YII2 CURD 增删改查

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backend\controllers\PostController.php

<?php

namespace backend\controllers;

use Yii;
use common\models\Post;
use common\models\search\PostSearch;
use yii\web\Controller;
use yii\web\NotFoundHttpException;
use yii\filters\VerbFilter;
use frontend\base\BaseFrontController;
use backend\base\BaseBackController;

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

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

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

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

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

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

backend\models\Post.php

<?php
namespace common\models;
use Yii;
use base\BaseActiveRecord;

/**
 * This is the model class for table "post".
 *
 * @property integer $id
 * @property integer $thread_id
 * @property integer $user_id
 * @property string $user_name
 * @property string $title
 * @property string $body
 * @property string $create_time
 * @property string $modify_time
 * @property integer $supports
 * @property integer $againsts
 * @property integer $floor
 * @property string $note
 */
class Post extends BaseActiveRecord
{

	/**
	 * @inheritdoc
	 */
	public static function tableName()
	{
		return 'post';
	}

	/**
	 * @inheritdoc
	 */
	public function rules()
	{
		return [
				[
						[
								'thread_id',
								'user_id',
								'user_name',
								'body',
								'create_time'
						],
						'required'
				],
				[
						[
								'thread_id',
								'user_id',
								'supports',
								'againsts',
								'floor'
						],
						'integer'
				],
				[
						[
								'body'
						],
						'string'
				],
				[
						[
								'create_time',
								'modify_time'
						],
						'safe'
				],
				[
						[
								'user_name'
						],
						'string',
						'max' => 32
				],
				[
						[
								'title'
						],
						'string',
						'max' => 128
				],
				[
						[
								'note'
						],
						'string',
						'max' => 64
				]
		];
	}

	/**
	 * @inheritdoc
	 */
	public function attributeLabels()
	{
		return [
				'id' => 'ID',
				'thread_id' => 'Thread ID',
				'user_id' => 'User ID',
				'user_name' => 'User Name',
				'title' => '标题',
				'body' => '内容',
				'create_time' => 'Create Time',
				'modify_time' => 'Modify Time',
				'supports' => '支持数',
				'againsts' => '反对数',
				'floor' => '楼层',
				'note' => 'Note'
		];
	}
}

<?php

use yii\helpers\Html;
use yii\grid\GridView;

/**
 * @var yii\web\View $this
 * @var yii\data\ActiveDataProvider $dataProvider
 * @var common\models\search\PostSearch $searchModel
 */

$this->title = 'Posts';
$this->params['breadcrumbs'][] = $this->title;
?>
<div class="post-index">

    <h1><?= Html::encode($this->title) ?></h1>

    <?php // echo $this->render('_search', ['model' => $searchModel]); ?>

    <p>
        <?= Html::a('Create Post', ['create'], ['class' => 'btn btn-success']) ?>
    </p>

    <?= GridView::widget([
        'dataProvider' => $dataProvider,
        'filterModel' => $searchModel,
        'columns' => [
            ['class' => 'yii\grid\SerialColumn'],

            'id',
            'thread_id',
            'user_id',
            'user_name',
            'title',
            // 'body:ntext',
            // 'create_time',
            // 'modify_time',
            // 'supports',
            // 'againsts',
            // 'floor',
            // 'note',

            ['class' => 'yii\grid\ActionColumn'],
        ],
    ]); ?>

</div>

<?php

use yii\helpers\Html;

/**
 * @var yii\web\View $this
 * @var common\models\Post $model
 */

$this->title = 'Create Post';
$this->params['breadcrumbs'][] = ['label' => 'Posts', 'url' => ['index']];
$this->params['breadcrumbs'][] = $this->title;
?>
<div class="post-create">

    <h1><?= Html::encode($this->title) ?></h1>

    <?= $this->render('_form', [
        'model' => $model,
    ]) ?>

</div>

<?php

use yii\helpers\Html;

/**
 * @var yii\web\View $this
 * @var common\models\Post $model
 */

$this->title = 'Update Post: ' . $model->title;
$this->params['breadcrumbs'][] = ['label' => 'Posts', 'url' => ['index']];
$this->params['breadcrumbs'][] = ['label' => $model->title, 'url' => ['view', 'id' => $model->id]];
$this->params['breadcrumbs'][] = 'Update';
?>
<div class="post-update">

