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把合并单元格的数据提起出来,让大家都可以复用

4.1.3.A
jueyue 9 years ago
parent
commit
49ce6cc7ff
2 changed files with 162 additions and 123 deletions
  1. +7
    -123
      easypoi-base/src/main/java/org/jeecgframework/poi/excel/export/base/ExcelExportBase.java
  2. +155
    -0
      easypoi-base/src/main/java/org/jeecgframework/poi/util/PoiMergeCellUtil.java

+ 7
- 123
easypoi-base/src/main/java/org/jeecgframework/poi/excel/export/base/ExcelExportBase.java View File

@@ -48,6 +48,7 @@ import org.jeecgframework.poi.excel.entity.params.ExcelExportEntity;
import org.jeecgframework.poi.excel.entity.params.MergeEntity;
import org.jeecgframework.poi.excel.entity.vo.PoiBaseConstants;
import org.jeecgframework.poi.excel.export.styler.IExcelExportStyler;
import org.jeecgframework.poi.util.PoiMergeCellUtil;
import org.jeecgframework.poi.util.PoiPublicUtil;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
@@ -59,8 +60,9 @@ import org.slf4j.LoggerFactory;
* @date 2014年6月17日 下午6:15:13
*/
public abstract class ExcelExportBase extends ExportBase {
private static final Logger LOGGER = LoggerFactory.getLogger(ExcelExportBase.class);
private static final Logger LOGGER = LoggerFactory
.getLogger(ExcelExportBase.class);
private int currentIndex = 0;
@@ -72,25 +74,6 @@ public abstract class ExcelExportBase extends ExportBase {
private IExcelExportStyler excelExportStyler;
private boolean checkIsEqualByCellContents(MergeEntity mergeEntity, String text, Cell cell,
int[] delys, int rowNum) {
// 没有依赖关系
if (delys == null || delys.length == 0) {
return mergeEntity.getText().equals(text);
}
// 存在依赖关系
if (mergeEntity.getText().equals(text)) {
for (int i = 0; i < delys.length; i++) {
if (!getCellNotNullText(cell, delys[i], rowNum).equals(
mergeEntity.getRelyList().get(i))) {
return false;
}
}
return true;
}
return false;
}
/**
* 创建 最主要的 Cells
*
@@ -110,7 +93,7 @@ public abstract class ExcelExportBase extends ExportBase {
for (int k = indexKey, paramSize = excelParams.size(); k < paramSize; k++) {
entity = excelParams.get(k);
if (entity.getList() != null) {
Collection<?> list = getListCellValue(entity,t);
Collection<?> list = getListCellValue(entity, t);
int listC = 0;
for (Object obj : list) {
createListCells(patriarch, index + listC, cellNum, obj, entity.getList(),
@@ -194,7 +177,7 @@ public abstract class ExcelExportBase extends ExportBase {
patriarch.createPicture(anchor,
row.getSheet().getWorkbook().addPicture(value, getImageType(value)));
} catch (IOException e) {
LOGGER.error(e.getMessage(),e);
LOGGER.error(e.getMessage(), e);
}
} else {
byte[] value = (byte[]) (entity.getMethods() != null ? getFieldBySomeMethod(
@@ -248,16 +231,6 @@ public abstract class ExcelExportBase extends ExportBase {
}
}
private MergeEntity createMergeEntity(String text, int rowNum, Cell cell, int[] delys) {
MergeEntity mergeEntity = new MergeEntity(text, rowNum, rowNum);
List<String> list = new ArrayList<String>(delys.length);
mergeEntity.setRelyList(list);
for (int i = 0; i < delys.length; i++) {
list.add(getCellNotNullText(cell, delys[i], rowNum));
