<!-- 添加這個(gè)就可以是webapp目錄生效 -->
<resources>
    <resource>
        <directory>src/main/webapp</directory>
        <!--注意此次必須要放在此目錄下才能被訪問到 -->
        <targetPath>META-INF/resources</targetPath>
        <includes>
            <include>**/**</include>
        </includes>
    </resource>
    <resource>
        <directory>src/main/resources</directory>
        <filtering>true</filtering>
        <includes>
            <include>**/*</include>
        </includes>
    </resource>
</resources>

@Override
protected void addResourceHandlers(ResourceHandlerRegistry registry) {
    registry.addResourceHandler("/**").addResourceLocations("classpath:/META-INF/resources/") .addResourceLocations("classpath:/resources/").addResourceLocations("classpath:/static/")
            .addResourceLocations("classpath:/public/");
    super.addResourceHandlers(registry);
}

@SpringBootApplication
public class WebMvcConfiguration extends WebMvcConfigurationSupport {
    @Override
    protected void addResourceHandlers(ResourceHandlerRegistry registry) {
        String[] excludes = new String[] { "/static/**", "**.html", "/login.html" };
        registry.addResourceHandler("/**").addResourceLocations("classpath:/META-INF/resources/")
                .addResourceLocations("classpath:/resources/").addResourceLocations("classpath:/static/")
                .addResourceLocations("classpath:/public/");
        super.addResourceHandlers(registry);
    }
}