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[PHP实例] 四十章 PHP实现获取并生成数据库字典的方法

发表于 2018-3-13 08:00:11

/**

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 .= '';
$html .= '';
$html .= '';
$html .= '';
foreach($v['COLUMN'] AS $f)
{
$html .= '';
$html .= '';
$html .= '';
$html .= '';
$html .= '';
$html .= '';
$html .= '';
}
$html .= '
表名:' . $v['TABLE_NAME'] . ' ' . $v['TABLE_COMMENT'] . '
字段名数据类型默认值允许非空自动递增备注
' . $f['COLUMN_NAME'] . '' . $f['COLUMN_TYPE'] . '' . $f['COLUMN_DEFAULT'] . '' . $f['IS_NULLABLE'] . '' . ($f['EXTRA'] == 'auto_increment'?'是':' ') . '' . $f['COLUMN_COMMENT'] . '

';
}
/
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 '

自动生成数据字典

';
echo '

'.$database['DB_NAME'].'数据字典

';
echo '

生成时间:' . date('Y-m-d H:i:s') . '

';
echo $html;
echo '

总共:' . count($tables) . '个数据表

';
echo '';
?>


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