php 生成mysql数据字典 (php5.5-5.6)

2023-01-06 20:14:54
<?php

/**

 * 生成mysql数据字典

 */

//配置数据库

$dbserver   = "127.0.0.1";

$dbusername = "root";

$dbpassword = "";

$database      = "";

//其他配置

$title = '数据字典';

$mysql_conn = @mysql_connect("$dbserver", "$dbusername", "$dbpassword") or die("Mysql connect is error.");

//$mysql_conn=new mysqli("$dbserver", "$dbusername", "$dbpassword") or die("Mysql connect is error.");

mysql_select_db($database, $mysql_conn);

mysql_query('SET NAMES utf8', $mysql_conn);

$table_result = mysql_query('show tables', $mysql_conn);

//取得所有的表名

while ($row = mysql_fetch_array($table_result)) {

    $tables[]['TABLE_NAME'] = $row[0];

}

//循环取得所有表的备注及表中列消息

foreach ($tables AS $k=>$v) {

    $sql  = 'SELECT * FROM ';

    $sql .= 'INFORMATION_SCHEMA.TABLES ';

    $sql .= 'WHERE ';

    $sql .= "table_name = '{$v['TABLE_NAME']}'  AND table_schema = '{$database}'";

    $table_result = mysql_query($sql, $mysql_conn);

    while ($t = mysql_fetch_array($table_result) ) {

        $tables[$k]['TABLE_COMMENT'] = $t['TABLE_COMMENT'];

    }

    $sql  = 'SELECT * FROM ';

    $sql .= 'INFORMATION_SCHEMA.COLUMNS ';

    $sql .= 'WHERE ';

    $sql .= "table_name = '{$v['TABLE_NAME']}' AND table_schema = '{$database}'";

    $fields = array();

    $field_result = mysql_query($sql, $mysql_conn);

    while ($t = mysql_fetch_array($field_result) ) {

        $fields[] = $t;

    }

    $tables[$k]['COLUMN'] = $fields;

}

mysql_close($mysql_conn);

$html = '';

//循环所有表

foreach ($tables AS $k=>$v) {

    //$html .= '<p><h2>'. $v['TABLE_COMMENT'] . ' </h2>';

    $html .= '<table  border="1" cellspacing="0" cellpadding="0" align="center">';

    $html .= '<caption>' . $v['TABLE_NAME'] .'  '. $v['TABLE_COMMENT']. '</caption>';

    $html .= '<tbody><tr><th>字段名</th><th>数据类型</th><th>默认值</th>

         <th>允许非空</th>

         <th>自动递增</th><th>备注</th></tr>';

    $html .= '';

    foreach ($v['COLUMN'] AS $f) {

        $html .= '<tr><td class="c1">' . $f['COLUMN_NAME'] . '</td>';

        $html .= '<td class="c2">' . $f['COLUMN_TYPE'] . '</td>';

        $html .= '<td class="c3"> ' . $f['COLUMN_DEFAULT'] . '</td>';

        $html .= '<td class="c4"> ' . $f['IS_NULLABLE'] . '</td>';

        $html .= '<td class="c5">' . ($f['EXTRA']=='auto_increment'?'是':' ') . '</td>';

        $html .= '<td class="c6"> ' . $f['COLUMN_COMMENT'] . '</td>';

        $html .= '</tr>';

    }

    $html .= '</tbody></table></p>';

}

//输出

echo '<html>

     <head>

     <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />

     <title>'.$title.'</title>

     <style>

     body,td,th {font-family:"宋体"; font-size:12px;}

     table{border-collapse:collapse;border:1px solid #CCC;background:#efefef;}

     table caption{text-align:left; background-color:#fff; line-height:2em; font-size:14px; font-weight:bold; }

     table th{text-align:left; font-weight:bold;height:26px; line-height:26px; font-size:12px; border:1px solid #CCC;}

     table td{height:20px; font-size:12px; border:1px solid #CCC;background-color:#fff;}

     .c1{ width: 120px;}

     .c2{ width: 120px;}

     .c3{ width: 70px;}

     .c4{ width: 80px;}

     .c5{ width: 80px;}

     .c6{ width: 270px;}

     </style>

     </head>

     <body>';

echo '<h1 style="text-align:center;">'.$title.'</h1>';

echo $html;

echo '</body></html>';

?>
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