excel自定义表格poi导出

1.引入poi架包

<!-- POI --><dependency><groupId>org.apache.poi</groupId><artifactId>poi-ooxml</artifactId><version>3.16</version></dependency>

2.添加excel工具类

package com.yss.datamiddle.utils;import org.apache.poi.EncryptedDocumentException;
import org.apache.poi.hssf.usermodel.*;
import org.apache.poi.openxml4j.exceptions.InvalidFormatException;
import org.apache.poi.ss.usermodel.*;
import org.apache.poi.ss.util.CellRangeAddress;
import org.apache.poi.xssf.usermodel.*;
import org.aspectj.weaver.ast.Test;
import org.springframework.core.io.ClassPathResource;import java.io.*;
import java.util.*;
import java.util.function.Predicate;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import java.util.stream.Collectors;/*** 使用一个已经存在的Excel作为模板，可以对当前的模板Excel进行修改操作，* 然后重新输出为流，或者存入文件系统当中。*** @Description: excel模板操作** */
public class ExcelTemplate {private String path;private Workbook workbook;private Sheet[] sheets;private Sheet sheet;private Throwable ex;private List<Cell> cellList = null;private Pattern doublePattern = Pattern.compile("^[0-9]+[.]{0,1}[0-9]*[dD]{0,1}$");/*** 通过模板Excel的路径初始化* */public ExcelTemplate(String path) {this.path = path;init();}public ExcelTemplate(InputStream is) {init(is);}private void init(){ClassPathResource classPathResource = new ClassPathResource(path);//        File file = new File(path);
//        if (file.exists() && (path == null
//                || (!path.endsWith(".xlsx") && !path.endsWith(".xls")))) {
//            ex = new IOException("错误的文件格式");
//        } else{try (InputStream is = classPathResource.getInputStream()){workbook = WorkbookFactory.create(is);sheets = new Sheet[workbook.getNumberOfSheets()];for(int i = 0;i < sheets.length;i++){sheets[i] = workbook.getSheetAt(i);}if(sheets.length > 0) {sheet = sheets[0];}sheet.setForceFormulaRecalculation(true);} catch (EncryptedDocumentException e) {ex = e;} catch (IOException | InvalidFormatException e) {ex = e;}
//        }}private void init(InputStream is){try {workbook = WorkbookFactory.create(is);sheets = new Sheet[workbook.getNumberOfSheets()];for(int i = 0;i < sheets.length;i++){sheets[i] = workbook.getSheetAt(i);}if(sheets.length > 0) {sheet = sheets[0];}sheet.setForceFormulaRecalculation(true);} catch (EncryptedDocumentException e) {ex = e;} catch (IOException | InvalidFormatException e) {ex = e;}}private boolean initSheet(int sheetNo){if(!examine() || sheetNo < 0 || sheetNo > workbook.getNumberOfSheets() - 1) {return false;}int sheetNum = workbook.getNumberOfSheets();sheets = new Sheet[sheetNum];for(int i = 0;i < sheetNum;i++){if(i == sheetNo) {sheet = workbook.getSheetAt(i);}sheets[i] = workbook.getSheetAt(i);}sheet = workbook.getSheetAt(sheetNo);sheet.setForceFormulaRecalculation(true);return true;}/*** 验证模板是否可用* @return true-可用 false-不可用* */public boolean examine(){if(ex == null && workbook != null) {return true;}return false;}private boolean examineSheetRow(int index){if(index < 0 || index > sheet.getLastRowNum()) {return false;}return true;}/*** 使用一个已经存在的row作为模板，* 从sheet[sheetNo]的toRowNum行开始插入这个row模板的副本** @param sheetNo 需要操作的Sheet的编号* @param fromRowStartIndex 模板row区域的开始索引* @param fromRowEndIndex 模板row区域的结束索引* @param toRowIndex 开始插入的row索引值* @param copyNum 复制的数量* @param delRowTemp 是否删除模板row区域* @return int 插入的行数量* @throws IOException* */public int addRowByExist(int sheetNo,int fromRowStartIndex, int fromRowEndIndex,int toRowIndex, int copyNum,boolean delRowTemp)throws IOException {LinkedHashMap<Integer, LinkedList<String>> map = new LinkedHashMap<>();for(int i = 1;i <= copyNum;i++){map.put(i,new LinkedList<>());}return addRowByExist(sheetNo,fromRowStartIndex,fromRowEndIndex,toRowIndex,map,delRowTemp);}/*** 使用一个已经存在的row作为模板，* 从sheet[sheetNo]的toRowNum行开始插入这个row模板的副本,* 并且使用areaValue从左至右，从上至下的替换掉* row区域中值为 ${} 的单元格的值** @param sheetNo 需要操作的Sheet的编号* @param fromRowIndex 模板行的索引* @param toRowIndex 开始插入的row索引* @param areaValues 替换模板row区域的${}值* @return int 插入的行数量* @throws IOException* */public int addRowByExist(int sheetNo,int fromRowIndex, int toRowIndex,LinkedHashMap<Integer,LinkedList<String>> areaValues)throws IOException {return addRowByExist(sheetNo,fromRowIndex,fromRowIndex,toRowIndex,areaValues,true);}/*** 使用一个已经存在的行区域作为模板，* 从sheet的toRowNum行开始插入这段行区域,* areaValue会从左至右，从上至下的替换掉row区域* 中值为 ${} 的单元格的值** @param sheetNo 需要操作的Sheet的编号* @param fromRowStartIndex 模板row区域的开始索引* @param fromRowEndIndex 模板row区域的结束索引* @param toRowIndex 开始插入的row索引* @param areaValues 替换模板row区域的${}值* @param delRowTemp 是否删除模板row区域* @return int 插入的行数量* @throws IOException* */public int addRowByExist(int sheetNo,int fromRowStartIndex, int fromRowEndIndex,int toRowIndex,LinkedHashMap<Integer,LinkedList<String>> areaValues, boolean delRowTemp)throws IOException {exception();if(!examine()|| !initSheet(sheetNo)|| !examineSheetRow(fromRowStartIndex)|| !examineSheetRow(fromRowEndIndex)|| fromRowStartIndex > fromRowEndIndex) {return 0;}int areaNum;List<Row> rows = new ArrayList<>();if(areaValues != null){int n = 0,f = areaValues.size() * (areaNum = (fromRowEndIndex - fromRowStartIndex + 1));// 在插入前腾出空间，避免新插入的行覆盖原有的行shiftAndCreateRows(sheetNo,toRowIndex,f);// 读取需要插入的数据for (Integer key:areaValues.keySet()){List<Row> temp = new LinkedList<>();// 插入行for(int i = 0;i < areaNum;i++){int num = areaNum * n + i;Row toRow = sheet.getRow(toRowIndex + num);Row row;if(toRowIndex >= fromRowEndIndex) {row = copyRow(sheetNo,sheet.getRow(fromRowStartIndex + i),sheetNo,toRow,true,true);} else {row = copyRow(sheetNo,sheet.getRow(fromRowStartIndex + i + f),sheetNo,toRow,true,true);}temp.add(row);}// 使用传入的值覆盖${}或者N${}replaceMark(temp,areaValues.get(key));rows.addAll(temp);n++;}if(delRowTemp){if(toRowIndex >= fromRowEndIndex) {removeRowArea(sheetNo,fromRowStartIndex,fromRowEndIndex);} else {removeRowArea(sheetNo,fromRowStartIndex + f,fromRowEndIndex + f);}}}return rows.size();}/*** 使用一个已经存在的列区域作为模板，* 从sheet的toColumnIndex列开始插入这段列区域,* areaValue会从上至下，从左至右的替换掉列区域* 