ZF/yudao-cloud
1
0
Fork 0
mirror of https://gitee.com/zhijiantianya/yudao-cloud.git synced 2025-12-30 09:22:27 +00:00
Code Issues Packages Projects Releases Wiki Activity

【同步】BOOT 和 CLOUD 的功能

Browse Source
This commit is contained in:
YunaiV
2025-12-28 10:22:05 +08:00
parent f922d3fd55
commit 0f27c0aa72
41 changed files with 2851 additions and 1394 deletions
Download Patch File Download Diff File Expand all files Collapse all files

57
yudao-framework/yudao-common/src/main/java/cn/iocoder/yudao/framework/common/util/json/databind/TimestampLocalDateTimeSerializer.java
View File

@@ -1,39 +1,58 @@
package cn.iocoder.yudao.framework.common.util.json.databind;
import cn.hutool.core.util.ObjUtil;
import cn.hutool.core.util.ReflectUtil;
import cn.hutool.core.util.StrUtil;
import com.fasterxml.jackson.annotation.JsonFormat;
import com.fasterxml.jackson.annotation.JsonProperty;
import com.fasterxml.jackson.core.JsonGenerator;
import com.fasterxml.jackson.databind.JsonSerializer;
import com.fasterxml.jackson.databind.SerializerProvider;
import lombok.extern.slf4j.Slf4j;
import java.io.IOException;
import java.lang.reflect.Field;
import java.time.LocalDateTime;
import java.time.ZoneId;
import java.time.format.DateTimeFormatter;
import java.util.HashMap;
import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;
/**
* 基于时间戳的 LocalDateTime 序列化器
*
* @author 老五
*/
@Slf4j
public class TimestampLocalDateTimeSerializer extends JsonSerializer<LocalDateTime> {
public static final TimestampLocalDateTimeSerializer INSTANCE = new TimestampLocalDateTimeSerializer();
private static final Map<Class<?>, Map<String, Field>> FIELD_CACHE = new ConcurrentHashMap<>();
@Override
public void serialize(LocalDateTime value, JsonGenerator gen, SerializerProvider serializers) throws IOException {
// 情况一：有 JsonFormat 自定义注解，则使用它。https://github.com/YunaiV/ruoyi-vue-pro/pull/1019
String fieldName = gen.getOutputContext().getCurrentName();
if (fieldName != null) {
Class<?> clazz = gen.getOutputContext().getCurrentValue().getClass();
Field field = ReflectUtil.getField(clazz, fieldName);
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;
Object currentValue = gen.getOutputContext().getCurrentValue();
if (currentValue != null) {
Class<?> clazz = currentValue.getClass();
Map<String, Field> fieldMap = FIELD_CACHE.computeIfAbsent(clazz, this::buildFieldMap);
Field field = fieldMap.get(fieldName);
// 进一步修复：https://gitee.com/zhijiantianya/ruoyi-vue-pro/pulls/1480
if (field != null && field.isAnnotationPresent(JsonFormat.class)) {
JsonFormat jsonFormat = field.getAnnotation(JsonFormat.class);
try {
DateTimeFormatter formatter = DateTimeFormatter.ofPattern(jsonFormat.pattern());
gen.writeString(formatter.format(value));
return;
} catch (Exception ex) {
log.warn("[serialize][({}#{}) 使用 JsonFormat pattern 失败，尝试使用默认的 Long 时间戳]",
clazz.getName(), fieldName, ex);
}
}
}
}
@@ -41,4 +60,26 @@ public class TimestampLocalDateTimeSerializer extends JsonSerializer<LocalDateTi
gen.writeNumber(value.atZone(ZoneId.systemDefault()).toInstant().toEpochMilli());
}
/**
* 构建字段映射（缓存）
*
* @param clazz 类
* @return 字段映射
*/
private Map<String, Field> buildFieldMap(Class<?> clazz) {
Map<String, Field> fieldMap = new HashMap<>();
for (Field field : ReflectUtil.getFields(clazz)) {
String fieldName = field.getName();
JsonProperty jsonProperty = field.getAnnotation(JsonProperty.class);
if (jsonProperty != null) {
String value = jsonProperty.value();
if (StrUtil.isNotEmpty(value) && ObjUtil.notEqual("\u0000", value)) {
fieldName = value;
}
}
fieldMap.put(fieldName, field);
}
return fieldMap;
}
}