把mysql数据库生成数据字典，直接可用便于查看数据库表、字段，做一个数据字典是很有必要的，下面只需要简单更改下配置就可以用了，样式也是挺好的。
<?php header('content-type:text/html;charset=utf-8'); define('DB_HOST','localhost'); define('DB_USER','root'); define('DB_PASS','root'); define('DB_NAME','test'); define('DB_PORT',3306); define('DB_CHAR','utf8'); define('APPNAME',''); $conn=mysql_connect(DB_HOST.':'.DB_PORT,DB_USER,DB_PASS); mysql_select_db(DB_NAME); mysql_query('set names ' . DB_CHAR); $sql="SHOW TABLE STATUS FROM " . DB_NAME; $result=mysql_query($sql); $array=array(); while($rows=mysql_fetch_assoc($result)){ $array[]=$rows; } // table count $tab_count = count($array); echo '<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" lang="en" xml:lang="zh"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title>'.APPNAME.'--数据字典</title> <style type="text/css"> table caption, table th, table td { padding: 0.1em 0.5em 0.1em 0.5em; margin: 0.1em; vertical-align: top; } th { font-weight: bold; color: black; background: #D3DCE3; } table tr.odd th, .odd { background: #E5E5E5; } table tr.even th, .even { background: #f3f3f3; } .db_table{ border-top:1px solid #333; } .title{font-weight:bold;} </style> </head> <body> <div> <b>'.APPNAME.'--数据字典</b> </div> <div>（注：共'.$tab_count.'张表，按ctrl+F查找关键字）</div>'."\n"; for($i=0;$i<$tab_count;$i++){ echo '<ul type="square">'."\n"; echo ' <li>'; echo ($i+1).'、表名：[' . $array[$i]['Name'] . '] 注释：' . $array[$i]['Comment']; echo '</li>'."\n"; //查询数据库字段信息 $tab_name = $array[$i]['Name']; $sql_tab='show full fields from `' . $array[$i]['Name'].'`'; $tab_result=mysql_query($sql_tab); $tab_array=array(); while($r=mysql_fetch_assoc($tab_result)){ $tab_array[]=$r; } //show keys $keys_result=mysql_query("show keys from `".$array[$i]['Name'].'`',$conn); $arr_keys=mysql_fetch_array($keys_result); echo '<li><table >'; echo '<tr> <th>字段</th> <th>类型</th> <th>为空</th> <th>额外</th> <th>默认</th> <th>整理</th> <th>备注</th></tr>'; for($j=0;$j<count($tab_array);$j++){ $key_name=$arr_keys['Key_name']; if($key_name="PRIMARY"){ $key_name='主键（'.$key_name.'）'; } $key_field=$arr_keys['Column_name']; if ( $tab_array[$j]['Field']==$key_field){ $key_value="PK"; }else{ $key_value=""; } echo ' <trodd":"even").'">'."\n"; echo ' <td>' . $tab_array[$j]['Field'] . '</td>'."\n"; echo ' <td>' . $tab_array[$j]['Type'] . '</td>'."\n"; echo ' <td>' . ($key_value!=''?$key_value:$tab_array[$j]['Null']) . '</td>'."\n"; echo ' <td>' . $tab_array[$j]['Extra'] . '</td>'."\n"; echo ' <td>' . $tab_array[$j]['Default'] . '</td>'."\n"; echo ' <td>' . $tab_array[$j]['Collation'] . '</td>'."\n"; echo ' <td>' . ($key_value!=''?$key_name:$tab_array[$j]['Comment']) . '</td>'."\n"; echo ' </tr>'."\n"; } echo ' </table></li>'."\n"; echo '</ul>'."\n"; } echo '</body>'."\n"; echo '</html>'."\n";