fix 移除 Long 序列化为 String 配置 改为由用户自行添加注解

疯狂的狮子li

2021-06-16 f9967cca4ca696860986ccd3497bc5687b3544ba

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

@@ -2,35 +2,45 @@

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();
            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;
         }
      };
   }

}