spring boot 時間戳和LocalDateTime相互轉換

@RequestBody的解決方案

package com.pasc.medical.esb.pmp.config;

import com.fasterxml.jackson.core.JsonGenerator;
import com.fasterxml.jackson.core.JsonParser;
import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.databind.*;
import com.fasterxml.jackson.databind.deser.std.StringDeserializer;
import com.fasterxml.jackson.datatype.jsr310.JavaTimeModule;
import com.pasc.medical.esb.pmp.common.utils.ApplicationBeanUtil;
import org.springframework.boot.web.reactive.context.ConfigurableReactiveWebEnvironment;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.core.convert.converter.Converter;
import org.springframework.http.converter.HttpMessageConverter;
import org.springframework.http.converter.json.MappingJackson2HttpMessageConverter;
import org.springframework.web.context.ConfigurableWebEnvironment;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;

import java.io.IOException;
import java.time.Instant;
import java.time.LocalDate;
import java.time.LocalDateTime;
import java.time.ZoneId;
import java.time.format.DateTimeFormatter;
import java.util.List;


@Configuration
public class LocalDateTimeConfig implements WebMvcConfigurer{

    @Override
    public void configureMessageConverters(List<HttpMessageConverter<?>> converters) {
        MappingJackson2HttpMessageConverter jackson2HttpMessageConverter = new MappingJackson2HttpMessageConverter();
        ObjectMapper objectMapper = new ObjectMapper();
        /**
         * 序列換成Json時,將所有的Long變成String
         * 因爲js中得數字類型不能包括所有的java Long值
         */
        JavaTimeModule javaTimeModule = new JavaTimeModule();
        javaTimeModule.addSerializer(LocalDateTime.class, new LocalDateTimeSerializer());
        javaTimeModule.addSerializer(LocalDate.class, new LocalDateSerializer());
        javaTimeModule.addDeserializer(LocalDateTime.class, new LocalDateTimeDeserializer());
        javaTimeModule.addDeserializer(LocalDate.class, new LocalDateDeserializer());
        objectMapper.registerModule(javaTimeModule);

        objectMapper.registerModule(javaTimeModule);
        jackson2HttpMessageConverter.setObjectMapper(objectMapper);
        converters.add(jackson2HttpMessageConverter);

    }

    /**
     * localDateTime 序列化
     */
    public static class LocalDateTimeSerializer extends JsonSerializer<LocalDateTime> {

        @Override
        public void serialize(LocalDateTime localDateTime, JsonGenerator jsonGenerator, SerializerProvider serializerProvider) throws IOException {
            if (localDateTime!=null) {
                ZoneId zone = ZoneId.systemDefault();
                Instant instant = localDateTime.atZone(zone).toInstant();
                jsonGenerator.writeNumber(instant.toEpochMilli());;
            }
        }
    }

    /**
     * localDateTime 反序列化
     */
    public static class LocalDateTimeDeserializer extends JsonDeserializer<LocalDateTime> {

        @Override
        public LocalDateTime deserialize(JsonParser jsonParser, DeserializationContext deserializationContext) throws IOException {
            long timestamp = jsonParser.getValueAsLong();
            Instant instant = Instant.ofEpochMilli(timestamp);
            return LocalDateTime.ofInstant(instant, ZoneId.systemDefault());
        }
    }

    /**
     * localDate 序列化
     */
    public static class LocalDateSerializer extends JsonSerializer<LocalDate> {

        @Override
        public void serialize(LocalDate localDate, JsonGenerator jsonGenerator, SerializerProvider serializerProvider) throws IOException {
            if (localDate!=null) {
                ZoneId zone = ZoneId.systemDefault();
                Instant instant = localDate.atStartOfDay(zone).toInstant();
                jsonGenerator.writeNumber(instant.toEpochMilli());;
            }
        }
    }

    /**
     * localDate 反序列化
     */
    public static class LocalDateDeserializer extends JsonDeserializer<LocalDate> {

        @Override
        public LocalDate deserialize(JsonParser jsonParser, DeserializationContext deserializationContext) throws IOException {
            long timestamp = jsonParser.getValueAsLong();
            Instant instant = Instant.ofEpochMilli(timestamp);
            return LocalDateTime.ofInstant(instant, ZoneId.systemDefault()).toLocalDate();
        }
    }
}

@RequestParam和url參數的解決方案

package com.pasc.medical.esb.pmp.controller.base;

import org.springframework.web.bind.WebDataBinder;
import org.springframework.web.bind.annotation.InitBinder;

import java.beans.PropertyEditorSupport;
import java.time.LocalDateTime;
import java.time.ZoneOffset;
import java.util.Date;


public class BaseController {

    @InitBinder
    public void initBinder(final WebDataBinder webdataBinder) {
        webdataBinder.registerCustomEditor(LocalDateTime.class, new PropertyEditorSupport() {
            @Override
            public void setAsText(String text) throws IllegalArgumentException {
                Long remindTime = Long.valueOf(text);
                setValue(LocalDateTime.ofEpochSecond(remindTime,0, ZoneOffset.ofHours(8)));
            }
        });

        webdataBinder.registerCustomEditor(Date.class, new PropertyEditorSupport() {
            @Override
            public void setAsText(String text) throws IllegalArgumentException {
                setValue(new Date(Long.valueOf(text)));
            }
        });
    }
}