Spring boot web应用程序没有cache-control标头

Question

    response.setHeader("Cache-Control", "no-store"); // HTTP 1.1.
    response.setHeader("Pragma", "no-cache"); // HTTP 1.0.
    response.setHeader("Expires", "0"); // Proxies. 

Answer 1

有不同类型的标题设置。

我建议用过滤器或配置来设置它。

配置

@EnableWebSecurity
public class WebSecurityConfig extends
WebSecurityConfigurerAdapter {

@Override
protected void configure(HttpSecurity http) throws Exception {
    http
    // ...
    .headers()
        // do not use any default headers unless explicitly listed
        .defaultsDisabled()
        .cacheControl();
}
}

Cache-Control: no-cache, no-store, max-age=0, must-revalidate
Pragma: no-cache
Expires: 0

@WebFilter("/filter-response-header/*")
public class AddResponseHeaderFilter implements Filter {
 
    @Override
    public void doFilter(ServletRequest request, ServletResponse response, 
      FilterChain chain) throws IOException, ServletException {
        HttpServletResponse httpServletResponse = (HttpServletResponse) response;
        httpServletResponse.setHeader(
          "Cache-Control", "no-store");
httpServletResponse.setHeader(
              "Pragma", "no-cache");
httpServletResponse.setHeader(
              "Expires", "0");
        chain.doFilter(request, response);
    }

对于单个响应

HttpServletResponse：

HttpServletResponse response
response.addHeader("Cache-Control", "no-store");
response.addHeader("Pragma", "no-cache");
response.addHeader("Expires", "0");

欲了解更多信息，请参见：https://www.baeldung.com/spring-response-header