使用ajax防止页面缓存的代码

5. 或

asp网页

2. <%
3. response.expires=-1
4. response.expiresabsolute=now()-1
5. response.cachecontrol="no-cache"
6. %>

php网页

2. header("expires:mon,26jul199705:00:00gmt");
3. header("cache-control:no-cache,must-revalidate");
4. header("pragma:no-cache");
5. ?>

jsp网页

2. response.addHeader("pragma", "no-cache");
3. response.addHeader("cache-control", "no-cache,must-revalidate");
4. response.addHeader("expires", "0");