모델

////////////////////////////////////////////////////////// 코멘트 및 게시판 관련 ///////////////////////////////////////////////////////
 function comment_write($id) {

  $insert_data = array(
   'id' => $this->input->post('id'),
   'keyword' => $this->input->post('keyword'),
   'pass' => md5($this->input->post('pass')),
   'name' => $this->input->post('name'),
   'subject' => substr($this->input->post('text'),0,40),
   'text' => $this->input->post('text'),
   'reg_date' => date("Y-m-d H:i:s")
  );

  $insert = $this->db->insert('comment', $insert_data);

  if($insert) {
   return TRUE;
  } else {
   return FALSE;
  }
 }


컨트롤러

 function comment_write() {

  $user_id = $this->session->userdata('ss_userid',TRUE);
  $query = $this->say_m->comment_write($user_id);
 }


뷰어
    <?
     $http = "/main/comment_write";
     $attributes = array('id'=>'cw_form','class'=>'form-signin','role'=>'form');
     echo form_open($http,$attributes);
    ?>

     <div class="input-group">
      <input type="hidden" class="form-control" name='keyword' id='keyword' value='<?=$gets->keyword; ?>' />
      <input type="hidden" class="form-control" name='id' id='id' value='<?=$this->session->userdata('ss_userid',TRUE); ?>' />
     </div>
     <div class="input-group">
      <span class="input-group-addon">이름 <font color='red'>(필수)</font></span>
      <input type='text' class="form-control" name='name' id='name' placeholder="이름"></textarea>
      <span class="input-group-addon">비밀번호 <font color='red'>(필수)</font></span>
      <input type="password" class="form-control" name='pass' id='pass' placeholder="비밀번호" required />
     </div>
     <div class="input-group">
      <span class="input-group-addon">내용 <font color='red'>(필수)</font></span>
      <textarea class="form-control" name='text' id='text' cols='80' rows='5' placeholder="내용을 입력해 주세요."></textarea>
     </div>
     <div style='color:#ff0000; padding:8px; display:block;'></div>

     <button id='submit' class="btn btn-sm btn-info btn-block" type="submit"> 댓글 쓰기 </button>
    </form>