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PHP線上生成mysql資料字典

<?php
header('content-type:text/html;charset=utf-8');
define('DB_HOST','localhost');
define('DB_USER','root');
define('DB_PASS','pwd');
define('DB_NAME','dbname');
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.'--資料字典</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 style="text-align:center;background:#D3DCE3;font-size:19px;">
<b>'.APPNAME.'--資料字典</b>
</div>
<div style="background:#f3f3f3;text-align:center;">(注:共'.$tab_count.'張表,按ctrl+F查詢關鍵字)</div>'."\n";
for($i=0;$i<$tab_count;$i++){
echo '<ul type="square">'."\n";
echo '  <li class="title">';
echo ($i+1).'、表名:[' . $array[$i]['Name'] . ']      註釋:' . $array[$i]['Comment'];
echo '</li>'."\n";
//查詢資料庫欄位資訊
$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 style="list-style: none outside none;"><table border="0" class="db_table" >';
echo '<tr class="head">
    <th style="width:110px">欄位</th>
    <th>型別</th>
    <th>為空</th>
    <th>額外</th>
    <th>預設</th>
    <th style="width:95px">整理</th>
    <th>備註</th></tr>';
for($j=0;$j<count($tab_array);$j++){
    $key_name=$arr_keys['Key_name'];
    if($key_name="PRIMARY"){
        $key_name='主鍵('.$key_name.')';
    }
    $key_field=$arr_keys['Column_name'];
    if ( $tab_array[$j]['Field']==$key_field){
        $key_value="PK";
    }else{
        $key_value="";
    }
    echo '        <tr class="'.($j%2==0?"odd":"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";