任何项目都可以使用。贴上代码

package Config;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.context.annotation.Configuration;
import org.springframework.web.servlet.config.annotation.ResourceHandlerRegistry;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;
import org.springframework.web.servlet.resource.ContentVersionStrategy;
import org.springframework.web.servlet.resource.VersionResourceResolver;

@Configuration
public class WebConfig implements WebMvcConfigurer {
  private static Logger logger = LoggerFactory.getLogger(WebConfig.class);

  @Value("${file.path:E://temp/}")
  private String mImagesPath;

  @Override
  public void addResourceHandlers(ResourceHandlerRegistry registry) {

    VersionResourceResolver versionResourceResolver = new VersionResourceResolver()
            .addVersionStrategy(new ContentVersionStrategy(), "/**");
    // 配置静态文件访问路径
    registry
        .addResourceHandler("/**")
        .addResourceLocations("classpath:/static/")
        .setCachePeriod(2592000)
        .resourceChain(true)
        .addResolver(versionResourceResolver);
    // 解决swagger无法访问
    registry
        .addResourceHandler("/swagger-ui.html")
        .addResourceLocations("classpath:/META-INF/resources/");
    // 解决swagger的js文件无法访问
    registry
        .addResourceHandler("/webjars/**")
        .addResourceLocations("classpath:/META-INF/resources/webjars/");
    registry
        .addResourceHandler("doc.html")
        .addResourceLocations("classpath:/META-INF/resources/");

    // 配置图片或者文件访问路径
    if (mImagesPath.equals("") || mImagesPath.equals("${file.path}")) {
      String imagesPath = WebConfig.class.getClassLoader().getResource("").getPath();
      logger.info("1.上传配置类imagesPath==" + imagesPath);
      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("/")) + "/getfile/";
      mImagesPath = imagesPath;
    }
    logger.info("imagesPath=============" + mImagesPath);
    registry.addResourceHandler("/getfile/**").addResourceLocations("file:" + mImagesPath);
  }




}