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首頁 > 後端開發 > php教程 > php單文件版線上程式碼編輯器使用方法

php單文件版線上程式碼編輯器使用方法

墨辰丷
發布： 2023-03-31 20:12:01
原創
3966 人瀏覽過

这篇文章主要介绍了php单文件版在线代码编辑器,个人感觉相当不错，分享给大家，需要的朋友可以参考下

密码加密方式:
 * md5(自设密码+$ace) //$ace为cdn镜像地址

使用方法:

 * 1.确认 $pwd 变量值为 false, 上传本文件到PHP空间并访问
 * 2.第一次访问提示设置密码,设置密码并牢记
 * 3.使用第一次设置的密码登录后,默认编辑的是本php文件,
 * 4.本文件是编辑器核心文件,请不要随意修改
 * 5.保存编辑的文件请用 Ctrl + S 按键组合,等待执行结果
 * 6.保存动作执行后请务必等待保存成功信息返回
 * 7.重置操作会修改本程序的文件名，以防他人猜测路径
 * 8.刷新功能仅是刷新本程序文件，不能刷新其他

建议在 chrome 浏览器中使用本编辑器

代码如下:

<?php
session_start();
$curr_file = __FILE__; //默认编辑当前文件
$curr_file_path = str_replace(dirname(__FILE__), &#39;&#39;, __FILE__);
$pwd = "57574d98bc6ebe77b07e59d87065cd9e"; //密码初始化默认值为 false
$ace = &#39;ace.js&#39;; //编辑器核心js
$tip[&#39;core&#39;] = &#39;alertify.core.min.css&#39;;
$tip[&#39;css&#39;] = &#39;alertify.default.min.css&#39;;
$tip[&#39;js&#39;] = &#39;alertify.min.js&#39;;
$jquery = &#39;jquery.min.js&#39;;
if ( false !== $pwd ) {
    define(&#39;DEFAULT_PWD&#39;, $pwd);
}
//文件后缀名对应的语法解析器
$lng = array(
    &#39;as&#39; => &#39;actionscript&#39;, &#39;js&#39; => &#39;javascript&#39;,
    &#39;php&#39; => &#39;php&#39;, &#39;css&#39; => &#39;css&#39;, &#39;html&#39; => &#39;html&#39;,
    &#39;htm&#39; => &#39;html&#39;, &#39;ini&#39; => &#39;ini&#39;, &#39;json&#39; => &#39;json&#39;,
    &#39;jsp&#39; => &#39;jsp&#39;, &#39;txt&#39; => &#39;text&#39;, &#39;sql&#39; => &#39;mysql&#39;,
    &#39;xml&#39; => &#39;xml&#39;, &#39;yaml&#39; => &#39;yaml&#39;, &#39;py&#39; => &#39;python&#39;,
    &#39;md&#39; => &#39;markdown&#39;, &#39;htaccess&#39; => &#39;apache_conf&#39;,
    &#39;bat&#39; => &#39;batchfile&#39;, &#39;go&#39; => &#39;golang&#39;,
);
//判断用户是否登录
function is_logged() {
    $flag = false;
    if ( isset($_SESSION[&#39;pwd&#39;]) && defined(&#39;DEFAULT_PWD&#39;) ) {
        if ( $_SESSION[&#39;pwd&#39;] === DEFAULT_PWD ) {
            $flag = true;
        }
    }
    return $flag;
}
//重新载入到本页面
function reload() {
    $file = pathinfo(__FILE__, PATHINFO_BASENAME);
    die(header("Location: {$file}"));
}
//判断请求是否是ajax请求
function is_ajax() {
    $flag = false;
    if ( isset($_SERVER[&#39;HTTP_X_REQUESTED_WITH&#39;]) ) {
        $flag = strtolower($_SERVER[&#39;HTTP_X_REQUESTED_WITH&#39;]) === &#39;xmlhttprequest&#39;;
    }
    return $flag;
}
//销毁SESSION和COOKIE
function exterminate() {
    $_SESSION = array();
    foreach ( $_COOKIE as $key ) {
        setcookie($key, null);
    }
    session_destroy();
    $_COOKIE = array();
    return true;
}
//获取一个目录下的文件列表
function list_dir($path, $type = &#39;array&#39;) {
    $flag = false;
    $lst = array(&#39;dir&#39;=>array(), &#39;file&#39;=>array());
    $base = !is_dir($path) ? dirname($path) : $path;
    $tmp = scandir($base);
    foreach ( $tmp as $k=>$v ) {
        //过滤掉上级目录,本级目录和程序自身文件名
        if ( !in_array($v, array(&#39;.&#39;, &#39;..&#39;)) ) {
            $file = $full_path = rtrim($base, &#39;/&#39;).DIRECTORY_SEPARATOR.$v;
