gjh
3 days ago
7 changed files with 210 additions and 24 deletions
@ -0,0 +1,26 @@ |
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package com.easy.admin.common.enums; |
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public enum ProjectStage { |
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STAGE_1(1, "项目立项阶段"), |
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STAGE_2(2, "项目采购阶段"), |
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STAGE_3(3, "项目建设阶段"), // 注意这里应该是"项目建设阶段"而非"项目建设极端"
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STAGE_4(4, "绩效评估阶段"), |
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STAGE_5(5, "项目验收阶段"); |
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private final int stageNumber; |
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private final String description; |
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ProjectStage(int stageNumber, String description) { |
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this.stageNumber = stageNumber; |
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this.description = description; |
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} |
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public static String getDescriptionByStageNumber(int stageNumber) { |
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for (ProjectStage ps : ProjectStage.values()) { |
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if (ps.stageNumber == stageNumber) { |
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return ps.description; |
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} |
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} |
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throw new IllegalArgumentException("No matching stage found for number: " + stageNumber); |
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} |
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} |
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@ -0,0 +1,83 @@ |
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package com.easy.admin.modules.huzhou.handler; |
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import com.alibaba.excel.metadata.Head; |
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import com.alibaba.excel.metadata.data.WriteCellData; |
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import com.alibaba.excel.write.handler.CellWriteHandler; |
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import com.alibaba.excel.write.metadata.holder.WriteSheetHolder; |
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import com.alibaba.excel.write.metadata.holder.WriteTableHolder; |
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import org.apache.poi.ss.usermodel.Cell; |
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import org.apache.poi.ss.usermodel.CellType; |
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import org.apache.poi.ss.usermodel.Row; |
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import org.apache.poi.ss.usermodel.Sheet; |
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import org.apache.poi.ss.util.CellRangeAddress; |
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import java.util.List; |
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public class CustomMergeStrategy implements CellWriteHandler { |
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/** |
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* 合并列名。 |
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*/ |
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private final List<String> mergeColumnNames; |
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/** |
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* 构造函数。 |
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* |
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* @param mergeColumnNames 合并列名。 |
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*/ |
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public CustomMergeStrategy(List<String> mergeColumnNames) { |
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this.mergeColumnNames = mergeColumnNames; |
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} |
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@Override |
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public void afterCellDispose(WriteSheetHolder writeSheetHolder, WriteTableHolder writeTableHolder, List<WriteCellData<?>> cellDataList, Cell cell, Head head, Integer relativeRowIndex, Boolean isHead) { |
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// 校验：如果当前是表头，则不处理。
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if (isHead) { |
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return; |
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} |
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// 校验：如果当前是第一行，则不处理。
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if (relativeRowIndex == 0) { |
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return; |
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} |
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// 校验：如果当前列名不在合并列名列表中，则不处理。
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if (!this.mergeColumnNames.contains(head.getFieldName())) { |
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return; |
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} |
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// 获取：当前表格、当前行下标、上一行下标、上一行对象、上一列对象。
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Sheet sheet = cell.getSheet(); |
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int rowIndexCurrent = cell.getRowIndex(); |
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int rowIndexPrev = rowIndexCurrent - 1; |
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Row rowPrev = sheet.getRow(rowIndexPrev); |
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Cell cellPrev = rowPrev.getCell(cell.getColumnIndex()); |
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// 获取：当前单元格值、上一单元格值。
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Object cellValueCurrent = cell.getCellType() == CellType.STRING ? cell.getStringCellValue() : cell.getNumericCellValue(); |
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Object cellValuePrev = cellPrev.getCellType() == CellType.STRING ? cellPrev.getStringCellValue() : cellPrev.getNumericCellValue(); |
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// 校验：如果当前单元格值与上一单元格值不相等，则不处理。
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if (!cellValueCurrent.equals(cellValuePrev)) { |
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return; |
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} |
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List<CellRangeAddress> mergedRegions = sheet.getMergedRegions(); |
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boolean merged = false; |
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for (int i = 0; i < mergedRegions.size(); i++) { |
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CellRangeAddress cellRangeAddress = mergedRegions.get(i); |
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if (cellRangeAddress.isInRange(rowIndexPrev, cell.getColumnIndex())) { |
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sheet.removeMergedRegion(i); // 移除合并单元格。
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cellRangeAddress.setLastRow(rowIndexCurrent); // 设置合并单元格的结束行。
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sheet.addMergedRegion(cellRangeAddress); // 重新添加合并单元格。
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merged = true; |
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break; |
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} |
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} |
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if (!merged) { |
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CellRangeAddress cellRangeAddress = new CellRangeAddress(rowIndexPrev, rowIndexCurrent, cell.getColumnIndex(), cell.getColumnIndex()); |
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sheet.addMergedRegion(cellRangeAddress); |
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} |
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} |
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} |
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