中值为 ${} 的单元格的值** @param sheetNo 需要操作的Sheet的编号* @param fromColumnStartIndex 模板列区域的开始索引* @param fromColumnEndIndex 模板列区域的结束索引* @param toColumnIndex 开始插入的列索引* @param areaValues 替换模板列区域的${}值* @param delColumnTemp 是否删除模板列区域* @return int 插入的列数量* @throws IOException* */public int addColumnByExist(int sheetNo,int fromColumnStartIndex, int fromColumnEndIndex,int toColumnIndex,LinkedHashMap<Integer,LinkedList<String>> areaValues, boolean delColumnTemp)throws IOException{exception();if(!examine()|| !initSheet(sheetNo)|| fromColumnStartIndex > fromColumnEndIndex|| toColumnIndex < 0) {return 0;}// 合并区域的列的数量int areaNum;List<Integer> n = new ArrayList<>();n.add(0);if(areaValues != null){int f = areaValues.size() * (areaNum = (fromColumnEndIndex - fromColumnStartIndex + 1));// 创建空白的列shiftAndCreateColumns(sheetNo,toColumnIndex-1,f);// 获取所有合并区域List<CellRangeAddress> crds = sheet.getMergedRegions();// 读取需要插入的数据for (Integer key:areaValues.keySet()){for(int i = 0;i < areaNum;i++){// 获取插入的位置int position = toColumnIndex + n.get(0) * areaNum + i;// 插入的列的位置是在复制区域之后if(toColumnIndex >= fromColumnStartIndex) {copyColumn(sheetNo,fromColumnStartIndex + i,sheetNo,position,true);}// 插入的列的位置是在复制区域之前else {copyColumn(sheetNo,fromColumnStartIndex + i + f,sheetNo,position,true);}}// 复制源列的合并区域到新添加的列if(crds != null){crds.forEach(crd -> {// 列偏移量int offset = toColumnIndex - fromColumnStartIndex + areaNum * n.get(0);// 合并区域的宽度int rangeAreaNum = crd.getLastColumn() - crd.getFirstColumn() + 1;// 原合并区域的首列int firstColumn = crd.getFirstColumn();// 需要添加的合并区域首列int addFirstColumn = firstColumn + offset;// 根据插入的列的位置是在复制区域之前还是之后// firstColumn和addFirstColumn分配不同的值firstColumn = toColumnIndex >= fromColumnStartIndex ? firstColumn : firstColumn - f;addFirstColumn = toColumnIndex >= fromColumnStartIndex ? addFirstColumn : toColumnIndex + areaNum * n.get(0);if(firstColumn >= fromColumnStartIndex && firstColumn < fromColumnEndIndex){if ((firstColumn + rangeAreaNum - 1) > fromColumnEndIndex) {rangeAreaNum = fromColumnEndIndex - firstColumn + 1;}if(rangeAreaNum > areaNum){mergedRegion(sheetNo,crd.getFirstRow(),crd.getLastRow(),addFirstColumn,addFirstColumn + areaNum - 1);}else {mergedRegion(sheetNo,crd.getFirstRow(),crd.getLastRow(),addFirstColumn,addFirstColumn + rangeAreaNum - 1);}}});}// 填充${}List<String> fillValues = new ArrayList<>(areaValues.get(key));if (fillValues == null || fillValues.size() == 0){n.replaceAll(i -> i + 1);continue;}List<Cell> needFillCells;initCellList(sheetNo);needFillCells = cellList;// 获取所有的值为${}单元格needFillCells = needFillCells.stream().filter(c -> {if(c != null && c.getCellTypeEnum() == CellType.STRING){if ("${}".equals(c.getStringCellValue()) || "N${}".equals(c.getStringCellValue())) {return true;}}return false;}).collect(Collectors.toList());if (needFillCells == null){n.replaceAll(i -> i + 1);continue;}// 所有的${}单元格按照列从小到大，行从小到大的顺序排序needFillCells.sort((c1,c2) -> {if (c1 == null && c2 == null) {return 0;}if (c1 == null) {return 1;}if (c2 == null) {return -1;}if(c1.getColumnIndex() > c2.getColumnIndex()) {return 1;} else if(c1.getColumnIndex() < c2.getColumnIndex()) {return -1;} else {if(c1.getRowIndex() > c2.getRowIndex()) {return 1;} else if(c1.getRowIndex() < c2.getRowIndex()) {return -1;} else {return 0;}}});needFillCells.stream().filter(c -> {if(c == null) {return false;}// 筛选出当前需要填充的单元格return c.getColumnIndex() >= toColumnIndex + areaNum * n.get(0)&& c.getColumnIndex() <= toColumnIndex + areaNum * (n.get(0) + 1);}).forEach(c -> {if(fillValues.size() > 0){// 设置为列的首行，再移除掉首行的值String value = fillValues.stream().filter(Objects::nonNull).findFirst().orElse("");if (doublePattern.matcher(value == null ? "": value).find()){c.setCellValue(Double.parseDouble(value));}else {c.setCellValue(value);}CellStyle cellStyle = c.getCellStyle();cellStyle.setWrapText(true);c.setCellStyle(cellStyle);fillValues.remove(0);}});n.replaceAll(i -> i + 1);}if(delColumnTemp){if(toColumnIndex >= fromColumnStartIndex) {removeColumnArea(sheetNo,fromColumnStartIndex,fromColumnEndIndex);} else {removeColumnArea(sheetNo,fromColumnStartIndex + f,fromColumnEndIndex + f);}}}return n.get(0);}/*** 使用一个已经存在的列区域作为模板，* 从sheet的toColumnIndex列开始插入这段列区域** @param sheetNo 需要操作的Sheet的编号* @param fromColumnStartIndex 模板列区域的开始索引* @param fromColumnEndIndex 模板列区域的结束索引* @param toColumnIndex 开始插入的列索引* @param copyNum 复制数量* @param delColumnTemp 是否删除模板列区域* @return int 插入的列数量* @throws IOException* */public int addColumnByExist(int sheetNo,int fromColumnStartIndex, int fromColumnEndIndex,int toColumnIndex,int copyNum, boolean delColumnTemp)throws IOException{LinkedHashMap<Integer, LinkedList<String>> map = new LinkedHashMap<>();for(int i = 1;i <= copyNum;i++){map.put(i,new LinkedList<>());}return addColumnByExist(sheetNo,fromColumnStartIndex,fromColumnEndIndex,toColumnIndex,map,delColumnTemp);}/*** 填充Excel当中的变量** @param fillValues 填充的值* @return int 受影响的变量数量* @throws IOException**/public int fillVariable(Map<String,String> fillValues) throws IOException {return fillVariable(0,fillValues);}/*** 填充Excel当中的变量** @param sheetNo 需要操作的Sheet的编号* @param fillValues 填充的值* @return int 受影响的变量数量* @throws IOException**/public int fillVariable(int sheetNo,Map<String,String> fillValues)throws IOException {exception();if(!examine()|| sheetNo < 0|| sheetNo > sheets.length - 1|| fillValues == null|| fillValues.size() == 0) {return 0;}// 验证${}格式Pattern pattern = Pattern.compile("(\\$\\{[^\\}]+})");// 把所有的${}按Cell分类，也就是说如果一个Cell中存在两个${}，// 这两个变量的Cell应该一样Map<Cell,Map<String,String>> cellVal = new HashMap<>();List<Integer> ns = new ArrayList<>();ns.add(0);fillValues.forEach((k,v) ->{// 找到变量所在的单元格Cell cell = findCells(sheetNo,s -> {if(s == null || "".equals(s)) {return false;}Matcher matcher = pattern.matcher(s);while(matcher.find()){String variable = matcher.group(1);if(variable != null&& formatParamCode(variable).equals(k.trim())) {return true;}}return false;}).stream().findFirst().orElse(null);if(cell != null){Map<String,String> cellValMap = cellVal.get(cell);if(cellValMap == null) {cellValMap = new HashMap<>();}cellValMap.put(k,v);cellVal.put(cell,cellValMap);ns.replaceAll(n -> n + 1);}});cellVal.forEach((k,v) -> {String cellValue = k.getStringCellValue();String value = composeMessage(cellValue,v);Matcher matcher = doublePattern.matcher(value == null ? "": value);if (matcher.find()){k.setCellValue(Double.parseDouble(value));}else {k.setCellValue(value);}CellStyle cellStyle = k.getCellStyle();cellStyle.setWrapText(true);k.setCellStyle(cellStyle);});return ns.get(0);}/*** 指定cell插入图片** @param sheetNo 需要操作的Sheet的编号* @param imageBytes 图片字节流* @param imgType 图片类型（举例：png 传入 Workbook.PICTURE_TYPE_PNG作为参数）* @param startRow 开始行* @param endRow 结束行* @param startCol 开始列* @param endCol 结束列* */public void insertPicture(int sheetNo,byte[] imageBytes,int imgType,int startRow,int endRow,int startCol,int endCol) throws IOException {exception();if (!initSheet(sheetNo)) {return;}Drawing patriarch = sheet.createDrawingPatriarch();ClientAnchor anchor = null;if (sheet instanceof XSSFSheet) {anchor = new XSSFClientAnchor(0, 0, 0, 0, (short) startCol, startRow, (short) endCol, endRow);} else {anchor = new HSSFClientAnchor(0, 0, 0, 0, (short) startCol, startRow, (short) endCol, endRow);}anchor.setAnchorType(ClientAnchor.AnchorType.MOVE_AND_RESIZE);patriarch.createPicture(anchor, workbook.addPicture(imageBytes, imgType));if (sheet instanceof  XSSFSheet) {List<XSSFShape> shapes = ((XSSFDrawing)patriarch).getShapes();for (XSSFShape shape : shapes) {XSSFPicture picture = (XSSFPicture) shape;picture.getPreferredSize();}}else {List<HSSFShape> list = ((HSSFSheet)sheet).getDrawingPatriarch().getChildren();for (HSSFShape shape : list) {if (shape instanceof HSSFPicture) {HSSFPicture picture = (HSSFPicture) shape;picture.getClientAnchor();picture.getPictureData();}}}}/*** 根据行坐标和列坐标定位到单元格，填充单元格** @param sheetNo 需要操作的Sheet的编号* @param rowIndex 行坐标* @param columnIndex 列坐标* @param value 填充的值* @return boolean 是否成功* @throws IOException**/public boolean fillByCoordinate(int sheetNo,int rowIndex,int columnIndex,String value)throws IOException {exception();if(!initSheet(sheetNo)) {return false;}Row row = sheet.getRow(rowIndex);if(row == null) {return false;}Cell cell = row.getCell(columnIndex);if(cell == null) {return false;}if (doublePattern.matcher(value == null ? "": value).find()){cell.setCellValue(Double.parseDouble(value));}else{cell.setCellValue(value);}return true;}/*** 根据断言predicate查找sheet当中符合条件的cell** @param sheetNo 需要操作的Sheet的编号* @param predicate 筛选的断言* @return List<Cell> 符合条件的Cell* */public List<Cell> findCells(int sheetNo,Predicate<String> predicate){Objects.requireNonNull(predicate);initCellList(sheetNo);return cellList.stream().map(c -> {if(c != null && c.getCellTypeEnum() == CellType.STRING) {return c.getStringCellValue();}return null;})// Cell流转换为String流.filter(predicate).map(s -> cellList.stream().filter(c -> {if(c != null && c.getCellTypeEnum() == CellType.STRING&& s.equals(c.getStringCellValue())) {return true;}return false;}).findFirst().orElse(null))// String流重新转换位Cell流.filter(c -> c != null).collect(Collectors.toList());}/*** 根据断言predicate查找sheet当中符合条件的Row** @param sheetNo 需要操作的Sheet的编号* @param predicate 筛选的断言* @return List<Row> 符合条件的Row* */public List<Row> findRows(int sheetNo,Predicate<Row> predicate){if(!examine() || !initSheet(sheetNo)) {return null;}List<Row> rows = new ArrayList<>();for(int i = sheet.getFirstRowNum();i <= sheet.getLastRowNum();i++){Row row = sheet.getRow(i);if(predicate.test(row)) {rows.add(row);}}return rows;}/*** 提取变量中的值，比如 formatParamCode("${1234}"),* 会得到结果1234** @param paramCode 需要提取的字符串* @return String* */private String formatParamCode(String paramCode){if(paramCode == null) {return "";}return paramCode.replaceAll("\\$", "").replaceAll("\\{", "").replaceAll("\\}", "");}/*** 使用paramData当中的值替换data当中的变量** @param data 需要提取的字符串* @param paramData 需要替换的值* @return String* */private String composeMessage(String data, Map<String,String> paramData){String regex = "\\$\\{(.+?)\\}";Pattern pattern = Pattern.compile(regex);Matcher matcher = pattern.matcher(data == null ? "": data);StringBuffer msg = new StringBuffer();while (matcher.find()) {String key = matcher.group(1);// 键名String value = paramData.get(key);// 键值if(value == null) {value = "";} else {value = value.replaceAll("\\$", "\\\\\\$");}matcher.appendReplacement(msg, value);}matcher.appendTail(msg);return msg.toString();}/*** 计算excel公式中的单元格的列和行加上数值后的结果** @param isColumn 是否是行的计算* @param value 原始值* @param addNum 添加的数量* @return String* */private String addRowOrColumnIndex(boolean isColumn,String value,int addNum){value = value == null ? "" : value;if(isColumn){if (!Pattern.compile("^[A-Z]+$").matcher(value).find()) {return value;}char[] cs = value.toCharArray();int cardinal = 0;// 组合转换为数字for (int i = cs.length - 1; i >= 0; i--) {cardinal += Math.pow(26,cs.length - 1 - i) * (cs[i] - 64);}// 加上添加后的数值cardinal += addNum;// 不能为0cardinal = cardinal <= 0 ? 1 : cardinal;// 是否需要向前借一位boolean borrowBit = false;Stack<Character> stack = new Stack<>();// 数字转换为组合while (true && cardinal > 0){int mode = cardinal % 26;// 如果到达了第一位if(cardinal >= 1 && cardinal < 26){// 是否需要借位if (borrowBit) {mode -= 1;}// 首位借位之后必须大于0才能添加if (mode > 0) {stack.add((char)(mode + 64));}break;}cardinal -= mode;cardinal /= 26;if (borrowBit){if (mode != 0) {mode -= 1;}// 如果借位的时候，发现本身也为0，需要向前再借位else{mode = 25;borrowBit = true;stack.add((char)(mode + 64));continue;}}if (mode == 0){mode = 26;borrowBit = true;}else {borrowBit = false;}stack.add((char)(mode + 64));}int size = stack.size();char[] chars = new char[size];for (int j = size - 1; j >= 0; j--) {chars[size - 1 - j] = stack.get(j);}return new String(chars);}else {if(!Pattern.compile("^[0-9]+$").matcher(value).find()) {return value;}try{int intValue = Integer.parseInt(value);intValue += addNum;if (intValue <= 0) {return "1";}return Integer.toString(intValue);}catch (NumberFormatException e){return value;}}}/*** 修改公式里面单元格参数的坐标** @param formula 公式* @param index 第几个单元格参数* @param rowAddNum 给行添加的数量* @param columnAddNum 给列添加的数量* @return String* */private String composeFormula(String formula,int index,int rowAddNum,int columnAddNum){String regex = "[A-Z]+[0-9]+";Pattern pattern = Pattern.compile(regex);Matcher matcher = pattern.matcher(formula == null ? "" : formula);List<String> valueList = new LinkedList<>();String oldFormula = formula;while(matcher.find()){String value = matcher.group();valueList.add(value);formula = formula.replaceFirst(value,"@&");}if (index >= 0 && index < valueList.size()){String value = valueList.get(index);Matcher columnMatcher = Pattern.compile("[A-Z]+").matcher(value);String newValue = value;if (columnMatcher.find()){String columnIndex = columnMatcher.group();String rowIndex = value.replaceAll(columnIndex,"");columnIndex = addRowOrColumnIndex(true,columnIndex,columnAddNum);rowIndex = addRowOrColumnIndex(false,rowIndex,rowAddNum);newValue = columnIndex + rowIndex;}valueList.set(index,newValue);}String[] spilts = formula.split("@&");if (spilts.length == 0){if (valueList.size() == 1) {return valueList.get(0);}return oldFormula;}StringBuffer newFormula = new StringBuffer();int position = 0;for (int i = 0; i < spilts.length; i++) {newFormula.append(spilts[i]);if (position < valueList.size()){newFormula.append(valueList.get(position++));}}return newFormula.toString();}/*** 获取单元格里面公式的变量数量* 例如公式 SUM(AP40:AV40)，含有两个单元格变量 AP40和AV40，* 使用此方法会返回2** @param cell 需要操作的单元格* @return int 单元格变量的数量* */public int getFormulaVariableNum(Cell cell){if (cell == null || cell.getCellTypeEnum() != CellType.FORMULA) {return 0;}String formula = cell.getCellFormula();Matcher matcher = Pattern.compile("[A-Z]+[0-9]+").matcher(formula == null ? "" : formula);int count = 0;while(matcher.find()){count++;}return count;}/*** 修改单元格的公式的参数* excel的所有列按照如下规则分布，* A,B,C,D...Z,AA,AB...AZ,BA,BB...BZ...以此类推，* 你可以看成是一个关于A,B,C...Z的排列组合问题** 举例：* 单元格cell的公式为 SUM(AP40:AV40) 是求单元格 AP40 到 AV40的单元格的和，* 其中AP40中的AP表示单元格的列坐标，40表示横坐标，AV40类推。* 如果使用方法 composeCellFormula(cell,0,2,5)，则cell的公式会修改为 SUM(AU42:AV40)** @param cell 需要修改的单元格* @param index 第几个单元格参数* @param rowAddNum 给行添加的数量* @param columnAddNum 给列添加的数量* @return String* */public void composeCellFormula(Cell cell,int index,int rowAddNum,int columnAddNum){if (cell == null || cell.getCellTypeEnum() != CellType.FORMULA) {return;}if (cell instanceof HSSFCell) {throw new IllegalArgumentException("4.1.1及之前的版本的POI的处理xls文件的公式单元格有bug，建议换成xlsx文件，" +"或者去官网查看哪个版本修复了这个bug(https://bz.apache.org/bugzilla/show_bug.cgi?id=64517)，换成此版本POI。" +"如果引用的POI版本已经是修复了此BUG的版本的POI，可以删掉这个异常提示！");}String formula = cell.getCellFormula();cell.setCellFormula(composeFormula(formula,index,rowAddNum,columnAddNum));}// 初始化cellListprivate void initCellList(int sheetNo){cellList = new ArrayList<>();if(examine() && !initSheet(sheetNo)) {return;}int rn = sheet.getLastRowNum();for(int i = 0;i <= rn;i++){Row row = sheet.getRow(i);if(row != null){short cn = row.getLastCellNum();for (int j = 0;j < cn;j++){cellList.add(row.getCell(j));}}}}/*** 替换掉所有行区域中的所有 ${} 标记* valueList对rows中${}替换的顺序是：* 从左至右，从上到下** @param rows 行区域* @param vl 替换的值* */private void replaceMark(List<Row> rows,List<String> vl){if (rows == null || vl == null) {return;}List<String> valueList = new ArrayList<>(vl);rows.forEach(r -> {if(r != null){r.forEach(c -> {if (c != null){if (c.getCellTypeEnum() == CellType.STRING){if("${}".equals(Optional.ofNullable(c.getStringCellValue()).orElse("").trim())){if(valueList == null) {return;}String value = valueList.stream().filter(Objects::nonNull).findFirst().orElse(null);c.setCellValue(value);CellStyle cellStyle = c.getCellStyle();cellStyle.setWrapText(true);c.setCellStyle(cellStyle);if(value != null) {valueList.remove(valueList.indexOf(value));}}else if("N${}".equals(Optional.ofNullable(c.getStringCellValue()).orElse("").trim())){if(valueList == null) {return;}String value = valueList.stream().filter(Objects::nonNull).findFirst().orElse(null);Matcher matcher = doublePattern.matcher(value == null ? "" : value);if (matcher.find()){c.setCellValue(Double.parseDouble(value));CellStyle cellStyle = c.getCellStyle();cellStyle.setWrapText(true);c.setCellStyle(cellStyle);if(value != null) {valueList.remove(valueList.indexOf(value));}}else {throw new IllegalArgumentException("N${} 所替换的内容只能为数字,非法参数\"" + value + "\"");}}}}});}});}/*** 复制Row到sheet中的另一个Row** @param fromSheetNo 复制的行所在的sheet* @param fromRow 需要复制的行* @param toSheetNo 粘贴的行所在的sheet* @param toRow 粘贴的行* @param copyValueFlag 是否需要复制值* @param needMerged 是否需要合并单元格*/private Row copyRow(int fromSheetNo,Row fromRow, int toSheetNo,Row toRow, boolean copyValueFlag,boolean needMerged) {if(fromSheetNo < 0 || fromSheetNo > workbook.getNumberOfSheets()|| toSheetNo < 0 || toSheetNo > workbook.getNumberOfSheets()) {return null;}if (fromRow == null) {return null;}if(toRow == null){Sheet sheet = workbook.getSheetAt(toSheetNo);if(sheet == null) {return null;}toRow = sheet.createRow(fromRow.getRowNum());if(toRow == null) {return null;}}// 设置高度toRow.setHeight(fromRow.getHeight());// 遍历行中的单元格for(Cell c:fromRow){Cell newCell = toRow.createCell(c.getColumnIndex());copyCell(c, newCell, copyValueFlag);}// 如果需要合并if(needMerged){Sheet fromSheet = workbook.getSheetAt(fromSheetNo);Sheet toSheet = workbook.getSheetAt(toSheetNo);// 遍历行当中的所有的合并区域List<CellRangeAddress> crds = fromSheet.getMergedRegions();if(crds != null && crds.size() > 0){for(CellRangeAddress crd : crds){// 如果当前合并区域的首行为复制的源行if(crd.getFirstRow() == fromRow.getRowNum()) {// 创建对应的合并区域CellRangeAddress newCellRangeAddress = new CellRangeAddress(toRow.getRowNum(),(toRow.getRowNum() + (crd.getLastRow() - crd.getFirstRow())),crd.getFirstColumn(),crd.getLastColumn());// 添加合并区域safeMergedRegion(toSheetNo,newCellRangeAddress);}}}}return toRow;}/*** 复制sheet中列的另一列** @param fromSheetNo 复制的行所在的sheet* @param