TP获得mysql版本及mysql数据库大小

TP获得mysql版本及mysql数据库大小
namespace Admin\Controller;
use Think\Controller;
class SystemController extends AdminController
{
protected function _model(){
return new \Think\Model();
}

public function indexAction()
{
layout( true );
$this->sysinfo = array(
'os' => $_SERVER["SERVER_SOFTWARE"], //获取服务器标识的字串
'version' => PHP_VERSION, //获取PHP服务器版本
'time' => date("Y-m-d H:i:s", time()), //获取服务器时间
'pc' => $_SERVER['SERVER_NAME'], //当前主机名
'osname' => php_uname(), //获取系统类型及版本号
'language' => $_SERVER['HTTP_ACCEPT_LANGUAGE'], //获取服务器语言
'port' => $_SERVER['SERVER_PORT'], //获取服务器Web端口
'max_upload' => ini_get("file_uploads") ? ini_get("upload_max_filesize") : "Disabled", //最大上传
'max_ex_time' => ini_get("max_execution_time")."秒", //脚本最大执行时间
'mysql_version' => $this->_mysql_version(),
'mysql_size' => $this->_mysql_db_size(),
);
$this->display();
}

private function _mysql_version()
{
$Model = self::_model();
$version = $Model->query("select version() as ver");
return $version[0]['ver'];
}

private function _mysql_db_size()
{
$Model = self::_model();
$sql = "SHOW TABLE STATUS FROM ".C('DB_NAME');
$tblPrefix = C('DB_PREFIX');
if($tblPrefix != null) {
$sql .= " LIKE '{$tblPrefix}%'";
}
$row = $Model->query($sql);
$size = 0;
foreach($row as $value) {
$size += $value["Data_length"] + $value["Index_length"];
}
return round(($size/1048576),2).'M';
}
}不足之处望指点！http://www.yi210.com/archives/919.html

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