我有一个带有div容器的主容器php文件。最初,加载页面时,默认情况下div容器不包含任何内容或html子代。当用户单击导航栏中的导航项时,我使用JQuery将php文件加载到此div容器中。

landingpage.php

<?php
require_once 'navbar.php';
?>

<!DOCTYPE html>
<html>
<head>
    <title>Admin | Dashboard</title>
    <link rel="stylesheet" href="css/dashboard_admin.css">
</head>
<body>
<div class="wrapper">
    <!-- CONTENT CONTAINER's content depends on what was clicked on navbar -->
    <div class="container" id="content_container">
        <div class="div_dashboardLabel" id="dashboard_Label">
            <h2 id="label_Dashboard">Admin Dashboard</h2>
        </div>
    </div>
    <!-- END OF CONTENT CONTAINER-->
</div>
<!-- end of wrapper-->

<script src="js/jquery-3.3.1.js"></script>
<script type="text/javascript">
    var user = '<?php echo json_encode($user);?>';
    var role = '<?php echo json_encode($role); ?>';
</script>
<script src="js/landingpage.js"></script>

</body>
</html>


Landingpage.js

/* GLOBAL VARIABLES WITHIN THIS DOCUMENT*/
var div_content_container = $("#content_container");
var navitem_dashboard = $("#admin_dashboard");
var navitem_admin_account_management = $("#admin_accountmanagement");

var userObj = JSON.parse(user);
var roleObj = JSON.parse(role);
var logout = $('#logout');
/* END */

$(document).ready(function(){
    loadDashboard(); // dashboard is loaded as default view.
    navitem_admin_account_management.on("click",loadAccountManagement);
});

function loadDashboard() {
    var url_admin_dashboard = 'view/admin_dashboard.php';
    var url_teacher_dashboard = 'view/teacher_dashboard.php';
    var url_student_dashboard = 'view/student_dashboard.php';
    div_content_container.html('');
    if (roleObj.rolename === 'Administrator') {
        div_content_container.load(url_admin_dashboard);
    } else if (roleObj.rolename === 'Teacher') {
        div_content_container.load(url_teacher_dashboard);
    } else if (roleObj.rolename === 'Student') {
        div_content_container.load(url_student_dashboard);
    }
}

function loadAccountManagement(){
    var url = 'view/admin_accountmanagement.php';
    div_content_container.html('');
    div_content_container.load(url);
}


一切工作都与使用landingpage.js作为前端的landingpage.php预期的一样。没问题。

问题是在admin_accountmanagement.php中加载div_content_container文件时。 admin_account_management.php的JS似乎没有绑定到元素:

function loadAccountManagement(){
    var url = 'view/admin_accountmanagement.php'; // has its JS file
    div_content_container.html('');
    div_content_container.load(url);
}


例如,以url'view/admin_accountmanagement.php',当用户单击导航栏项目“帐户管理”时,此页面将在div_content_container中加载。



<div class="wrapper">
    <!-- CONTENT CONTAINER's content depends on what was clicked on navbar -->
    <div class="container" id="content_container">
        <!-- view/admin_accountmanagement.php loaded here -->
    </div>
    <!-- END OF CONTENT CONTAINER-->
</div>


显示页面或替换div_content_container中包含的当前元素没有问题。问题是,当div_content_container中加载了view / admin_accountmanagement.php页面时,附加到view / admin_accountmanagement.php的JS文件似乎不适用。

已加载view / admin_accountmanagement.php,但绑定到view / admin_accountmanagement.php元素的单击事件不起作用。我知道这是因为我试图在alert()上显示$(document).ready()消息

admin_accountmanagement.php

<body>
    <div>
    <button class="button" id="btn_AddUser">
        Add New User
    </button>
    </div>
    <script src="js/admin_accountmanagement.js"></script> <!-- this JS doesn't seem to get binded when this page is loaded in the div_content_container -->
</body>


admin_accountmanagement.js

var btn_add_user = $('#btn_AddUser');

$(document).ready(function(){
    alert("TEST"); //doesn't work no alert message.
    btn_add_user.on("click",test); //doesn't work no alert message
});

function test(){
    alert("testing"); //doesn't work. no alert message
}


我只能显示页面,但是当我单击<button id="btn_AddUser">时,什么也没有发生。

鉴于我如何将页面的加载结构化为div_content_container,我该如何解决?

提前致谢。

最佳答案

将您的admin_accountmanagement.js更改为

var btn_add_user = $('#btn_AddUser');

alert('Account management js loaded'); // this should show alert

$(document).on("click",btn_add_user,test);

function test(){
    alert("testing"); //doesn't work. no alert message
}


此方法之所以有效,是因为绑定不依赖于“文档就绪”,因为在您首次加载父页面时已经触发了文档就绪

10-06 05:03
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