poi之----esaypoi 模板导出循环指令fe 合并单元格时格式错乱问题
话不多说直接干饭，我的esaypoi使用的是4.3.0
下一章easypoi4.4.0（目前最新版本）的修改代码（包括easypoi模板导出图片不显示问题）
点击查看
目录
1.加载模板数据导出语句
2.反编译 cn.afterturn.easypoi.excel.ExcelExportUtil
3.反编译 cn.afterturn.easypoi.excel.export.template.ExcelExportOfTemplateUtil
4.1.为了方便查看，把修改的方法单独拿出来，修改方法如下：
4.1.1.addListDataToExcel
4.1.2.setForeachRowCellValue
4.1.3.getLoopEachParams 主要是解决一对多的时候
4.新建工具类Sd3eUtil
1.加载模板数据导出语句
Workbook book = ExcelExportUtil.exportExcel(params, valueXbx);
@Test
public void xbx() throws Exception {
//养护方案全部
Map valueXbx = new HashMap();
// List listMaintenanceRecordName = new ArrayList();
List> listMaintenanceRecordM = new ArrayList>();
for(int i=0; i<100; i++){
listMaintenanceRecordM.add(new HashMap());
listMaintenanceRecordM.get(i).put("maintenanceYear0","2021-08-10");
listMaintenanceRecordM.get(i).put("maintenancePlan0","计划是什么0："+String.valueOf(i));
listMaintenanceRecordM.get(i).put("maintenanceYear1","2021-08-11");
listMaintenanceRecordM.get(i).put("maintenancePlan1","计划是什么1："+String.valueOf(i));
listMaintenanceRecordM.get(i).put("maintenanceYear2","2021-08-12");
listMaintenanceRecordM.get(i).put("maintenancePlan2","计划是什么2："+String.valueOf(i));
// listMaintenanceRecordName.add(new MaintenanceRecordName());
// listMaintenanceRecordName.get(i).setMaintenancePlan0("2021-08-11");
// listMaintenanceRecordName.get(i).setMaintenanceYear0("计划是什么:"+String.valueOf(i));
}
valueXbx.put("highwayRouteNumber", "");//路线编号
valueXbx.put("startingPositionMileage", "");//起始桩号
valueXbx.put("endingPositionMileage", "");//终止桩号
valueXbx.put("laneDirection", "");//行车方向
valueXbx.put("lanePosition", "");//车道位置
valueXbx.put("trafficLoadLevel", "");//交通荷载等级
valueXbx.put("constructionYear", "");//修建年度
valueXbx.put("pavementStructure", "");//结构形式
valueXbx.put("roadAge", "");//路龄（年）
valueXbx.put("maintenanceYear", "");//养护年度
valueXbx.put("maintenancePlan", "");//养护方案
valueXbx.put("aadtt", "");//交通荷载 AADTT
valueXbx.put("pqi", "");//pqi
valueXbx.put("pci", "");//pci
valueXbx.put("rqi", "");//rqi
valueXbx.put("rdi", "");//rdi
valueXbx.put("pssi", "");//pssi
valueXbx.put("pssi", "");//弯沉
valueXbx.put("pwi", "");//pwi
valueXbx.put("sri", "");//sri
valueXbx.put("pbi", "");//pbi
valueXbx.put("listMaintenanceRecordM",listMaintenanceRecordM);
TemplateExportParams params = new TemplateExportParams(
"doc/xbx.xlsx");
params.setColForEach(true);
Workbook book = ExcelExportUtil.exportExcel(params, valueXbx);
int listMaintenanceRecordMStartRow=3;
CellRangeAddress regionMaintenanceRecord = new CellRangeAddress(listMaintenanceRecordMStartRow, listMaintenanceRecordMStartRow+listMaintenanceRecordM.size()-1, 0, 2);
book.getSheetAt(0).addMergedRegion(regionMaintenanceRecord);
//PoiMergeCellUtil.mergeCells(book.getSheetAt(0), 1, 0,1);
FileOutputStream fos = new FileOutputStream("D:/home/excel/xbx.xlsx");
book.write(fos);
fos.close();
}@Test
public void xbx() throws Exception {
//养护方案全部
Map valueXbx = new HashMap();
// List listMaintenanceRecordName = new ArrayList();
List> listMaintenanceRecordM = new ArrayList>();
for(int i=0; i<100; i++){
listMaintenanceRecordM.add(new HashMap());
listMaintenanceRecordM.get(i).put("maintenanceYear0","2021-08-10");
listMaintenanceRecordM.get(i).put("maintenancePlan0","计划是什么0："+String.valueOf(i));
listMaintenanceRecordM.get(i).put("maintenanceYear1","2021-08-11");
listMaintenanceRecordM.get(i).put("maintenancePlan1","计划是什么1："+String.valueOf(i));
listMaintenanceRecordM.get(i).put("maintenanceYear2","2021-08-12");
listMaintenanceRecordM.get(i).put("maintenancePlan2","计划是什么2："+String.valueOf(i));
// listMaintenanceRecordName.add(new MaintenanceRecordName());
// listMaintenanceRecordName.get(i).setMaintenancePlan0("2021-08-11");
// listMaintenanceRecordName.get(i).setMaintenanceYear0("计划是什么:"+String.valueOf(i));
}
valueXbx.put("highwayRouteNumber", "");//路线编号
valueXbx.put("startingPositionMileage", "");//起始桩号
valueXbx.put("endingPositionMileage", "");//终止桩号
valueXbx.put("laneDirection", "");//行车方向
valueXbx.put("lanePosition", "");//车道位置
valueXbx.put("trafficLoadLevel", "");//交通荷载等级
valueXbx.put("constructionYear", "");//修建年度
valueXbx.put("pavementStructure", "");//结构形式
valueXbx.put("roadAge", "");//路龄（年）
valueXbx.put("maintenanceYear", "");//养护年度
valueXbx.put("maintenancePlan", "");//养护方案
valueXbx.put("aadtt", "");//交通荷载 AADTT
valueXbx.put("pqi", "");//pqi
valueXbx.put("pci", "");//pci
valueXbx.put("rqi", "");//rqi
valueXbx.put("rdi", "");//rdi
valueXbx.put("pssi", "");//pssi
valueXbx.put("pssi", "");//弯沉
valueXbx.put("pwi", "");//pwi
valueXbx.put("sri", "");//sri
valueXbx.put("pbi", "");//pbi
valueXbx.put("listMaintenanceRecordM",listMaintenanceRecordM);
TemplateExportParams params = new TemplateExportParams(
"doc/xbx.xlsx");
params.setColForEach(true);
Workbook book = ExcelExportUtil.exportExcel(params, valueXbx);
int listMaintenanceRecordMStartRow=3;
CellRangeAddress regionMaintenanceRecord = new CellRangeAddress(listMaintenanceRecordMStartRow, listMaintenanceRecordMStartRow+listMaintenanceRecordM.size()-1, 0, 2);
book.getSheetAt(0).addMergedRegion(regionMaintenanceRecord);
//PoiMergeCellUtil.mergeCells(book.getSheetAt(0), 1, 0,1);
FileOutputStream fos = new FileOutputStream("D:/home/excel/xbx.xlsx");
book.write(fos);
fos.close();
} 2.反编译 cn.afterturn.easypoi.excel.ExcelExportUtil
反编译后无需修改代码，但是需要引用反编译修改后的ExcelExportOfTemplateUtil.java
3.反编译 cn.afterturn.easypoi.excel.export.template.ExcelExportOfTemplateUtil
package com.ruoyi.framework.esaypoi.excel.export.template;
/**
* @version v1.0
* @ProjectName: road
* @ClassName: ExcelExportOfTemplateUtil
* @Description: //解决row循环中，row元素中包含list并且合并单元格时，报空的错误
* @Author: xbx
* @Date: 2022/3/4 10:56
*/
//
// Source code recreated from a .class file by IntelliJ IDEA
// (powered by Fernflower decompiler)
//
//
// Source code recreated from a .class file by IntelliJ IDEA
// (powered by Fernflower decompiler)
//
import cn.afterturn.easypoi.cache.ExcelCache;
import cn.afterturn.easypoi.entity.ImageEntity;
import cn.afterturn.easypoi.excel.annotation.ExcelEntity;
import cn.afterturn.easypoi.excel.annotation.ExcelTarget;
import cn.afterturn.easypoi.excel.entity.TemplateExportParams;
import cn.afterturn.easypoi.excel.entity.TemplateSumEntity;
import cn.afterturn.easypoi.excel.entity.enmus.ExcelType;
