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22667cb4c1
@ -4,6 +4,7 @@ import cn.hutool.core.date.DateUtil;
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import cn.hutool.core.util.StrUtil;
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import cn.hutool.poi.excel.ExcelDateUtil;
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import cn.hutool.poi.excel.cell.CellValue;
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import java.util.Date;
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import org.apache.poi.ss.usermodel.Cell;
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import org.apache.poi.ss.usermodel.CellStyle;
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import org.apache.poi.ss.util.NumberToTextConverter;
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@ -24,7 +25,7 @@ public class NumericCellValue implements CellValue<Object> {
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*
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* @param cell {@link Cell}
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*/
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public NumericCellValue(Cell cell){
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public NumericCellValue(Cell cell) {
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this.cell = cell;
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}
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@ -36,8 +37,13 @@ public class NumericCellValue implements CellValue<Object> {
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if (null != style) {
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// 判断是否为日期
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if (ExcelDateUtil.isDateFormat(cell)) {
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// 1899年写入会导致数据错乱,读取到1899年证明这个单元格的信息不关注年月日
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Date dateCellValue = cell.getDateCellValue();
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if ("1899".equals(DateUtil.format(dateCellValue, "yyyy"))) {
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return DateUtil.format(dateCellValue, style.getDataFormatString());
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}
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// 使用Hutool的DateTime包装
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return DateUtil.date(cell.getDateCellValue());
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return DateUtil.date(dateCellValue);
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}
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final String format = style.getDataFormatString();
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@ -0,0 +1,26 @@
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package cn.hutool.poi.excel;
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import cn.hutool.poi.excel.cell.values.NumericCellValue;
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import java.util.Date;
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import org.apache.poi.ss.usermodel.Cell;
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import org.junit.Test;
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public class NumericCellValueTest {
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@Test
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public void writeTest() {
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final ExcelReader reader = ExcelUtil.getReader("1899bug_demo.xlsx");
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ExcelWriter writer = ExcelUtil.getWriter("1899bug_write.xlsx");
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Cell cell = reader.getCell(0, 0);
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// 直接取值
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// 和CellUtil.getCellValue(org.apache.poi.ss.usermodel.Cell)方法的结果一样
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// 1899-12-31 04:39:00
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Date cellValue = cell.getDateCellValue();
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// 将这个值写入EXCEL中自定义样式的单元格,结果会是-1
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writer.writeCellValue(0, 0, cellValue);
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// 修改后的写入,单元格内容正常
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writer.writeCellValue(1, 0, new NumericCellValue(cell).getValue());
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writer.close();
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reader.close();
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}
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}
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BIN
hutool-poi/src/test/resources/1899bug_demo.xlsx
Normal file
BIN
hutool-poi/src/test/resources/1899bug_demo.xlsx
Normal file
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