public function actionIndex($labelid = 1)
{
//查找所有的标签
$labels = Labels::find()->asArray()->all();
//根据标签ID查找问题
$label = Labels::find()->where(['labelid' => $labelid])->one();
$questions = $label->questions;
//提问表
$session = Yii::$app->session;
$askform = new AskForm();
//添加问题
if (!empty($session['user'])) {
if ($askform->load(Yii::$app->request->post()) && $askform->validate()) {
$ask = new Questions();
$ask->labelid = $labelid;
$maxid = Questions::find()->where(['labelid' => $labelid])->orderBy('questionid desc')->one();
if (empty($maxid)) {
$maxid = 1;
} else {
$maxid = $maxid['questionid'];
}
$ask->questionid = $maxid + 1;
$ask->host = $session['username'];
$ask->title = $askform->title;
$ask->question = $askform->question;
$ask->save();
return $this->redirect(Yii::$app->request->getUrl());
}
} else {
echo "未登录";
}
return $this->render('index', ['labelid' => $labelid, 'labels' => $labels, 'questions' => $questions, 'askform' => $askform]);
}
/**
* Creates a new Questions model.
* If creation is successful, the browser will be redirected to the 'view' page.
* @return mixed
*/
public function actionCreate()
{
$model = new Questions();
if ($model->load(Yii::$app->request->post()) && $model->save()) {
return $this->redirect(['view', 'id' => $model->id]);
} else {
return $this->render('create', ['model' => $model]);
}
}
