如何迭代Yii CActiveDataProvider对象? [英] How to iterate over Yii CActiveDataProvider object?
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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'name'字段并构建一个列表。你可以帮忙吗?
表格/模型的表格结构类别
$ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $' name`varchar(64)NOT NULL,
PRIMARY KEY(`idCategory`)使用BTREE
)ENGINE = InnoDB DEFAULT CHARSET = utf8 AUTO_INCREMENT = 55;
* 我的控制器类别中的功能 *
$ names = array();
public function returnCategoryNames()
{
$ dataProvider = new CActiveDataProvider('Categories');
$ dataProvider-> setPagination(false);
$ count = $ dataProvider-> totalItemCount();
($ i = 0; $ i <$ count; $ i ++){
//这是我迷失的地方...
$ myname = $ dataProvider-> data [$ i] - > name;
array_push($ names,$ myname);
}
返回$ names;
解决方案试试这个:
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);
}
然而,您不需要使用数据提供者,而只需使用模型
foreach(Categories :: model() - > findAll()as $ record){
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?
Table structure for table/model 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 ;
*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;
}
解决方案 Try this:
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);
}
However you dont need to use a data provider, instead just use the model
foreach(Categories::model()->findAll() as $record) {
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