解决页面js接受Long型损失精度问题(最新解决方案)

    @PutMapping
    public R<String> update(httpservletRequest request,@RequestBody Employee employee) {
        log.info("修改的用户id为{}", employee.getId());
        Long empId = (Long)request.getSession().getAttribute("employee");
        employee.setUpdateTime(LocalDateTime.now());
        employee.setUpdateUser(empId);
 
        employeeService.updateById(employee);
        return R.success("更新员工成功");
    }

public class JacksonObjectMapper extends ObjectMapper {
 
    public static final String DEFAULT_DATE_FORMAT = "yyyy-MM-dd";
    public static final String DEFAULT_DATE_TIME_FORMAT = "yyyy-MM-dd HH:mm:ss";
    public static final String DEFAULT_TIME_FORMAT = "HH:mm:ss";
 
    public JacksonObjectMapper() {
        super();
        //收到未知属性时不报异常
        this.configure(FaiL_ON_UNKNOWN_PROPERTIES, false);
 
        //反序列化时，属性不存在的兼容处理
        this.getDeserializationConfig().withoutFeatures(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES);
 
 
        SimpleModule simpleModule = new SimpleModule()
                .aDDDeserializer(LocalDateTime.class, new LocalDateTimeDeserializer(DateTimeFormatter.ofPattern(DEFAULT_DATE_TIME_FORMAT)))
                .addDeserializer(LocalDate.class, new LocalDateDeserializer(DateTimeFormatter.ofPattern(DEFAULT_DATE_FORMAT)))
                .addDeserializer(LocalTime.class, new LocalTimeDeserializer(DateTimeFormatter.ofPattern(DEFAULT_TIME_FORMAT)))
 
                .addSerializer(BigInteger.class, ToStringSerializer.instance)
                .addSerializer(Long.class, ToStringSerializer.instance)
                .addSerializer(LocalDateTime.class, new LocalDateTimeSerializer(DateTimeFormatter.ofPattern(DEFAULT_DATE_TIME_FORMAT)))
                .addSerializer(LocalDate.class, new LocalDateSerializer(DateTimeFormatter.ofPattern(DEFAULT_DATE_FORMAT)))
                .addSerializer(LocalTime.class, new LocalTimeSerializer(DateTimeFormatter.ofPattern(DEFAULT_TIME_FORMAT)));
 
        //注册功能模块 例如，可以添加自定义序列化器和反序列化器
        this.reGISterModule(simpleModule);
    }
}

@Configuration
@Slf4j
public class WebMvcConfig extends WebMvcConfigurationSupport {
 
 
    
 
    @Override
    protected void extendMessageConverters(List<HttpMessageConverter<?>> converters) {
        log.info("消息转化器添加成功");
        // 创建消息转换器
        MappingJackson2HttpMessageConverter converter = new MappingJackson2HttpMessageConverter();
 
        // 设置对象转换器，底层使用jackson将java对象转换为json
        converter.setObjectMapper(new JacksonObjectMapper());
        // 将上面的消息转换器添加到mvc框架的转换器集合中
        converters.add(0, converter);
 
    }
}