}
return mergeEntity;
}
/**
* 创建文本类型的Cell
*
@@ -326,22 +299,6 @@ public abstract class ExcelExportBase extends ExportBase {
}
}
/**
* 获取一个单元格的值,确保这个单元格必须有值,不然向上查询
*
* @param cell
* @param index
* @param rowNum
* @return
*/
private String getCellNotNullText(Cell cell, int index, int rowNum) {
String temp = cell.getRow().getCell(index).getStringCellValue();
while (StringUtils.isEmpty(temp)) {
temp = cell.getRow().getSheet().getRow(--rowNum).getCell(index).getStringCellValue();
}
return temp;
}
/**
* 获取导出报表的字段总长度
*
@@ -406,50 +363,6 @@ public abstract class ExcelExportBase extends ExportBase {
return excelExportStyler.getStyles(needOne, entity);
}
/**
* 处理合并单元格
*
* @param index
* @param rowNum
* @param text
* @param mergeDataMap
* @param sheet
* @param cell
* @param delys
*/
private void hanlderMergeCells(Integer index, int rowNum, String text,
Map<Integer, MergeEntity> mergeDataMap, Sheet sheet, Cell cell,
int[] delys) {
if (mergeDataMap.containsKey(index)) {
if (checkIsEqualByCellContents(mergeDataMap.get(index), text, cell, delys, rowNum)) {
mergeDataMap.get(index).setEndRow(rowNum);
} else {
sheet.addMergedRegion(new CellRangeAddress(mergeDataMap.get(index).getStartRow(),
mergeDataMap.get(index).getEndRow(), index, index));
mergeDataMap.put(index, createMergeEntity(text, rowNum, cell, delys));
}
} else {
mergeDataMap.put(index, createMergeEntity(text, rowNum, cell, delys));
}
}
/**
* 字符为空的情况下判断
*
* @param index
* @param mergeDataMap
* @param sheet
*/
private void mergeCellOrContinue(Integer index, Map<Integer, MergeEntity> mergeDataMap,
Sheet sheet) {
if (mergeDataMap.containsKey(index)
&& mergeDataMap.get(index).getEndRow() != mergeDataMap.get(index).getStartRow()) {
sheet.addMergedRegion(new CellRangeAddress(mergeDataMap.get(index).getStartRow(),
mergeDataMap.get(index).getEndRow(), index, index));
mergeDataMap.remove(index);
}
}
/**
* 合并单元格
*
@@ -459,36 +372,7 @@ public abstract class ExcelExportBase extends ExportBase {
*/
public void mergeCells(Sheet sheet, List<ExcelExportEntity> excelParams, int titleHeight) {
Map<Integer, int[]> mergeMap = getMergeDataMap(excelParams);
Map<Integer, MergeEntity> mergeDataMap = new HashMap<Integer, MergeEntity>();
if (mergeMap.size() == 0) {
return;
}
Row row;
Set<Integer> sets = mergeMap.keySet();
String text;
for (int i = titleHeight; i <= sheet.getLastRowNum(); i++) {
row = sheet.getRow(i);
for (Integer index : sets) {
if (row.getCell(index) == null) {
mergeDataMap.get(index).setEndRow(i);
} else {
text = row.getCell(index).getStringCellValue();
if (StringUtils.isNotEmpty(text)) {
hanlderMergeCells(index, i, text, mergeDataMap, sheet, row.getCell(index),
mergeMap.get(index));
} else {
mergeCellOrContinue(index, mergeDataMap, sheet);
}
}
}
}
if (mergeDataMap.size() > 0) {
for (Integer index : mergeDataMap.keySet()) {
sheet.addMergedRegion(new CellRangeAddress(mergeDataMap.get(index).getStartRow(),
mergeDataMap.get(index).getEndRow(), index, index));
}
}
PoiMergeCellUtil.mergeCells(sheet, mergeMap, titleHeight);
}
public void setCellWith(List<ExcelExportEntity> excelParams, Sheet sheet) {


