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feat：【framework】增加对 LocalDateTime 类型格式化不生效问题 #1019

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YunaiV 2025-11-21 15:52:41 +08:00
parent 1a7a21826b
commit 019d5fb473
1 changed files with 17 additions and 1 deletions
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18
yudao-framework/yudao-common/src/main/java/cn/iocoder/yudao/framework/common/util/json/databind/TimestampLocalDateTimeSerializer.java
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@ -1,12 +1,16 @@
package cn.iocoder.yudao.framework.common.util.json.databind;
import com.fasterxml.jackson.annotation.JsonFormat;
import com.fasterxml.jackson.core.JsonGenerator;
import com.fasterxml.jackson.databind.JsonSerializer;
import com.fasterxml.jackson.databind.SerializerProvider;
import org.apache.commons.lang3.reflect.FieldUtils;
import java.io.IOException;
import java.lang.reflect.Field;
import java.time.LocalDateTime;
import java.time.ZoneId;
import java.time.format.DateTimeFormatter;
/**
* 基于时间戳的 LocalDateTime 序列化器
@ -19,7 +23,19 @@ public class TimestampLocalDateTimeSerializer extends JsonSerializer<LocalDateTi
@Override
public void serialize(LocalDateTime value, JsonGenerator gen, SerializerProvider serializers) throws IOException {
// 将 LocalDateTime 对象，转换为 Long 时间戳
String fieldName = gen.getOutputContext().getCurrentName();
Class<?> clazz = gen.getOutputContext().getCurrentValue().getClass();
Field field = FieldUtils.getField(clazz, fieldName, true);
// 情况一：有 JsonFormat 自定义注解，则使用它。https://github.com/YunaiV/ruoyi-vue-pro/pull/1019
JsonFormat[] jsonFormats = field.getAnnotationsByType(JsonFormat.class);
if (jsonFormats.length > 0) {
String pattern = jsonFormats[0].pattern();
DateTimeFormatter formatter = DateTimeFormatter.ofPattern(pattern);
gen.writeString(formatter.format(value));
return;
}
// 情况二：默认将 LocalDateTime 对象，转换为 Long 时间戳
gen.writeNumber(value.atZone(ZoneId.systemDefault()).toInstant().toEpochMilli());
}