根据HTML / JS中的点击状态更改MYSQL中的读取状态

Question

我已经创建了一个收件箱，可以从mysqldb获取邮件。

我需要区分读取和未读电子邮件，我试图通过行中的内联样式来实现。 我在用户点击电子邮件并打开它时立即尝试这样做，在mysqldb中更改状态readstatus flag =＆＃34; YES＆＃34;，这是＆＃34; NO＆＃ 34;默认情况下。

但是，它仅适用于第一行。

视图

    <form action="<?php echo BASEURL; ?>home/movetotrash" method="POST" id="emailform" enctype="multipart/form-data">
    <center id="msg"></center>
    <table align="center" cellpadding="10" border="1" class="mailbox">


        <tr class="headrow">
            <th>Select</th>
            <th>From</th>
            <th>E-mail</th>
            <th>Subject</th>
            <th>Date</th>

        </tr>
        <?php
            $id="";
            $read = 0;
            $unread = 0;8*****-
            foreach($row as $alldata)
            {
                $id = $alldata->ID;
                if($alldata->READSTATUS=="YES"){
                $read++;
                echo "<tr id='".$alldata->ID."' bgcolor='lightgray'>";
                }else{
                    $unread++;
                    echo "<tr id='".$alldata->ID."' bgcolor='white'>";
                }
                    echo "<td><input type='checkbox' name='select[]' id='select' value=".$id." onclick='enablebtn()'></td>";
                    echo "<td class='mailcell' name='name[]' id='nameclick'>".$alldata->NAME."</td>";
                    echo "<td class='mailcell' name='sender[]' id='nameclick'>".$alldata->SENDER."</td>";
                    echo "<td class='mailcell' name='subject[]' id='nameclick'>".$alldata->SUBJECT."</td>";
                    echo "<td class='mailcell' name='date[]' id='nameclick'>".$alldata->DATE."</td>";

                echo "</tr>";
            }
        ?>
    </table>

<button type="submit" class="btn-primary" name='movetotrash' id="movetotrash" disabled">Delete</button>
</form>

控制器

public function showemail()
{
    $data['row'] = $this->user_model->inboxdb();
    $data['sentemail'] = $this->user_model->sentemaildb();
    $data['draftemail'] = $this->user_model->draftemaildb();
    $data['trashemail'] = $this->user_model->trashemaildb();
    $this->load->view('index',$data);
    $data['emaildata'] = $this->user_model->showemaildb();
    $id = $data['emaildata']->ID;
    $this->user_model->changereadstatus($id);
    $this->load->view("showemail", $data);
    $this->load->view('footer');
}

模型

public function changereadstatus($id)
    {
        $sql="update email set READSTATUS='YES' where ID='$id'";
        $res = $this->db->query($sql);
        return true;
    }