+ 155
- 0
easypoi-base/src/main/java/org/jeecgframework/poi/util/PoiMergeCellUtil.java View File

@@ -0,0 +1,155 @@
package org.jeecgframework.poi.util;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Set;
import org.apache.commons.lang3.StringUtils;
import org.apache.poi.ss.usermodel.Cell;
import org.apache.poi.ss.usermodel.Row;
import org.apache.poi.ss.usermodel.Sheet;
import org.apache.poi.ss.util.CellRangeAddress;
import org.jeecgframework.poi.excel.entity.params.MergeEntity;
/**
* 纵向合并单元格工具类
* @author JueYue
* @date 2015年6月21日 上午11:21:40
*/
public final class PoiMergeCellUtil {
private PoiMergeCellUtil() {
}
/**
* 纵向合并相同内容的单元格
*
* @param sheet
* @param mergeMap key--列,value--依赖的列,没有传空
* @param startRow 开始行
*/
public static void mergeCells(Sheet sheet, Map<Integer, int[]> mergeMap, int startRow) {
Map<Integer, MergeEntity> mergeDataMap = new HashMap<Integer, MergeEntity>();
if (mergeMap.size() == 0) {
return;
}
Row row;
Set<Integer> sets = mergeMap.keySet();
String text;
for (int i = startRow; i <= sheet.getLastRowNum(); i++) {
row = sheet.getRow(i);
for (Integer index : sets) {
if (row.getCell(index) == null) {
mergeDataMap.get(index).setEndRow(i);
} else {
text = row.getCell(index).getStringCellValue();
if (StringUtils.isNotEmpty(text)) {
hanlderMergeCells(index, i, text, mergeDataMap, sheet, row.getCell(index),
mergeMap.get(index));
} else {
mergeCellOrContinue(index, mergeDataMap, sheet);
}
}
}
}
if (mergeDataMap.size() > 0) {
for (Integer index : mergeDataMap.keySet()) {
sheet.addMergedRegion(new CellRangeAddress(mergeDataMap.get(index).getStartRow(),
mergeDataMap.get(index).getEndRow(), index, index));
}
}
}
/**
* 处理合并单元格
*
* @param index
* @param rowNum
* @param text
* @param mergeDataMap
* @param sheet
* @param cell
* @param delys
*/
private static void hanlderMergeCells(Integer index, int rowNum, String text,
Map<Integer, MergeEntity> mergeDataMap, Sheet sheet,
Cell cell, int[] delys) {
if (mergeDataMap.containsKey(index)) {
if (checkIsEqualByCellContents(mergeDataMap.get(index), text, cell, delys, rowNum)) {
mergeDataMap.get(index).setEndRow(rowNum);
} else {
sheet.addMergedRegion(new CellRangeAddress(mergeDataMap.get(index).getStartRow(),
mergeDataMap.get(index).getEndRow(), index, index));
mergeDataMap.put(index, createMergeEntity(text, rowNum, cell, delys));
}
} else {
mergeDataMap.put(index, createMergeEntity(text, rowNum, cell, delys));
}
}
/**
* 字符为空的情况下判断
*
* @param index
* @param mergeDataMap
* @param sheet
*/
private static void mergeCellOrContinue(Integer index, Map<Integer, MergeEntity> mergeDataMap,
Sheet sheet) {
if (mergeDataMap.containsKey(index)
&& mergeDataMap.get(index).getEndRow() != mergeDataMap.get(index).getStartRow()) {
sheet.addMergedRegion(new CellRangeAddress(mergeDataMap.get(index).getStartRow(),
mergeDataMap.get(index).getEndRow(), index, index));
mergeDataMap.remove(index);
}
}
private static MergeEntity createMergeEntity(String text, int rowNum, Cell cell, int[] delys) {
MergeEntity mergeEntity = new MergeEntity(text, rowNum, rowNum);
List<String> list = new ArrayList<String>(delys.length);
mergeEntity.setRelyList(list);
for (int i = 0; i < delys.length; i++) {
list.add(getCellNotNullText(cell, delys[i], rowNum));
}
return mergeEntity;
}
private static boolean checkIsEqualByCellContents(MergeEntity mergeEntity, String text,
Cell cell, int[] delys, int rowNum) {
// 没有依赖关系
if (delys == null || delys.length == 0) {
return mergeEntity.getText().equals(text);
}
// 存在依赖关系
if (mergeEntity.getText().equals(text)) {
for (int i = 0; i < delys.length; i++) {
if (!getCellNotNullText(cell, delys[i], rowNum).equals(
mergeEntity.getRelyList().get(i))) {
return false;
}
}
return true;
}
return false;
}
/**
* 获取一个单元格的值,确保这个单元格必须有值,不然向上查询
*
* @param cell
* @param index
* @param rowNum
* @return
*/
private static String getCellNotNullText(Cell cell, int index, int rowNum) {
String temp = cell.getRow().getCell(index).getStringCellValue();
while (StringUtils.isEmpty(temp)) {
temp = cell.getRow().getSheet().getRow(--rowNum).getCell(index).getStringCellValue();
}
return temp;
}
}

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