PHP mysql查询工具 | 查询工具

PHP基于PDO的 mysql 查询工具
单页面实现，将页面放在任意目录即可。
访问用户 admin 密码 password
代码很简单，主要为了在没有phpMyAdmin时方便执行SQL。
效果如下：
PHP mysql查询工具-LMLPHP
代码如下：
 <?php

 // 权限验证

 $user_list = [

     'admin' => 'password',

 ];

 $user = $_SERVER['PHP_AUTH_USER'];

 $pass = $_SERVER['PHP_AUTH_PW'];

 if (empty($user_list[$user]) || $user_list[$user] != $pass)

 {

     header('WWW-Authenticate: Basic realm="My Realm"');

     header('HTTP/1.0 401 Unauthorized');

     die ("Not authorized");

 }

 // 参数

 $row_limit = @$_GET['row_limit']  ?: 1000;    // 显示行数限制

 $str_limit = @$_GET['str_limit']  ?: 100;    // 显示值长度限制

 $db_config = [

     'connect'  => @$_POST['db_connect']  ?: '',

     'user'     => @$_POST['db_user']     ?: '',

     'password' => @$_POST['db_password'] ?: '',

 ];

 $sql = @$_POST['sql'] ?: '';

 // 查询SQL

 function runSql($db, $sql)

 {

     $dt_begin = round(microtime(true) * 1000);

     $con = new PDO($db['connect'], $db['user'], $db['password'], [

         PDO::MYSQL_ATTR_INIT_COMMAND => 'SET NAMES `utf8`',

         PDO::ATTR_PERSISTENT => FALSE,

     ]);

     $con -> setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);

     $con -> setAttribute(PDO::ATTR_CASE, PDO::CASE_LOWER);

     $sql = trim($sql);

     $sql_type = strtoupper(explode(' ', $sql)[0]);

     if (strpos($sql, 'INTO OUTFILE') !== FALSE)

     {

         $sql_type = 'OUTFILE';

     }

     $cmd = $con -> prepare($sql);

     $cmd -> execute();

     $return = NULL;

     if ($sql_type == 'SELECT' || $sql_type == 'SHOW' || $sql_type == 'DESC')

     {

         $return = $cmd -> fetchAll(PDO::FETCH_ASSOC);

     }

     else if ($sql_type == 'INSERT')

     {

         $return = $con -> lastInsertId();

     }

     else

     {

         $return = $cmd -> rowCount();

     }

     $dt_begin = round(microtime(true) * 1000) - $dt_begin;

     $res = [

         'use_time' => $dt_begin,

         'data' => $return,

     ];

     return $res;

 }

 // 执行SQL

 $res = null;

 $error = '';

 if (!empty($sql))

 {

     try

     {

         $res = runSql($db_config, $sql);

     }

     catch(Exception $ex)

     {

         $error = $ex;

     }

 }

 // 格式化值输出

 function f($v)

 {

     global $str_limit;

     $row_count = count(explode("\n", $v));

     $v = htmlspecialchars($v);

     $v = nl2br($v);

     if (strlen($v) > $str_limit)

     {

         $v = substr($v, 0, $str_limit) . '...';

     }

     if ($row_count > 1)

     {

         $v = '<div style="text-align:left;">' . $v . '</div>';

     }

     return $v;

 }

 ?>

 <!DOCTYPE html>

 <html lang="zh-CN">

 <head>

 <meta charset="utf-8">

 <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">

 <title>DB 查询工具</title>

 <meta name="renderer" content="webkit">

 <meta name="viewport" content="width=device-width, initial-scale=1">

 <script src="https://cdn.bootcss.com/jquery/3.2.1/jquery.min.js"></script>

 <style>

 body{

     line-height:1.5;

     font-family:consolas, Courier New;

 }

 input[type=text], input[type=password], textarea{

     font-family:consolas, Courier New;

     padding:3px;

 }

 </style>

 </head>

 <body>

     <h1 style="margin:5px 0; font-size:16px;">MySql 查询工具</h1>

     <form id="frmQuery" method="POST">

     <input type="text" name="db_connect" style="width:500px;" value="<?=$db_config['connect'] ?>" placeholder="连接字符串" />

     <input type="text" name="db_user" style="width:100px;" value="<?=$db_config['user'] ?>" placeholder="用户名" />

