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 */
$(document).ready(function(){
loadDashboard(); // dashboard is loaded as default view.
navitem_admin_account_management.on("click",loadAccountManagement);
});
function loadDashboard() {
var url_admin_dashboard = 'view/admin_dashboard.php';
var url_teacher_dashboard = 'view/teacher_dashboard.php';
var url_student_dashboard = 'view/student_dashboard.php';
div_content_container.html('');
if (roleObj.rolename === 'Administrator') {
div_content_container.load(url_admin_dashboard);
} else if (roleObj.rolename === 'Teacher') {
div_content_container.load(url_teacher_dashboard);
} else if (roleObj.rolename === 'Student') {
div_content_container.load(url_student_dashboard);
}
}
function loadAccountManagement(){
var url = 'view/admin_accountmanagement.php';
div_content_container.html('');
div_content_container.load(url);
}
一切工作都与使用landingpage.js作为前端的landingpage.php预期的一样。没问题。
问题是在
admin_accountmanagement.php
中加载div_content_container
文件时。 admin_account_management.php的JS似乎没有绑定到元素:function loadAccountManagement(){
var url = 'view/admin_accountmanagement.php'; // has its JS file
div_content_container.html('');
div_content_container.load(url);
}
例如,以
url
为'view/admin_accountmanagement.php'
,当用户单击导航栏项目“帐户管理”时,此页面将在div_content_container
中加载。如
<div class="wrapper">
<!-- CONTENT CONTAINER's content depends on what was clicked on navbar -->
<div class="container" id="content_container">
<!-- view/admin_accountmanagement.php loaded here -->
</div>
<!-- END OF CONTENT CONTAINER-->
</div>
显示页面或替换
div_content_container
中包含的当前元素没有问题。问题是,当div_content_container
中加载了view / admin_accountmanagement.php页面时,附加到view / admin_accountmanagement.php的JS文件似乎不适用。已加载view / admin_accountmanagement.php,但绑定到view / admin_accountmanagement.php元素的单击事件不起作用。我知道这是因为我试图在
alert()
上显示$(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