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haomingming 2026-01-04 14:15:19 +08:00
parent 3a7c6aa4e3
commit e4b4423b66
1 changed files with 86 additions and 71 deletions
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157
sa-admin/src/main/java/net/lab1024/sa/admin/module/business/caseplatformcase/converter/CustomExcelWriteHandler.java
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@ -18,6 +18,7 @@ public class CustomExcelWriteHandler implements WriteHandler {
private final double totalTotal;
private final int dataSize;
private boolean totalRowCreated = false;
private int processedDataRowCount = 0; // 已处理的数据行数
// 缓存 Workbook（在 afterSheetCreate 中初始化）
private Workbook workbook;
@ -64,82 +65,96 @@ public class CustomExcelWriteHandler implements WriteHandler {
headRow.setHeightInPoints(25);
}
// 关键：数据行写入完成后创建合计行（兼容低版本）
// 设置数据行行高，并在最后一行数据写入后创建合计行
public void afterRowDispose(WriteSheetHolder writeSheetHolder, Row row, Integer relativeRowIndex, Boolean isHead) throws IOException {
// 仅在最后一行数据写入后创建合计行，且未创建过
if (!totalRowCreated && relativeRowIndex != null && relativeRowIndex == dataSize - 1) {
Sheet sheet = writeSheetHolder.getSheet();
// 修正合计行索引：0=大标题，1=表头，2~1+dataSize=数据，2+dataSize=合计
int totalRowIndex = 2 + dataSize;
Row totalRow = sheet.createRow(totalRowIndex);
totalRow.setHeightInPoints(22);
// 合计行样式（黑底白字）
CellStyle totalStyle = workbook.createCellStyle();
Font totalFont = workbook.createFont();
totalFont.setBold(true);
totalFont.setColor(IndexedColors.WHITE.getIndex());
totalStyle.setFont(totalFont);
totalStyle.setFillForegroundColor(IndexedColors.BLACK.getIndex());
totalStyle.setFillPattern(FillPatternType.SOLID_FOREGROUND);
totalStyle.setAlignment(HorizontalAlignment.CENTER);
totalStyle.setVerticalAlignment(VerticalAlignment.CENTER);
totalStyle.setBorderTop(BorderStyle.THIN);
totalStyle.setBorderBottom(BorderStyle.THIN);
totalStyle.setBorderLeft(BorderStyle.THIN);
totalStyle.setBorderRight(BorderStyle.THIN);
// 合并前6列写“合计”
sheet.addMergedRegion(new CellRangeAddress(totalRowIndex, totalRowIndex, 0, 5));
Cell totalCell = totalRow.createCell(0);
totalCell.setCellValue("合计");
totalCell.setCellStyle(totalStyle);
// 实发、个税、应发赋值+样式
Cell actualCell = totalRow.createCell(6);
actualCell.setCellValue(totalActual);
actualCell.setCellStyle(totalStyle);
Cell taxCell = totalRow.createCell(8);
taxCell.setCellValue(totalTax);
taxCell.setCellStyle(totalStyle);
Cell totalAmtCell = totalRow.createCell(9);
totalAmtCell.setCellValue(totalTotal);
totalAmtCell.setCellStyle(totalStyle);
// 其他列补充边框
CellStyle borderStyle = workbook.createCellStyle();
borderStyle.setBorderBottom(BorderStyle.THIN);
borderStyle.setBorderTop(BorderStyle.THIN);
borderStyle.setBorderLeft(BorderStyle.THIN);
borderStyle.setBorderRight(BorderStyle.THIN);
borderStyle.setAlignment(HorizontalAlignment.CENTER);
for (int i = 0; i < 14; i++) {
if (i == 0 || i == 6 || i == 8 || i == 9) {
continue;
}
Cell cell = totalRow.getCell(i);
if (cell == null) {