    <h1><?= Html::encode($this->title) ?></h1>

    <?= $this->render('_form', [
        'model' => $model,
    ]) ?>

</div>

<?php

use yii\helpers\Html;
use yii\widgets\DetailView;

/**
 * @var yii\web\View $this
 * @var common\models\Post $model
 */

$this->title = $model->title;
$this->params['breadcrumbs'][] = ['label' => 'Posts', 'url' => ['index']];
$this->params['breadcrumbs'][] = $this->title;
?>
<div class="post-view">

    <h1><?= Html::encode($this->title) ?></h1>

    <p>
        <?= Html::a('Update', ['update', 'id' => $model->id], ['class' => 'btn btn-primary']) ?>
        <?= Html::a('Delete', ['delete', 'id' => $model->id], [
            'class' => 'btn btn-danger',
            'data' => [
                'confirm' => 'Are you sure you want to delete this item?',
                'method' => 'post',
            ],
        ]) ?>
    </p>

    <?= DetailView::widget([
        'model' => $model,
        'attributes' => [
            'id',
            'thread_id',
            'user_id',
            'user_name',
            'title',
            'body:ntext',
            'create_time',
            'modify_time',
            'supports',
            'againsts',
            'floor',
            'note',
        ],
    ]) ?>

</div>

<?php

use yii\helpers\Html;
use yii\widgets\ActiveForm;

/**
 * @var yii\web\View $this
 * @var common\models\Post $model
 * @var yii\widgets\ActiveForm $form
 */
?>

<div class="post-form">

    <?php $form = ActiveForm::begin(); ?>

    <?= $form->field($model, 'thread_id')->textInput() ?>

    <?= $form->field($model, 'user_id')->textInput() ?>

    <?= $form->field($model, 'user_name')->textInput(['maxlength' => 32]) ?>

    <?= $form->field($model, 'title')->textInput(['maxlength' => 128]) ?>

    <?= $form->field($model, 'body')->textarea(['rows' => 6]) ?>

    <?= $form->field($model, 'create_time')->textInput() ?>

    <?= $form->field($model, 'supports')->textInput() ?>

    <?= $form->field($model, 'againsts')->textInput() ?>

    <?= $form->field($model, 'floor')->textInput() ?>

    <?= $form->field($model, 'modify_time')->textInput() ?>

    <?= $form->field($model, 'note')->textInput(['maxlength' => 64]) ?>

    <div class="form-group">
        <?= Html::submitButton($model->isNewRecord ? 'Create' : 'Update', ['class' => $model->isNewRecord ? 'btn btn-success' : 'btn btn-primary']) ?>
    </div>

    <?php ActiveForm::end(); ?>

</div>

<?php

use yii\helpers\Html;
use yii\widgets\ActiveForm;

/**
 * @var yii\web\View $this
 * @var common\models\search\PostSearch $model
 * @var yii\widgets\ActiveForm $form
 */
?>

<div class="post-search">

    <?php $form = ActiveForm::begin([
        'action' => ['index'],
        'method' => 'get',
    ]); ?>

    <?= $form->field($model, 'id') ?>

    <?= $form->field($model, 'thread_id') ?>

    <?= $form->field($model, 'user_id') ?>

    <?= $form->field($model, 'user_name') ?>

    <?= $form->field($model, 'title') ?>

    <?php // echo $form->field($model, 'body') ?>

    <?php // echo $form->field($model, 'create_time') ?>

    <?php // echo $form->field($model, 'modify_time') ?>

    <?php // echo $form->field($model, 'supports') ?>

    <?php // echo $form->field($model, 'againsts') ?>

    <?php // echo $form->field($model, 'floor') ?>

    <?php // echo $form->field($model, 'note') ?>

    <div class="form-group">
        <?= Html::submitButton('Search', ['class' => 'btn btn-primary']) ?>
        <?= Html::resetButton('Reset', ['class' => 'btn btn-default']) ?>
    </div>

    <?php ActiveForm::end(); ?>

</div>

YII2 CURD 增删改查

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原文地址：http://blog.csdn.net/xiaoyangxiaodong/article/details/44995533