            if ( $full_path == __FILE__ ) {
                continue; //屏蔽自身文件不在列表出现
            }
            $file = str_replace(dirname(__FILE__), &#39;&#39;, $file);
            $file = str_replace("\\", &#39;/&#39;, $file); //过滤win下的路径
            $file = str_replace(&#39;//&#39;, &#39;/&#39;, $file); //过滤双斜杠
            if ( is_dir($full_path) ) {
                if ( &#39;html&#39; === $type ) {
                    $v = &#39;<li class="dir" path="&#39;.$file
                    .&#39;" onclick="load();"><span>&#39;.$v.&#39;</span></li>&#39;;
                }
                array_push($lst[&#39;dir&#39;], $v);
            } else {
                if ( &#39;html&#39; === $type ) {
                    $v = &#39;<li class="file" path="&#39;.$file
                    .&#39;" onclick="load()"><span>&#39;.$v.&#39;</span></li>&#39;;
                }
                array_push($lst[&#39;file&#39;], $v);
            }
        }
    }
    $lst = array_merge($lst[&#39;dir&#39;], $lst[&#39;file&#39;]);
    $lst = array_filter($lst);
    $flag = $lst;
    if ( &#39;html&#39; === $type ) {
        $flag = &#39;<ul>&#39;. implode(&#39;&#39;, $lst) .&#39;</ul>&#39;;
    }
    return $flag;
}
//递归删除一个非空目录
function deldir($dir) {
    $dh = opendir($dir);
    while ( $file = readdir($dh) ) {
        if ( $file != &#39;.&#39; && $file != &#39;..&#39; ) {
            $fullpath = $dir.&#39;/&#39;.$file;
            if ( !is_dir($fullpath) ) {
                unlink($fullpath);
            } else {
                deldir($fullpath);
            }
        }
    }
    return rmdir($dir);
}
//退出登录
if ( isset($_GET[&#39;logout&#39;]) ) {
    if ( exterminate() ) {
        reload();
    }
}
//ajax输出文件内容
if ( is_logged() && is_ajax() && isset($_POST[&#39;file&#39;]) ) {
    $file = dirname(__FILE__).$_POST[&#39;file&#39;];
    $ext = pathinfo($file, PATHINFO_EXTENSION);
    $mode = isset($lng[$ext]) ? $lng[$ext] : false;
    die(json_encode(array(
        &#39;file&#39; => $file, &#39;html&#39; => file_get_contents($file),
        &#39;mode&#39; => $mode,     
    )));
}
//ajax输出目录列表
if ( is_logged() && is_ajax() && isset($_POST[&#39;dir&#39;]) ) {
    $dir = dirname(__FILE__).$_POST[&#39;dir&#39;];
    $list_dir = list_dir($dir, &#39;html&#39;);
    die(json_encode(array(
        &#39;dir&#39; => $dir, &#39;html&#39; => $list_dir,
    )));
}
//ajax保存文件
if ( is_logged() && is_ajax() && isset($_POST[&#39;action&#39;]) ) {
    $arr = array(&#39;result&#39;=>&#39;error&#39;, &#39;msg&#39;=>&#39;文件保存失败！&#39;);
    $content = $_POST[&#39;content&#39;];
    if ( &#39;save_file&#39; === $_POST[&#39;action&#39;] ) {
        if ( isset($_POST[&#39;file_path&#39;]) ) {
            $file = dirname(__FILE__).$_POST[&#39;file_path&#39;];
        } else {
            $file = __FILE__;
        }
        file_put_contents($file, $content);
        $arr[&#39;result&#39;] = &#39;success&#39;;
