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Think\Db类改进 支持静态化调用驱动类的方法

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Think、Debug类的debug方法改进
增加getQueryTimes和getExecuteTimes方法
This commit is contained in:
thinkphp
2013-03-30 13:25:21 +08:00
parent d58c1aa106
commit 97f9395a96
3 changed files with 113 additions and 62 deletions
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69
Think/Db.php
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@@ -8,32 +8,34 @@
// +----------------------------------------------------------------------
// | Author: liu21st <liu21st@gmail.com>
// +----------------------------------------------------------------------
// $Id$
namespace Think;
namespace Think;
/**
* ThinkPHP 数据库中间层实现类
* @category Think
* @package Think
* @subpackage Core
* @author liu21st <liu21st@gmail.com>
*/
class Db {
static private $instance = [];
static private $instance = []; // 数据库连接实例
static private $_instance = null; // 当前数据库连接实例
/**
* 取得数据库类实例
* @static
* @access public
* @return mixed 返回数据库驱动类
* @param mixed $config 连接配置
* @param boolean $lite 是否lite方式
* @return Object 返回数据库驱动类
*/
public static function getInstance($config=[]) {
public static function instance($config=[],$lite=false) {
$md5 = md5(serialize($config));
if(!isset(self::$instance[$md5])) {
// 解析连接参数 支持数组和字符串
$options = self::parseConfig($config);
$class = 'Think\\Db\\Driver\\'.ucwords($options['dbms']);
// 如果采用lite方式 仅支持原生SQL 包括query和execute方法
$class = $lite? 'Think\Db\Lite' : 'Think\\Db\\Driver\\'.ucwords($options['dbms']);
if(class_exists($class)) {
self::$instance[$md5] = new $class($options);
self::$instance[$md5] = new $class($options);
self::$_instance = self::$instance[$md5];
}else{
Error::halt('_DB_TYPE_INVALID_:'.$options['dbms']);
}
@@ -42,21 +44,13 @@ class Db {
}
/**
* Lite版本数据库引擎 仅支持原生SQL 包括query和execute方法
* 数据库连接参数解析
* @static
* @access public
* @return mixed 返回数据库驱动类
* @param mixed $config
* @return array
*/
public static function lite($config=[]) {
static $_instance = [];
$md5 = md5(serialize($config));
if(!isset($_instance[$md5])) {
$_instance[$md5] = new Think\Db\Lite(self::parseConfig($config));
}
return $_instance[$md5];
}
static public function parseConfig($config=[]){
static public function parseConfig($config){
if(empty($config)) {
$config = Config::get();
}
@@ -64,17 +58,19 @@ class Db {
return self::parseDsn($config);
}
return [
'dbms' => $config['db_type'],
'dsn' => $config['db_dsn'],
'username' => $config['db_user'],
'password' => $config['db_pwd'],
'hostname' => $config['db_host'],
'hostport' => $config['db_port'],
'database' => $config['db_name'],
'params' => $config['db_params'],
'charset' => $config['db_charset'],
'deploy' => $config['db_deploy'],
'socket' => $config['db_unix_socket'],
'dbms' => $config['db_type'],
'dsn' => $config['db_dsn'],
'username' => $config['db_user'],
'password' => $config['db_pwd'],
'hostname' => $config['db_host'],
'hostport' => $config['db_port'],
'database' => $config['db_name'],
'params' => $config['db_params'],
'charset' => $config['db_charset'],
'deploy' => $config['db_deploy'],
'socket' => $config['db_unix_socket'],
'debug' => $config['db_debug'],
'deploy' => $config['db_deploy'],
];
}
@@ -109,4 +105,9 @@ class Db {
}
return $dsn;
}
// 调用驱动类的方法
public static function __callStatic($method, $params){
return call_user_func_array(array(self::$_instance, $method), $params);
}
}