import cn.afterturn.easypoi.excel.entity.params.ExcelExportEntity;
import cn.afterturn.easypoi.excel.entity.params.ExcelForEachParams;
import cn.afterturn.easypoi.excel.export.base.BaseExportService;
import cn.afterturn.easypoi.excel.export.styler.IExcelExportStyler;
import cn.afterturn.easypoi.excel.export.template.TemplateSumHandler;
import cn.afterturn.easypoi.excel.html.helper.MergedRegionHelper;
import cn.afterturn.easypoi.exception.excel.ExcelExportException;
import cn.afterturn.easypoi.exception.excel.enums.ExcelExportEnum;
import cn.afterturn.easypoi.util.PoiCellUtil;
import cn.afterturn.easypoi.util.PoiElUtil;
import cn.afterturn.easypoi.util.PoiExcelGraphDataUtil;
import cn.afterturn.easypoi.util.PoiExcelTempUtil;
import cn.afterturn.easypoi.util.PoiMergeCellUtil;
import cn.afterturn.easypoi.util.PoiPublicUtil;
import cn.afterturn.easypoi.util.PoiSheetUtil;
import java.lang.reflect.Field;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.Collections;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.Stack;
import java.util.UUID;
import com.ruoyi.framework.esaypoi.util.Sd3eUtil;
import org.apache.commons.lang3.StringUtils;
import org.apache.poi.ss.usermodel.Cell;
import org.apache.poi.ss.usermodel.CellStyle;
import org.apache.poi.ss.usermodel.CellType;
import org.apache.poi.ss.usermodel.Drawing;
import org.apache.poi.ss.usermodel.Row;
import org.apache.poi.ss.usermodel.Sheet;
import org.apache.poi.ss.usermodel.Workbook;
import org.apache.poi.ss.util.CellRangeAddress;
import org.apache.poi.xssf.usermodel.XSSFWorkbook;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public final class ExcelExportOfTemplateUtil extends BaseExportService {
private static final Logger LOGGER = LoggerFactory.getLogger(cn.afterturn.easypoi.excel.export.template.ExcelExportOfTemplateUtil.class);
private Set tempCreateCellSet = new HashSet();
private TemplateExportParams templateParams;
private MergedRegionHelper mergedRegionHelper;
private cn.afterturn.easypoi.excel.export.template.TemplateSumHandler templateSumHandler;
public ExcelExportOfTemplateUtil() {
}
private void addDataToSheet(Class pojoClass, Collection dataSet, Sheet sheet, Workbook workbook) throws Exception {
Map titlemap = this.getTitleMap(sheet);
Drawing patriarch = PoiExcelGraphDataUtil.getDrawingPatriarch(sheet);
Field[] fileds = PoiPublicUtil.getClassFields(pojoClass);
ExcelTarget etarget = (ExcelTarget)pojoClass.getAnnotation(ExcelTarget.class);
String targetId = null;
if (etarget != null) {
targetId = etarget.value();
}
List excelParams = new ArrayList();
this.getAllExcelField((String[])null, targetId, fileds, excelParams, pojoClass, (List)null, (ExcelEntity)null);
this.sortAndFilterExportField(excelParams, titlemap);
short rowHeight = this.getRowHeight(excelParams);
int index = this.templateParams.getHeadingRows() + this.templateParams.getHeadingStartRow();
int shiftRows = this.getShiftRows(dataSet, excelParams);
sheet.shiftRows(this.templateParams.getHeadingRows() + this.templateParams.getHeadingStartRow(), sheet.getLastRowNum(), shiftRows, true, true);
this.mergedRegionHelper.shiftRows(sheet, this.templateParams.getHeadingRows() + this.templateParams.getHeadingStartRow(), shiftRows, sheet.getLastRowNum() - this.templateParams.getHeadingRows() - this.templateParams.getHeadingStartRow());
this.templateSumHandler.shiftRows(this.templateParams.getHeadingRows() + this.templateParams.getHeadingStartRow(), shiftRows);
PoiExcelTempUtil.reset(sheet, this.templateParams.getHeadingRows() + this.templateParams.getHeadingStartRow(), sheet.getLastRowNum());
if (excelParams.size() != 0) {
Object t;
for(Iterator its = dataSet.iterator(); its.hasNext(); index += this.createCells(patriarch, index, t, excelParams, sheet, workbook, rowHeight, 0)[0]) {
t = its.next();
}
this.mergeCells(sheet, excelParams, index);
}
}
/**
* @Author: 徐本锡
* @Date: 2022/3/7 16:58
* @param: [cell, map, name]
* @return: void
* @description: 修改源码 ：list循环遍历的时候 存在合并单元格情况 导致格式错乱
*/
private void addListDataToExcel(Cell cell, Map map, String name) throws Exception {
// 每次利用foreach循环输出数据时，重新处理 mergedRegionHelper
// 原因：如果存在多个循环，前面循环时，下面的模板指令所在单元格的行号会发生变化，此时 mergedRegionHelper 中的缓存没有发生相应变化，需要重新获取一下 mergedRegionHelper
mergedRegionHelper = new MergedRegionHelper(cell.getSheet());
boolean isCreate = !name.contains("!fe:");
boolean isShift = name.contains("$fe:");
name = name.replace("!fe:", "").replace("$fe:", "").replace("fe:", "").replace("{{", "");
String[] keys = name.replaceAll("\\s{1,}", " ").trim().split(" ");
Collection datas = (Collection)PoiPublicUtil.getParamsValue(keys[0], map);
if (datas != null) {
Object[] columnsInfo = this.getAllDataColumns(cell, name.replace(keys[0], ""), mergedRegionHelper);
Iterator its = datas.iterator();
int rowspan = (Integer)columnsInfo[0];
int colspan = (Integer)columnsInfo[1];
List columns = (List)columnsInfo[2];
Row row = null;
int rowIndex = cell.getRow().getRowNum() + 1;
ExcelForEachParams indexColumn = this.getIndexColumn(columns);
Object t;
int loopSize;
// 定义循环开始行号
int startRowNum = cell.getRow().getRowNum();
// 处理当前行
if (its.hasNext()) {
t = its.next();
this.setForeachRowCellValue(isCreate, cell.getRow(), cell.getColumnIndex(), t, columns, map, rowspan, colspan, mergedRegionHelper,startRowNum);
rowIndex += rowspan - 1;
}
// if (its.hasNext()) {
// t = its.next();
// loopSize = this.setForeachRowCellValue(isCreate, cell.getRow(), cell.getColumnIndex(), t, columns, map, rowspan, colspan, this.mergedRegionHelper,startRowNum)[0];
// rowIndex += rowspan - 1 + loopSize - 1;
// }
if (isShift && datas.size() * rowspan > 1 && cell.getRowIndex() + rowspan <= cell.getRow().getSheet().getLastRowNum()) {
int lastRowNum = cell.getRow().getSheet().getLastRowNum();
int shiftRows = lastRowNum - cell.getRowIndex() - rowspan;
cell.getRow().getSheet().shiftRows(cell.getRowIndex() + rowspan, lastRowNum, (datas.size() - 1) * rowspan, true, true);
mergedRegionHelper.shiftRows(cell.getSheet(), cell.getRowIndex() + rowspan, (datas.size() - 1) * rowspan, shiftRows);
this.templateSumHandler.shiftRows(cell.getRowIndex() + rowspan, (datas.size() - 1) * rowspan);
PoiExcelTempUtil.reset(cell.getSheet(), cell.getRowIndex() + rowspan + (datas.size() - 1) * rowspan, cell.getRow().getSheet().getLastRowNum());