fromColumnIndex 需要复制的行索引* @param toSheetNo 粘贴的行所在的sheet* @param toColumnIndex 粘贴的行* @param copyValueFlag 是否需要复制值*/private void copyColumn(int fromSheetNo,int fromColumnIndex,int toSheetNo,int toColumnIndex,boolean copyValueFlag) {if(fromSheetNo < 0 || fromSheetNo > workbook.getNumberOfSheets()|| toSheetNo < 0 || toSheetNo > workbook.getNumberOfSheets()) {return;}Sheet fromSheet = workbook.getSheetAt(fromSheetNo);Sheet toSheet = workbook.getSheetAt(toSheetNo);for(int i = 0;i <= fromSheet.getLastRowNum();i++){Row fromRow = fromSheet.getRow(i);Row toRow = toSheet.getRow(i);if(fromRow == null) {continue;}if(toRow == null) {toRow = toSheet.createRow(i);}if(toRow == null) {continue;}// 设置高度toRow.setHeight(fromRow.getHeight());Cell srcCell = fromRow.getCell(fromColumnIndex);Cell distCell = toRow.getCell(toColumnIndex);if(srcCell == null) {continue;}if(distCell == null) {distCell = toRow.createCell(toColumnIndex);}// 设置列宽toSheet.setColumnWidth(toColumnIndex,fromSheet.getColumnWidth(fromColumnIndex));copyCell(srcCell,distCell,copyValueFlag);}}/*** 复制Cell到sheet中的另一个Cell** @param srcCell 需要复制的单元格* @param distCell 粘贴的单元格* @param copyValueFlag true则连同cell的内容一起复制*/private void copyCell(Cell srcCell, Cell distCell, boolean copyValueFlag) {if (srcCell == null || distCell == null) {return;}// 获取源单元格的样式CellStyle srcStyle = srcCell.getCellStyle();// 复制样式distCell.setCellStyle(srcStyle);// 复制评论if(srcCell.getCellComment() != null) {distCell.setCellComment(srcCell.getCellComment());}// 不同数据类型处理CellType srcCellType = srcCell.getCellTypeEnum();if(copyValueFlag) {if(srcCellType == CellType.NUMERIC) {if(DateUtil.isCellDateFormatted(srcCell)) {distCell.setCellValue(srcCell.getDateCellValue());} else {distCell.setCellValue(srcCell.getNumericCellValue());}} else if(srcCellType == CellType.STRING) {distCell.setCellValue(srcCell.getRichStringCellValue());} else if(srcCellType == CellType.BLANK) {} else if(srcCellType == CellType.BOOLEAN) {distCell.setCellValue(srcCell.getBooleanCellValue());} else if(srcCellType == CellType.ERROR) {distCell.setCellErrorValue(srcCell.getErrorCellValue());} else if(srcCellType == CellType.FORMULA) {distCell.setCellFormula(srcCell.getCellFormula());} else {}}}/*** 合并单元格区域，本方法是安全的操作，在出现合并冲突的时候，* 分割合并区域，然后最大限度的合并冲突区域** 使用此方法而不是采用addMergedRegion()和* addMergedRegionUnsafe()合并单元格区间，* 因为此方法会自行解决合并区间冲突，避免报错或者生成* 无法打开的excel** @param sheetNo 需要操作的Sheet的编号* @param firstRow 开始行* @param lastRow 结束行* @param firstCol 开始列* @param lastCol 结束列* */public void mergedRegion(int sheetNo,int firstRow, int lastRow, int firstCol, int lastCol){if(firstRow > lastRow || firstCol > lastCol) {return;}CellRangeAddress address = new CellRangeAddress(firstRow,lastRow,firstCol,lastCol);safeMergedRegion(sheetNo,address);}/*** 合并单元格区域，本方法是安全的操作，在出现合并冲突的时候，* 分割合并区域，然后最大限度的合并冲突区域** @param sheetNo 需要操作的Sheet的编号* @param rangeAddress 合并的单元格区域* */private void safeMergedRegion(int sheetNo,CellRangeAddress rangeAddress){if(!examine() || !initSheet(sheetNo) || rangeAddress == null) {return;}// 获取所有合并的区域List<CellRangeAddress> crds = sheet.getMergedRegions();if(crds == null) {return;}// 获取描述单元格区域的坐标，// 在首行和首列，坐标等于行编号，// 在末行和末列，坐标等于行编号加1int firstRow = rangeAddress.getFirstRow();int lastRow = rangeAddress.getLastRow() + 1;int firstColumn = rangeAddress.getFirstColumn();int lastColumn = rangeAddress.getLastColumn() + 1;// 查找冲突的单元格区域CellRangeAddress conflictRange = crds.stream().filter(crd -> {// 获取单元格区域的坐标int cFirstRow = crd.getFirstRow();int cLastRow = crd.getLastRow() + 1;int cFirstColumn = crd.getFirstColumn();int cLastColumn = crd.getLastColumn()  + 1;// 每个合并单元格区域看成一个长方形// 计算两个长方形中心的X坐标的距离float xDistance = (float)(lastColumn + firstColumn)/2- (float)(cLastColumn + cFirstColumn)/2;// 每个合并单元格区域看成一个长方形// 计算两个长方形中心的Y坐标的距离float yDistance = (float)(lastRow + firstRow)/2- (float)(cLastRow + cFirstRow)/2;// 获取距离的绝对值xDistance = xDistance >= 0 ? xDistance : -xDistance;yDistance = yDistance >= 0 ? yDistance : -yDistance;// 如果两个合并区域相交了，返回trueif(xDistance < ((float)(lastColumn - firstColumn)/2 + (float)(cLastColumn - cFirstColumn)/2)&& yDistance < ((float)(lastRow - firstRow)/2 + (float)(cLastRow - cFirstRow)/2)) {return true;}return false;}).findFirst().orElse(null);// 如果没有查找到冲突的区域，直接合并if(conflictRange == null){if(examineRange(rangeAddress)) {sheet.addMergedRegion(rangeAddress);}}// 如果合并区域冲突了，分离新增的合并区域List<CellRangeAddress> splitRangeAddr = splitRangeAddress(conflictRange,rangeAddress);if(splitRangeAddr != null) {splitRangeAddr.forEach(sra -> safeMergedRegion(sheetNo,sra));}}/*** 如果插入的目标合并区域target和sheet中已存在的合并区域source冲突，* 把target分割成多个合并区域，这些合并区域都不会和source冲突** @param source 已经存在的合并单元格区域* @param target 新增的合并单元格区域* @return target分离之后的合并单元格列表* */private List<CellRangeAddress> splitRangeAddress(CellRangeAddress source,CellRangeAddress target){List<CellRangeAddress> splitRangeAddr = null;if(source == null || target == null) {return null;}// 获取source区域的坐标int sFirstRow = source.getFirstRow();int sLastRow = source.getLastRow() + 1;int sFirstColumn = source.getFirstColumn();int sLastColumn = source.getLastColumn() + 1;// 获取target区域的坐标int tFirstRow = target.getFirstRow();int tLastRow = target.getLastRow() + 1;int tFirstColumn = target.getFirstColumn();int tLastColumn = target.getLastColumn() + 1;while(true){if(splitRangeAddr == null) {splitRangeAddr = new ArrayList<>();}// 如果target被切分得无法越过source合并区域，退出循环if(tFirstRow >= sFirstRow && tLastRow <= sLastRow&& tFirstColumn >= sFirstColumn && tLastColumn <= sLastColumn) {break;}// 只考虑Y坐标，当source的最大Y坐标sLastRow在开区间(tFirstRow,tLastRow)if(sLastRow > tFirstRow && sLastRow < tLastRow){CellRangeAddress address =new CellRangeAddress(sLastRow,tLastRow - 1,tFirstColumn,tLastColumn - 1);tLastRow = sLastRow;if(examineRange(address)) {splitRangeAddr.add(address);}}// 只考虑Y坐标，当source的最小Y坐标sFirstRow在开区间(tFirstRow,tLastRow)if(sFirstRow > tFirstRow && sFirstRow < tLastRow){CellRangeAddress address =new CellRangeAddress(tFirstRow,sFirstRow - 