把mysql数据库生成数据字典，直接可用

< 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 '  
  
  
  
  
  
  
  
  
    '.APPNAME.'--数据字典





  
  
（注：共'.$tab_count.'张表，按ctrl+F查找关键字）
'."\n";  
for($i=0;$i<$tab_count;$i++){  
echo '
'."\n";  
echo '  
';  
echo ($i+1).'、表名：[' . $array[$i]['Name'] . ']      注释：' . $array[$i]['Comment'];  
echo '
'."\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 '
';  
    echo '';  
    for($j=0;$j'."\n";  
        echo '          '."\n";  
        echo '          '."\n";  
        echo '          '."\n";  
        echo '          '."\n";  
        echo '          '."\n";  
        echo '          '."\n";  
        echo '          '."\n";  
        echo '        '."\n";  
    }  
    echo '  
  
        
字段
  
        
类型
  
        
为空
  
        
额外
  
        
默认
  
        
整理
  
        
备注
' . $tab_array[$j]['Field'] . '
' . $tab_array[$j]['Type'] . '
' . ($key_value!='' $key_value:$tab_array[$j]['Null']) . '
' . $tab_array[$j]['Extra'] . '
' . $tab_array[$j]['Default'] . '
' . $tab_array[$j]['Collation'] . '
' . ($key_value!='' $key_name:$tab_array[$j]['Comment']) . '
'."\n";  
    echo '
'."\n";  
  
}  
echo ''."\n";  
echo ''."\n";