Springboot|Springboot @WebFilter无法注入其他Bean的示例问题 Springboot@WebFilter无法注入其他

示例问题代码：

@WebFilter(filterName = "authorizeFilter", urlPatterns = {"*.htm", "*.html"}, asyncSupported = true)public class AuthorizeFilter implements Filter { @Autowired private OtherBean otherBean; @Overridepublic void init(FilterConfig filterConfig) throws ServletException {}@Overridepublic void destroy() {}@Overridepublic void doFilter(ServletRequest request, ServletResponse response,FilterChain chain) throws IOException, ServletException {// trueSystem.out.println(otherBean == null); }}

现象：

本地运行测试均可通过，上测试环境后运行注入bean为空
现象：使用外置tomcat可触发，本地使用内置tomcat则无此问题

解决代码

@Componentpublic class AuthorizeFilter implements Filter { @Autowired private OtherBean otherBean; @Overridepublic void init(FilterConfig filterConfig) throws ServletException {}@Overridepublic void destroy() {}@Overridepublic void doFilter(ServletRequest request, ServletResponse response,FilterChain chain) throws IOException, ServletException {// falseSystem.out.println(otherBean == null); }}

@Configurationpublic class WebFilterConfig implements WebMvcConfigurer {@Autowiredprivate AuthorizeFilter authorizeFilter; @Bean("authorizeFilterBean")public FilterRegistrationBean authorizeFilterBean() {FilterRegistrationBean registration = new FilterRegistrationBean(); registration.setFilter(authorizeFilter); registration.addUrlPatterns(new String[]{"*.htm", "*.html"}); registration.setName("authorizeFilter"); registration.setAsyncSupported(true); return registration; }}

启动类加上：@ServletComponentScan({“com.hybase.site.filter”})
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