1,tFirstColumn,tLastColumn - 1);tFirstRow = sFirstRow;if(examineRange(address)) {splitRangeAddr.add(address);}}// 只考虑X坐标，当source的最小X坐标sFirstColumn在开区间(tFirstColumn,tLastColumn)if(sFirstColumn > tFirstColumn && sFirstColumn < tLastColumn){CellRangeAddress address =new CellRangeAddress(tFirstRow,tLastRow - 1,tFirstColumn,sFirstColumn - 1);tFirstColumn = sFirstColumn;if(examineRange(address)) {splitRangeAddr.add(address);}}// 只考虑X坐标，当source的最大X坐标sLastColumn在开区间(tFirstColumn,tLastColumn)if(sLastColumn > tFirstColumn && sLastColumn < tLastColumn){CellRangeAddress address =new CellRangeAddress(tFirstRow,tLastRow - 1,sLastColumn,tLastColumn - 1);tLastColumn = sLastColumn;if(examineRange(address)) {splitRangeAddr.add(address);}}}return splitRangeAddr;}// 检查合并区域private boolean examineRange(CellRangeAddress address){if(address == null || !examine()) {return false;}int firstRowNum = address.getFirstRow();int lastRowNum = address.getLastRow();int firstColumnNum = address.getFirstColumn();int lastColumnNum = address.getLastColumn();if(firstRowNum == lastRowNum && firstColumnNum == lastColumnNum) {return false;}return true;}private void exception() throws EncryptedDocumentException, IOException {if(ex != null){if(ex instanceof EncryptedDocumentException) {throw new EncryptedDocumentException("无法读取的加密文件");} else if(ex instanceof IOException) {throw new IOException(ex);} else {return;}}}/*** 把sheet[sheetNo]当中所有的行从startRow位置开始，* 全部下移moveNum数量的位置，并且在腾出的空间当中创建新行** 应该使用本方法而不是采用sheet.shiftRows()和sheet.createRow()，* 主要是因为插入一段行的时候会进行如下步骤：* 第一：使用shiftRows腾出空间* 第二：使用createRow(position)从position开始创建行* 但是这样，后面下移的行的合并单元格会部分消失，* 并且新创建的行的合并单元格并没有消失，这是因为sheet当中的* 大于position的CellRangeAddress并没有跟着下移。* 而使用本方法下移并且在中间自动插入行，新插入的行不会含有任何合并单元格，* 并且原来的合并单元格也不会消失。** @param sheetNo 需要操作的Sheet的编号* @param startRow 移动的Row区间的起始位置* @param moveNum 移动的行数* */public synchronized void shiftAndCreateRows(int sheetNo,int startRow,int moveNum){if(!examine() || !initSheet(sheetNo))return;// 复制当前需要操作的sheet到一个临时的sheetSheet tempSheet = workbook.cloneSheet(sheetNo);// 获取临时sheet在workbook当中的索引int tempSheetNo = workbook.getSheetIndex(tempSheet);// 得到临时sheet的第一个row的索引int firstRowNum = tempSheet.getFirstRowNum();// 得到临时sheet的最后一个row的索引int lastRowNum = tempSheet.getLastRowNum();if(!clearSheet(sheetNo)){return;}if (startRow <= lastRowNum){for(int i= firstRowNum;i <= lastRowNum - firstRowNum + moveNum + 1;i++) {sheet.createRow(i);}}else {for(int i= firstRowNum;i <= startRow + moveNum + 1;i++) {sheet.createRow(i);}}for(int i= firstRowNum;i <= lastRowNum;i++){if(i < startRow) {copyRow(tempSheetNo,tempSheet.getRow(i),sheetNo,sheet.getRow(i),true,true);}// 到达需要插入的索引的位置，需要留出moveNum空间的行else {copyRow(tempSheetNo,tempSheet.getRow(i),sheetNo,sheet.getRow(i + moveNum),true,true);}}settingColumnWidth(tempSheetNo,sheetNo);// 删除临时的sheetworkbook.removeSheetAt(tempSheetNo);}/*** 把sheet[sheetNo]当中所有的列从startColumn位置开始，* 全部右移moveNum数量的位置，并且在腾出的空间当中创建新列** @param sheetNo 需要操作的Sheet的编号* @param startColumn 移动的列区间的起始位置* @param moveNum 移动的列数* */public synchronized void shiftAndCreateColumns(int sheetNo,int startColumn,int moveNum){if(!examine() || !initSheet(sheetNo))return;// 复制当前需要操作的sheet到一个临时的sheetSheet tempSheet = workbook.cloneSheet(sheetNo);// 获取临时sheet在workbook当中的索引int tempSheetNo = workbook.getSheetIndex(tempSheet);// 得到临时sheet的第一个row的索引int firstRowNum = tempSheet.getFirstRowNum();// 得到临时sheet的最后一个row的索引int lastRowNum = tempSheet.getLastRowNum();if(!clearSheet(sheetNo)){return;}for(int i = firstRowNum;i <= lastRowNum;i++){Row row = tempSheet.getRow(i);if(row != null){int addNum = row.getLastCellNum() + moveNum;for(int j = 0;j < moveNum;j++){row.createCell(addNum);}for(int j = 0;j <= row.getLastCellNum();j++){if(j <= startColumn) {copyColumn(tempSheetNo,j,sheetNo,j,true);} else {copyColumn(tempSheetNo,j,sheetNo,j + moveNum,true);}}}}List<CellRangeAddress> crds = tempSheet.getMergedRegions();if(crds == null) {return;}crds.forEach(crd -> {int firstColumn;int lastColumn;if((lastColumn = crd.getLastColumn()) <= startColumn) {safeMergedRegion(sheetNo,crd);} else if((firstColumn = crd.getFirstColumn()) <= startColumn){if(lastColumn > startColumn){CellRangeAddress range = new CellRangeAddress(crd.getFirstRow(),crd.getLastRow(),firstColumn,startColumn);if(examineRange(range)) {safeMergedRegion(sheetNo,range);}range = new CellRangeAddress(crd.getFirstRow(),crd.getLastRow(),startColumn + moveNum + 1,lastColumn + moveNum);if(examineRange(range)) {safeMergedRegion(sheetNo,range);}}}else if(firstColumn > startColumn){CellRangeAddress range = new CellRangeAddress(crd.getFirstRow(),crd.getLastRow(),firstColumn + moveNum,lastColumn + moveNum);if(examineRange(range)) {safeMergedRegion(sheetNo,range);}}});// 删除临时的sheetworkbook.removeSheetAt(tempSheetNo);}/*** 移除掉行区域** @param sheetNo 需要操作的Sheet的编号* @param startRow 起始行* @param endRow 结束行* */public synchronized void removeRowArea(int sheetNo,int startRow,int endRow){if(!examine() || !initSheet(sheetNo) || startRow > endRow)return;// 复制当前需要操作的sheet到一个临时的sheetSheet tempSheet = workbook.cloneSheet(sheetNo);// 获取临时sheet在workbook当中的索引int tempSheetNo = workbook.getSheetIndex(tempSheet);// 得到临时sheet的第一个row的索引int firstRowNum = tempSheet.getFirstRowNum();// 得到临时sheet的最后一个row的索引int lastRowNum = tempSheet.getLastRowNum();// 清空sheetif(!clearSheet(sheetNo)){return;}int delNum = endRow - startRow + 1;for(int i = firstRowNum;i <= lastRowNum;i++){Row fromRow = tempSheet.getRow(i);Row toRow =  sheet.createRow(i);if(i < startRow) {copyRow(tempSheetNo,fromRow,sheetNo,toRow,true,false);} else {copyRow(tempSheetNo,tempSheet.getRow(i + delNum),sheetNo,toRow,true,false);}}List<CellRangeAddress> crds = tempSheet.getMergedRegions();if(crds == null) {return;}crds.forEach(crd -> {if(crd != null){int firstMergedRow = crd.getFirstRow();int lastMergedRow = crd.getLastRow();int firstMergedColumn = crd.getFirstColumn();int lastMergedClolunm = crd.getLastColumn();if(lastMergedRow < startRow) {safeMergedRegion(sheetNo,crd);} else if(lastMergedRow >= startRow){if(lastMergedRow <= endRow){if(firstMergedRow < startRow){mergedRegion(sheetNo,firstMergedRow,startRow - 1,firstMergedColumn,lastMergedClolunm);}}else if(lastMergedRow > endRow){if(firstMergedRow < startRow){mergedRegion(sheetNo,firstMergedRow,lastMergedRow - delNum,firstMergedColumn,lastMergedClolunm);}else if(firstMergedRow >= startRow && firstMergedRow <= endRow){mergedRegion(sheetNo,endRow + 1 - delNum,lastMergedRow - delNum,firstMergedColumn,lastMergedClolunm);}else if(firstMergedRow > endRow){mergedRegion(sheetNo,firstMergedRow - delNum,lastMergedRow - delNum,firstMergedColumn,lastMergedClolunm);}}}}});settingColumnWidth(tempSheetNo,sheetNo);// 删除临时的sheetworkbook.removeSheetAt(tempSheetNo);}/*** 移除掉列区域** @param sheetNo 需要操作的Sheet的编号* @param startCol 起始列* @param endCol 结束列* */public synchronized void removeColumnArea(int sheetNo,int startCol,int endCol){if(!examine() || !initSheet(sheetNo) || startCol > endCol)return;// 复制当前需要操作的sheet到一个临时的sheetSheet tempSheet = workbook.cloneSheet(sheetNo);// 获取临时sheet在workbook当中的索引int tempSheetNo = workbook.getSheetIndex(tempSheet);// 得到临时sheet的第一个row的索引int firstRowNum = tempSheet.getFirstRowNum();// 得到临时sheet的最后一个row的索引int lastRowNum = tempSheet.getLastRowNum();if(!clearSheet(sheetNo)){return;}for(int i = firstRowNum;i <= lastRowNum;i++){Row row = tempSheet.getRow(i);if(row != null){for(int j = 0;j < row.getLastCellNum();j++){// 到达删除区间之前正常复制if(j < startCol) {copyColumn(tempSheetNo,j,sheetNo,j,true);}// 到达删除区间后，跳过区间长度复制else {copyColumn(tempSheetNo,j + endCol - startCol + 1,sheetNo,j,true);}}}}List<CellRangeAddress> crds = tempSheet.getMergedRegions();if(crds == null) {return;}crds.forEach(crd -> {int delColNum = endCol - startCol + 1;int firstMergedRow = crd.getFirstRow();int lastMergedRow = crd.getLastRow();int firstMergedColumn = crd.getFirstColumn();int lastMergedClolunm = crd.getLastColumn();if(lastMergedClolunm < startCol) {safeMergedRegion(sheetNo,crd);} else if(lastMergedClolunm >= startCol){if(lastMergedClolunm <= endCol){if(firstMergedColumn < startCol){mergedRegion(sheetNo,firstMergedRow,lastMergedRow,firstMergedColumn,startCol - 1);}}else if(lastMergedClolunm > endCol){if(firstMergedColumn < startCol){mergedRegion(sheetNo,firstMergedRow,lastMergedRow,firstMergedColumn,lastMergedClolunm - delColNum);}else if(firstMergedColumn >= startCol && firstMergedColumn <= endCol){mergedRegion(sheetNo,firstMergedRow,lastMergedRow,endCol + 1 - delColNum,lastMergedClolunm - delColNum);}else if(firstMergedColumn > endCol){mergedRegion(sheetNo,firstMergedRow,lastMergedRow,firstMergedColumn - delColNum,lastMergedClolunm -delColNum);}}}});// 删除临时的sheetworkbook.removeSheetAt(tempSheetNo);}private void settingColumnWidth(int sourceSheetNo,int sheetNo){if(sourceSheetNo < 0 || sourceSheetNo > workbook.getNumberOfSheets() ||sheetNo < 0 || sheetNo > workbook.getNumberOfSheets()) {return;}List<Row> rows = new ArrayList<>();for(int i = sheet.getFirstRowNum();i <= sheet.getLastRowNum();i++){Row row = sheet.getRow(i);if(row != null) {rows.add(row);}}Row maxColumnRow = rows.stream().max((r1,r2) -> {if (r1 == null && r2 == null) {return 0;}if (r1 == null) {return 1;}if (r2 == null) {return -1;}if (r1.getLastCellNum() == r2.getLastCellNum()) {return 0;}if (r1.getLastCellNum() > r2.getLastCellNum()) {return 1;} else {return -1;}}).filter(r -> r != null).orElse(null);if(maxColumnRow != null){int maxColumn = maxColumnRow.getLastCellNum();for (int i = 0; i < maxColumn; i++) {workbook.getSheetAt(sheetNo).setColumnWidth(i,workbook.getSheetAt(sourceSheetNo).getColumnWidth(i));}}}/*** 清除掉sheet，清除不是删除，只是会清除所有* 的列的值和和合并单元格** @param sheetNo 需要操作的Sheet的编号* @return boolean true-成功 false-失败* */public synchronized boolean clearSheet(int sheetNo){if(!examine()) {return false;}int sheetNum;if(sheetNo < 0 || sheetNo > (sheetNum = workbook.getNumberOfSheets())) {return false;}for(int i = 0;i < sheetNum;i++){if(i == sheetNo){String sheetName = workbook.getSheetName(i);workbook.removeSheetAt(i);workbook.createSheet(sheetName);}if(i > sheetNo){int offset = i - sheetNo;String sheetName = workbook.getSheetName(i-offset);Sheet newSheet = workbook.cloneSheet(i-offset);workbook.removeSheetAt(i-offset);workbook.setSheetName(workbook.getSheetIndex(newSheet),sheetName);}}if(!initSheet(sheetNo)) {return false;}return true;}/*** 存储Excel** @param path 存储路径* @throws IOException*/public void save(String path) throwsIOException {exception();if(!examine())return;try (FileOutputStream fos = new FileOutputStream(path)){workbook.write(fos) ;}}/*** 返回Excel的字节数组** @return byte[]*/public byte[] getBytes(){if(!examine())return null;try(ByteArrayOutputStream ops = new ByteArrayOutputStream()){workbook.write(ops);return ops.toByteArray();} catch (IOException e) {e.printStackTrace();}return null;}/*** 返回Workbook** @return Workbook* @throws IOException* */public Workbook getWorkbook()throws IOException {exception();return workbook;}/*** @return sheet的数量* */public int getSheetNum(){return workbook.getNumberOfSheets();}/*** 返回sheet的行数量** @param sheetNo 需要操作的Sheet的编号* @return int 行数量* */public int getSheetRowNum(int sheetNo){if(!examine() || !initSheet(sheetNo))return 0;return sheets[sheetNo].getLastRowNum();}/*** 设置excel的缩放率** @param zoom 缩放率* */public void setZoom(int zoom){if(!examine() || !initSheet(workbook.getSheetIndex(sheet)))return;for (int i = 0; i < sheets.length; i++) {sheets[i].setZoom(zoom);}}@Overridepublic boolean equals(Object o){if(o == null)return false;if(o == this)return true;if(!(o instanceof ExcelTemplate))return false;if(examine() ^ ((ExcelTemplate)o).examine())return false;return Objects.equals(path,((ExcelTemplate)o).path);}@Overridepublic int hashCode(){int hash = Objects.hashCode(path);return hash >>> 16 ^ hash;}@Overridepublic String toString(){return "ExcelTemplate from " + path + " is " +(examine() ? "effective" : "invalid");}
}

