静态资源

<mvc:resources mapping="/js/**" location="/js/"/>
<mvc:resources mapping="/css/**" location="/css/"/>
<mvc:resources mapping="/images/**" location="/images/"/>
<mvc:resources mapping="/images/**" location="/images/"/>
<mvc:resources mapping="/WEB-INF/wjHtml/**" location="/WEB-INF/wjHtml/"/>

访问路径      ->   目录 文件   
baseUrl/js/  ->  webapp/js/

package com.learn.config;

import com.alibaba.fastjson.PropertyNamingStrategy;
import com.alibaba.fastjson.parser.Feature;
import com.alibaba.fastjson.serializer.SerializeConfig;
import com.alibaba.fastjson.support.config.FastJsonConfig;
import com.alibaba.fastjson.support.spring.FastJsonHttpMessageConverter;
import org.springframework.context.annotation.Configuration;
import org.springframework.http.MediaType;
import org.springframework.http.converter.HttpMessageConverter;
import org.springframework.web.servlet.config.annotation.EnableWebMvc;
import org.springframework.web.servlet.config.annotation.ResourceHandlerRegistry;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;

import java.util.Arrays;
import java.util.List;

@Configuration
@EnableWebMvc
public class WebConfiguration implements WebMvcConfigurer {

    @Override
    public void configureMessageConverters(List<HttpMessageConverter<?>> converters) {
        FastJsonHttpMessageConverter fastJsonConverter = new FastJsonHttpMessageConverter();
        fastJsonConverter.setSupportedMediaTypes(Arrays.asList(MediaType.APPLICATION_JSON, MediaType.TEXT_HTML));
        FastJsonConfig config = new FastJsonConfig();
        config.setFeatures(Feature.AllowISO8601DateFormat, Feature.DisableCircularReferenceDetect);

        SerializeConfig serializeConfig = new SerializeConfig();
        serializeConfig.setPropertyNamingStrategy(PropertyNamingStrategy.CamelCase);
        config.setSerializeConfig(serializeConfig);

//        config.setDateFormat("yyyy");
//        ParserConfig parserConfig = new ParserConfig();
//        config.setParserConfig(parserConfig);

        fastJsonConverter.setFastJsonConfig(config);

    }

    @Override
    public void addResourceHandlers(ResourceHandlerRegistry registry) {
        registry.addResourceHandler("/js/**", "/css/**", "/img/**", "/fonts/**", "index.html", "favicon.ico")
                .addResourceLocations("classpath:/static/", "classpath:/static/js/", "classpath:/static/css/", "classpath:/static/img/", "classpath:/static/fonts/")
//                .addResourceLocations("file:D://static")
                .setCachePeriod(31556926);
    }
}