映射本地图片

import org.springframework.context.annotation.Configuration;
import org.springframework.web.servlet.config.annotation.ResourceHandlerRegistry;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;

/**
 *映射本地图片类，找到url对应的文件,配置Spring MVC的一些特性，例如添加静态资源映射
 */
@Configuration
public class WebMvcConfig implements WebMvcConfigurer {

    /**
     * 添加静态资源映射
     *
     * @param registry ResourceHandlerRegistry实例，用于配置静态资源处理
     */
    @Override
    public void addResourceHandlers(ResourceHandlerRegistry registry) {

        // 与设置saveFile.setAvatar_url("http://localhost:8081/api/files" + fileUUID);一致，否则映射不到
        registry.addResourceHandler("/api/files/**")
                .addResourceLocations("file:G:/duxiang/files/");

        registry.addResourceHandler("/api/exercise-show/**")
                .addResourceLocations("file:G:/duxiang/exercise-show/");
    }
}