Java 向guice servlet添加过滤器

我使用guice servet创建了一个servlet，效果很好：

protected Injector getInjector() {
    return Guice.createInjector(new ServletModule() {
        protected void configureServlets() {
            bind(MyService.class).to(MyServiceImpl.class);
            serve("/myservlet").with(MyServlet.class);
        }
    });
}

我的servlet如下所示：

@Inject
private MyService myService;

protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
    response.getWriter().print(myService.hello("John Doe").toString());
}

@Singleton public class MyFilter implements Filter { 
    public void init(FilterConfig filterConfig) throws ServletException { } 
    public void doFilter(ServletRequest request, 
                         ServletResponse response,
                         FilterChain chain) throws IOException, ServletException {
        System.out.println("Yeah"); 
    } 
    public void destroy() { }
}

现在，我尝试向它添加一个过滤器，就像这样：

            bind(MyService.class).to(MyServiceImpl.class);
            filter("/*").through(MyFilter.class);
            serve("/myservlet").with(MyServlet.class);

我的过滤器如下所示：

@Inject
private MyService myService;

protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
    response.getWriter().print(myService.hello("John Doe").toString());
}

@Singleton public class MyFilter implements Filter { 
    public void init(FilterConfig filterConfig) throws ServletException { } 
    public void doFilter(ServletRequest request, 
                         ServletResponse response,
                         FilterChain chain) throws IOException, ServletException {
        System.out.println("Yeah"); 
    } 
    public void destroy() { }
}

一旦我添加了过滤器，servlet就不再被调用

当我移除过滤器时，servlet再次工作

---

我做错了什么？

问题不在GUI程序集中，而在过滤器实现中。您必须致电：

chain.doFilter(request, response);

---

在

doFilter

方法中，通过过滤器传递处理。您可以在中阅读有关典型筛选器的详细信息。

您的筛选器代码是什么样子的？@Singleton公共类MyFilter实现筛选器{public void init（FilterConfig FilterConfig）抛出ServletException{}public void doFilter（ServletRequest ServletRequest，ServletResponse ServletResponse，FilterChain FilterChain）抛出IOException，ServletException{System.out.println（“耶”）；}public void destroy（）{}