#666;}textarea{border:1px solid #bbb;-moz-border-radius:3px;-khtml-border-radius:3px;-webkit-border-radius:3px;border-radius:3px;}.form-table{border-collapse:collapse;margin-top:1em;width:100%;}.form-table td{margin-bottom:9px;padding:10px;border-bottom:8px solid #fff;font-size:12px;}.form-table th{font-size:13px;text-align:left;padding:16px 10px 10px 10px;border-bottom:8px solid #fff;width:130px;vertical-align:top;}.form-table tr{background:#f3f3f3;}.form-table code{line-height:18px;font-size:18px;}.form-table p{margin:4px 0 0 0;font-size:11px;}.form-table input{line-height:20px;font-size:15px;padding:2px;}.form-table th p{font-weight:normal;}#error-page{margin-top:50px;}#error-page p{font-size:12px;line-height:18px;margin:25px 0 20px;}#error-page code,.code{font-family:Consolas,Monaco,monospace;}#pass-strength-result{background-color:#eee;border-color:#ddd!important;border-style:solid;border-width:1px;margin:5px 5px 5px 1px;padding:5px;text-align:center;width:200px;display:none;}#pass-strength-result.bad{background-color:#ffb78c;border-color:#ff853c!important;}#pass-strength-result.good{background-color:#ffec8b;border-color:#fc0!important;}#pass-strength-result.short{background-color:#ffa0a0;border-color:#f04040!important;}#pass-strength-result.strong{background-color:#c3ff88;border-color:#8dff1c!important;}.message{border:1px solid #e6db55;padding:.3em .6em;margin:5px 0 15px;background-color:#ffffe0;}.mydirname {color:#F00;}.myfilename {color:#649ABE;}.currentdir {font-size:14px;font-family: Georgia, Consolas;font-weight:bold;}#footer {text-align:center;margin-top:20px;}--></style></head> <body> <form name="myform" id="myform" method="post" action="<?php echo $_SERVER["PHP_SELF"];?>"><h1 style="color:#2583ad;">在线压缩ZIP文件程序</h1><br> <div> <p>使用方法:选定要压缩的文件或目录（包含子目录），即可开始压缩。压缩的结果保留原来的目录结构。<br /> <?php if(isset($_REQUEST["pwd"]) && md5($_REQUEST["pwd"]) == $password) echo "当前目录：<span>". dirname(__FILE__) . "</span> <a href="". $_SERVER["PHP_SELF"]. "">退出</a>"; else if(isset($_GET["pwd"]) ) echo "密码值：<span>". md5($_GET["pwd"]) . "</span>"; else echo "Tips:在URL后参加<span>?pwd=密码</span> 查看生成密码."; ?> </p></div><?if(!isset($_REQUEST["myaction"])):?><table width="100%" border="0" cellspacing="0" cellpadding="0"> <tr> <td width="11%">验证密码: </td> <td width="89%"><input name="pwd" type="password" id="password" size="30" onkeydown="if(event.ctrlKey&&event.keyCode==13){document.getElementById("login").click();return false};"></td> </tr> <tr> <td><input name="myaction" type="hidden" id="myaction" value="dolist"></td> <td><input type="submit" name="Submit" id="login" value=" 进 入 "></td> </tr> </table> <script type="text/javascript"> document.getElementById("password").focus(); </script><? elseif($_REQUEST["myaction"]=="dolist"): if(!isset($_REQUEST["pwd"]) || empty($_REQUEST["pwd"]) ) die("请输入密码! <a href="". $_SERVER["PHP_SELF"]. "">Again</a>"); if(md5($_REQUEST["pwd"]) != $password) die("输入的密码不正确！<a href="". $_SERVER["PHP_SELF"]. "">Again</a>");echo "选择要排除的目录(相对路径，以英文半角逗号分隔):<br />";echo "<input type="text" id="toexlude" name="toexlude" size="100" /><br />"; echo "选择要压缩的文件或目录：<br/>"; $fdir = opendir("./"); while($file=readdir($fdir)){ if($file=="."|| $file==".." ) continue; echo "<input name="dfile[]" type="checkbox" value="$file" ".($file==basename(__FILE__)?"":"checked")."> "; if(is_file($file)){ echo "<span>文件: $file</span><br>"; }else{ echo "<span>目录: $file</span><br>"; } }?><br>压缩文件保存到目录:<input name="todir" type="text" id="todir" value="_zipfiles<?php echo substr(md5(time()),0,8);?>_" size="20">(留空为本目录,必须有写入权限)<br>压缩文件名称:<input name="zipname" type="text" id="zipname" value="backup_<?php echo substr(md5(__FILE__),0,8);?