添加如下配置，接收+返回web数据时，统一格式化传参:

@Configuration
public class WebConfig extends WebMvcConfigurerAdapter {
    
    @Override
    public void extendMessageConverters(List<HttpMessageConverter<?>> converters) {
        MappingJackson2HttpMessageConverter jackson2HttpMessageConverter = new MappingJackson2HttpMessageConverter();
        ObjectMapper objectMapper = jackson2HttpMessageConverter.getObjectMapper();

        //json中多余的参数不报错，不想要可以改掉
        objectMapper.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false);
        //设置全局的时间转化
        SimpleDateFormat smt = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
        objectMapper.setDateFormat(smt);
        //解决时区差8小时问题
        objectMapper.setTimeZone(TimeZone.getTimeZone("GMT+8"));


        //设置中文编码格式
        List<MediaType> list = new ArrayList<MediaType>();
        list.add(MediaType.APPLICATION_JSON_UTF8);
        jackson2HttpMessageConverter.setSupportedMediaTypes(list);


        //生成json时，将所有Long转换成String
        SimpleModule simpleModule = new SimpleModule();
        simpleModule.addSerializer(Long.class, ToStringSerializer.instance);
        simpleModule.addSerializer(Long.TYPE, ToStringSerializer.instance);
        objectMapper.registerModule(simpleModule);

        jackson2HttpMessageConverter.setObjectMapper(objectMapper);
        converters.add(0, jackson2HttpMessageConverter);
    }
}