JDK8 实体类有 LocalDate 类型的字段时报错：NoSuchMethodError: java.time.LocalDate.ofInstant(Ljava/time/Instant;Ljava/time/ZoneId;)

[troyzhxu]

解决方法：

方法一：

使用 java.sql.Date 类型替代 LocalDate。

方法二：

添加一个自定义的转换器，继承 DateFieldConvertor ，注册为 Spring 的 Bean：

@Bean
public DateFieldConvertor dateFieldConvertor() {
    return new DateFieldConvertor() {

        @Override
        public Object convert(Class<?> targetType, Object value) {
            Class<?> valueType = value.getClass();
            if (Date.class.isAssignableFrom(valueType)) {
                Date date = (Date) value;
                if (targetType == java.sql.Date.class) {
                    return new java.sql.Date(date.getTime());
                }
                if (targetType == Timestamp.class) {
                    return new Timestamp(date.getTime());
                }
                if (targetType == LocalDateTime.class) {
                    // 注意：java.sql.Date 的 toInstant() 方法会抛异常
                    if (date instanceof java.sql.Date) {
                        LocalDate localDate = ((java.sql.Date) date).toLocalDate();
                        return LocalDateTime.of(localDate, LocalTime.of(0, 0, 0, 0));
                    }
                    return LocalDateTime.ofInstant(date.toInstant(), getZoneId());
                }
                if (targetType == LocalDate.class) {
                    // 注意：java.sql.Date 的 toInstant() 方法会抛异常
                    if (date instanceof java.sql.Date) {
                        return ((java.sql.Date) date).toLocalDate();
                    }
                    return toLocalDate(date.toInstant());
                }
                if (targetType == Date.class) {
                    return date;
                }
            }
            LocalDateTime dateTime;
            if (valueType == LocalDateTime.class) {
                dateTime = (LocalDateTime) value;
            } else {
                dateTime = LocalDateTime.of((LocalDate) value, LocalTime.of(0, 0));
            }
            if (targetType == LocalDateTime.class) {
                return dateTime;
            }
            Instant instant = dateTime.atZone(getZoneId()).toInstant();
            if (targetType == Date.class) {
                return new Date(instant.toEpochMilli());
            }
            if (targetType == java.sql.Date.class) {
                return new java.sql.Date(instant.toEpochMilli());
            }
            if (targetType == Timestamp.class) {
                return new Timestamp(instant.toEpochMilli());
            }
            if (targetType == LocalDate.class) {
                return toLocalDate(instant);
            }
            throw new UnsupportedOperationException();
        }

        private LocalDate toLocalDate(Instant instant) {
            ZoneOffset offset = getZoneId().getRules().getOffset(instant);
            long localSecond = instant.getEpochSecond() + offset.getTotalSeconds();
            long localEpochDay = Math.floorDiv(localSecond, 86400);
            return LocalDate.ofEpochDay(localEpochDay);
        }

    };
}

[troyzhxu]

Fixed in v3.5.5 and v3.6.3 :
https://github.com/ejlchina/bean-searcher/releases/tag/v3.5.5
https://github.com/ejlchina/bean-searcher/releases/tag/v3.6.3