Php Yii嵌套设置为下拉菜单
我使用的是Yii嵌套集行为,这有助于保持我的类别嵌套,如图所示(不管标题行如何,它们都是俄语): 我想做的就是让引导嵌套菜单,应该是这样的:Php Yii嵌套设置为下拉菜单,php,drop-down-menu,yii,nested-sets,Php,Drop Down Menu,Yii,Nested Sets,我使用的是Yii嵌套集行为,这有助于保持我的类别嵌套,如图所示(不管标题行如何,它们都是俄语): 我想做的就是让引导嵌套菜单,应该是这样的: $criteria = new CDbCriteria; $criteria->order = 'root, lft'; $categories = Category::model()->findAll($criteria); foreach($categories as $i => $category)
$criteria = new CDbCriteria;
$criteria->order = 'root, lft';
$categories = Category::model()->findAll($criteria);
foreach($categories as $i => $category) {
$items[$i]['label'] = $category->title;
$items[$i]['url'] = $category->url;
$items[$i]['active'] = false;
$items[$i]['items'] = array(
array('label'=>'123', 'url'=>'#'),
array('label'=>'123', 'url'=>'#'),
array('label'=>'123', 'url'=>'#', 'items'=>array(
array('label'=>'1234', 'url'=>'#'),
array('label'=>'1234', 'url'=>'#'),
array('label'=>'1234', 'url'=>'#', 'items'=>array(
array('label'=>'1234', 'url'=>'#'),
array('label'=>'1234', 'url'=>'#'),
array('label'=>'1234', 'url'=>'#'),
)),
)),
);
}
$this->widget('bootstrap.widgets.TbMenu', array(
'type'=>'pills',
'stacked'=>false, // whether this is a stacked menu
'items'=>$items
));
我不知道该怎么做,顺便说一句,我读过,只是不知道如何实际应用这个函数来解决我的问题。感谢您的帮助。这是我用来格式化为json对象的函数,您可以修改它来生成php数组
protected function formatJstree(){
$categories = $this->descendants()->findAll();
$level=0;
$parent = 0;
$data = array();
foreach( $categories as $n => $category )
{
$node = array(
'data'=> "{$category->title}",
'attr'=>array('id'=>"category_id_{$category->category_id}")
);
if($category->level == $level){
$data[$parent]["children"][] = $node;
}
else if($level != 0 && $category->level > $level){
if(!isset($data[$n]["children"])){
$data[$n]["children"] = array();
}
$data[$parent]["children"][] = $node;
}
else
{
$data[] = $node;
$parent = $n;
}
$level=$category->level;
}
return $data;
}
最后,我自己的递归解决方案(适用于多个根):
用PHP和Yii(MVC框架)创建多级分类系统,而不仅仅是一项简单的任务。 1.在模型中创建函数 ` ` 现在在view/file.php中创建此代码
<?php
echo ‘<select id=”parent_id” class=”select” name=”Course[parent_id]” >’;
echo “<option value=’0′ >–Select Exam–</option>”;
echo Course::model()->getRootCategory($model->parent_id);
// ($model->parent_id) means selected text box
echo ‘</select>’; ?>
更多详细信息单击此url访问您将此代码放在何处?如果我使用$categories=$this->subjections(),我会得到:“语法错误或访问冲突:1064您的SQL语法有错误;检查与您的MySQL服务器版本对应的手册,以了解使用文档中的“near”和
t
rgt
的正确语法,确保您正确设置了扩展,并且数据库中的信息一致
function getRootCategory($cur_cat='') {
$sql='select id, course_name, parent_id from course where parent_id="0" and status=0';
$command=Yii::app()->db->createCommand($sql);
$return =$command->queryAll();
foreach($return as $rootCat){
if ($rootCat['id']==$cur_cat){
$test= 'selected=selected';
}else{
$test='';
}
$id=$rootCat['id'];
echo "".$rootCat['course_name'].'';
$this->sub_cat($rootCat['id'] , '', $cur_cat );
}
}
function sub_cat($parentID=0, $space='',$cur_cat ) {
$sql="select id, course_name, parent_id from course where parent_id='$parentID' and status=0";
$command=Yii::app()->db->createCommand($sql);
$return =$command->queryAll();
$count=count($return);
if($parentID==0){ $space=''; }else{ $space .=" - "; }
if($count > 0){
foreach($return as $subcat){
if ($subcat['id']==$cur_cat){$test='selected=selected';}else{$test='';}
$ids=$subcat['id'];
echo "".$space.$subcat['course_name'].'';
$this->sub_cat($subcat['id'],$space, $cur_cat );
}
}
}
<?php
echo ‘<select id=”parent_id” class=”select” name=”Course[parent_id]” >’;
echo “<option value=’0′ >–Select Exam–</option>”;
echo Course::model()->getRootCategory($model->parent_id);
// ($model->parent_id) means selected text box
echo ‘</select>’; ?>