}
// 定义循环结束行号
int endRowNum = 0;
// // 创建行
while (its.hasNext()) {
t = its.next();
row = createRow(rowIndex, cell.getSheet(), isCreate, rowspan);
this.setForeachRowCellValue(isCreate, row, cell.getColumnIndex(), t, columns, map, rowspan,
colspan, mergedRegionHelper,startRowNum);
rowIndex += rowspan;
// 每次创建行后，重新给循环结束行号赋值
endRowNum = row.getRowNum();
}
// 如果新创建行了
// 合并循环左侧竖向单元格
if (endRowNum != 0){
Sheet sheet = cell.getRow().getSheet();
int sheetMergeCount = sheet.getNumMergedRegions();
int columnIndex = cell.getColumnIndex();
for(int i = 0; i < sheetMergeCount; ++i) {
CellRangeAddress ca = sheet.getMergedRegion(i);
//int firstColumn = ca.getFirstColumn();
int lastColumn = ca.getLastColumn();
int firstRow = ca.getFirstRow();
int lastRow = ca.getLastRow();
for (int ii = 0;ii < columnIndex;ii++){
if (firstRow <= startRowNum && lastRow > startRowNum && lastColumn == ii){
ca.setLastRow(lastRow + (endRowNum - startRowNum));
}
}
}
}
// while(its.hasNext()) {
// t = its.next();
// row = this.createRow(rowIndex, cell.getSheet(), isCreate, rowspan);
// indexColumn.addConstValue(1);
// loopSize = this.setForeachRowCellValue(isCreate, row, cell.getColumnIndex(), t, columns, map, rowspan, colspan, this.mergedRegionHelper,startRowNum)[0];
// rowIndex += rowspan + loopSize - 1;
// }
}
}
private ExcelForEachParams getIndexColumn(List columns) {
for(int i = 0; i < columns.size(); ++i) {
if (columns.get(i) != null && "&INDEX&".equals(((ExcelForEachParams)columns.get(i)).getConstValue())) {
((ExcelForEachParams)columns.get(i)).setConstValue("1");
return (ExcelForEachParams)columns.get(i);
}
}
return new ExcelForEachParams();
}
private int getShiftRows(Collection dataSet, List excelParams) throws Exception {
int size = 0;
Object t;
for(Iterator its = dataSet.iterator(); its.hasNext(); size += this.getOneObjectSize(t, excelParams)) {
t = its.next();
}
return size;
}
private int getOneObjectSize(Object t, List excelParams) throws Exception {
int maxHeight = 1;
int k = 0;
for(int paramSize = excelParams.size(); k < paramSize; ++k) {
ExcelExportEntity entity = (ExcelExportEntity)excelParams.get(k);
if (entity.getList() != null) {
Collection list = (Collection)entity.getMethod().invoke(t);
if (list != null && list.size() > maxHeight) {
maxHeight = list.size();
}
}
}
return maxHeight;
}
public Workbook createExcelCloneByTemplate(TemplateExportParams params, Map>> map) {
if (params != null && map != null && !StringUtils.isEmpty(params.getTemplateUrl())) {
Workbook wb = null;
try {
this.templateParams = params;
wb = ExcelCache.getWorkbook(this.templateParams.getTemplateUrl(), this.templateParams.getSheetNum(), true);
int oldSheetNum = wb.getNumberOfSheets();
List oldSheetName = new ArrayList();
for(int i = 0; i < oldSheetNum; ++i) {
oldSheetName.add(wb.getSheetName(i));
}
List sheetNumList = new ArrayList();
sheetNumList.addAll(map.keySet());
Collections.sort(sheetNumList);
Iterator var8 = sheetNumList.iterator();
List mapList;
while(var8.hasNext()) {
Integer sheetNum = (Integer)var8.next();
mapList = (List)map.get(sheetNum);
for(int i = mapList.size(); i > 0; --i) {
wb.cloneSheet(sheetNum);
}
}
int sheetIndex;
for(sheetIndex = 0; sheetIndex < oldSheetName.size(); ++sheetIndex) {
wb.removeSheetAt(wb.getSheetIndex((String)oldSheetName.get(sheetIndex)));
}
this.setExcelExportStyler((IExcelExportStyler)this.templateParams.getStyle().getConstructor(Workbook.class).newInstance(wb));
sheetIndex = 0;
Iterator var15 = sheetNumList.iterator();
while(var15.hasNext()) {
Integer sheetNum = (Integer)var15.next();
mapList = (List)map.get(sheetNum);
for(int i = mapList.size() - 1; i >= 0; --i) {
this.tempCreateCellSet.clear();
if (((Map)mapList.get(i)).containsKey("sheetName")) {
wb.setSheetName(sheetIndex, ((Map)mapList.get(i)).get("sheetName").toString());
}
this.parseTemplate(wb.getSheetAt(sheetIndex), (Map)mapList.get(i), params.isColForEach());
if (params.isReadonly()) {
wb.getSheetAt(i).protectSheet(UUID.randomUUID().toString());
}
++sheetIndex;
}
}
return wb;
} catch (Exception var12) {
LOGGER.error(var12.getMessage(), var12);
return null;
}
} else {
throw new ExcelExportException(ExcelExportEnum.PARAMETER_ERROR);
}
}
public Workbook createExcelByTemplate(TemplateExportParams params, Map> map) {
if (params != null && map != null && !StringUtils.isEmpty(params.getTemplateUrl())) {
Workbook wb = null;
try {
this.templateParams = params;
wb = this.getCloneWorkBook();
this.setExcelExportStyler((IExcelExportStyler)this.templateParams.getStyle().getConstructor(Workbook.class).newInstance(wb));
int i = 0;
for(int le = params.isScanAllsheet() ? wb.getNumberOfSheets() : params.getSheetNum().length; i < le; ++i) {
if (params.getSheetName() != null && params.getSheetName().length > i && StringUtils.isNotEmpty(params.getSheetName()[i])) {
wb.setSheetName(i, params.getSheetName()[i]);
}
this.tempCreateCellSet.clear();
this.parseTemplate(wb.getSheetAt(i), (Map)map.get(i), params.isColForEach());
if (params.isReadonly()) {
wb.getSheetAt(i).protectSheet(UUID.randomUUID().toString());
}
}
return wb;
} catch (Exception var6) {
LOGGER.error(var6.getMessage(), var6);
return null;
}
} else {
throw new ExcelExportException(ExcelExportEnum.PARAMETER_ERROR);
}
}
public Workbook createExcelByTemplate(TemplateExportParams params, Class pojoClass, Collection dataSet, Map map) {
if (params != null && map != null && (!StringUtils.isEmpty(params.getTemplateUrl()) || params.getTemplateWb() != null)) {
Workbook wb = null;
try {
this.templateParams = params;
if (params.getTemplateWb() != null) {
wb = params.getTemplateWb();
} else {
wb = this.getCloneWorkBook();
}
if (params.getDictHandler() != null) {
this.dictHandler = params.getDictHandler();
}
if (params.getI18nHandler() != null) {
this.i18nHandler = params.getI18nHandler();
}
this.setExcelExportStyler((IExcelExportStyler)this.templateParams.getStyle().getConstructor(Workbook.class).newInstance(wb));
int i = 0;
for(int le = params.isScanAllsheet() ? wb.getNumberOfSheets() : params.getSheetNum().length; i < le; ++i) {
if (params.getSheetName() != null && params.getSheetName().length > i && StringUtils.isNotEmpty(params.getSheetName()[i])) {
wb.setSheetName(i, params.getSheetName()[i]);
}
this.tempCreateCellSet.clear();