cell = totalRow.createCell(i);
}
cell.setCellStyle(borderStyle);
// 设置数据行行高（排除表头行）
if (isHead == null || !isHead) {
processedDataRowCount++;
if (row.getRowNum() >= 2 && row.getRowNum() <= 1 + dataSize) {
row.setHeightInPoints(22);
}
// 标记合计行已创建
totalRowCreated = true;
// 强制刷新（兼容SXSSF）
if (sheet instanceof SXSSFSheet) {
((SXSSFSheet) sheet).flushRows();
// 如果是最后一行数据，创建合计行
if (!totalRowCreated && processedDataRowCount == dataSize && dataSize > 0) {
createTotalRow(writeSheetHolder.getSheet());
}
}
}
// 创建合计行的辅助方法
private void createTotalRow(Sheet sheet) throws IOException {
// 修正合计行索引：0=大标题，1=表头，2~1+dataSize=数据，2+dataSize=合计
int totalRowIndex = 2 + dataSize;
Row totalRow = sheet.createRow(totalRowIndex);
totalRow.setHeightInPoints(22);
// 设置数据行行高
if (row.getRowNum() >= 2 && row.getRowNum() <= 1 + dataSize) {
row.setHeightInPoints(22);
// 合计行样式（黑底白字）
CellStyle totalStyle = workbook.createCellStyle();
Font totalFont = workbook.createFont();
totalFont.setBold(true);
totalFont.setColor(IndexedColors.WHITE.getIndex());
totalStyle.setFont(totalFont);
totalStyle.setFillForegroundColor(IndexedColors.BLACK.getIndex());
totalStyle.setFillPattern(FillPatternType.SOLID_FOREGROUND);
totalStyle.setAlignment(HorizontalAlignment.CENTER);
totalStyle.setVerticalAlignment(VerticalAlignment.CENTER);
totalStyle.setBorderTop(BorderStyle.THIN);
totalStyle.setBorderBottom(BorderStyle.THIN);
totalStyle.setBorderLeft(BorderStyle.THIN);
totalStyle.setBorderRight(BorderStyle.THIN);
// 合并前6列写"合计"
sheet.addMergedRegion(new CellRangeAddress(totalRowIndex, totalRowIndex, 0, 5));
Cell totalCell = totalRow.createCell(0);
totalCell.setCellValue("合计");
totalCell.setCellStyle(totalStyle);
// 实发、个税、应发赋值+样式
Cell actualCell = totalRow.createCell(6);
actualCell.setCellValue(totalActual);
actualCell.setCellStyle(totalStyle);
Cell taxCell = totalRow.createCell(8);
taxCell.setCellValue(totalTax);
taxCell.setCellStyle(totalStyle);
Cell totalAmtCell = totalRow.createCell(9);
totalAmtCell.setCellValue(totalTotal);
totalAmtCell.setCellStyle(totalStyle);
// 其他列补充边框
CellStyle borderStyle = workbook.createCellStyle();
borderStyle.setBorderBottom(BorderStyle.THIN);
borderStyle.setBorderTop(BorderStyle.THIN);
borderStyle.setBorderLeft(BorderStyle.THIN);
borderStyle.setBorderRight(BorderStyle.THIN);
borderStyle.setAlignment(HorizontalAlignment.CENTER);
for (int i = 0; i < 14; i++) {
if (i == 0 || i == 6 || i == 8 || i == 9) {
continue;
}
Cell cell = totalRow.getCell(i);
if (cell == null) {
cell = totalRow.createCell(i);
}
cell.setCellStyle(borderStyle);
}
// 标记合计行已创建
totalRowCreated = true;
// 强制刷新（兼容SXSSF）
if (sheet instanceof SXSSFSheet) {
((SXSSFSheet) sheet).flushRows();
}
}
// 备用：在所有数据写入完成后创建合计行（如果 afterRowDispose 中没有创建）
public void afterSheetDispose(WriteWorkbookHolder writeWorkbookHolder, WriteSheetHolder writeSheetHolder) throws IOException {
// 如果合计行还未创建，则创建（备用方案）
if (!totalRowCreated && dataSize > 0) {
createTotalRow(writeSheetHolder.getSheet());
}
}