update 优化 jackson 序列化配置

This commit is contained in:
疯狂的狮子li 2021-06-13 15:38:40 +08:00
parent 5311937b69
commit c2cf7ba16a
1 changed files with 32 additions and 18 deletions

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@ -3,34 +3,48 @@ package com.ruoyi.framework.config;
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();
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
//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);
return objectMapper;
JsonUtils.init(objectMapper);
log.info("初始化 jackson 配置");
return bean;
}
};
}
}