>.zip" size="15">(.zip)<br><br><input name="pwd" type="hidden" id="password" value="<?php echo $_POST["pwd"];?>"><input name="myaction" type="hidden" id="myaction" value="dozip"><input type="button" value="反选" onclick="selrev();"><input type="submit" name="Submit" value=" 开始压缩 "><script language="javascript">function selrev() { with(document.getElementById("myform")){ for(i=0;i<elements.length;i++) { thiselm = elements[i]; if(thiselm.name.match(/dfile[]/)) thiselm.checked = !thiselm.checked; } }}</script><? elseif($_REQUEST["myaction"]=="dozip"): // set_time_limit(0); class PHPzip{ var $file_count = 0 ; var $datastr_len = 0; var $dirstr_len = 0; var $filedata = ""; //该变量只被类外部程序访问 var $gzfilename; var $fp; var $dirstr=""; /* 返回文件的修改时间格式. 只为本类内部函数调用. */ function unix2DosTime($unixtime = 0) { $timearray = ($unixtime == 0) ? getdate() : getdate($unixtime); if ($timearray["year"] < 1980) { $timearray["year"] = 1980; $timearray["mon"] = 1; $timearray["mday"] = 1; $timearray["hours"] = 0; $timearray["minutes"] = 0; $timearray["seconds"] = 0; } return (($timearray["year"] - 1980) << 25) | ($timearray["mon"] << 21) | ($timearray["mday"] << 16) | ($timearray["hours"] << 11) | ($timearray["minutes"] << 5) | ($timearray["seconds"] >> 1); } /* 初始化文件,建立文件目录, 并返回文件的写入权限. */ function startfile($path = "myzip.zip"){ $this->gzfilename=$path; $mypathdir=array(); do{ $mypathdir[] = $path = dirname($path); }while($path != "."); @end($mypathdir); do{ $path = @current($mypathdir); @mkdir($path); }while(@prev($mypathdir)); if($this->fp=@fopen($this->gzfilename,"w")){ return true; } return false; } /* 添加一个文件到 zip 压缩包中. */ function addfile($data, $name){ $name = str_replace("\", "/", $name); if(strrchr($name,"/")=="/") return $this->adddir($name); $dtime = dechex($this->unix2DosTime()); $hexdtime = "x" . $dtime[6] . $dtime[7] . "x" . $dtime[4] . $dtime[5] . "x" . $dtime[2] . $dtime[3] . "x" . $dtime[0] . $dtime[1]; eval("$hexdtime = "" . $hexdtime . "";"); $unc_len = strlen($data); $crc = crc32($data); $zdata = gzcompress($data); $c_len = strlen($zdata); $zdata = substr(substr($zdata, 0, strlen($zdata) - 4), 2); //新添文件内容格式化: $datastr = "x50x4bx03x04"; $datastr .= "x14x00"; // ver needed to extract $datastr .= "x00x00"; // gen purpose bit flag $datastr .= "x08x00"; // compression method $datastr .= $hexdtime; // last mod time and date $datastr .= pack("V", $crc); // crc32 $datastr .= pack("V", $c_len); // compressed filesize $datastr .= pack("V", $unc_len); // uncompressed filesize $datastr .= pack("v", strlen($name)); // length of filename $datastr .= pack("v", 0); // extra field length $datastr .= $name; $datastr .= $zdata; $datastr .= pack("V", $crc); // crc32 $datastr .= pack("V", $c_len); // compressed filesize $datastr .= pack("V", $unc_len); // uncompressed filesize fwrite($this->fp,$datastr); //写入新的文件内容 $my_datastr_len = strlen($datastr); unset($datastr); //新添文件目录信息 $dirstr = "x50x4bx01x02"; $dirstr .= "x00x00"; // version made by $dirstr .= "x14x00"; // version needed to extract $dirstr .= "x00x00"; // gen purpose bit flag $dirstr .= "x08x00"; // compression method $dirstr .= $hexdtime; // last mod time & date $dirstr .= pack("V", $crc); // crc32 $dirstr .= pack("V", $c_len); // compressed filesize $dirstr .= pack("V", $unc_len); // uncompressed filesize $dirstr .= pack("v", strlen($name) ); // length of filename $dirstr .= pack("v", 0 ); // extra field length $dirstr .= pack("v", 0 ); // file comment length $dirstr .= pack("v", 0 ); // disk number start $dirstr .= pack("v", 0 ); // internal file attributes $dirstr .= pack("V", 32 ); // external file attributes - "archive" bit set $dirstr .