PHP实现获取并生成数据库字典的方法
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2024-04-02 11:01:04
本文实例讲述了php实现获取并生成数据库字典的方法。分享给大家供大家参考，具体如下：
本文实例讲述了php实现获取并生成数据库字典的方法。分享给大家供大家参考，具体如下：
<?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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