this.parseTemplate(wb.getSheetAt(i), map, params.isColForEach());
if (params.isReadonly()) {
wb.getSheetAt(i).protectSheet(UUID.randomUUID().toString());
}
}
if (dataSet != null) {
this.dataHandler = params.getDataHandler();
if (this.dataHandler != null) {
this.needHandlerList = Arrays.asList(this.dataHandler.getNeedHandlerFields());
}
this.addDataToSheet(pojoClass, dataSet, wb.getSheetAt(params.getDataSheetNum()), wb);
}
return wb;
} catch (Exception var8) {
LOGGER.error(var8.getMessage(), var8);
return null;
}
} else {
throw new ExcelExportException(ExcelExportEnum.PARAMETER_ERROR);
}
}
private Workbook getCloneWorkBook() throws Exception {
return ExcelCache.getWorkbook(this.templateParams.getTemplateUrl(), this.templateParams.getSheetNum(), this.templateParams.isScanAllsheet());
}
private Map getTitleMap(Sheet sheet) {
Row row = null;
Map titlemap = new HashMap();
for(int j = 0; j < this.templateParams.getHeadingRows(); ++j) {
row = sheet.getRow(j + this.templateParams.getHeadingStartRow());
Iterator cellTitle = row.cellIterator();
for(int i = row.getFirstCellNum(); cellTitle.hasNext(); ++i) {
Cell cell = (Cell)cellTitle.next();
String value = cell.getStringCellValue();
if (!StringUtils.isEmpty(value)) {
titlemap.put(value, i);
}
}
}
return titlemap;
}
private void parseTemplate(Sheet sheet, Map map, boolean colForeach) throws Exception {
if (sheet.getWorkbook() instanceof XSSFWorkbook) {
super.type = ExcelType.XSSF;
}
this.deleteCell(sheet, map);
this.mergedRegionHelper = new MergedRegionHelper(sheet);
this.templateSumHandler = new TemplateSumHandler(sheet);
if (colForeach) {
this.colForeach(sheet, map);
}
Row row = null;
int index = 0;
while(true) {
do {
if (index > sheet.getLastRowNum()) {
this.handlerSumCell(sheet);
return;
}
row = sheet.getRow(index++);
} while(row == null);
for(int i = row.getFirstCellNum(); i < row.getLastCellNum(); ++i) {
if (row.getCell(i) != null && !this.tempCreateCellSet.contains(row.getRowNum() + "_" + row.getCell(i).getColumnIndex())) {
this.setValueForCellByMap(row.getCell(i), map);
}
}
}
}
private void handlerSumCell(Sheet sheet) {
Iterator var2 = this.templateSumHandler.getDataList().iterator();
while(var2.hasNext()) {
TemplateSumEntity sumEntity = (TemplateSumEntity)var2.next();
Cell cell = sheet.getRow(sumEntity.getRow()).getCell(sumEntity.getCol());
if (cell.getStringCellValue().contains(sumEntity.getSumKey())) {
cell.setCellValue(cell.getStringCellValue().replace("sum:(" + sumEntity.getSumKey() + ")", sumEntity.getValue() + ""));
} else {
cell.setCellValue(cell.getStringCellValue() + sumEntity.getValue());
}
}
}
private void colForeach(Sheet sheet, Map map) throws Exception {
Row row = null;
Cell cell = null;
int index = 0;
while(true) {
do {
if (index > sheet.getLastRowNum()) {
return;
}
row = sheet.getRow(index++);
} while(row == null);
for(int i = row.getFirstCellNum(); i < row.getLastCellNum(); ++i) {
cell = row.getCell(i);
if (row.getCell(i) != null && (cell.getCellType() == CellType.STRING || cell.getCellType() == CellType.NUMERIC)) {
String text = PoiCellUtil.getCellValue(cell);
if (text.contains("#fe:") || text.contains("v_fe:")) {
this.foreachCol(cell, map, text);
}
}
}
}
}
private void foreachCol(Cell cell, Map map, String name) throws Exception {
boolean isCreate = name.contains("v_fe:");
name = name.replace("v_fe:", "").replace("#fe:", "").replace("{{", "");
String[] keys = name.replaceAll("\\s{1,}", " ").trim().split(" ");
Collection datas = (Collection)PoiPublicUtil.getParamsValue(keys[0], map);
Object[] columnsInfo = this.getAllDataColumns(cell, name.replace(keys[0], ""), this.mergedRegionHelper);
if (datas != null) {
Iterator its = datas.iterator();
int rowspan = (Integer)columnsInfo[0];
int colspan = (Integer)columnsInfo[1];
for(List columns = (List)columnsInfo[2]; its.hasNext(); cell = cell.getRow().getCell(cell.getColumnIndex() + colspan)) {
// 定义循环开始行号
int startRowNum = cell.getRow().getRowNum();
Object t = its.next();
this.setForeachRowCellValue(true, cell.getRow(), cell.getColumnIndex(), t, columns, map, rowspan, colspan, this.mergedRegionHelper,startRowNum);
if (cell.getRow().getCell(cell.getColumnIndex() + colspan) == null) {
cell.getRow().createCell(cell.getColumnIndex() + colspan);
}
}
if (isCreate) {
cell = cell.getRow().getCell(cell.getColumnIndex() - 1);
cell.setCellValue(cell.getStringCellValue() + "}}");
}
}
}
private void deleteCell(Sheet sheet, Map map) throws Exception {
Row row = null;
Cell cell = null;
int index = 0;
while(true) {
do {
if (index > sheet.getLastRowNum()) {
return;
}
row = sheet.getRow(index++);
} while(row == null);
for(int i = row.getFirstCellNum(); i < row.getLastCellNum(); ++i) {
cell = row.getCell(i);
if (row.getCell(i) != null && (cell.getCellType() == CellType.STRING || cell.getCellType() == CellType.NUMERIC)) {
cell.setCellType(CellType.STRING);
String text = cell.getStringCellValue();
if (text.contains("!if:")) {
if (Boolean.valueOf(PoiElUtil.eval(text.substring(text.indexOf("{{") + 2, text.indexOf("}}")).trim(), map).toString())) {
PoiSheetUtil.deleteColumn(sheet, i);
--i;
}
cell.setCellValue("");
}
}
}
}
}
private void setValueForCellByMap(Cell cell, Map map) throws Exception {
CellType cellType = cell.getCellType();
if (cellType == CellType.STRING || cellType == CellType.NUMERIC) {
String oldString = cell.getStringCellValue();
if (oldString != null && oldString.indexOf("{{") != -1 && !oldString.contains("fe:")) {
boolean isNumber = false;
if (this.isHasSymbol(oldString, "n:")) {
isNumber = true;
oldString = oldString.replaceFirst("n:", "");
}
boolean isStyleBySelf = false;
if (this.isHasSymbol(oldString, "sy:")) {
isStyleBySelf = true;
oldString = oldString.replaceFirst("sy:", "");
}
boolean isDict = false;
String dict = null;
if (this.isHasSymbol(oldString, "dict:")) {
isDict = true;
dict = oldString.substring(oldString.indexOf("dict:") + 5).split(";")[0];
oldString = oldString.replaceFirst("dict:", "");
}
boolean isI18n = false;
if (this.isHasSymbol(oldString, "i18n:")) {
isI18n = true;
oldString = oldString.replaceFirst("i18n:", "");
}
if (this.isHasSymbol(oldString, "merge:")) {
String mergeStr = PoiPublicUtil.getElStr(oldString, "merge:");
oldString = oldString.replace(mergeStr, "");