        $arr[&#39;msg&#39;] = &#39;保存成功！&#39;;
    }
    die(json_encode($arr));
}
//ajax删除文件或文件夹
if ( is_logged() && is_ajax() && isset($_POST[&#39;del&#39;]) ) {
    $path = dirname(__FILE__).$_POST[&#39;del&#39;];
    $arr = array(&#39;result&#39;=>&#39;error&#39;, &#39;msg&#39;=>&#39;删除操作失败！&#39;);
    if ( $_POST[&#39;del&#39;] && $path ) {
        $flag = is_dir($path) ? deldir($path) : unlink($path);
        if ( $flag ) {
           $arr[&#39;msg&#39;] = &#39;删除操作成功！&#39;;
           $arr[&#39;result&#39;] = &#39;success&#39;;
        }
    }
    die(json_encode($arr));
}
//ajax新建文件或文件夹
if ( is_logged() && is_ajax() && isset($_POST[&#39;create&#39;]) ) {
    $flag = false;
    $arr = array(&#39;result&#39;=>&#39;error&#39;, &#39;msg&#39;=>&#39;操作失败！&#39;);
    if ( isset($_POST[&#39;target&#39;]) ) {
        $target = dirname(__FILE__).$_POST[&#39;target&#39;];
        $target = is_dir($target) ? $target : dirname($target);
    }
    if ( $_POST[&#39;create&#39;] && $target ) {
        $base_name = pathinfo($_POST[&#39;create&#39;], PATHINFO_BASENAME);
        $exp = explode(&#39;.&#39;, $base_name);
        $full_path = $target.&#39;/&#39;.$base_name;
        $new_path = str_replace(dirname(__FILE__), &#39;&#39;, $full_path);
        if ( count($exp) > 1 && isset($lng[array_pop($exp)]) ) {
            file_put_contents($full_path, &#39;&#39;);
            $arr[&#39;result&#39;] = &#39;success&#39;;
            $arr[&#39;msg&#39;] = &#39;新建文件成功！&#39;;
            $arr[&#39;type&#39;] = &#39;file&#39;;
        } else {
            mkdir($full_path, 0777, true);
            $arr[&#39;result&#39;] = &#39;success&#39;;
            $arr[&#39;msg&#39;] = &#39;新建目录成功！&#39;;
            $arr[&#39;type&#39;] = &#39;dir&#39;;
        }
        if ( $base_name && $new_path ) {
            $arr[&#39;new_name&#39;] = $base_name;
            $arr[&#39;new_path&#39;] = $new_path;
        }
    }
    die(json_encode($arr));
}
//ajax重命名文件或文件夹
if ( is_logged() && is_ajax() && isset($_POST[&#39;rename&#39;]) ) {
    $arr = array(&#39;result&#39;=>&#39;error&#39;, &#39;msg&#39;=>&#39;重命名操作失败！&#39;);
    if ( isset($_POST[&#39;target&#39;]) ) {
        $target = dirname(__FILE__).$_POST[&#39;target&#39;];
    }
    if ( $_POST[&#39;rename&#39;] ) {
        $base_name = pathinfo($_POST[&#39;rename&#39;], PATHINFO_BASENAME);
        if ( $base_name ) {
            $rename = dirname($target).&#39;/&#39;.$base_name;
            $new_path = str_replace(dirname(__FILE__), &#39;&#39;, $rename);
        }
    }
    if ( $rename && $target && rename($target, $rename) ) {
       $arr[&#39;new_name&#39;] = $base_name;
       $arr[&#39;new_path&#39;] = $new_path;
       $arr[&#39;msg&#39;] = &#39;重命名操作成功！&#39;;
       $arr[&#39;result&#39;] = &#39;success&#39;;
    }
    if ( $target == __FILE__ ) {
        $arr[&#39;redirect&#39;] = $new_path;
    }
    die(json_encode($arr));
}
//获取代码文件内容
$code = file_get_contents($curr_file);
