$data['reg'] = $this->register->registerAcc($schoolID); $data['upd'] =$this->register->UpdateAcc($schoolID); $data['sus'] =$this->register->suspendAcc($schoolID);$this->load->view('account/accountInfo',$data);這是我的代碼，由更新、注冊和暫停組成。每個功能都有自己的“日期/時間”函數的每一端都有這樣的代碼：$this->db->order_by('register_Date','DESC');每個函數都有自己的日期，例如 register_Date ， updateAcc_Date但是我有一個問題，當我在頁面中顯示時，列表將從Date           Function       UserName05-09-2019  Register    Tom04-09-2019  Register    Bors01-09-2019  Register    Berry03-09-2019  Update      Laxy    05-09-2019  Suspend     Loi我想要的是Date           Function       UserName05-09-2019  Register    Tom05-09-2019  Suspend     Loi04-09-2019  Register    Bors03-09-2019  Update      Laxy    01-09-2019  Register    Berry下面是我的模型public function registerAcc($schoolID){ $this->db->select('*');$this->db->from('registerdata');$this->db->where('school_ID',$schoolID);$this->db->order_by('registerDate','DESC');$query = $this->db->get();return $result = $query->result();}public function UpdateAcc($schoolID){$this->db->select('*');$this->db->from('UserUpdateLog');$this->db->where('school_ID',$schoolID);$this->db->order_by('UpdateDate','DESC');$query = $this->db->get();return $result = $query->result();}public function suspendAcc($schoolID){$this->db->select('*');$this->db->from('SuspendedData');$this->db->where('school_ID',$schoolID);$this->db->order_by('SuspendDate','DESC');$query = $this->db->get();return $result = $query->result();}我的觀點<thead style="width:300px;"><th>Date</th><th>Function</th><th>UserName</th></thead><?phpforeach ($reg as $row) { ?><tr><td ><?php echo $row->registerDate;?></td><td><?php echo $row->registerStatus></td><td><?php echo $row->registerUserName></td></tr><?phpforeach ($upd as $row) { ?><tr><td ><?php echo $row->UpdateDate;?></td><td><?php echo $row->UpdateStatus></td><td><?php echo $row->UpdateUserName></td></tr>請注意：由 3 個不同的表組成并將其設置為 $data但是當它能夠按 DESC 排序但它會根據“注冊”、“更新”和“暫停”進行排序時，我希望它能夠混合在一起并排序