mergeStr = mergeStr.replaceFirst("merge:", "");
try {
int colSpan = (int)Double.parseDouble(PoiPublicUtil.getRealValue(mergeStr, map).toString());
PoiMergeCellUtil.addMergedRegion(cell.getSheet(), cell.getRowIndex(), cell.getRowIndex(), cell.getColumnIndex(), cell.getColumnIndex() + colSpan - 1);
} catch (Exception var12) {
LOGGER.error(var12.getMessage(), var12);
}
}
Object obj = PoiPublicUtil.getRealValue(oldString, map);
if (isDict) {
obj = this.dictHandler.toName(dict, (Object)null, oldString, obj);
}
if (isI18n) {
obj = this.i18nHandler.getLocaleName(obj.toString());
}
if (obj instanceof ImageEntity) {
ImageEntity img = (ImageEntity)obj;
cell.setCellValue("");
if (img.getRowspan() > 1 || img.getColspan() > 1) {
img.setHeight(0);
PoiMergeCellUtil.addMergedRegion(cell.getSheet(), cell.getRowIndex(), cell.getRowIndex() + img.getRowspan() - 1, cell.getColumnIndex(), cell.getColumnIndex() + img.getColspan() - 1);
}
this.createImageCell(cell, (double)img.getHeight(), img.getRowspan(), img.getColspan(), img.getUrl(), img.getData());
} else if (isNumber && StringUtils.isNotBlank(obj.toString())) {
cell.setCellValue(Double.parseDouble(obj.toString()));
} else {
cell.setCellValue(obj.toString());
}
}
if (oldString != null && oldString.contains("fe:")) {
this.addListDataToExcel(cell, map, oldString.trim());
}
}
}
private boolean isHasSymbol(String text, String symbol) {
return text.startsWith(symbol) || text.contains("{" + symbol) || text.contains(" " + symbol);
}
private Row createRow(int rowIndex, Sheet sheet, boolean isCreate, int rows) {
for(int i = 0; i < rows; ++i) {
if (isCreate) {
sheet.createRow(rowIndex++);
} else if (sheet.getRow(rowIndex++) == null) {
sheet.createRow(rowIndex - 1);
}
}
return sheet.getRow(rowIndex - rows);
}
/**
* @Author: 徐本锡
* @Date: 2022/3/7 16:59
* @param: [isCreate, row, columnIndex, t, columns, map, rowspan, colspan, mergedRegionHelper, startRowNum]
* @return: int[]
* @description: 修改源码 ：list循环遍历的时候 存在合并单元格情况 导致格式错乱
*/
private int[] setForeachRowCellValue(boolean isCreate, Row row, int columnIndex, Object t, List columns, Map map, int rowspan, int colspan, MergedRegionHelper mergedRegionHelper,int startRowNum) throws Exception {
this.createRowCellSetStyle(row, columnIndex, columns, rowspan, colspan);
int loopSize = 1;
int loopCi = 1;
row = row.getSheet().getRow(row.getRowNum() - rowspan + 1);
for(int k = 0; k < rowspan; ++k) {
int ci = columnIndex;
row.setHeight(this.getMaxHeight(k, colspan, columns));
for(int i = 0; i < colspan && i < columns.size(); ++i) {
boolean isNumber = false;
ExcelForEachParams params = (ExcelForEachParams)columns.get(colspan * k + i);
this.tempCreateCellSet.add(row.getRowNum() + "_" + ci);
if (params != null) {
if (StringUtils.isEmpty(params.getName()) && StringUtils.isEmpty(params.getConstValue())) {
row.getCell(ci).setCellStyle(params.getCellStyle());
ci += params.getColspan();
} else {
Object obj = null;
String tempStr = params.getName();
String val;
boolean isNeedMerge;
if (StringUtils.isEmpty(params.getName())) {
val = params.getConstValue();
} else {
if (this.isHasSymbol(tempStr, "n:")) {
isNumber = true;
tempStr = tempStr.replaceFirst("n:", "");
}
map.put(this.templateParams.getTempParams(), t);
isNeedMerge = false;
String dict = null;
if (this.isHasSymbol(tempStr, "dict:")) {
isNeedMerge = true;
dict = tempStr.substring(tempStr.indexOf("dict:") + 5).split(";")[0];
tempStr = tempStr.replaceFirst("dict:", "");
tempStr = tempStr.replaceFirst(dict + ";", "");
}
obj = PoiElUtil.eval(tempStr, map);
if (isNeedMerge && !(obj instanceof Collection)) {
obj = this.dictHandler.toName(dict, t, tempStr, obj);
}
val = obj.toString();
}
if (obj != null && obj instanceof Collection) {
String collectName = PoiElUtil.evalFindName(tempStr, map);
int[] loop = this.setForEachLoopRowCellValue(row, ci, (Collection)obj, columns, params, map, rowspan, colspan, mergedRegionHelper, collectName);
loopSize = Math.max(loopSize, loop[0]);
i += loop[1] - 1;
ci = loop[2] - params.getColspan();
} else if (obj != null && obj instanceof ImageEntity) {
ImageEntity img = (ImageEntity)obj;
row.getCell(ci).setCellValue("");
if (img.getRowspan() > 1 || img.getColspan() > 1) {
img.setHeight(0);
row.getCell(ci).getSheet().addMergedRegion(new CellRangeAddress(row.getCell(ci).getRowIndex(), row.getCell(ci).getRowIndex() + img.getRowspan() - 1, row.getCell(ci).getColumnIndex(), row.getCell(ci).getColumnIndex() + img.getColspan() - 1));
}
this.createImageCell(row.getCell(ci), (double)img.getHeight(), img.getRowspan(), img.getColspan(), img.getUrl(), img.getData());
} else if (isNumber && StringUtils.isNotEmpty(val)) {
row.getCell(ci).setCellValue(Double.parseDouble(val));
} else {
try {
row.getCell(ci).setCellValue(val);
} catch (Exception var22) {
LOGGER.error(var22.getMessage(), var22);
}
}
if (params.getCellStyle() != null) {
row.getCell(ci).setCellStyle(params.getCellStyle());
}
if (params.isNeedSum()) {
this.templateSumHandler.addValueOfKey(params.getName(), val);
}
this.setMergedRegionStyle(row, ci, params);
// isNeedMerge = (params.getRowspan() != 1 || params.getColspan() != 1) && !mergedRegionHelper.isMergedRegion(row.getRowNum() + 1, ci);
// if (isNeedMerge) {
// PoiMergeCellUtil.addMergedRegion(row.getSheet(), row.getRowNum(), row.getRowNum() + params.getRowspan() - 1, ci, ci + params.getColspan() - 1);
// }
//合并对应单元格
// 存在合并单元格时，这个判断出问题了，需要注释
//&& !mergedRegionHelper.isMergedRegion(row.getRowNum() + 1, ci)
// 将第二个参数改为：循环开始行号
// 原因：这个方法原先是判断当前行这一列，是否需要合并单元格
// 如果是新创建的行，这个方法恒定返回 false ，判断出现问题
// 所以需要改为：判断循环开始行这一列，是否需要合并单元格
isNeedMerge = (params.getRowspan() != 1 || params.getColspan() != 1) && PoiCellUtil.isMergedRegion(row.getSheet(), startRowNum, ci);
if (isNeedMerge) {
Sd3eUtil.addMergedRegionByListForEach(row.getSheet(), row.getRowNum(), row.getRowNum() + params.getRowspan() - 1, ci, ci + params.getColspan() - 1);
}
if (params.getRowspan() == 1 && params.getColspan() == 1) {
row.getCell(ci).getSheet().setColumnWidth(row.getCell(ci).getColumnIndex(), params.getWidth());
}
ci += params.getColspan();
}
}
}
loopCi = Math.max(loopCi, ci);
if (loopSize > 1) {
this.handlerLoopMergedRegion(row, columnIndex, columns, loopSize);
}
row = row.getSheet().getRow(row.getRowNum() + 1);
}
return new int[]{loopSize, loopCi};
}
