XD 11點了~~!
直奔程式碼
controllesrs/users.php

<?php
class users extends CI_Controller{
   
    function __construct() {
        parent::__construct();
        //載入資料庫行為
        $this->load->model('users_sql');
        /**請參考 http://www.codeigniter.org.tw/user_guide/helpers/url_helper.html **/
        $this->load->helper('url');
    }
   
    function index(){
        $this->load->view('login');
    }
   
    function login(){
        $where = $this->input->post();
        $query = $this->users_sql->where_array($where,'users');
        /*num_rows() 請參考  :   http://www.codeigniter.org.tw/user_guide/database/results.html*/
        if($query->num_rows() > 0){
             $data['name'] = $this->input->post('account');
             $data['content'] = 'HI!HI!';
             $this->user($data);
        }else{
            redirect(site_url().'users/index');
        }
    }
   
    function user($array){
        $this->load->view('user',$array);
    }
   
}
?>

補充
views/login.php

//表單補傳送網址
<form id="form1" name="form1" method="post" action="<?=$link;?>index1.php/users/login">

完成圖

明天來補強程式
待續...