1.config包下，创建配置类：
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2.WebConfig类：
package com.hongyi.cms.facereport.config;
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;
@Configuration
public class WebConfig implements WebMvcConfigurer {
@Value("${upload.path}")
private String uploadPath;
@Override
public void addResourceHandlers(ResourceHandlerRegistry registry) {
/**
* 访问路径：http://localhost:93/facereport/static/captured/daping_report/captured_images/face/788001414206074880/2021/1/27/cj_142207194912440320.png
* "/facereport/static/captured/**" 为前端URL访问路径
* "file:" + uploadPath 是本地磁盘映射
*/
registry.addResourceHandler("/facereport/static/captured/**").addResourceLocations("file:" + uploadPath);
}
}
3.@Value("${upload.path}")在yml里配置：
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4.前端url访问：http://localhost:93/facereport/static/captured/daping_report/captured_images/face/788001414206074880/2021/1/27/1.jpg
成功映射，并显示：
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