fix: support SQL date types in WriteCellData

fesod-sheet/src/main/java/org/apache/fesod/sheet/metadata/data/WriteCellData.java

@@ -169,7 +169,13 @@ public WriteCellData(Date dateValue) {
             throw new IllegalArgumentException("DateValue can not be null");
         }
         setType(CellDataTypeEnum.DATE);
-        this.dateValue = LocalDateTime.ofInstant(dateValue.toInstant(), ZoneId.systemDefault());
+        if (dateValue instanceof java.sql.Date) {
+            this.dateValue = ((java.sql.Date) dateValue).toLocalDate().atStartOfDay();
+        } else if (dateValue instanceof java.sql.Time) {
+            this.dateValue = ((java.sql.Time) dateValue).toLocalTime().atDate(java.time.LocalDate.of(1970, 1, 1));
+        } else {
+            this.dateValue = LocalDateTime.ofInstant(dateValue.toInstant(), ZoneId.systemDefault());
+        }
     }
 
     /**

fesod-sheet/src/test/java/org/apache/fesod/sheet/metadata/data/WriteCellDataTest.java

@@ -0,0 +1,56 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.fesod.sheet.metadata.data;
+
+import java.time.LocalDate;
+import java.time.LocalDateTime;
+import java.time.LocalTime;
+import org.apache.fesod.sheet.enums.CellDataTypeEnum;
+import org.junit.jupiter.api.Assertions;
+import org.junit.jupiter.api.Test;
+
+public class WriteCellDataTest {
+
+    @Test
+    void constructorShouldSupportSqlDate() {
+        WriteCellData<?> cellData = new WriteCellData<>(java.sql.Date.valueOf("2026-05-07"));
+
+        Assertions.assertEquals(CellDataTypeEnum.DATE, cellData.getType());
+        Assertions.assertEquals(
+                LocalDate.of(2026, 5, 7), cellData.getDateValue().toLocalDate());
+    }
+
+    @Test
+    void constructorShouldSupportSqlTime() {
+        WriteCellData<?> cellData = new WriteCellData<>(java.sql.Time.valueOf("12:34:56"));
+
+        Assertions.assertEquals(CellDataTypeEnum.DATE, cellData.getType());
+        Assertions.assertEquals(
+                LocalTime.of(12, 34, 56), cellData.getDateValue().toLocalTime());
+    }
+
+    @Test
+    void constructorShouldKeepSupportingSqlTimestampNanos() {
+        WriteCellData<?> cellData = new WriteCellData<>(java.sql.Timestamp.valueOf("2026-05-07 12:34:56.789123456"));
+
+        Assertions.assertEquals(CellDataTypeEnum.DATE, cellData.getType());
+        Assertions.assertEquals(LocalDateTime.of(2026, 5, 7, 12, 34, 56, 789_123_456), cellData.getDateValue());
+    }
+}