yii2.0用gii自动补全代码做的简单增删改查，以及图片上传和展示

时间：2022-07-20 21:20:44

首先已经用gii根据model层生成了控制器，模型，视图层。

表结构为如图所示：表名为zhoukao1,

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" alt="" />

controllers层里：Zhoukao1Controller.php

 <?php

 namespace frontend\controllers;

 use Yii;

 use app\models\Zhoukao1;

 use app\models\UploadForm;

 use app\models\search\ZhoukaoSearch;

 use yii\web\Controller;

 use yii\web\NotFoundHttpException;

 use yii\filters\VerbFilter;

 use yii\web\UploadedFile;

 /**

  * Zhoukao1Controller implements the CRUD actions for Zhoukao1 model.

  */

 class Zhoukao1Controller extends Controller

 {

     /**

      * @inheritdoc

      */

     public function behaviors()

     {

         return [

             'verbs' => [

                 'class' => VerbFilter::className(),

                 'actions' => [

                     'delete' => ['POST'],

                 ],

             ],

         ];

     }

     /**

      * Lists all Zhoukao1 models.

      * @return mixed

      */

     public function actionIndex()

     {

         $searchModel = new ZhoukaoSearch();

         $dataProvider = $searchModel->search(Yii::$app->request->queryParams);

         //print_r($model);die;

         return $this->render('index', [

             'searchModel' => $searchModel,

             'dataProvider' => $dataProvider,

         ]);

     }

     /**

      * Displays a single Zhoukao1 model.

      * @param integer $id

      * @return mixed

      */

     public function actionView($id)

     {

         return $this->render('view', [

             'model' => $this->findModel($id),

         ]);

     }

     /**

      * Creates a new News model.

      * If creation is successful, the browser will be redirected to the 'view' page.

      * @return mixed

      */

     public function actionCreate()

     {   //实例化了一个上传model和表model

         $model = new Zhoukao1();

         $upload_model = new UploadForm();

         //判断是否是post传值

         if (Yii::$app->request->isPost) {

            $post=Yii::$app->request->post();

             /*$data=['name'=>$post['Zhoukao1']['name'],

                 'price'=>$post['Zhoukao1']['price'],

                 'address'=>$post['Zhoukao1']['address'],

                 'tuijain'=>$post['Zhoukao1']['tuijain'],

             ];*/

             $upload_model->file = \yii\web\UploadedFile::getInstance($upload_model, 'file');

             if ($upload_model->file && $upload_model->validate()) {

                 $filename='uploads/' . $upload_model->file->baseName . '.' . $upload_model->file->extension;

                  $upload_model->file->saveAs($filename);

                 /* $data['file']=$filename;*/

                  $post['Zhoukao1']['file']=$filename;

             }

             //model层自定义一个方法，下面是另一种方法

             /*$a=$model->create1($data);

             if ($model->load($post)&&$model->save()) {

              return $this->redirect(['view', 'id' => $model->id]);

             }*/

             if ($model->load($post)&&$model->save()) {

              return $this->redirect(['view', 'id' => $model->id]);

             }

         }else {

             //echo 1;die;

             return $this->render('create', [

                 'model' => $model,

                 'upload_model'=>$upload_model,

             ]);

          }

     }

     /**

      * Updates an existing Zhoukao1 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 Zhoukao1 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 Zhoukao1 model based on its primary key value.

      * If the model is not found, a 404 HTTP exception will be thrown.

      * @param integer $id

      * @return Zhoukao1 the loaded model

      * @throws NotFoundHttpException if the model cannot be found

      */

     protected function findModel($id)

     {

         if (($model = Zhoukao1::findOne($id)) !== null) {

             return $model;

         } else {

             throw new NotFoundHttpException('The requested page does not exist.');

         }

     }

 }

models层：分为两个，一个上传图片UploadFrom.php和Zhoukao1.php

UploadFrom.php代码如下：

 <?php

     namespace app\models;

     use yii\base\Model;

     use yii\web\UploadedFile;

     /**

     * UploadForm is the model behind the upload form.

     */

     class UploadForm extends Model

     {

         /**

          * @var UploadedFile file attribute

          */

         public $file;

         /**

          * @return array the validation rules.

          */

         public function rules()

         {

             return [

                 [['file'], 'file'],

             ];

         }

     }

Zhoukao1.php代码如下：（注意rules规则里字段或多或少都需要设置一下，否则接不到值。）

 <?php

 namespace app\models;

 use Yii;

 /**

  * This is the model class for table "zhoukao1".

  *

  * @property integer $id

  * @property string $name

  * @property string $price

  * @property string $address

  * @property integer $tuijain

  */

 class Zhoukao1 extends \yii\db\ActiveRecord

 {

     /**

      * @inheritdoc

      */

     public static function tableName()

     {

         return 'zhoukao1';

     }

     //自定义一个插入方法

    public function create1($data)//AR模式1

     {

         $this->setAttributes($data);//载入数据

         return $this->insert();//返回结果

     } 

     /**

      * @inheritdoc

      */

     public function rules()

     {

         return [

             [['name'], 'required'],

             [['price'], 'number'],

             [['tuijain'], 'integer'],

             [['name', 'address'], 'string', 'max' => 255],

             [['file'],'string','max' => 255]

         ];

     }

     /**

      * @inheritdoc

      */

     public function attributeLabels()

     {

         return [

             'id' => 'ID',

             'name' => 'Name',

             'price' => 'Price',

             'address' => 'Address',

             'tuijain' => 'Tuijain',

             'file' => 'File',

         ];

     }

 }

ZhoukaoSearch.php:搜索model(一般单独放置到models/search文件夹里)

<?php

namespace app\models\search;

use Yii;

use yii\base\Model;

use yii\data\ActiveDataProvider;

use app\models\Zhoukao1;

/**

 * ZhoukaoSearch represents the model behind the search form about `app\models\Zhoukao1`.

