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);

}

}