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102 changes: 102 additions & 0 deletions
102
autopoi/src/main/java/org/jeecgframework/poi/util/PoiExcelTempUtil.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,102 @@ | ||
| package org.jeecgframework.poi.util; | ||
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| import org.apache.poi.hssf.usermodel.HSSFWorkbook; | ||
| import org.apache.poi.ss.usermodel.*; | ||
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| import java.util.Date; | ||
| import java.util.HashMap; | ||
| import java.util.Map; | ||
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| /** | ||
| * poi 4.0 07版本在 shift操作下有bug,不移动了单元格以及单元格样式,没有移动cell | ||
| * cell还是复用的原理的cell,导致wb输出的时候没有输出值 | ||
| * 等待修复的时候删除这个问题 | ||
| * | ||
| * @author by jueyue on 19-6-17. | ||
| */ | ||
| public class PoiExcelTempUtil { | ||
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| /** | ||
| * 把这N行的数据,cell重新设置下,修复因为shift的浅复制问题,导致文本不显示的错误 | ||
| * | ||
| * @param sheet | ||
| * @param startRow | ||
| * @param endRow | ||
| */ | ||
| public static void reset(Sheet sheet, int startRow, int endRow) { | ||
| if (sheet.getWorkbook() instanceof HSSFWorkbook) { | ||
| return; | ||
| } | ||
| for (int i = startRow; i <= endRow; i++) { | ||
| Row row = sheet.getRow(i); | ||
| if (row == null) { | ||
| continue; | ||
| } | ||
| int cellNum = row.getLastCellNum(); | ||
| for (int j = 0; j < cellNum; j++) { | ||
| if (row.getCell(j) == null) { | ||
| continue; | ||
| } | ||
| Map<String, Object> map = copyCell(row.getCell(j)); | ||
| row.removeCell(row.getCell(j)); | ||
| Cell cell = row.createCell(j); | ||
| cell.setCellStyle((CellStyle) map.get("cellStyle")); | ||
| if ((boolean) map.get("isDate")) { | ||
| cell.setCellValue((Date) map.get("value")); | ||
| } else { | ||
| CellType cellType = (CellType) map.get("cellType"); | ||
| switch (cellType) { | ||
| case NUMERIC: | ||
| cell.setCellValue((double) map.get("value")); | ||
| break; | ||
| case STRING: | ||
| cell.setCellValue((String) map.get("value")); | ||
| case FORMULA: | ||
| break; | ||
| case BLANK: | ||
| break; | ||
| case BOOLEAN: | ||
| cell.setCellValue((boolean) map.get("value")); | ||
| case ERROR: | ||
| break; | ||
| } | ||
| } | ||
| } | ||
| } | ||
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| } | ||
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| private static Map copyCell(Cell cell) { | ||
| Map<String, Object> map = new HashMap<>(); | ||
| map.put("cellType", cell.getCellType()); | ||
| map.put("isDate", CellType.NUMERIC == cell.getCellType() && DateUtil.isCellDateFormatted(cell)); | ||
| map.put("value", getValue(cell)); | ||
| map.put("cellStyle", cell.getCellStyle()); | ||
| return map; | ||
| } | ||
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| private static Object getValue(Cell cell) { | ||
| if (CellType.NUMERIC == cell.getCellType() && DateUtil.isCellDateFormatted(cell)) { | ||
| return cell.getDateCellValue(); | ||
| } | ||
| switch (cell.getCellType()) { | ||
| case _NONE: | ||
| return null; | ||
| case NUMERIC: | ||
| return cell.getNumericCellValue(); | ||
| case STRING: | ||
| return cell.getStringCellValue(); | ||
| case FORMULA: | ||
| return cell.getCellFormula(); | ||
| case BLANK: | ||
| break; | ||
| case BOOLEAN: | ||
| return cell.getBooleanCellValue(); | ||
| case ERROR: | ||
| break; | ||
| } | ||
| return null; | ||
| } | ||
|
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|
|
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| } |
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