insert或者update时如果设置了创建时间或更新时间，会使用设置的时间，否则默认当前时间

epdc-commons-mybatis/src/main/java/com/elink/esua/epdc/commons/mybatis/handler/FieldMetaObjectHandler.java

@@ -23,6 +23,7 @@ import org.apache.ibatis.reflection.MetaObject;
 import org.springframework.stereotype.Component;
 
 import java.util.Date;
+import java.util.Optional;
 
 /**
  * 公共字段，自动填充值
@@ -45,9 +46,9 @@ public class FieldMetaObjectHandler implements MetaObjectHandler {
         if (metaObject.getOriginalObject() instanceof BaseEpdcEntity) {
             String userId = user == null ? Constant.APP_USER_FLAG : String.valueOf(user.getId());
             Long deptId = user == null ? null : user.getDeptId();
-            setFieldValByName(FieldConstant.CREATED_TIME_HUMP, date, metaObject);
+            setFieldValByName(FieldConstant.CREATED_TIME_HUMP, getCreatedTimeByFieldValue(metaObject), metaObject);
             setFieldValByName(FieldConstant.CREATED_BY_HUMP, userId, metaObject);
-            setFieldValByName(FieldConstant.UPDATED_TIME_HUMP, date, metaObject);
+            setFieldValByName(FieldConstant.UPDATED_TIME_HUMP, getUpdatedTimeByFieldValue(metaObject), metaObject);
             setFieldValByName(FieldConstant.UPDATED_BY_HUMP, userId, metaObject);
             setFieldValByName(FieldConstant.REVISION_HUMP, NumConstant.ZERO, metaObject);
             //删除标识
@@ -104,7 +105,29 @@ public class FieldMetaObjectHandler implements MetaObjectHandler {
         } else if (fillEsuaEntity) {
             String userId = null == id ? Constant.APP_USER_FLAG : String.valueOf(id);
             setFieldValByName(FieldConstant.UPDATED_BY_HUMP, userId, metaObject);
-            setFieldValByName(FieldConstant.UPDATED_TIME_HUMP, new Date(), metaObject);
+            setFieldValByName(FieldConstant.UPDATED_TIME_HUMP, getUpdatedTimeByFieldValue(metaObject), metaObject);
         }
     }
+
+    public Object getCreatedTimeByFieldValue(MetaObject metaObject) {
+        Object createdTime = null;
+        if (metaObject.hasGetter(FieldConstant.CREATED_TIME_HUMP)) {
+            createdTime = metaObject.getValue(FieldConstant.CREATED_TIME_HUMP);
+        }
+        if (createdTime == null) {
+            createdTime = new Date();
+        }
+        return createdTime;
+    }
+
+    public Object getUpdatedTimeByFieldValue(MetaObject metaObject) {
+        Object updatedTime = null;
+        if (metaObject.hasGetter(FieldConstant.UPDATED_TIME_HUMP)) {
+            updatedTime = metaObject.getValue(FieldConstant.UPDATED_TIME_HUMP);
+        }
+        if (updatedTime == null) {
+            updatedTime = new Date();
+        }
+        return updatedTime;
+    }
 }