Question

我正在研究学生监督项目。我想创建一个包含可用项目主题的页面，当点击感兴趣的主题时，将该主题分配给具有该“id”的用户，并使链接不可用，例如，具有“可用”链接的主题可以更改'不可用'。

如果家里有人可以提供帮助，我真的会感到沮丧吗？

由于

Answer 1

你需要使用ajax，这样做并帮助你实时更改jquery

Answer 2

我做了一些小改动，用jquery

执行此操作

<body>
<table cellspacing="2" cellpadding="2" border="2">
    <?php $sql = "Select * from prject_topic"; $result = mysqli_query($conn, $sql);
    while($row = mysqli_fetch_assoc($result)) { ?>
        <tr>
            <td><?php echo $row['lecturer_name'];?></td>
            <td><?php echo $row['topic'];?></td>
            <td><span class="actu" id="<?php echo $row['project_id'];?>">
                    <?php echo $row['status'];?>
                </span>
            </td>
        </tr> <?php } ?>
    </table>


<script type="text/javascript">
    $(function(){
        //We capture the Click in the user item
        $(".actu").on('click', function(){
            //We take the ide of this item
            var id = $(this).attr('id');
                //We check the current status of the user
                if($(this).html() == "Deactivate"){
                    var est = "Activate";
                }else{
                    var est = "Deactivate";
                }

            //We made a request of type ajax sending by post the id for its update
            $.post('#.php',
                        {
                            'id':id,
                            'est':est
                        },
                        //We received the response from our php file which may be a code as in the example...
                        function(data){

                            if(data=="200"){
                                //If yes, update the content of the selected item in real time
                                $("#"+id).html('Deactivate');
                            }else{
                                //In case of error, we send the information
                                alert("Unable to disable user");
                            }

                    })
        })
    })
</script>
</body>

代码是为了您的理解而编写的

我需要一个脚本来更改链接时单击它到另一个内容

2 个答案: