php 生成数据库字典的方法 - php基础

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<?php

/**

* 生成mysql数据字典

*/

header("Content-type:text/html;charset=utf-8");

// 配置数据库

$database = array();

$database['DB_HOST'] = 'localhost';

$database['DB_NAME'] = 'test';

$database['DB_USER'] = 'root';

$database['DB_PWD'] = '';

$mysql_conn = @mysql_connect("{$database['DB_HOST']}", "{$database['DB_USER']}", "{$database['DB_PWD']}") or die("Mysql connect is error.");

mysql_select_db($database['DB_NAME'], $mysql_conn);

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

mysql_query("set names utf8");

// 取得所有表名

while ($row = mysql_fetch_array($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['DB_NAME']}'";

    $table_result = mysql_query($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['DB_NAME']}'";

    $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

//print_r($tables);

foreach($tables as $k => $v)

{

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

    $html .= '<caption>表名：' . $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 .= '<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>';

}

/* 生成word */

//header ( "Content-type:application/vnd.ms-word" );

//header ( "Content-Disposition:attachment;filename={$database['DB_NAME']}数据字典.doc" );

/* 生成excel*/

//header ( "Content-type:application/vnd.ms-excel" );

//header ( "Content-Disposition:attachment;filename={$database['DB_NAME']}数据字典.xls" );

// 输出

echo '<html>

    <meta charset="utf-8">

    <title>自动生成数据字典</title>

    <style>

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

        table,h1,p{width:960px;margin:0px auto;}

        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;padding-left:5px;}

        table td{height:20px; font-size:12px; border:1px solid #CCC;background-color:#fff;padding-left:5px;}

        .c1{ width: 150px;}

        .c2{ width: 150px;}

        .c3{ width: 80px;}

        .c4{ width: 100px;}

        .c5{ width: 100px;}

        .c6{ width: 300px;}

    </style>

    <body>';

echo '<h1 style="text-align:center;">'.$database['DB_NAME'].'数据字典</h1>';

echo '<p style="text-align:center;margin:20px auto;">生成时间：' . date('Y-m-d H:i:s') . '</p>';

echo $html;

echo '<p style="text-align:left;margin:20px auto;">总共：' . count($tables) . '个数据表</p>';

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

?>

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