joomla2.5 各种数据操作的写法
2016-01-11 00:00
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数据查询
$db = JFactory::getDBO(); $query = $db->getQuery(true); $query->select('contact.user_id, MAX(contact.id) AS id, contact.language'); $query->from('#__contact_details AS contact'); $query->where('contact.published = 1'); $query->group('contact.user_id, contact.language'); $query->order('contact.ordering'); $db->setQuery($query); $rows = $db->loadObjectList();
SQL数据查询
$db = JFactory::getDbo(); $sql = 'SELECT * FROM #__users WHERE state=1'; $db->setQuery($sql); $rows = $db->loadObjectList(); foreach($rows as $row) { echo $row->name; echo $row->email; }
所有UserID的数组
$db = JFactory::getDbo(); $sql = 'SELECT id FROM #__users WHERE state=1'; $db->setQuery($sql); $userIds = $db->loadResultArray(); echo implode(', ', $userIds);
SQL更新记录
$db = JFactory::getDbo(); $title = '????'; $sql = 'UPDATE #__content SET title='.$db->Quote($title).' WHERE id=1'; $db->setQuery($sql); $db->query();
user存取数据
$user = new JUser(); $user->load($this->userId); $user->name = 'newname'; $user->save();
parameter存取数据
$table = JTable::getInstance( 'mytable'); $table->load($id); $params = new JParameter($table->params); $params->set($key,$value); $table->params = $params->toString(); $table->store();
基于JTable存取数据,必须有JTable实例
$table = JTable::getInstance( 'mytable', 'XxxTable'); $table->load($id); $table->title = '???'; $table->store();
如果table与model类在同一个组件里,可以用JModel::getTable
$table = $this->getTable( 'mytable', 'XxxTable'); $table->load($id);
get item attribute
$articleParams = new JRegistry; $articleParams->loadString($item->attribs); $item->alternative_readmore = $articleParams->get('alternative_readmore');
set item attribute
$table = JTable::getInstance( 'mytable'); $table->load($id); $articleParams = new JRegistry; $table->attribs = $articleParams->toString(); $table->store();
基于JModel存取数据,必定存在JModel实例
$model = JModel::getInstance('Articles', 'ContentModel'); $model->setState('filter.state', 1); $model->setState('list.ordering', 'publish_up'); $items = $model->getItems();
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