$tree = &#39;<ul id="dir_tree">
    <li class="dir" path="/" onclick="load()">ROOT&#39;.list_dir($curr_file, &#39;html&#39;).&#39;</li>
</ul>&#39;;
//登陆和设置密码共用模版
$first = <<<HTMLSTR
<!DOCTYPE html>
<html><head><meta charset="UTF-8">
<title>【标题】</title>
<meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">
<style type="text/css" media="screen">
body {
    overflow: hidden; background-color: #2D2D2D; color: #CCCCCC; font-size: 12px; margin: 0;
    font-family: &#39;Monaco&#39;, &#39;Menlo&#39;, &#39;Ubuntu Mono&#39;, &#39;Consolas&#39;, &#39;source-code-pro&#39;, monospace;
}
form { display: none; position: absolute; }
form h5 { font-size: 14px; font-weight: normal; margin: 0; line-height: 2em; }
form input {
    color: #fff; border: 1px solid #369; border-radius: 3px; background: #333; height: 22px;
    line-height: 1.6em; width: 125px; margin-right: 5px; vertical-align: middle;
}
form button {
    line-height: 1.6em; border: 1px solid #369; border-radius: 3px;
    background: #369; color: #fff; vertical-align: middle;
}
</style>
<link rel="stylesheet" href="{$tip[&#39;core&#39;]}" />
<link rel="stylesheet" href="{$tip[&#39;css&#39;]}" />
</head>
<body>
    <form method="post">
        <input name="pwd" type="password" /><button type="submit">【动作】</button>
    </form>
    <script src="{$jquery}" type="text/javascript" charset="utf-8"></script>
    <script src="{$ace}" type="text/javascript" charset="utf-8"></script>
    <script src="{$tip[&#39;js&#39;]}" type="text/javascript"></script>
    <script type="text/javascript">
    var editor = false;
    $(function(){
        $(&#39;form&#39;).prepend(&#39;<h5>&#39;+ document.title +&#39;</h5>&#39;);
        $(&#39;form&#39;).css({
            left: ($(window).width()-$(&#39;form&#39;).width())/2,
            top: ($(window).height()-$(&#39;form&#39;).height())/2
        });
        $(&#39;form&#39;).show();
    });
    </script>
</body></html>
HTMLSTR;
//判断是否第一次登录
if ( false === $pwd && empty($_POST) ) {
    die(str_replace(
        array(&#39;【标题】&#39;, &#39;【动作】&#39;),
        array(&#39;第一次使用，请先设置密码！&#39;, &#39;设置&#39;),
        $first
    ));
}
//第一次设置登录密码
if ( false === $pwd && !empty($_POST) ) {
    if ( isset($_POST[&#39;pwd&#39;]) && strlen($_POST[&#39;pwd&#39;]) ) {
        $pwd = $_SESSION[&#39;pwd&#39;] = md5($_POST[&#39;pwd&#39;].$ace);
        $code = preg_replace(&#39;#\$pwd = false;#&#39;, &#39;$pwd = "&#39;.$pwd.&#39;";&#39;, $code, 1);
        file_put_contents($curr_file, $code);
    } else {
        reload();
    }
}
//用户登录验证
if ( false !== $pwd && !empty($_POST) ) {
    $tmp = md5($_POST[&#39;pwd&#39;].$ace);
    if ( $tmp && $pwd && $tmp === $pwd ) {
        $_SESSION[&#39;pwd&#39;] = $pwd;
        reload();
    }
}
//处理一下html实体
$code = htmlspecialchars($code);
$dir_icon = str_replace(array("\r\n", "\r", "\n"), &#39;&#39;,
&#39;data:image/jpg;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAANCAYAAACgu+4kAAAAGXRFWHRTb2Z0d2
