How to disable ajax caching

This article mainly shows you "how to disable ajax caching", the content is easy to understand, clear, hope to help you solve your doubts, the following let the editor lead you to study and learn "how to prohibit ajax caching" this article.

1. Disable ajax caching in ASP:

'put it at the beginning of the ASP page

Response.expires=0Response.addHeader ("pragma", "no-cache") Response.addHeader ("Cache-Control", "no-cache, must-revalidate")

2. Disable Ajax caching in PHP:

/ put at the beginning of the PHP page header ("Expires: Thu, 01 Jan 1970 00:00:01 GMT"); header ("Cache-Control: no-cache, must-revalidate"); header ("Pragma: no-cache")

3. Disable ajax caching in JSp:

/ put it at the beginning of the JSP page response.addHeader ("Cache-Control", "no-cache"); response.addHeader ("Expires", "Thu, 01 Jan 1970 00:00:01 GMT")

Fourth, force updates by adding random characters to the web page, such as

Var url = 'http://url/';url + ='? temp=' + new Date (). GetTime (); url + ='? temp=' + Math.random ()

5. For static HTML, you can add HTTP headers headers to disable caching, such as:

6. You can add the following code to disable ajax caching before XMLHttpRequest sends the request:

XMLHttpRequest.setRequestHeader ("If-Modified-Since", "0"); XMLHttpRequest.send (null)

VII. Prohibition of jQuery ajax Load

JQuery provides a way to prevent ajax from using caching, and you can solve the problem by adding the following statement to head's javascript file.

$. AjaxSetup ({cache: false / / close the corresponding AJAX cache}); the above is all the content of the article "how to disable ajax caching". Thank you for reading! I believe we all have a certain understanding, hope to share the content to help you, if you want to learn more knowledge, welcome to follow the industry information channel!