问题描述
我把下面的codeigniter代码为控制器和视图。当用户注销后退按钮不应该去上一页。但我的情况下，它移动到上一页.Pls帮助我解决这个问题。
I have placed below codeigniter code for controller and view.When a user logout the back button should not go to previous page.But i my case it moves to previous page.Pls help me to solve the issue.
控制器登录：
function index()
{
$data['main_content'] = 'login_form';
$this->load->view('includes/template', $data);
}
function logout()
{
$this->session->sess_destroy();
$this->index();
}
查看：login_form
view:login_form
<html>
<head>
<SCRIPT type="text/javascript">
window.history.forward();
function disableBack()
{
window.history.forward();
}
</SCRIPT></head>
<title>login_form</title>
<BODY onload="disableBack();" onpageshow="if(event.persisted) disableBack();"><div class="container">
<div class="row">
<div class="span4 logo">
<img src="<?php echo base_url('img/logosl.png'); ?>" style="margin-bottom:7px; margin-top:7px;"/>
</div>
<?php $this->load->view('includes/header'); ?>
<link rel="stylesheet" type="text/css" href="<?php echo base_url();?>css/style1.css" />
<div id="login_form">
<h1>Login!</h1>
<?php
echo form_open('login/validate_credentials');
echo form_input('username', 'Username');
echo form_password('password', 'Password');
echo form_submit('submit', 'Login');
echo anchor('login/signup', 'Create Account');
echo form_close();
?>
</div><!-- end login_form-->
<?php $this->load->view('includes/footer'); ?>
</body>
</html>
推荐答案
您的应用程序的页面
（即检查用户是否已从登录页面登录，并且用户具有正确的密钥），如果他不希望他重定向到登录页面。
您可以对您的应用程序应用正确的身份验证。
Instead of disabling back functionality you should check user's authentication on your application's pages(i.e check whether the user has logged in from login page and user has proper keys or not) if he doesn't that he should be redirected to the login page.You could do this by applying proper authentication on your application.
有关更多信息，请访问
http://msdn.microsoft.com/ en-us / library / 532aee0e（VS.71）.aspx [^]
for more information go herehttp://msdn.microsoft.com/en-us/library/532aee0e(VS.71).aspx[^]
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