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    1. 如何遍历 Yii CActiveDataProvider 对象?

      How to iterate over Yii CActiveDataProvider object?(如何遍历 Yii CActiveDataProvider 对象?)

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              1. 本文介绍了如何遍历 Yii CActiveDataProvider 对象?的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着跟版网的小编来一起学习吧!

                问题描述

                如何遍历数据提供者对象?我想访问返回的每一行的名称"字段并构建一个列表.你能帮忙吗?

                How to iterate over a dataprovider object? I want to access the 'name' field of each row returned and build a list. Can you help?

                表/模型的表结构categories

                CREATE TABLE IF NOT EXISTS `categories` (
                  `idCategory` int(10) unsigned NOT NULL AUTO_INCREMENT,
                  `name` varchar(64) NOT NULL,
                  PRIMARY KEY (`idCategory`) USING BTREE
                ) ENGINE=InnoDB  DEFAULT CHARSET=utf8 AUTO_INCREMENT=55 ;
                

                *我的控制器类别中的功能*

                *Function in my Controller Categories*

                    $names = array();
                    public function returnCategoryNames()
                {
                    $dataProvider= new CActiveDataProvider('Categories');
                    $dataProvider->setPagination(false);
                    $count = $dataProvider->totalItemCount();
                
                    for($i = 0; $i < $count; $i++){
                
                             // this is where I am lost...
                             $myname = $dataProvider->data[$i]->name;
                             array_push($names, $myname);
                
                    }   
                
                       return $names;
                
                }
                

                推荐答案

                试试这个:

                public function returnCategoryNames()
                {
                  $dataProvider= new CActiveDataProvider('Categories');
                  $dataProvider->setPagination(false);
                  //$count = $dataProvider->totalItemCount();
                  $names = array();
                  foreach($dataProvider->getData() as $record) {
                    $names[] = $record->name;
                  }
                  return array_unique($names);
                }
                

                但是你不需要使用数据提供者,而是使用模型

                However you dont need to use a data provider, instead just use the model

                foreach(Categories::model()->findAll() as $record) {
                

                这篇关于如何遍历 Yii CActiveDataProvider 对象?的文章就介绍到这了,希望我们推荐的答案对大家有所帮助,也希望大家多多支持跟版网!

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