php;"> php namespace BACkend\controllers; header("Content-type:text/html;charset=utf-8"); use Yii; use yii\web\Controller; //超级控制器类 use BACkend\models\BooksInfo; //表Model类 use BACkend\models\InfoSearch; //引入搜索Model类 use yii\data\ActiveDataProvider; //小部件数据源类 use yii\grid\GridView; //查询小部件 /** *@abstract BooksController *@author NING <[email ning@163.com]> *@version [version 1.0] [书籍管理] */ class BooksInfoController extends Controller {

//书籍列表
public function actionIndex()
{
$searchModel = new InfoSearch(); //实例化searchModel[搜索Model]
if(!empty($_GET['InfoSearch'])){
$getSearch = Yii::$app->request->get(); //接收搜索字段
$data = $searchModel->search($getSearch);
}else{
//小部件查询数据
$data = new ActiveDataProvider([
'query' => BooksInfo::find(),//查询数据
'pagination' => [
'pageSize' => 2,//每页显示条数
],'sort' => [
'defaultOrder' => [
// 'created_at' => SORT_DESC,'id' => SORT_ASC,//[字段]设置排序·
]
],]);
}
//传送查询数据、搜素Model
return $this->render('index',['data'=>$data,'searchModel'=>$searchModel]);
}
?>

php;"> php namespace BACkend\models; use Yii; use yii\db\ActiveRecord; /** *@abstract [BookForm] *@author NING <[email ning@163.com]> *@version [vector 1.0] [书籍详情模型] */ class BooksInfo extends ActiveRecord { /** * @设置表名 */ public static function tablename() { return '{{%books_info}}'; } //关联表 public function getBooksType(){ // hasOne要求返回两个参数 第一个参数是关联表的类名 第二个参数是两张表的关联关系 // 这里id是books_type表的id,关联books_info表的type_id return $this->hasOne(BooksType::className(),['id' => 'type_id']); } public function attributeLabels() { return [ 'id' => 'ID','book_name' => '书籍名称','book_face' => '书籍封面','type_id' => '书籍分类ID','type_name' => '书籍分类',]; } } ?>

php;"> php namespace BACkend\models; //命名空间 use Yii; use yii\base\Model; //引入基类Model use yii\data\ActiveDataProvider; //引入数据源类 /** *@abstract [搜索Model] *@return [type] *@author NING <[email ning@163.com]> */ // 注意:此处继承的是查询Model--->BooksInfo class InfoSearch extends BooksInfo { public $type_name; //定义属性变量 // 只有在 rules() 函数中声明的字段才可以搜索 public function rules() { return [ // [['book_name','type_name'],'safe'],[['type_name'],]; } public function scenarios() { // 旁路在父类中实现的 scenarios() 函数 return Model::scenarios(); } public function search($params) { $query = BooksInfo::find(); $dataProvider = new ActiveDataProvider([ 'query' => $query,'pagination' => [ 'pageSize' => 1,],]); /*这里的articlecategory是article模型里面关联的方法名，除了首字母，其他都要完全一样，否则会报错*/ $query->joinWith(['booksType']); // 从参数的数据中加载过滤条件，并验证 if (!($this->load($params) && $this->validate())) { return $dataProvider; } // 增加过滤条件来调整查询对象 $query->andFilterWhere(['like','book_name',$this->book_name]); //添加关联字段过滤条件[注意:此处books_type.type_name中books_type为分类表名] $query->andFilterWhere(['like','books_type.type_name',$this->type_name]); return $dataProvider; } } ?>

php;"> title = '图书列表'; ?>

Home
1. 图书信息

$data,//数据源 'filterModel' => $searchModel,//搜索列 'columns' => [ // ['filterModel' => $searchModel],['class' => 'yii\grid\checkboxcolumn'],//复选框列 ['attribute' => 'id'],['attribute' => 'book_name',['attribute' => 'book_face','content'=>function($model){ // 图片显示 return Html::img($model->book_face,['width'=>'50']); }],[ 'attribute' => 'type_name','value' => 'booksType.type_name',//两表联查[书籍类型] ],['class' => 'yii\grid\Actioncolumn','header'=>'操作'],//动作列 ],'pager' => [//自定义分页样式以及显示内容 'prevPageLabel'=>'上一页','nextPageLabel'=>'下一页','firstPageLabel' => '第一页','lastPageLabel' => '最后一页','options'=>['style'=>'margin-left:200px;','class'=>"pagination"],]); ?>