= pack("V",$this->datastr_len ); // relative offset of local header $dirstr .= $name; $this->dirstr .= $dirstr; //目录信息 $this -> file_count ++; $this -> dirstr_len += strlen($dirstr); $this -> datastr_len += $my_datastr_len; } function adddir($name){ $name = str_replace("\", "/", $name); $datastr = "x50x4bx03x04x0ax00x00x00x00x00x00x00x00x00"; $datastr .= pack("V",0).pack("V",0).pack("V",0).pack("v", strlen($name) ); $datastr .= pack("v", 0 ).$name.pack("V", 0).pack("V", 0).pack("V", 0); fwrite($this->fp,$datastr); //写入新的文件内容 $my_datastr_len = strlen($datastr); unset($datastr); $dirstr = "x50x4bx01x02x00x00x0ax00x00x00x00x00x00x00x00x00"; $dirstr .= pack("V",0).pack("V",0).pack("V",0).pack("v", strlen($name) ); $dirstr .= pack("v", 0 ).pack("v", 0 ).pack("v", 0 ).pack("v", 0 ); $dirstr .= pack("V", 16 ).pack("V",$this->datastr_len).$name; $this->dirstr .= $dirstr; //目录信息 $this -> file_count ++; $this -> dirstr_len += strlen($dirstr); $this -> datastr_len += $my_datastr_len; } function createfile(){ //压缩包结束信息,包括文件总数,目录信息读取指针位置等信息 $endstr = "x50x4bx05x06x00x00x00x00" . pack("v", $this -> file_count) . pack("v", $this -> file_count) . pack("V", $this -> dirstr_len) . pack("V", $this -> datastr_len) . "x00x00"; fwrite($this->fp,$this->dirstr.$endstr); fclose($this->fp); } } if(!trim($_REQUEST["zipname"])) $_REQUEST["zipname"] = "backup_".substr(md5(__FILE__),0,8). ".zip"; else $_REQUEST["zipname"] = trim($_REQUEST["zipname"]); if(!strrchr(strtolower($_REQUEST["zipname"]),".")==".zip") $_REQUEST["zipname"] .= ".zip"; $_REQUEST["todir"] = str_replace("\","/",trim($_REQUEST["todir"])); if(!strrchr(strtolower($_REQUEST["todir"]),"/")=="/") $_REQUEST["todir"] .= "/"; if($_REQUEST["todir"]=="/") $_REQUEST["todir"] = "./"; function listfiles($dir="."){ global $faisunZIP; $sub_file_num = 0; if(is_file($dir)){ if(realpath($faisunZIP->gzfilename)!=realpath($dir)){ $faisunZIP -> addfile(implode("",file($dir)),$dir); return 1; } return 0; } $handle=opendir($dir); //添加排除 $to_exlude = !empty($_POST["toexlude"]) ? $_POST["toexlude"] :""; $exlude = empty($to_exlude) ? array() : explode(",",$to_exlude); while ($file = readdir($handle)) { if($file=="."||$file==".." || $file == "wp-content" )continue; if(is_dir("$dir/$file") && !in_array("$dir/$file",$exlude) ) { $sub_file_num += listfiles("$dir/$file"); } else { if(realpath($faisunZIP ->gzfilename)!=realpath("$dir/$file")){ $faisunZIP -> addfile(implode("",file("$dir/$file")),"$dir/$file"); $sub_file_num ++; } } } closedir($handle); if(!$sub_file_num) $faisunZIP -> addfile("","$dir/"); return $sub_file_num; } function num_bitunit($num){ $bitunit=array(" B"," KB"," MB"," GB"); for($key=0;$key<count($bitunit);$key++){ if($num>=pow(2,10*$key)-1){ //1023B 会显示为 1KB $num_bitunit_str=(ceil($num/pow(2,10*$key)*100)/100)." $bitunit[$key]"; } } return $num_bitunit_str; } if(is_array($_REQUEST["dfile"])){ $faisunZIP = new PHPzip; if($faisunZIP -> startfile($_REQUEST["todir"].$_REQUEST["zipname"])){ echo "正在添加压缩文件...<br><br>"; $filenum = 0; foreach($_REQUEST["dfile"] as $file){ if(is_file($file)){ echo "<span>文件: $file </span><br>"; }else{ echo "<span>目录: $file </span><br>"; } $filenum += listfiles($file); } $faisunZIP -> createfile(); echo "<br>压缩完成,共添加 $filenum 个文件.<br /><a href="" .$_REQUEST["todir"].$_REQUEST["zipname"]. "">". $_REQUEST["todir"].$_REQUEST["zipname"]." (".num_bitunit(filesize("$_REQUEST[todir]$_REQUEST[zipname]")).")</a>"; }else{ echo $_REQUEST["todir"].$_REQUEST["zipname"]."不能写入,请检查路径或权限是否正确.<br>"; } }else{ echo "没有选择的文件或目录.<br>"; } endif; ?> </form> <div id="footer"> <p> <a href="javascript:;" onclick="scrollTo(0,0);" title="返回顶部">TOP</a></p> </div></body></html>以上就是本文的全部内容，希望对大家的学习有所帮助。
