Java禁止浏览器有缓存的源码
import java.io.IOException; import javax.servlet.Filter; import javax.servlet.FilterChain; import javax.servlet.FilterConfig; import javax.servlet.ServletException; import javax.servlet.ServletRequest; import javax.servlet.ServletResponse; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import org.slf4j.Logger; import org.slf4j.LoggerFactory; /*** * 强制不要页面缓存 共同电商学习交流群:168096884 * @author*/ public class ForceNoCacheFilter implements Filter { private static final Logger logger = LoggerFactory.getLogger(ForceNoCacheFilter.class); @Override public void doFilter(ServletRequest req, ServletResponse resp, FilterChain filterChain) throws IOException, ServletException { logger.info("[ForceNoCacheFilter] start......"); HttpServletResponse response = (HttpServletResponse) resp; HttpServletRequest request = (HttpServletRequest) req; String url = request.getRequestURI(); logger.info("[ForceNoCacheFilter][web端请求][url]"+url); response.setHeader("Cache-Control", "no-cache"); response.setHeader("Pragma", "no-cache"); response.setDateHeader("Expires", -1); filterChain.doFilter(req, resp); return; } @Override public void init(FilterConfig filterConfig) throws ServletException { logger.info("[ForceNoCacheFilter] 系统初始化init......"); } @Override public void destroy() { logger.info("[ForceNoCacheFilter] destroy......"); } }
同时web.xml不要忘记配置了..
<filter>
<filter-name>NoCacheFilter</filter-name>
<filter-class>com.xx.filter.ForceNoCacheFilter</filter-class>
</filter>
<filter-mapping>
<filter-name>NoCacheFilter</filter-name>
<url-pattern>*.jsp</url-pattern>
</filter-mapping>
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