update 优化 jackson 序列化配置

疯狂的狮子li

2021-06-13 c2cf7ba16a0f352f5db3f91ebf6d66d1cbc2a367

update 优化 jackson 序列化配置

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

@@ -3,34 +3,48 @@
import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.databind.module.SimpleModule;
import com.fasterxml.jackson.databind.ser.std.ToStringSerializer;
import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
import com.fasterxml.jackson.datatype.jsr310.deser.LocalDateTimeDeserializer;
import com.fasterxml.jackson.datatype.jsr310.ser.LocalDateTimeSerializer;
import com.ruoyi.common.utils.JsonUtils;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.BeansException;
import org.springframework.beans.factory.config.BeanPostProcessor;
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.time.LocalDateTime;

/**
 * 当Mybatis plus设置为雪花ID时
 * 使用此类，会把所有数字返回变为字符串返回适配前端Long型失真问题
 * jackson 配置
 *
 * @author Ming LI
 * @author Lion Li
 */
@Slf4j
@Configuration
public class JacksonConfig {

    @Bean
    @Primary
    @ConditionalOnMissingBean(ObjectMapper.class)
    @ConditionalOnProperty(value = "mybatis-plus.global-config.dbConfig.idType", havingValue = "ASSIGN_ID")
    public ObjectMapper jacksonObjectMapper(Jackson2ObjectMapperBuilder builder) {
        ObjectMapper objectMapper = builder.createXmlMapper(false).build();
        // 全局配置序列化返回 JSON 处理
        SimpleModule simpleModule = new SimpleModule();
        //JSON Long ==> String
        simpleModule.addSerializer(Long.class, ToStringSerializer.instance);
        objectMapper.registerModule(simpleModule);
        return objectMapper;
    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();
                //JSON Long ==> String 把所有数字返回变为字符串返回适配前端Long型失真问题
                simpleModule.addSerializer(Long.class, ToStringSerializer.instance);
                simpleModule.addSerializer(Long.TYPE, ToStringSerializer.instance);
                simpleModule.addSerializer(LocalDateTime.class, LocalDateTimeSerializer.INSTANCE);
                simpleModule.addDeserializer(LocalDateTime.class, LocalDateTimeDeserializer.INSTANCE);
                objectMapper.registerModule(simpleModule);
                JsonUtils.init(objectMapper);
                log.info("初始化 jackson 配置");
                return bean;
            }
        };
    }

}