springboot静态资源访问

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springboot的项目中,默认的开启的静态资源目录有: 

 classpath:/META-INF/resources/, 
 classpath:/resources/,  
 classpath:/static/

 设置自定义的静态资源目录有如下两种方式: 

 1.基于javaconfig的注入 @Component 

public class WebConfigurer extends WebMvcConfigurerAdapter {

    @Value("${images-file}")
    String imagesFile;

    @Override
    public void addResourceHandlers(ResourceHandlerRegistry registry) {
        registry.addResourceHandler("/upload/images/**").addResourceLocations(imagesFile);
        super.addResourceHandlers(registry);
    }
} 

 继承WebMvcConfigurerAdapter 并重写addResourceHandlers方法,这几定义多个静态资源  

2.配置文件application.yml配置静态资源路径: 

spring:
   resources:
     static-locations: classpath:/META-INF/resources/,classpath:/resources/,classpath:/static/,file:${image-path}
image-path: D:/file/upload/
static-locations配置中,如果是本地目录,前面加file