$actionArr = EventModel::dictAction();
$projectlist = $this->getRrojectList();
$list = array();
foreach( $actionArr as $key => $value ) {
    $list[$key] = $value;
}
foreach( $projectlist as $key => $value ) {
    $list[$key] = $value;
}

//以下数组是不为空的
 $arr=array(''=>''); count($arr)//1 $arr=array("","","");count($arr)//3  if(count($arr)>=1)