private void handlerLoopMergedRegion(Row row, int columnIndex, List columns, int loopSize) {
for(int i = 0; i < columns.size(); ++i) {
if (!((ExcelForEachParams)columns.get(i)).isCollectCell()) {
PoiMergeCellUtil.addMergedRegion(row.getSheet(), row.getRowNum(), row.getRowNum() + loopSize - 1, columnIndex, columnIndex + ((ExcelForEachParams)columns.get(i)).getColspan() - 1);
}
columnIndex += ((ExcelForEachParams)columns.get(i)).getColspan();
}
}
private short getMaxHeight(int k, int colspan, List columns) {
short high = ((ExcelForEachParams)columns.get(0)).getHeight();
for(int n = k; n > 0; --n) {
if (((ExcelForEachParams)columns.get(n * colspan)).getHeight() != 0) {
high = ((ExcelForEachParams)columns.get(n * colspan)).getHeight();
break;
}
}
return high;
}
private int[] setForEachLoopRowCellValue(Row row, int columnIndex, Collection obj, List columns, ExcelForEachParams params, Map map, int rowspan, int colspan, MergedRegionHelper mergedRegionHelper, String collectName) throws Exception {
List temp = this.getLoopEachParams(columns, columnIndex, collectName);
Iterator its = obj.iterator();
Row tempRow = row;
int nums = 0;
int ci;
int[] loopArr;
for(ci = columnIndex; its.hasNext(); tempRow = this.createRow(tempRow.getRowNum() + loopArr[0], row.getSheet(), false, rowspan)) {
// 定义循环开始行号
int startRowNum = tempRow.getRowNum();
Object data = its.next();
map.put("loop_" + columnIndex, data);
loopArr = this.setForeachRowCellValue(false, tempRow, columnIndex, data, temp, map, rowspan, colspan, mergedRegionHelper, startRowNum);
nums += loopArr[0];
ci = Math.max(ci, loopArr[1]);
map.remove("loop_" + columnIndex);
}
for(int i = 0; i < temp.size(); ++i) {
((ExcelForEachParams)temp.get(i)).setName((String)((ExcelForEachParams)temp.get(i)).getTempName().pop());
((ExcelForEachParams)temp.get(i)).setCollectCell(true);
}
return new int[]{nums, temp.size(), ci};
}
/**
* @Author: 徐本锡
* @Date: 2022/3/7 17:04
* @param: [columns, columnIndex, collectName]
* @return: java.util.List
* @description: 修改：解决一对多 row循环中，row元素中包含list并且合并单元格时，报空的错误
*/
private List getLoopEachParams(List columns, int columnIndex, String collectName) {
List temp = new ArrayList();
for(int i = 0; i < columns.size(); ++i) {
//解决row循环中，row元素中包含list并且合并单元格时，报空的错误
if (columns.get(i)==null){
continue;
}
((ExcelForEachParams)columns.get(i)).setCollectCell(false);
if (columns.get(i) == null || ((ExcelForEachParams)columns.get(i)).getName().contains(collectName)) {
temp.add(columns.get(i));
if (((ExcelForEachParams)columns.get(i)).getTempName() == null) {
((ExcelForEachParams)columns.get(i)).setTempName(new Stack());
}
((ExcelForEachParams)columns.get(i)).setCollectCell(true);
((ExcelForEachParams)columns.get(i)).getTempName().push(((ExcelForEachParams)columns.get(i)).getName());
((ExcelForEachParams)columns.get(i)).setName(((ExcelForEachParams)columns.get(i)).getName().replace(collectName, "loop_" + columnIndex));
}
}
return temp;
}
private void createRowCellSetStyle(Row row, int columnIndex, List columns, int rowspan, int colspan) {
for(int i = 0; i < rowspan; ++i) {
int size = columns.size();
int j = columnIndex;
for(int max = columnIndex + colspan; j < max; ++j) {
if (row.getCell(j) == null) {
row.createCell(j);
CellStyle style = row.getRowNum() % 2 == 0 ? this.getStyles(false, size <= j - columnIndex ? null : (ExcelForEachParams)columns.get(j - columnIndex)) : this.getStyles(true, size <= j - columnIndex ? null : (ExcelForEachParams)columns.get(j - columnIndex));
if (style != null) {
row.getCell(j).setCellStyle(style);
}
}
}
if (i < rowspan - 1) {
row = row.getSheet().getRow(row.getRowNum() + 1);
}
}
}
private CellStyle getStyles(boolean isSingle, ExcelForEachParams excelForEachParams) {
return this.excelExportStyler.getTemplateStyles(isSingle, excelForEachParams);
}
private void setMergedRegionStyle(Row row, int ci, ExcelForEachParams params) {
int i;
for(i = 1; i < params.getColspan(); ++i) {
if (params.getCellStyle() != null) {
row.getCell(ci + i).setCellStyle(params.getCellStyle());
}
}
for(i = 1; i < params.getRowspan(); ++i) {
for(int j = 0; j < params.getColspan(); ++j) {
if (params.getCellStyle() != null) {
row.getCell(ci + j).setCellStyle(params.getCellStyle());
}
}
}
}
private Object[] getAllDataColumns(Cell cell, String name, MergedRegionHelper mergedRegionHelper) {
List columns = new ArrayList();
cell.setCellValue("");
columns.add(this.getExcelTemplateParams(name.replace("}}", ""), cell, mergedRegionHelper));
int rowspan = 1;
int colspan = 1;
int index;
if (!name.contains("}}")) {
index = cell.getColumnIndex();
int startIndex = cell.getColumnIndex();
Row row = cell.getRow();
label81:
while(true) {
while(true) {
if (index >= row.getLastCellNum()) {
break label81;
}
int colSpan = columns.get(columns.size() - 1) != null ? ((ExcelForEachParams)columns.get(columns.size() - 1)).getColspan() : 1;
index += colSpan;
for(int i = 1; i < colSpan; ++i) {
columns.add(null);
}
cell = row.getCell(index);
if (cell == null) {
columns.add(null);
} else {
String cellStringString;
try {
cellStringString = cell.getStringCellValue();
if (StringUtils.isBlank(cellStringString) && colspan + startIndex <= index) {
throw new ExcelExportException("for each 当中存在空字符串,请检查模板");
}
if (StringUtils.isBlank(cellStringString) && colspan + startIndex > index) {
columns.add(new ExcelForEachParams((String)null, cell.getCellStyle(), (short)0));
continue;
}
} catch (Exception var14) {
throw new ExcelExportException(ExcelExportEnum.TEMPLATE_ERROR, var14);
}
cell.setCellValue("");
if (cellStringString.contains("}}")) {
columns.add(this.getExcelTemplateParams(cellStringString.replace("}}", ""), cell, mergedRegionHelper));
int lastCellColspan = ((ExcelForEachParams)columns.get(columns.size() - 1)).getColspan();
int i = 1;
while(true) {
if (i >= lastCellColspan) {
break label81;
}
columns.add(null);
++i;
}
}
if (cellStringString.contains("]]")) {
columns.add(this.getExcelTemplateParams(cellStringString.replace("]]", ""), cell, mergedRegionHelper));
colspan = index - startIndex + 1;
index = startIndex - ((ExcelForEachParams)columns.get(columns.size() - 1)).getColspan();
row = row.getSheet().getRow(row.getRowNum() + 1);
++rowspan;
} else {
columns.add(this.getExcelTemplateParams(cellStringString.replace("]]", ""), cell, mergedRegionHelper));
