order_by

void order_by(mixed $order_by [, string $direction] )

例如：

function customers_example() {
 $crud = new grocery_CRUD();
 
 $crud->set_table('customers')
 ->set_subject('Customer')
 ->columns('customerName','contactLastName','creditLimit');
 
 $crud->fields('customerName','contactLastName','city','creditLimit');
 
 $crud->order_by('creditLimit','desc');
 
 $output = $crud->render();
 
 $this->_example_output($output);
}