如何使用springboot中自帶的圖片服務(wù)器

package bp.config;

import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.context.annotation.Configuration;
import org.springframework.web.servlet.config.annotation.InterceptorRegistry;
import org.springframework.web.servlet.config.annotation.ResourceHandlerRegistry;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurerAdapter;

/**
 * @ClassName: WebAppConfig
 * @Description: TODO(這里用一句話描述這個類的作用)
 * @author Administrator
 * @date 2017年7月11日
 */
@Configuration
public class WebAppConfig extends WebMvcConfigurerAdapter {
   //獲取配置文件中圖片的路徑
 @Value("${cbs.imagesPath}")
 private String mImagesPath;
 //訪問圖片方法
 @Override
 public void addResourceHandlers(ResourceHandlerRegistry registry) {
  if(mImagesPath.equals("") || mImagesPath.equals("${cbs.imagesPath}")){
   String imagesPath = WebAppConfig.class.getClassLoader().getResource("").getPath();
   if(imagesPath.indexOf(".jar")>0){
    imagesPath = imagesPath.substring(0, imagesPath.indexOf(".jar"));
   }else if(imagesPath.indexOf("classes")>0){
    imagesPath = "file:"+imagesPath.substring(0, imagesPath.indexOf("classes"));
   }
   imagesPath = imagesPath.substring(0, imagesPath.lastIndexOf("/"))+"/images/";
   mImagesPath = imagesPath;
  }
  LoggerFactory.getLogger(WebAppConfig.class).info("imagesPath="+mImagesPath);
  registry.addResourceHandler("/images/**").addResourceLocations(mImagesPath);
  super.addResourceHandlers(registry);
 }
}

@Override
 public void addInterceptors(InterceptorRegistry registry) {
  registry.addInterceptor(new LoginInterceptor()).addPathPatterns("/api/**").excludePathPatterns("/api/getLogin")
    .excludePathPatterns("/api/getExit");
  super.addInterceptors(registry);

 }