In Java:
In Jsp:
HttpServletResponse response = (HttpServletResponse)rep;
response.setDateHeader("Expires", -1);
response.setHeader("Cache_Control", "no-cache");
response.setHeader("Pragma", "no-cache");
In Jsp:
<%
response.setHeader("Cache-Control","no-cache");
response.setHeader("Pragma","no-cache");
response.setHeader("Expires","-1");
%>
禁用HTTP缓存
本文介绍了如何使用Java和JSP代码来禁用HTTP响应的缓存功能,通过设置响应头来确保客户端每次请求都能获取到最新的资源。
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