package com.moral.monitor.util;
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import javax.servlet.*;
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import javax.servlet.http.HttpServletResponse;
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import java.io.IOException;
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/**
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* Created by a on 2017/7/5.
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*/
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public class NoCacheFilter implements Filter {
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public void init(FilterConfig filterConfig) throws ServletException {
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}
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public void doFilter(ServletRequest servletRequest, ServletResponse servletResponse, FilterChain filterChain) throws IOException, ServletException {
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HttpServletResponse hsr = (HttpServletResponse) servletResponse;
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hsr.setHeader("Cache-Control", "no-cache, no-store, must-revalidate");
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hsr.setHeader("Pragma", "no-cache");
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hsr.setDateHeader("Expires", 0);
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filterChain.doFilter(servletRequest, servletResponse);
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}
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public void destroy() {
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}
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}
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