Spring Boot @EnableWebMvc 配置Long类型精度丢失， supportedMediaType 支持，addResourceHandlers配置；添加拦截器

import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.databind.module.SimpleModule;
import com.fasterxml.jackson.databind.ser.std.ToStringSerializer;
import org.springframework.context.annotation.Configuration;
import org.springframework.http.MediaType;
import org.springframework.http.converter.HttpMessageConverter;
import org.springframework.http.converter.json.MappingJackson2HttpMessageConverter;
import org.springframework.web.servlet.config.annotation.EnableWebMvc;
import org.springframework.web.servlet.config.annotation.InterceptorRegistry;
import org.springframework.web.servlet.config.annotation.ResourceHandlerRegistry;
import org.springframework.web.servlet.config.annotation.*;

import java.nio.charset.StandardCharsets;
import java.util.ArrayList;
import java.util.List;

/**
 * @author: Jack
 * 2020-08-14 18:53
 */
@Configuration
@EnableWebMvc
public class WebConfig extends WebMvcConfigurerAdapter {
    @Override
    public void configureMessageConverters(List<HttpMessageConverter<?>> converters) {
        MappingJackson2HttpMessageConverter jackson2HttpMessageConverter = new MappingJackson2HttpMessageConverter();
        ObjectMapper objectMapper = new ObjectMapper();
        /**
         * 序列换成json时,将所有的long变成string, 因为js中得数字类型不能包含所有的java long值.
         * 参考文章: 
         */
        SimpleModule simpleModule = new SimpleModule();
        simpleModule.addSerializer(Long.class, ToStringSerializer.instance);
        simpleModule.addSerializer(Long.TYPE, ToStringSerializer.instance);
        objectMapper.registerModule(simpleModule);
        jackson2HttpMessageConverter.setObjectMapper(objectMapper);

        // supportedMediaTypes
        List<MediaType> supportedMediaTypes = new ArrayList<>(jackson2HttpMessageConverter.getSupportedMediaTypes());
        supportedMediaTypes.add(MediaType.APPLICATION_JSON_UTF8);
        supportedMediaTypes.add(MediaType.TEXT_HTML);
        supportedMediaTypes.add(new MediaType("application", "*+json", StandardCharsets.UTF_8));
        jackson2HttpMessageConverter.setSupportedMediaTypes(supportedMediaTypes);

        converters.add(jackson2HttpMessageConverter);
    }


    @Override
    public void addResourceHandlers(ResourceHandlerRegistry registry) {

        // Spring Boot自动配置本身不会自动把/swagger-ui.html这个路径映射到对应的目录META-INF/resources/下面。
        // 这个swagger-ui.html 相关的所有前端静态文件都在springfox-swagger-ui.jar里面。
        registry.addResourceHandler("swagger-ui.html")
            .addResourceLocations("classpath:/META-INF/resources/");

        registry.addResourceHandler("/webjars/**")
            .addResourceLocations("classpath:/META-INF/resources/webjars/");
    }

    @Override
    public void addInterceptors(InterceptorRegistry registry) {
        // 多个拦截器组成一个拦截器链
        // addPathPatterns 用于添加拦截规则
        // excludePathPatterns 用户排除拦截

        //添加拦截器
        registry.addInterceptor(new CheckpreloadInterceptor());

        super.addInterceptors(registry);
    }


}

其中，CheckpreloadInterceptor 代码是：

import org.apache.commons.lang3.StringUtils;
import org.springframework.web.servlet.HandlerInterceptor;
import org.springframework.web.servlet.ModelAndView;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
 * 处理 checkpreload.htm 白名单过滤
 *
 * @author: Jack
 * 2020-08-17 15:11
 */
public class CheckpreloadInterceptor implements HandlerInterceptor {

    /**
     * 访问controller之前被调用
     *
     * @param request
     * @param response
     * @param handler
     * @return
     */
    @Override
    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) {
        // 跳过status.taobao和checkpreload检测
        String requestURL = request.getRequestURI();
        if (StringUtils.contains(requestURL, "status.taobao") || StringUtils.contains(requestURL, "checkpreload.htm")) {
            return true;
        }

        return true;
    }

    /**
     * 访问controller之后 访问视图之前被调用
     *
     * @param request
     * @param response
     * @param handler
     * @param modelAndView
     */
    @Override
    public void postHandle(HttpServletRequest request, HttpServletResponse response, Object handler, ModelAndView modelAndView) {

    }

    /**
     * 访问视图之后被调用
     *
     * @param request
     * @param response
     * @param handler
     * @param ex
     */
    @Override
    public void afterCompletion(HttpServletRequest request, HttpServletResponse response, Object handler, Exception ex) {

    }
}