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我正在尝试将Cache Controlfor Tomcat 7 设置为该no-cache选项。

我试图ExpiresFilter在我web.xml的如下使用:

<filter>
    <filter-name>ExpiresFilter</filter-name>
    <filter-class>org.apache.catalina.filters.ExpiresFilter</filter-class>
    <init-param>
    <param-name>ExpiresByType image</param-name>
    <param-value>access plus 0 seconds</param-value>
    </init-param>
    <init-param>
    <param-name>ExpiresByType text/css</param-name>
    <param-value>access plus 0 seconds</param-value>
    </init-param>
    <init-param>
    <param-name>ExpiresByType application/javascript</param-name>
    <param-value>access plus 0 seconds</param-value>
    </init-param>

    <init-param>
    <param-name>ExpiresDefault</param-name>
    <param-value>access plus 0 seconds</param-value>
    </init-param>
</filter>

<filter-mapping>
<filter-name>ExpiresFilter</filter-name>
<url-pattern>/*</url-pattern>
<dispatcher>REQUEST</dispatcher>
</filter-mapping>

但是,当我阅读我的响应标头时,我得到的是:

Cache-Control:max-age=0

而不是Cache-Control: no-cache

如何将我的 Tomcat 服务器设置为Cache-Control: no-cache仅通过配置文件指定?

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