数据库字典

浏览数：28 / 时间：2015年06月12日

查看 mysql 数据库文档，字段表名要添加注释

<?php
/**
 * 生成mysql数据字典
 */

//配置数据库
$server = "localhost";
$username = "root";
$password = "";
$database = ‘beta71dai‘;
//其他配置
$title = ‘系统数据字典‘;

$mysql_conn = @mysql_connect("$server", "$username", "$password") 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
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) {
    $html .= ‘    <h3>‘ . ($k + 1) . ‘、‘ . $v[‘TABLE_COMMENT‘] . ‘  （‘ . $v[‘TABLE_NAME‘] . ‘）</h3>‘ . "\n";
    $html .= ‘    <table border="1" cellspacing="0" cellpadding="0" width="100%">‘ . "\n";
    $html .= ‘        <tbody>‘ . "\n";
    $html .= ‘            <tr>‘ . "\n";
    $html .= ‘                <th>字段名</th>‘ . "\n";
    $html .= ‘                <th>数据类型</th>‘ . "\n";
    $html .= ‘                <th>默认值</th>‘ . "\n";
    $html .= ‘                <th>允许非空</th>‘ . "\n";
    $html .= ‘                <th>自动递增</th>‘ . "\n";
    $html .= ‘                <th>备注</th>‘ . "\n";
    $html .= ‘            </tr>‘ . "\n";

    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">&nbsp;‘ . $f[‘COLUMN_DEFAULT‘] . ‘</td>‘;
        $html .= ‘<td class="c4">&nbsp;‘ . $f[‘IS_NULLABLE‘] . ‘</td>‘;
        $html .= ‘<td class="c5">‘ . ($f[‘EXTRA‘] == ‘auto_increment‘ ? ‘是‘ : ‘&nbsp;‘) . ‘</td>‘;
        $html .= ‘<td class="c6">&nbsp;‘ . $f[‘COLUMN_COMMENT‘] . ‘</td>‘;
        $html .= ‘</tr>‘;
    }
    $html .= ‘</tbody></table></p>‘;
}


//输出
echo ‘<html>
<head>
<meta charset="utf-8">
<title>‘ . $title . ‘</title>
<style>
body, td, th { font-family: "微软雅黑"; font-size: 14px; }
h1{text-align:center;}
.warp{margin:auto; width:1000px;}
.warp h3{margin:10px 0 10px 0; padding:0px; line-height:30px;}
table { border-collapse: collapse; border: 1px solid #CCC; background: #efefef;word-break: break-all;word-wrap: break-word; }
table th { text-align: left; font-weight: bold; height: 26px; line-height: 26px; font-size: 14px; text-align:center; border: 1px solid #CCC; padding:5px;}
table td { height: 20px; font-size: 14px; border: 1px solid #CCC; background-color: #fff; padding:5px;}
.c1 { width: 120px; }
.c2 { width: 120px; }
.c3 { width: 150px; }
.c4 { width: 80px; text-align:center;}
.c5 { width: 80px; text-align:center;}
.c6 { width: 270px; }
</style>
</head>
<body>‘;
echo ‘<h1>‘ . $title . ‘</h1><div class="warp">‘;
echo $html;
echo ‘</div></body></html>‘;