A PHP Error was encountered

cxm11

A PHP Error was encounteredSeverity: Notice
Message: Undefined property: Login_controller:input
Filename: controllers/login_controller.php
Line Number: 13


Fatal error: Call to a member function post() on a non-object in C:\xampp\htdocs\CI\application\controllers\login_controller.php on line 13
这是为什么？

yuzhigang5460

童鞋看手册先，$this->load->library("input");