public function __set($name, $value)
{
if (isset($this->config[$name])) {
$this->config[$name] = $value;
if ('driverConfig' == $name) {
//改变驱动配置后重置上传驱动
//注意:必须选改变驱动然后再改变驱动配置
$this->setDriver();
}
}
}