About ThinkPHP's method of accessing non-existent modules and jumping to the 404 page

This article mainly introduces the method of ThinkPHP to jump to the 404 page when accessing non-existent modules. Friends who need it can refer to it

First create a new file EmptyAction.class.php in ACTION and its code As follows:

<?php 
 class EmptyAction extends Action{ 
 function _empty(){ 
  header("HTTP/1.0 404 Not Found");//使HTTP返回404状态码 
  $this->display("Public:404"); 
 } 
 } 
 ?>

When using the apache server, you need to add ErrorDocument 404 /404.html to the website configuration in apache.

When using the iis server, you need to set the 404 error page under IIS/ASP.net in iis.

Open the apache httpd.conf configuration file or create a new .htaccess configuration file

First, modify the settings of the application root directory, open the "web.config" file for editing, and add the following content:

<configuration>
 <system.web>
 <customErrors mode=”On” defaultRedirect=”error.asp”>
 <error statusCode=”404″ redirect=”notfound.asp” />
 </customErrors>
 </system.web>
 </configuration>

Note: In the above example, "error.asp" is the system's default 404 page, and "notfound.asp" is a customized 404 page. Please modify the corresponding file name when using it.
Then, add to the customized 404 page "notfound.asp":

<%
 Response.Status = “404 Not Found”
 %>

php's 404 page:

 if(//如果没有任何结果)
   {
   //以前是仅仅显示“该帖子已经不存在”的提示，现在是：
   require('/404.php');
   @header('HTTP/1.1 404 Not Found'');
   @header('Status: 404 Not Found');
   exit;
   }

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