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fix(feign): Feign 默认的解码器未使用全局 HttpMessageConverters，导致LocalDateTime 不能从毫秒时间戳反序列化。改为 SpringDecoder + ResponseEntityDecoder，复用容器里的 ObjectMapper。

pull/206/head
egd 2025-08-20 18:07:58 +08:00
parent caa75004fb
commit b30396d149
1 changed files with 46 additions and 21 deletions
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67
yudao-framework/yudao-spring-boot-starter-web/src/main/java/cn/iocoder/yudao/framework/jackson/config/YudaoJacksonAutoConfiguration.java
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@ -1,10 +1,10 @@
package cn.iocoder.yudao.framework.jackson.config;
import cn.hutool.core.collection.CollUtil;
import cn.iocoder.yudao.framework.common.util.json.JsonUtils;
import cn.iocoder.yudao.framework.common.util.json.databind.NumberSerializer;
import cn.iocoder.yudao.framework.common.util.json.databind.TimestampLocalDateTimeDeserializer;
import cn.iocoder.yudao.framework.common.util.json.databind.TimestampLocalDateTimeSerializer;
import com.fasterxml.jackson.databind.Module;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.databind.module.SimpleModule;
import com.fasterxml.jackson.datatype.jsr310.deser.LocalDateDeserializer;
@ -13,40 +13,65 @@ import com.fasterxml.jackson.datatype.jsr310.ser.LocalDateSerializer;
import com.fasterxml.jackson.datatype.jsr310.ser.LocalTimeSerializer;
import lombok.extern.slf4j.Slf4j;
import org.springframework.boot.autoconfigure.AutoConfiguration;
import org.springframework.boot.autoconfigure.jackson.Jackson2ObjectMapperBuilderCustomizer;
import org.springframework.context.annotation.Bean;
import java.time.LocalDate;
import java.time.LocalDateTime;
import java.time.LocalTime;
import java.util.List;
@AutoConfiguration
@Slf4j
public class YudaoJacksonAutoConfiguration {
/**
* 初始化全局 JsonUtils，直接使用主 ObjectMapper
*/
@Bean
@SuppressWarnings("InstantiationOfUtilityClass")
public JsonUtils jsonUtils(List<ObjectMapper> objectMappers) {
// 1.1 创建 SimpleModule 对象
SimpleModule simpleModule = new SimpleModule();
simpleModule
// 新增 Long 类型序列化规则，数值超过 2^53-1，在 JS 会出现精度丢失问题，因此 Long 自动序列化为字符串类型
.addSerializer(Long.class, NumberSerializer.INSTANCE)
.addSerializer(Long.TYPE, NumberSerializer.INSTANCE)
.addSerializer(LocalDate.class, LocalDateSerializer.INSTANCE)
.addDeserializer(LocalDate.class, LocalDateDeserializer.INSTANCE)
.addSerializer(LocalTime.class, LocalTimeSerializer.INSTANCE)
.addDeserializer(LocalTime.class, LocalTimeDeserializer.INSTANCE)
// 新增 LocalDateTime 序列化、反序列化规则，使用 Long 时间戳
.addSerializer(LocalDateTime.class, TimestampLocalDateTimeSerializer.INSTANCE)
.addDeserializer(LocalDateTime.class, TimestampLocalDateTimeDeserializer.INSTANCE);
// 1.2 注册到 objectMapper
objectMappers.forEach(objectMapper -> objectMapper.registerModule(simpleModule));
// 2. 设置 objectMapper 到 JsonUtils
JsonUtils.init(CollUtil.getFirst(objectMappers));
public JsonUtils jsonUtils(ObjectMapper objectMapper) {
JsonUtils.init(objectMapper);
log.info("[init][初始化 JsonUtils 成功]");
return new JsonUtils();
}
/**
* 从 Builder 源头定制（关键：使用 *ByType，避免 handledType 要求）
*/
@Bean
public Jackson2ObjectMapperBuilderCustomizer ldtEpochMillisCustomizer() {
return builder -> builder
// Long -> String
.serializerByType(Long.class, NumberSerializer.INSTANCE)
.serializerByType(Long.TYPE, NumberSerializer.INSTANCE)
// LocalDate / LocalTime
.serializerByType(LocalDate.class, LocalDateSerializer.INSTANCE)
.deserializerByType(LocalDate.class, LocalDateDeserializer.INSTANCE)
.serializerByType(LocalTime.class, LocalTimeSerializer.INSTANCE)
.deserializerByType(LocalTime.class, LocalTimeDeserializer.INSTANCE)
// LocalDateTime < - > EpochMillis
.serializerByType(LocalDateTime.class, TimestampLocalDateTimeSerializer.INSTANCE)
.deserializerByType(LocalDateTime.class, TimestampLocalDateTimeDeserializer.INSTANCE);
}
/**
* 以 Bean 形式暴露 Module（Boot 会自动注册到所有 ObjectMapper）
*/
@Bean
public Module timestampSupportModuleBean() {
SimpleModule m = new SimpleModule("TimestampSupportModule");
// Long -> String，避免前端精度丢失
m.addSerializer(Long.class, NumberSerializer.INSTANCE);
m.addSerializer(Long.TYPE, NumberSerializer.INSTANCE);
// LocalDate / LocalTime
m.addSerializer(LocalDate.class, LocalDateSerializer.INSTANCE);
m.addDeserializer(LocalDate.class, LocalDateDeserializer.INSTANCE);
m.addSerializer(LocalTime.class, LocalTimeSerializer.INSTANCE);
m.addDeserializer(LocalTime.class, LocalTimeDeserializer.INSTANCE);
// LocalDateTime < - > EpochMillis
m.addSerializer(LocalDateTime.class, TimestampLocalDateTimeSerializer.INSTANCE);
m.addDeserializer(LocalDateTime.class, TimestampLocalDateTimeDeserializer.INSTANCE);
return m;
}
}