在Filter中不能注入bean的问题及解决

WEBApplicationContext webApplicationContext = WebApplicationContextUtils.getWebApplicationContext(request.getSession().getServletContext());
apiController apiController = (ApiController) webApplicationContext.getBean("apiController");

package com.test.config; 
import com.alibaba.druid.support.Http.StatViewServlet;
import com.test.service.RequestFilter;
import javax.servlet.Filter;
import org.springframework.boot.web.servlet.FilterReGIStrationBean;
import org.springframework.boot.web.servlet.ServletRegistrationBean;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.web.filter.DelegatingFilterProxy;
 

@Configuration
public class FilterConfig {
 
  
  @Bean
  public Filter uploadFilter() {
    return new RequestFilter();
  } 
 
  
  @Bean
  @SuppressWarnings("unchecked")
  public FilterRegistrationBean testFilterRegistration() {
    FilterRegistrationBean registration = new FilterRegistrationBean();
    registration.setFilter(new DelegatingFilterProxy("uploadFilter"));
    registration.addUrlPatterns("/*");
    registration.addInitParameter("paramName", "paramValue");
    registration.setName("testFilter");
    registration.setOrder(1);
    registration.setEnabled(false);
    return registration;
  } 
}

package com.test.service; 
import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig; 
 
public class RequestFilter implements Filter { 
  private Logger logger = LoggerFactory.getLogger(Filter.class);  
  @Value(value = "${encodeRules}")
  private String encodeRules;  
}