PHP CategoryModel::delete方法代码示例

 public function deleteAction()
 {
     $catmodel = new CategoryModel("category");
     $catmodel = new CategoryModel("category");
     $cat_id = $_GET["cat_id"];
     if ($catmodel->delete($cat_id)) {
         $this->jump("index.php?p=admin&c=Category&a=index", "删除成功", $wait = 1);
     } else {
         $this->jump("index.php?p=admin&c=Category&a=index", "删除失败", $wait = 1);
     }
 }

 public function deleteAction()
 {
     $Request = Request::getInstance();
     $id = isset($Request->id) ? (int) $Request->id : 0;
     $Category = new CategoryModel($id);
     if (!$Category->load()) {
         $_SESSION['_MESSAGE_'] = _('That Category doesn\'t exists');
         header('Location: ' . BASE_URL . '/category');
         exit;
     }
     if (!$Category->delete()) {
         $_SESSION['_MESSAGE_'] = _('Couldn\'t delete Category');
         header('Location: ' . BASE_URL . '/category');
         exit;
     }
     $_SESSION['_MESSAGE_'] = _('Deleted');
     header('Location: ' . BASE_URL . '/category');
     exit;
 }

 /**
  * 删除数据
  */
 function del()
 {
     //implode序列化主键Id为：1,2,3,...以便批量删除
     $del_id = $_POST['del_id'];
     $catid = implode($del_id, ',');
     //实例化模型
     $category = new CategoryModel();
     $article = new ArticleModel();
     $menu_items = new MenuItemModel();
     //删除分类
     if ($category->delete($catid)) {
         //删除文章的where语句
         $where = array('catid' => array('in', $catid));
         //删除文章
         $article->where($where)->delete();
         //删除类别后删除菜单项中的类别
         $menu_where = array('type_id' => array('in', $catid), 'type' => 'Category');
         $menu_items->where($menu_where)->delete();
         $this->assign('jumpUrl', __URL__ . '/index');
         $this->success('分类,下属文章以及相应的菜单项删除成功~~~~');
     } else {
         $this->assign('jumpUrl', __URL__ . '/index');
         $this->error('分类删除失败!' . $category->getError());
     }
 }

 /**
  * Deleting a category.
  *
  * @since 2.0.0
  * @access public
  *
  * @param int $CategoryID Unique ID of the category to be deleted.
  */
 public function deleteCategory($CategoryID = false)
 {
     // Check permission
     $this->permission(['Garden.Community.Manage', 'Garden.Settings.Manage'], false);
     // Set up head
     $this->addJsFile('manage-categories.js');
     $this->title(t('Delete Category'));
     $this->setHighlightRoute('vanilla/settings/categories');
     // Get category data
     $this->Category = $this->CategoryModel->getID($CategoryID);
     if (!$this->Category) {
         $this->Form->addError('The specified category could not be found.');
     } else {
         // Make sure the form knows which item we are deleting.
         $this->Form->addHidden('CategoryID', $CategoryID);
         // Get a list of categories other than this one that can act as a replacement
         $this->OtherCategories = $this->CategoryModel->getWhere(array('CategoryID <>' => $CategoryID, 'AllowDiscussions' => $this->Category->AllowDiscussions, 'CategoryID >' => 0), 'Sort');
         if (!$this->Form->authenticatedPostBack()) {
             $this->Form->setFormValue('DeleteDiscussions', '1');
             // Checked by default
         } else {
             $ReplacementCategoryID = $this->Form->getValue('ReplacementCategoryID');
             $ReplacementCategory = $this->CategoryModel->getID($ReplacementCategoryID);
             // Error if:
             // 1. The category being deleted is the last remaining category that
             // allows discussions.
             if ($this->Category->AllowDiscussions == '1' && $this->OtherCategories->numRows() == 0) {
                 $this->Form->addError('You cannot remove the only remaining category that allows discussions');
             }
             /*
             // 2. The category being deleted allows discussions, and it contains
             // discussions, and there is no replacement category specified.
             if ($this->Form->errorCount() == 0
                && $this->Category->AllowDiscussions == '1'
                && $this->Category->CountDiscussions > 0
                && ($ReplacementCategory == FALSE || $ReplacementCategory->AllowDiscussions != '1'))
                $this->Form->addError('You must select a replacement category in order to remove this category.');
             */
             // 3. The category being deleted does not allow discussions, and it
             // does contain other categories, and there are replacement parent
             // categories available, and one is not selected.
             /*
             if ($this->Category->AllowDiscussions == '0'
                && $this->OtherCategories->numRows() > 0
                && !$ReplacementCategory) {
                if ($this->CategoryModel->getWhere(array('ParentCategoryID' => $CategoryID))->numRows() > 0)
                   $this->Form->addError('You must select a replacement category in order to remove this category.');
             }
             */
             if ($this->Form->errorCount() == 0) {
                 // Go ahead and delete the category
                 try {
                     $this->CategoryModel->delete($this->Category, $this->Form->getValue('ReplacementCategoryID'));
                 } catch (Exception $ex) {
                     $this->Form->addError($ex);
                 }
                 if ($this->Form->errorCount() == 0) {
                     $this->RedirectUrl = url('vanilla/settings/categories');
                     $this->informMessage(t('Deleting category...'));
                 }
             }
         }
     }
     // Render default view
     $this->render();
 }

<?php

/*
后台文件
category栏目删除文件
*/
define('ACC', true);
require '../system/init.php';
$cat_id = $_GET['cat_id'] + 0;
/*
判断该栏目是否有子栏目，没有则不能删，后台检验（还有前台检验和数据库检验）
如果有子栏目则不能删除
*/
$cat = new CategoryModel();
$sons = $cat->getSon($cat_id);
if (!empty($sons)) {
    exit("You need to delete sub categories before delete this subject! ");
}
$isDel = $cat->delete($cat_id);
if ($isDel) {
    echo "OK";
} else {
    echo "Fail";
}
include __ROOT__ . 'admin/catelist.php';

 function handleDeleteCategory($id_category)
 {
     CategoryModel::delete($id_category);
     $this->redirect('this');
 }