}
}
}
}
}
colspan = 0;
for(index = 0; index < columns.size(); ++index) {
colspan += columns.get(index) != null ? ((ExcelForEachParams)columns.get(index)).getColspan() : 0;
}
colspan /= rowspan;
return new Object[]{rowspan, colspan, columns};
}
private ExcelForEachParams getExcelTemplateParams(String name, Cell cell, MergedRegionHelper mergedRegionHelper) {
name = name.trim();
ExcelForEachParams params = new ExcelForEachParams(name, cell.getCellStyle(), cell.getRow().getHeight());
if (name.startsWith("'") && name.endsWith("'")) {
params.setName((String)null);
params.setConstValue(name.substring(1, name.length() - 1));
}
if ("&NULL&".equals(name)) {
params.setName((String)null);
params.setConstValue("");
}
if ("&INDEX&".equals(name)) {
params.setName((String)null);
params.setConstValue("&INDEX&");
}
if (mergedRegionHelper.isMergedRegion(cell.getRowIndex() + 1, cell.getColumnIndex())) {
Integer[] colAndrow = mergedRegionHelper.getRowAndColSpan(cell.getRowIndex() + 1, cell.getColumnIndex());
params.setRowspan(colAndrow[0]);
params.setColspan(colAndrow[1]);
}
params.setNeedSum(this.templateSumHandler.isSumKey(params.getName()));
params.setWidth(cell.getSheet().getColumnWidth(cell.getColumnIndex()));
return params;
}
private void sortAndFilterExportField(List excelParams, Map titlemap) {
for(int i = excelParams.size() - 1; i >= 0; --i) {
if (((ExcelExportEntity)excelParams.get(i)).getList() != null && ((ExcelExportEntity)excelParams.get(i)).getList().size() > 0) {
this.sortAndFilterExportField(((ExcelExportEntity)excelParams.get(i)).getList(), titlemap);
if (((ExcelExportEntity)excelParams.get(i)).getList().size() == 0) {
excelParams.remove(i);
} else {
((ExcelExportEntity)excelParams.get(i)).setOrderNum(i);
}
} else if (titlemap.containsKey(((ExcelExportEntity)excelParams.get(i)).getName())) {
((ExcelExportEntity)excelParams.get(i)).setOrderNum(i);
} else {
excelParams.remove(i);
}
}
this.sortAllParams(excelParams);
}
}
| 4.1.为了方便查看，把修改的方法单独拿出来，修改方法如下：
4.1.1.addListDataToExcel
/**
* @Author: 徐本锡
* @Date: 2022/3/7 16:58
* @param: [cell, map, name]
* @return: void
* @description: 修改源码 ：list循环遍历的时候 存在合并单元格情况 导致格式错乱
*/
private void addListDataToExcel(Cell cell, Map map, String name) throws Exception {
// 每次利用foreach循环输出数据时，重新处理 mergedRegionHelper
// 原因：如果存在多个循环，前面循环时，下面的模板指令所在单元格的行号会发生变化，此时 mergedRegionHelper 中的缓存没有发生相应变化，需要重新获取一下 mergedRegionHelper
mergedRegionHelper = new MergedRegionHelper(cell.getSheet());
boolean isCreate = !name.contains("!fe:");
boolean isShift = name.contains("$fe:");
name = name.replace("!fe:", "").replace("$fe:", "").replace("fe:", "").replace("{{", "");
String[] keys = name.replaceAll("\\s{1,}", " ").trim().split(" ");
Collection datas = (Collection)PoiPublicUtil.getParamsValue(keys[0], map);
if (datas != null) {
Object[] columnsInfo = this.getAllDataColumns(cell, name.replace(keys[0], ""), mergedRegionHelper);
Iterator its = datas.iterator();
int rowspan = (Integer)columnsInfo[0];
int colspan = (Integer)columnsInfo[1];
List columns = (List)columnsInfo[2];
Row row = null;
int rowIndex = cell.getRow().getRowNum() + 1;
ExcelForEachParams indexColumn = this.getIndexColumn(columns);
Object t;
int loopSize;
// 定义循环开始行号
int startRowNum = cell.getRow().getRowNum();
// 处理当前行
if (its.hasNext()) {
t = its.next();
this.setForeachRowCellValue(isCreate, cell.getRow(), cell.getColumnIndex(), t, columns, map, rowspan, colspan, mergedRegionHelper,startRowNum);
rowIndex += rowspan - 1;
}
// if (its.hasNext()) {
// t = its.next();
// loopSize = this.setForeachRowCellValue(isCreate, cell.getRow(), cell.getColumnIndex(), t, columns, map, rowspan, colspan, this.mergedRegionHelper,startRowNum)[0];
// rowIndex += rowspan - 1 + loopSize - 1;
// }
if (isShift && datas.size() * rowspan > 1 && cell.getRowIndex() + rowspan <= cell.getRow().getSheet().getLastRowNum()) {
int lastRowNum = cell.getRow().getSheet().getLastRowNum();
int shiftRows = lastRowNum - cell.getRowIndex() - rowspan;
cell.getRow().getSheet().shiftRows(cell.getRowIndex() + rowspan, lastRowNum, (datas.size() - 1) * rowspan, true, true);
mergedRegionHelper.shiftRows(cell.getSheet(), cell.getRowIndex() + rowspan, (datas.size() - 1) * rowspan, shiftRows);
this.templateSumHandler.shiftRows(cell.getRowIndex() + rowspan, (datas.size() - 1) * rowspan);
PoiExcelTempUtil.reset(cell.getSheet(), cell.getRowIndex() + rowspan + (datas.size() - 1) * rowspan, cell.getRow().getSheet().getLastRowNum());
}
// 定义循环结束行号
int endRowNum = 0;
// // 创建行
while (its.hasNext()) {
t = its.next();
row = createRow(rowIndex, cell.getSheet(), isCreate, rowspan);
this.setForeachRowCellValue(isCreate, row, cell.getColumnIndex(), t, columns, map, rowspan,
colspan, mergedRegionHelper,startRowNum);
rowIndex += rowspan;
// 每次创建行后，重新给循环结束行号赋值
endRowNum = row.getRowNum();
}
// 如果新创建行了
// 合并循环左侧竖向单元格
if (endRowNum != 0){
Sheet sheet = cell.getRow().getSheet();
int sheetMergeCount = sheet.getNumMergedRegions();
int columnIndex = cell.getColumnIndex();
for(int i = 0; i < sheetMergeCount; ++i) {
CellRangeAddress ca = sheet.getMergedRegion(i);
//int firstColumn = ca.getFirstColumn();
int lastColumn = ca.getLastColumn();
int firstRow = ca.getFirstRow();
int lastRow = ca.getLastRow();
for (int ii = 0;ii < columnIndex;ii++){
if (firstRow <= startRowNum && lastRow > startRowNum && lastColumn == ii){
ca.setLastRow(lastRow + (endRowNum - startRowNum));
}
}
}
}
// while(its.hasNext()) {
// t = its.next();
// row = this.createRow(rowIndex, cell.getSheet(), isCreate, rowspan);
// indexColumn.addConstValue(1);
// loopSize = this.setForeachRowCellValue(isCreate, row, cell.getColumnIndex(), t, columns, map, rowspan, colspan, this.mergedRegionHelper,startRowNum)[0];
// rowIndex += rowspan + loopSize - 1;
// }
}
} 4.1.2.setForeachRowCellValue
/**
* @Author: 徐本锡
* @Date: 2022/3/7 16:59
* @param: [isCreate, row, columnIndex, t, columns, map, rowspan, colspan, mergedRegionHelper, startRowNum]
* @return: int[]
* @description: 修改源码 ：list循环遍历的时候 存在合并单元格情况 导致格式错乱
*/
private int[] setForeachRowCellValue(boolean isCreate, Row row, int columnIndex, Object t, List columns, Map map, int rowspan, int colspan, MergedRegionHelper mergedRegionHelper,int startRowNum) throws Exception {
