yii2 - 将字段添加到没有新表格的模型

Question

我想向模型添加字段，因此它显示在索引/更新/创建中。

它也应该可以在update/create中编辑。

在sendin/save from update/create后，我想要处理这个字段的内容，计算一些东西，然后将它与所有其他字段（它们在DB中具有对应的字段）一起写入到现有DB字段中的数据库。

我可以通过在模型中加入（前端/模型/ poi.php

public $tempVal = NULL; 

和规则相同的文件

[['tempVal'], 'string', 'max' => 64], 

因此，所有的行会显示在指数的新领域 - >那不是我想要的

该字段在每一行中应该有不同的内容（比如说随机数）

我该如何解决这个问题？

Answer 1

这里是模型和控制器（不工作）

/frontend/models/PoiCore.php

class PoiCore extends \yii\db\ActiveRecord 
{ 
public $tempVal = NULL; 
/** 
* @inheritdoc 
*/ 
public static function tableName() 
{ 
    return 'poi_core'; 
} 

/** 
* @inheritdoc 
*/ 
public function rules() 
{ 
    return [ 
     [['owner'], 'required'], 
     [['owner'], 'integer'], 
     [['poi_name'], 'string', 'max' => 64], 
     [['tempVal'], 'string', 'max' => 64], 
    ]; 
} 

/** 
* @inheritdoc 
*/ 
public function attributeLabels() 
{ 
    return [ 
     'id' => Yii::t('app', 'ID'), 
     'owner' => Yii::t('app', 'Owner'), 
     'poi_name' => Yii::t('app', 'Poi Name'), 
    ]; 
} 

/** 
* @return \yii\db\ActiveQuery 
*/ 
public function getPoiDetail() 
{ 
    $data= $this->hasOne(PoiDetail::className(), ['poi_id' => 'id']); 

    return $data; 
} 

/** 
* @inheritdoc 
* @return PoiCoreQuery the active query used by this AR class. 
*/ 
public static function find() 
{ 
    $data= new PoiCoreQuery(get_called_class()); 
    return $data; 
} 
} 

和控制器

<?php 

namespace frontend\controllers; 

use Yii; 
use frontend\models\PoiCore; 
use frontend\models\PoiSearch; 
use yii\web\Controller; 
use yii\web\NotFoundHttpException; 
use yii\filters\VerbFilter; 

/** 
* PoiController implements the CRUD actions for PoiCore model. 
*/ 
class PoiController extends Controller 
{ 
public function behaviors() 
{ 
    return [ 
     'verbs' => [ 
      'class' => VerbFilter::className(), 
      'actions' => [ 
       'delete' => ['post'], 
      ], 
     ], 
    ]; 
} 

/** 
* Lists all PoiCore models. 
* @return mixed 
*/ 
public function actionIndex() 
{ 
    $searchModel = new PoiSearch(); 
    $dataProvider = $searchModel->search(Yii::$app->request->queryParams); 

    return $this->render('index', [ 
     'searchModel' => $searchModel, 
     'dataProvider' => $dataProvider, 
    ]); 
} 

/** 
* Displays a single PoiCore model. 
* @param integer $id 
* @return mixed 
*/ 
public function actionView($id) 
{ 
    return $this->render('view', [ 
     'model' => $this->findModel($id), 
    ]); 
} 

/** 
* Creates a new PoiCore model. 
* If creation is successful, the browser will be redirected to the 'view' page. 
* @return mixed 
*/ 
public function actionCreate() 
{ 
    $model = new PoiCore(); 

    if ($model->load(Yii::$app->request->post()) && $model->save()) { 
     return $this->redirect(['view', 'id' => $model->id]); 
    } else { 
     return $this->render('create', [ 
      'model' => $model, 
     ]); 
    } 
} 

/** 
* Updates an existing PoiCore model. 
* If update is successful, the browser will be redirected to the 'view' page. 
* @param integer $id 
* @return mixed 
*/ 
public function actionUpdate($id) 
{ 
    $model = $this->findModel($id); 

    if ($model->load(Yii::$app->request->post()) && $model->save()) { 
     return $this->redirect(['view', 'id' => $model->id]); 
    } else { 
     return $this->render('update', [ 
      'model' => $model, 
     ]); 
    } 
} 

/** 
* Deletes an existing PoiCore model. 
* If deletion is successful, the browser will be redirected to the 'index' page. 
* @param integer $id 
* @return mixed 
*/ 
public function actionDelete($id) 
{ 
    $this->findModel($id)->delete(); 

    return $this->redirect(['index']); 
} 

/** 
* Finds the PoiCore model based on its primary key value. 
* If the model is not found, a 404 HTTP exception will be thrown. 
* @param integer $id 
* @return PoiCore the loaded model 
* @throws NotFoundHttpException if the model cannot be found 
*/ 
protected function findModel($id) 
{ 
    if (($model = PoiCore::findOne($id)) !== null) { 
     return $model; 
    } else { 
     throw new NotFoundHttpException('The requested page does not exist.'); 
    } 
} 
}