public function actionIndex()
{
$needing_id = $_GET['id'];
//需求不复杂使用ar
//需求复杂可用dao（cdbcommand)
//查询条件多用cdbcreteria类
$needing = new Needing();
$info = $needing->find('id=:id', array(':id' => $needing_id));
//收藏
$collection = Collection::model()->count('user_id=:user_id and needing_id=:cat_id', array(':user_id' => Yii::app()->user->id, ':cat_id' => $needing_id));
//验证是否已参与需求
$needing_gotAll = NeedingPre::model()->findAll('needing_id=:needing_id', array(':needing_id' => $needing_id));
$needing_gotCheck = NeedingPre::model()->count('needing_id=:needing_id and username=:username', array(':needing_id' => $needing_id, ':username' => Yii::app()->user->name));
//需求是否已托管
$needing_tuoguan = NeedingGet::model()->find('needing_id=:needing_id', array(':needing_id' => $needing_id));
$this->render('index', array('needing' => $info, 'collect_num' => $collection, 'needing_got' => $needing_gotCheck, 'needing_gotAll' => $needing_gotAll, 'needing_tuoguan' => $needing_tuoguan, 'needing_reply' => ''));
}
