生成MySql数据库的数据字典代码参考
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2022-06-16 13:11:40
Code: 参考（转载）： https://blog.csdn.net/qq_36663951/article/details/73176103 ......
code:
/**
* 生成mysql数据字典
*/
//配置数据库
$dbserver = "127.0.0.1";
$dbusername = "root";
$dbpassword = "xxxxxx";
$database = "table_name";
//其他配置
$title = '数据字典';
$pdo=new \pdo("mysql:host=".$dbserver.";dbname=".$database,$dbusername,$dbpassword);
$pdo->query('set names utf8');
$table_result=$pdo->query('show tables');
$arr=$table_result->fetchall(\pdo::fetch_assoc);
//取得所有的表名
foreach ($arr as $val){
$tables[]['table_name'] =$val['tables_in_table_name'];
}
//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 = $pdo->query($sql);
$t=$table_result->fetchall(\pdo::fetch_assoc);
foreach($t as $v) {
$tables[$k]['table_comment'] = $v['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 = $pdo->query($sql);
$t=$field_result->fetchall(\pdo::fetch_assoc);
foreach ($t as $v) {
$fields[] = $v;
}
$tables[$k]['column'] = $fields;
}
$html = '';
//循环所有表
foreach ($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>';
参考（转载）： https://blog.csdn.net/qq_36663951/article/details/73176103