FyZQBBZG9iZSBJbWFnZVJlYWR5ccllPAAAAQVJREFUeNqkkk1uwjAQhd84bsNP1FUXLCtu0H3XPSoX4Qrd9wR
sCjQEcIY3DiiJUYiqRhp5Mra/92YSUVVgLSW49B7H+NApRh75XkHfFoCG+02tyflUeQTw2y9UYYP8cCStc9SM
PeVA/Sy6Dw555q3au1z+EhBYk1cgO7OSNdaFNT0x5sCkYDha0WPiHZgVqPzLO+8seai6E2jed42bCL06tNyEH
AX9kv3jh3HqH7BctFWLMOmAbcg05mHK5+sQpd1HYijN47zcDUCShGEHtzxtwQS9WTcAQmJROrJDLXQB9s1Tu6
MtRED4bwsHLnUzxEeKac3+GeP6eo8yevhjC3F1qC4CDAAl3HwuyNAIdwAAAABJRU5ErkJggg==&#39;);
$file_icon = str_replace(array("\r\n", "\r", "\n"), &#39;&#39;,
&#39;data:image/jpg;base64,iVBORw0KGgoAAAANSUhEUgAAAA8AAAAQCAYAAADJViUEAAAAGXRFWHRTb2Z0d2
FyZQBBZG9iZSBJbWFnZVJlYWR5ccllPAAAAS1JREFUeNqMU01KxkAMTaez7aYbNwreQdBzeopS6EXEW+jug7Z
C6X+/iUloSr6xioFHJkPee5mUJgBwT7gjpPB3XAgfiBjs5dOyLF/btl0pkEFngdbzPGNRFK/U+0hwJAAMjmcm
DsOA4zge6Pseu67DpmlEqK5rLMvyRkDJor6uq2SGktu2FfdpmpANqqoSASYnO/kthABJkoCOxCASkCBkWSYuQ
qCeNE1fqHz3fMkXzjnJ2sRinL33QBNIzWJ5nh/L8npQohVTJwYTyfFm/d6Oo2HGE8ffwseuZ1PEjhrOutmsRF
0iC8QmPibEtT4hftrhHI95JqJT/HC2JOt0to+zN6MVsZ/oZKqwmyCTA33DkbN1sws0i+Pega6v0kd42H9JB/8
LJl5I6PNbgAEAa9MP7QWoNLoAAAAASUVORK5CYII=&#39;);
$loading = str_replace(array("\r\n", "\r", "\n"), &#39;&#39;,
&#39;data:image/gif;base64,R0lGODlhFAAUALMIAPh2AP+TMsZiALlcAKNOAOp4ANVqAP+PFv///wAAAAAAAA
AAAAAAAAAAAAAAAAAAACH/C05FVFNDQVBFMi4wAwEAAAAh+QQFCgAIACwAAAAAFAAUAAAEUxDJSau9iBDMteb
TMEjehgTBJYqkiaLWOlZvGs8WDO6UIPCHw8TnAwWDEuKPcxQml0Ynj2cwYACAS7VqwWItWyuiUJB4s2AxmWxG
g9bl6YQtl0cAACH5BAUKAAgALAEAAQASABIAAAROEMkpx6A4W5upENUmEQT2feFIltMJYivbvhnZ3Z1h4FMQI
Dodz+cL7nDEn5CH8DGZhcLtcMBEoxkqlXKVIgAAibbK9YLBYvLtHH5K0J0IACH5BAUKAAgALAEAAQASABIAAA
ROEMkphaA4W5upMdUmDQP2feFIltMJYivbvhnZ3V1R4BNBIDodz+cL7nDEn5CH8DGZAMAtEMBEoxkqlXKVIg4
HibbK9YLBYvLtHH5K0J0IACH5BAUKAAgALAEAAQASABIAAAROEMkpjaE4W5tpKdUmCQL2feFIltMJYivbvhnZ
3R0A4NMwIDodz+cL7nDEn5CH8DGZh8ONQMBEoxkqlXKVIgIBibbK9YLBYvLtHH5K0J0IACH5BAUKAAgALAEAA
QASABIAAAROEMkpS6E4W5spANUmGQb2feFIltMJYivbvhnZ3d1x4JMgIDodz+cL7nDEn5CH8DGZgcBtMMBEox
kqlXKVIggEibbK9YLBYvLtHH5K0J0IACH5BAUKAAgALAEAAQASABIAAAROEMkpAaA4W5vpOdUmFQX2feFIltM
JYivbvhnZ3V0Q4JNhIDodz+cL7nDEn5CH8DGZBMJNIMBEoxkqlXKVIgYDibbK9YLBYvLtHH5K0J0IACH5BAUK
AAgALAEAAQASABIAAAROEMkpz6E4W5tpCNUmAQD2feFIltMJYivbvhnZ3R1B4FNRIDodz+cL7nDEn5CH8DGZg
8HNYMBEoxkqlXKVIgQCibbK9YLBYvLtHH5K0J0IACH5BAkKAAgALAEAAQASABIAAAROEMkpQ6A4W5spIdUmHQ
f2feFIltMJYivbvhnZ3d0w4BMAIDodz+cL7nDEn5CH8DGZAsGtUMBEoxkqlXKVIgwGibbK9YLBYvLtHH5K0J0
IADs=&#39;);
//编辑器模版
$html = <<<HTMLSTR
<!DOCTYPE html>
<html><head><meta charset="UTF-8">
<title>ACE代码编辑器</title>
<meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">
<style type="text/css" media="screen">
a { text-decoration: none; }
body {
    overflow: hidden; background-color: #2D2D2D; font-size: 12px;
    font-family: &#39;Consolas&#39;, &#39;Monaco&#39;, &#39;Menlo&#39;, &#39;Ubuntu Mono&#39;, monospace;
    scrollbar-arrow-color: #ccc; scrollbar-base-color: #333;
    scrollbar-dark-shadow-color: #00ffff; scrollbar-track-color: #272822;
    scrollbar-highlight-color: #272822; scrollbar-3d-light-color: #272822;
