update 更新 jackson 配置 支持 LocalDateTime 全局格式化

疯狂的狮子li

2021-09-07 c5d46591fef9dd3d1cad6f161436a5a6c96483b0

update 更新 jackson 配置 支持 LocalDateTime 全局格式化

 ruoyi-common/src/main/java/com/ruoyi/common/utils/JsonUtils.java

@@ -4,6 +4,9 @@
import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.core.type.TypeReference;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.ruoyi.common.utils.spring.SpringUtils;
import lombok.AccessLevel;
import lombok.NoArgsConstructor;

import java.io.IOException;
import java.util.ArrayList;
@@ -15,20 +18,10 @@
 *
 * @author 芋道源码
 */
@NoArgsConstructor(access = AccessLevel.PRIVATE)
public class JsonUtils {

    private static ObjectMapper objectMapper = new ObjectMapper();

    /**
     * 初始化 objectMapper 属性
     * <p>
     * 通过这样的方式，使用 Spring 创建的 ObjectMapper Bean
     *
     * @param objectMapper ObjectMapper 对象
     */
    public static void init(ObjectMapper objectMapper) {
        JsonUtils.objectMapper = objectMapper;
    }
    private static ObjectMapper objectMapper = SpringUtils.getBean(ObjectMapper.class);

    public static String toJsonString(Object object) {
        if (StringUtils.isNull(object)) {

 ruoyi-framework/src/main/java/com/ruoyi/framework/config/JacksonConfig.java

@@ -5,17 +5,18 @@
import com.fasterxml.jackson.databind.ser.std.ToStringSerializer;
import com.fasterxml.jackson.datatype.jsr310.deser.LocalDateTimeDeserializer;
import com.fasterxml.jackson.datatype.jsr310.ser.LocalDateTimeSerializer;
import com.ruoyi.common.utils.JsonUtils;
import com.ruoyi.framework.jackson.BigNumberSerializer;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.BeansException;
import org.springframework.beans.factory.config.BeanPostProcessor;
import org.springframework.boot.autoconfigure.jackson.JacksonProperties;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.Primary;
import org.springframework.http.converter.json.Jackson2ObjectMapperBuilder;

import java.math.BigDecimal;
import java.math.BigInteger;
import java.time.LocalDateTime;
import java.time.format.DateTimeFormatter;
import java.util.TimeZone;

/**
@@ -27,30 +28,23 @@
@Configuration
public class JacksonConfig {

    @Primary
    @Bean
    public BeanPostProcessor objectMapperBeanPostProcessor() {
        return new BeanPostProcessor() {
            @Override
            public Object postProcessAfterInitialization(Object bean, String beanName) throws BeansException {
                if (!(bean instanceof ObjectMapper)) {
                    return bean;
                }
                ObjectMapper objectMapper = (ObjectMapper) bean;
                // 全局配置序列化返回 JSON 处理
                SimpleModule simpleModule = new SimpleModule();
                simpleModule.addSerializer(Long.class, BigNumberSerializer.INSTANCE);
                simpleModule.addSerializer(Long.TYPE, BigNumberSerializer.INSTANCE);
                simpleModule.addSerializer(BigInteger.class, BigNumberSerializer.INSTANCE);
                simpleModule.addSerializer(BigDecimal.class, ToStringSerializer.instance);
                simpleModule.addSerializer(LocalDateTime.class, LocalDateTimeSerializer.INSTANCE);
                simpleModule.addDeserializer(LocalDateTime.class, LocalDateTimeDeserializer.INSTANCE);
                objectMapper.registerModule(simpleModule);
                objectMapper.setTimeZone(TimeZone.getDefault());
                JsonUtils.init(objectMapper);
                log.info("初始化 jackson 配置");
                return bean;
            }
        };
    public ObjectMapper getObjectMapper(Jackson2ObjectMapperBuilder builder, JacksonProperties jacksonProperties) {
        ObjectMapper objectMapper = builder.createXmlMapper(false).build();
        // 全局配置序列化返回 JSON 处理
        SimpleModule simpleModule = new SimpleModule();
        simpleModule.addSerializer(Long.class, BigNumberSerializer.INSTANCE);
        simpleModule.addSerializer(Long.TYPE, BigNumberSerializer.INSTANCE);
        simpleModule.addSerializer(BigInteger.class, BigNumberSerializer.INSTANCE);
        simpleModule.addSerializer(BigDecimal.class, ToStringSerializer.instance);
        DateTimeFormatter formatter = DateTimeFormatter.ofPattern(jacksonProperties.getDateFormat());
        simpleModule.addSerializer(LocalDateTime.class, new LocalDateTimeSerializer(formatter));
        simpleModule.addDeserializer(LocalDateTime.class, new LocalDateTimeDeserializer(formatter));
        objectMapper.registerModule(simpleModule);
        objectMapper.setTimeZone(TimeZone.getDefault());
        log.info("初始化 jackson 配置");
        return objectMapper;
    }

}