     <input type="password" name="db_password" style="width:100px;" value="<?=$db_config['password'] ?>" placeholder="密码"  /><br>

     <div style="font-size:12px; color:gray;">例如：mysql:host=localhost;port=3306;dbname=test</div>

     <textarea name="sql" placeholder="SQL语句" style="color:blue; width:740px; height:150px; font-size:14px;"><?=$sql ?></textarea>

     <div>

         <button type="submit">执行</button>

         &emsp;

         <button type="button" onclick="runSql('show tables;'); return false;">所有表</button>

         <button type="button" onclick="runSql('show table status;'); return false;">表详情</button>

         <button type="button" onclick="runSql('show full processlist;'); return false;">进程</button>

         <button type="button" onclick="runSql('show databases;'); return false;">数据库</button>

         <button type="button" onclick="runSql('show status;'); return false;">状态</button>

         <button type="button" onclick="runSql('show errors;'); return false;">错误</button>

         <button type="button" onclick="runSql('show warnings;'); return false;">警告</button>

         <button type="button" onclick="runSql('show create table table1;'); return false;">表创建</button>

         <button type="button" onclick="runSql('desc table1;'); return false;">表字段</button>

         <button type="button" onclick="runSql('show variables;'); return false;">配置</button>

     </div>

     </form>

     <hr>

     <?php if (!empty($error)) { ?>

         <pre style="color:red; font-size:14px; font-family:consolas, Courier New;"><?= $error ?></pre>

     <?php } ?>

     <?php if (!empty($res)) { ?>

         <span>执行用时：<?= $res['use_time']; ?>ms</span>

         <?php if (is_array($res['data'])) { ?>

 <style>

 .table{

     border-spacing: 0;

     border-collapse: collapse;

     border:solid 2px #aaa;

     background:#fff;

     font-size:12px;

 }

 .table th{

     font-weight:normal;

 }

 .table td, .table th{

     border:solid 1px #aaa;

     padding:3px 5px;

     text-align:center;

     white-space:nowrap; overflow:hidden; text-overflow:ellipsis;

 }

 .table thead{border-bottom:solid 2px #aaa; background:#ddd;}

 .table tbody tr:hover{background:#eff;}

 </style>

 <span>共<?= count($res['data']); ?>行</span>

 <?php if (count($res['data']) > 0) { ?>

 <span>共<?= count(array_keys($res['data'][0])); ?>列</span>

 <table class="table">

 <thead>

  <tr>

      <th>#</th>

     <?php foreach (array_keys($res['data'][0]) as $r) { ?>

     <th><?= f($r); ?></th>

     <?php } ?>

  </tr>

 </thead>

 <tbody>

     <?php

     $i = 0;

     foreach ($res['data'] as $r) {

         $i++;

         if ($i > $row_limit)

         {

             break;

         }

     ?>

     <tr>

         <td><?= $i; ?></td>

         <?php foreach ($r as $rr) { ?>

         <td><?= f($rr); ?></td>

         <?php } ?>

     </tr>

     <?php } ?>

 </tbody>

 </table>

 <?php } ?>

         <?php }else{ ?>

         <span>影响行数：<?= $res['data']; ?></span>

         <?php } ?>

     <?php } ?>

 <script>

 function runSql(sql)

 {

     $('textarea[name=sql]').val(sql);

     $('#frmQuery').submit();

 }

 $(function(){

     $('#frmQuery').submit(function(){

         if (window.localStorage)

         {

             window.localStorage.setItem('db_connect', $('input[name=db_connect]').val());

             window.localStorage.setItem('db_user', $('input[name=db_user]').val());

             window.localStorage.setItem('db_password', $('input[name=db_password]').val());

             window.localStorage.setItem('db_sql', $('textarea[name=sql]').val());

         }

     });

     if (window.localStorage)

     {

         var v = null;

         v = window.localStorage.getItem('db_connect');

         $('input[name=db_connect]').val(v||'');

         v = window.localStorage.getItem('db_user');

         $('input[name=db_user]').val(v||'');

         v = window.localStorage.getItem('db_password');

         $('input[name=db_password]').val(v||'');

         v = window.localStorage.getItem('db_sql');

         $('textarea[name=sql]').val(v||'');

     }

 });

 </script>

 </body>

 </html>