    scrollbar-face-color: #2D2D2D; scrollbar-shadow-color: #333;
}
::-webkit-scrollbar { width:5px; height:6px; background-color:#444; }
::-webkit-scrollbar:hover { background-color:#444; }
::-webkit-scrollbar-thumb:hover { min-height:5px; min-width:5px; background-color: #AAA; }
::-webkit-scrollbar-thumb:active { -webkit-border-radius:20px; background-color: #AAA; }
::-webkit-scrollbar-thumb {
    min-height:5px; min-width:5px; -webkit-border-radius:20px; 
    ::-webkit-border-radius:1px; background-color: #AAA;
}
body > pre { color: #666; }
#sider { margin: 0; position: absolute; top:  25px; bottom: 0; left: 0; right: 85%; }
#editor { margin: 0; position: absolute; top: 0; bottom: 0; left: 15%; right: 0; }
#dir_tree { margin:0; padding: 0; height: 100%; overflow: auto; position: relative; left: 5px; } 
#dir_tree, #dir_tree ul, #dir_tree li { margin: 0; padding: 0; list-style: none inside; }
#dir_tree ul { padding-left: 20px; position: relative; }
#dir_tree li { text-indent: 2em; line-height: 1.6em; cursor: default; color: #ccc; }
#dir_tree li.hover > span, #dir_tree li:hover > span { color: #66D9EF; }
#dir_tree li#on > span { color: red; }
#dir_tree li.dir { background: url({$dir_icon}) no-repeat 3px 3px; }
#dir_tree li.file { background: url({$file_icon}) no-repeat 3px 0; }
#dir_tree li.loading { background: url({$loading}) no-repeat 3px 0; }
#logout { position: absolute; top: 0; left: 0; }
#logout a { display: inline-block; color: #aaa; line-height: 25px; padding: 0 4px; }
#logout a:hover { background: #000; color: #ddd; }
#contextmenu { position: absolute; top: 0; left: 0; background: #fff; color: #333; border: 1px solid #000; padding: 1px; }
#contextmenu span { display: block; line-height: 24px; text-indent: 20px; width: 80px; cursor: default; }
#contextmenu span:hover { background-color: #369; color: #fff; }
#alertify .alertify-message, #alertify .alertify-message {
    text-align: left !important; text-indent: 0; font-weight: bold; font-size: 16px;
}
#alertify .alertify-dialog, #alertify .alertify-dialog {
    font-family: &#39;Consolas&#39;; padding: 10px !important; color: #333 !important;
}
#alertify .alertify-button { 
    border-radius: 3px !important; font-weight: normal !important; 
    font-size: 14px !important; padding: 3px 15px !important;
}
.alertify-buttons { text-align: right !important; }
</style>
<link rel="stylesheet" href="{$tip[&#39;core&#39;]}" />
<link rel="stylesheet" href="{$tip[&#39;css&#39;]}" />
</head><body>
<p id="logout">
    <a href="javascript:void(0);">保存</a>
    <a href="javascript:void(0);">刷新</a>
    <a href="javascript:void(0);">重置</a>
    <a href="?logout">退出</a>
</p>
<p id="sider">{$tree}</p><pre id="editor">{$code}
HTMLSTR; //判断是否已经登录 if ( !is_logged() ) { die(str_replace( array('【标题】', '【动作】'), array('请输入您第一次设置的密码！', '登录'), $first )); } else { echo $html; }
登入後複製

总结：以上就是本篇文的全部内容，希望能对大家的学习有所帮助。

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