用AR操作关联数据表

table

category（id，category...）

content (id, cid, title...)

model

public function relations()
{
    return array(
        'cate_r'=>array(self::BELONGS_TO, 'Category', 'cid'),
    );
}

public function attributeLabels()
{
		return array(
			'id' => 'ID',
			'cid' => 'Cid',
                        'cate_r'=>'分类',

}

public function rules()
{

array('id, cid, cate_r, title....', 'safe', 'on'=>'search'),

}

view

admin.php

array(
     'name' => 'category_name',
     'value' => '$data->cate_r->category',

),

_search.php

<?php echo $form->label($model,'cate_r'); ?>
<?php echo $form->textField($model,'cate_r',array('size'=>60, 'maxlength'=>60)); ?>