 */

class ZhoukaoSearch extends Zhoukao1

{

    /**

     * @inheritdoc

     */

    public function rules()

    {

        return [

            [['id', 'tuijain'], 'integer'],

            [['name', 'address'], 'safe'],

            [['price'], 'number'],

        ];

    }

    /**

     * @inheritdoc

     */

    public function scenarios()

    {

        // bypass scenarios() implementation in the parent class

        return Model::scenarios();

    }

    /**

     * Creates data provider instance with search query applied

     *

     * @param array $params

     *

     * @return ActiveDataProvider

     */

    public function search($params)

    {

        $query = Zhoukao1::find();

        // add conditions that should always apply here

        $dataProvider = new ActiveDataProvider([

            'query' => $query,

        ]);

        $this->load($params);

        if (!$this->validate()) {

            // uncomment the following line if you do not want to return any records when validation fails

            // $query->where('0=1');

            return $dataProvider;

        }

        // grid filtering conditions

        $query->andFilterWhere([

            'id' => $this->id,

            'price' => $this->price,

            'tuijain' => $this->tuijain,

        ]);

        $query->andFilterWhere(['like', 'name', $this->name])

            ->andFilterWhere(['like', 'address', $this->address]);

        return $dataProvider;

    }

}

接下来该views层了：

form.php里记得带文件上传头部：

 <?php

 use yii\helpers\Html;

 use yii\widgets\ActiveForm;

 /* @var $this yii\web\View */

 /* @var $model app\models\Zhoukao1 */

 /* @var $form yii\widgets\ActiveForm */

 ?>

 <div class="zhoukao1-form">

     <?php $form = ActiveForm::begin(['options' => ['enctype' => 'multipart/form-data']]); ?>

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

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

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

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

    <?= $form->field($upload_model, 'file')->fileInput() ?>

     <div class="form-group">

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

     </div>

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

 </div>

create.php里

 <?php

 use yii\helpers\Html;

 /* @var $this yii\web\View */

 /* @var $model app\models\Zhoukao1 */

 $this->title = 'Create Zhoukao1';

 $this->params['breadcrumbs'][] = ['label' => 'Zhoukao1s', 'url' => ['index']];

 $this->params['breadcrumbs'][] = $this->title;

 ?>

 <div class="zhoukao1-create">

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

         'model' => $model,

         'upload_model' => $upload_model,//记得加上上传model,否则报错找不到。

     ]) ?>

 </div>

index.php展示页

 <?php

 use yii\helpers\Html;

 use yii\grid\GridView;

 /* @var $this yii\web\View */

 /* @var $searchModel app\models\search\ZhoukaoSearch */

 /* @var $dataProvider yii\data\ActiveDataProvider */

 $this->title = 'Zhoukao1s';

 $this->params['breadcrumbs'][] = $this->title;

 ?>

 <div class="zhoukao1-index">

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

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

     <p>

         <?= Html::a('创建', ['create'], ['class' => 'btn btn-success']) ?>

     </p>

     <?= GridView::widget([

         'dataProvider' => $dataProvider,

         'filterModel' => $searchModel,

         'columns' => [

             ['class' => 'yii\grid\SerialColumn'],

             'id',

             'name'=>[//固定格式
                　　'attribute'=>'string',
                　　'format'=>'raw',
               　　 'value'=>function($model){
                    　　return '*'.substr("$model->name",3);
               　　 }
　　　　　　　　　　],
          　　  'tel'=>[
               　　 'attribute'=>'string',
               　　 'format'=>'raw',
               　　 'value'=>function($model){
                 　　   return substr("$model->tel",0,3).'****'.substr("$model->tel",-4);
              　　  }
　　　　　　　　　　],

             'price',

             'address:ntext',

             'tuijain',

             ['attribute'=>'file',  //我的图片字段是file,还有一种显示方法为‘file:image’ ,但是图片大小不能控制。

              'format' => ['image',['width'=>'50','height'=>'30',]],

              ],//这是展示图片的

             [//自定义按钮
                'class' => 'yii\grid\ActionColumn',
                'template' => '{view} {update}',
                'header' => '操作',
                'buttons' => [
                'view' => function ($url, $model, $key) { 
                    return Html::a('查看', $url, ['title' => '获取xxx'] ); 
                 　　},
               　　 ],
          　　  ],

             ['class' => 'yii\grid\ActionColumn'],

         ],

     ]); ?>

 </div>

其他的页面都是gii自动生成的代码。

注：本文由王智磊（王大宝儿）整理编写，也参考借鉴了很多大神的笔记，分享代码，分享成功，欢迎各位交流和转载，转载请注明出处（博客园：王大宝儿）http://www.cnblogs.com/wangzhilei/

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