this.createRowCellSetStyle(row, columnIndex, columns, rowspan, colspan);
int loopSize = 1;
int loopCi = 1;
row = row.getSheet().getRow(row.getRowNum() - rowspan + 1);
for(int k = 0; k < rowspan; ++k) {
int ci = columnIndex;
row.setHeight(this.getMaxHeight(k, colspan, columns));
for(int i = 0; i < colspan && i < columns.size(); ++i) {
boolean isNumber = false;
ExcelForEachParams params = (ExcelForEachParams)columns.get(colspan * k + i);
this.tempCreateCellSet.add(row.getRowNum() + "_" + ci);
if (params != null) {
if (StringUtils.isEmpty(params.getName()) && StringUtils.isEmpty(params.getConstValue())) {
row.getCell(ci).setCellStyle(params.getCellStyle());
ci += params.getColspan();
} else {
Object obj = null;
String tempStr = params.getName();
String val;
boolean isNeedMerge;
if (StringUtils.isEmpty(params.getName())) {
val = params.getConstValue();
} else {
if (this.isHasSymbol(tempStr, "n:")) {
isNumber = true;
tempStr = tempStr.replaceFirst("n:", "");
}
map.put(this.templateParams.getTempParams(), t);
isNeedMerge = false;
String dict = null;
if (this.isHasSymbol(tempStr, "dict:")) {
isNeedMerge = true;
dict = tempStr.substring(tempStr.indexOf("dict:") + 5).split(";")[0];
tempStr = tempStr.replaceFirst("dict:", "");
tempStr = tempStr.replaceFirst(dict + ";", "");
}
obj = PoiElUtil.eval(tempStr, map);
if (isNeedMerge && !(obj instanceof Collection)) {
obj = this.dictHandler.toName(dict, t, tempStr, obj);
}
val = obj.toString();
}
if (obj != null && obj instanceof Collection) {
String collectName = PoiElUtil.evalFindName(tempStr, map);
int[] loop = this.setForEachLoopRowCellValue(row, ci, (Collection)obj, columns, params, map, rowspan, colspan, mergedRegionHelper, collectName);
loopSize = Math.max(loopSize, loop[0]);
i += loop[1] - 1;
ci = loop[2] - params.getColspan();
} else if (obj != null && obj instanceof ImageEntity) {
ImageEntity img = (ImageEntity)obj;
row.getCell(ci).setCellValue("");
if (img.getRowspan() > 1 || img.getColspan() > 1) {
img.setHeight(0);
row.getCell(ci).getSheet().addMergedRegion(new CellRangeAddress(row.getCell(ci).getRowIndex(), row.getCell(ci).getRowIndex() + img.getRowspan() - 1, row.getCell(ci).getColumnIndex(), row.getCell(ci).getColumnIndex() + img.getColspan() - 1));
}
this.createImageCell(row.getCell(ci), (double)img.getHeight(), img.getRowspan(), img.getColspan(), img.getUrl(), img.getData());
} else if (isNumber && StringUtils.isNotEmpty(val)) {
row.getCell(ci).setCellValue(Double.parseDouble(val));
} else {
try {
row.getCell(ci).setCellValue(val);
} catch (Exception var22) {
LOGGER.error(var22.getMessage(), var22);
}
}
if (params.getCellStyle() != null) {
row.getCell(ci).setCellStyle(params.getCellStyle());
}
if (params.isNeedSum()) {
this.templateSumHandler.addValueOfKey(params.getName(), val);
}
this.setMergedRegionStyle(row, ci, params);
// isNeedMerge = (params.getRowspan() != 1 || params.getColspan() != 1) && !mergedRegionHelper.isMergedRegion(row.getRowNum() + 1, ci);
// if (isNeedMerge) {
// PoiMergeCellUtil.addMergedRegion(row.getSheet(), row.getRowNum(), row.getRowNum() + params.getRowspan() - 1, ci, ci + params.getColspan() - 1);
// }
//合并对应单元格
// 存在合并单元格时，这个判断出问题了，需要注释
//&& !mergedRegionHelper.isMergedRegion(row.getRowNum() + 1, ci)
// 将第二个参数改为：循环开始行号
// 原因：这个方法原先是判断当前行这一列，是否需要合并单元格
// 如果是新创建的行，这个方法恒定返回 false ，判断出现问题
// 所以需要改为：判断循环开始行这一列，是否需要合并单元格
isNeedMerge = (params.getRowspan() != 1 || params.getColspan() != 1) && PoiCellUtil.isMergedRegion(row.getSheet(), startRowNum, ci);
if (isNeedMerge) {
Sd3eUtil.addMergedRegionByListForEach(row.getSheet(), row.getRowNum(), row.getRowNum() + params.getRowspan() - 1, ci, ci + params.getColspan() - 1);
}
if (params.getRowspan() == 1 && params.getColspan() == 1) {
row.getCell(ci).getSheet().setColumnWidth(row.getCell(ci).getColumnIndex(), params.getWidth());
}
ci += params.getColspan();
}
}
}
loopCi = Math.max(loopCi, ci);
if (loopSize > 1) {
this.handlerLoopMergedRegion(row, columnIndex, columns, loopSize);
}
row = row.getSheet().getRow(row.getRowNum() + 1);
}
return new int[]{loopSize, loopCi};
} 4.1.3.getLoopEachParams 主要是解决一对多的时候
解决一对多 row循环中，row元素中包含list并且合并单元格时，报空的错误
/**
* @Author: 徐本锡
* @Date: 2022/3/7 17:04
* @param: [columns, columnIndex, collectName]
* @return: java.util.List
* @description: 修改：解决一对多 row循环中，row元素中包含list并且合并单元格时，报空的错误
*/
private List getLoopEachParams(List columns, int columnIndex, String collectName) {
List temp = new ArrayList();
for(int i = 0; i < columns.size(); ++i) {
//解决row循环中，row元素中包含list并且合并单元格时，报空的错误
if (columns.get(i)==null){
continue;
}
((ExcelForEachParams)columns.get(i)).setCollectCell(false);
if (columns.get(i) == null || ((ExcelForEachParams)columns.get(i)).getName().contains(collectName)) {
temp.add(columns.get(i));
if (((ExcelForEachParams)columns.get(i)).getTempName() == null) {
((ExcelForEachParams)columns.get(i)).setTempName(new Stack());
}
((ExcelForEachParams)columns.get(i)).setCollectCell(true);
((ExcelForEachParams)columns.get(i)).getTempName().push(((ExcelForEachParams)columns.get(i)).getName());
((ExcelForEachParams)columns.get(i)).setName(((ExcelForEachParams)columns.get(i)).getName().replace(collectName, "loop_" + columnIndex));
}
}
return temp;
} 4.新建工具类Sd3eUtil
package cn.afterturn.easypoi.esaypoi.util;
import cn.afterturn.easypoi.util.PoiMergeCellUtil;
import org.apache.poi.ss.usermodel.Sheet;
import org.apache.poi.ss.util.CellRangeAddress;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* @version v1.0
* @ProjectName: easypoi-test
* @ClassName: Sd3eUtil
* @Description:
* @Author: xbx
* @Date: 2022/3/7 16:49
*/
public class Sd3eUtil {
private static final Logger LOGGER = LoggerFactory.getLogger(Sd3eUtil.class);
/**
* @Author: 徐本锡
* @Date: 2022/3/7 16:49
* @param: [sheet, firstRow, lastRow, firstCol, lastCol]
* @return: void
* @description: list循环的时候 存在合并单元格的时候 格式错乱问题
*/
public static void addMergedRegionByListForEach(Sheet sheet, int firstRow, int lastRow, int firstCol, int lastCol) {
try {
sheet.addMergedRegion(new CellRangeAddress(firstRow, lastRow, firstCol, lastCol));
} catch (IllegalStateException var6){
//合并单元格的循环 可能存在 已经合并的再次合并 不管他
} catch (Exception var6) {
LOGGER.debug("发生了一次合并单元格错误,{},{},{},{}", new Integer[]{firstRow, lastRow, firstCol, lastCol});
LOGGER.debug(var6.getMessage(), var6);
}
}
}