3.1实体类1

import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;/*** @Author:Mr.zhj* @Date:2022/5/20 10:01* @Description:*/@Target(ElementType.FIELD)
@Retention(RetentionPolicy.RUNTIME)
public @interface ExcelImport {/** 字段名称 */String value();/** 导出映射，格式如：0-未知;1-男;2-女 */String kv() default "";/** 是否为必填字段（默认为非必填） */boolean required() default false;/** 最大长度（默认255） */int maxLength() default 255;/** 导入唯一性验证（多个字段则取联合验证） */boolean unique() default false;}

3.2实体类2

package com.yss.datamiddle.entity.util;import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;/*** @Author:Mr.zhj* @Date:2022/5/20 9:57* @Description:*/@Target(ElementType.FIELD)
@Retention(RetentionPolicy.RUNTIME)public @interface ExcelExport {/** 字段名称 */String value();/** 导出排序先后: 数字越小越靠前（默认按Java类字段顺序导出） */int sort() default 0;/** 导出映射，格式如：0-未知;1-男;2-女 */String kv() default "";/** 导出模板示例值（有值的话，直接取该值，不做映射） */String example() default "";}

3.3实体类3

package com.yss.datamiddle.entity.util;import java.util.LinkedHashMap;/*** @Author:Mr.zhj* @Date:2022/5/20 9:56* @Description:*/
public class ExcelClassField {/** 字段名称 */private String fieldName;/** 表头名称 */private String name;/** 映射关系 */private LinkedHashMap<String, String> kvMap;/** 示例值 */private Object example;/** 排序 */private int sort;/** 是否为注解字段：0-否，1-是 */private int hasAnnotation;public String getFieldName() {return fieldName;}public void setFieldName(String fieldName) {this.fieldName = fieldName;}public String getName() {return name;}public void setName(String name) {this.name = name;}public LinkedHashMap<String, String> getKvMap() {return kvMap;}public void setKvMap(LinkedHashMap<String, String> kvMap) {this.kvMap = kvMap;}public Object getExample() {return example;}public void setExample(Object example) {this.example = example;}public int getSort() {return sort;}public void setSort(int sort) {this.sort = sort;}public int getHasAnnotation() {return hasAnnotation;}public void setHasAnnotation(int hasAnnotation) {this.hasAnnotation = hasAnnotation;}
}

4.control层调用

   /*** 服务管理-导出* @return {@link ResponseResult}*/@ApiOperation("服务管理-导出")@PostMapping("export")public void export(HttpServletResponse response,@RequestBody @Validated ServiceInfoExportReq serviceInfoExportReq)throws UnsupportedEncodingException {log.info("服务管理-导出" + " serviceInfoExportReq：{" + serviceInfoExportReq + "}");List<ParamEntity> paramEntityList=serviceInfoService.export(serviceInfoExportReq);// 加载导出模板，excel模板的项目中路径ExcelTemplate excel = new ExcelTemplate("excelTemplate/service.xlsx");if (!excel.examine()) {return;}// 使用一个Map来存储所有的行区域，// 每个行区域对应Map的一个键LinkedHashMap<Integer, LinkedList<String>> rows = new LinkedHashMap<>();// 创建第一个行区域里面填充的值，ExcelTemplate会按从左至右，// 从上往下的顺序，挨个填充区域里面的${}，所以创建的时候注意顺序就好for(int i=1;i<paramEntityList.size()+1;i++){LinkedList<String> list=new LinkedList();list.add(paramEntityList.get(i-1).getColumnsName());list.add(paramEntityList.get(i-1).getColumnsCode());list.add("");list.add(paramEntityList.get(i-1).getColumnsType());rows.put(i,list);}//         创建需要填充替换的值
//        ${参数名}
//        Map<String, String> fill = new HashMap<>();
//        //项目名称
//        fill.put("projectName", "测试项目");
//        //项目编号
//        fill.put("projectSn", "HT2021");
//        //客户名称
//        fill.put("keHuName", "股份有限公司");
//        //客户联系人
//        fill.put("ContactName", "联系人");String fileName = "接口服务.xlsx";//创建文件名(改)String fileNameURL = URLEncoder.encode(fileName, "UTF-8");response.setContentType("octets/stream");response.setHeader("Content-disposition", "attachment;filename=" + fileNameURL + ";" + "filename*=utf-8''" + fileNameURL);response.addHeader("Pargam", "no-cache");response.addHeader("Cache-Control", "no-cache");try {// 第一个参数，需要操作的sheet的索引// 第二个参数，需要复制的区域的第一行索引// 第三个参数，需要复制的区域的最后一行索引// 第四个参数，需要插入的位置的索引// 第五个参数，填充行区域中${}的值// 第六个参数，是否需要删除原来的区域// 需要注意的是，行的索引一般要减一excel.addRowByExist(0,6,6,7,rows,true); // 第一个参数，需要操作的sheet的索引// 第二个参数，替换sheet当中${<变量的值>}的值
//            excel.fillVariable(2, fill);try (OutputStream os = response.getOutputStream()) {os.write(excel.getBytes());os.flush();}} catch (IOException e) {e.printStackTrace();}}

excel模板

输出excel

5.excel位置

excel自定义表格poi导出相关推荐

java导出excel 客户端_Java poi导出Excel下载到客户端
Java poi 导出Excel并下载到客户端,具体内容如下 Maven配置,包含了其他文件格式的依赖,就全贴出来了 org.apache.poi poi-excelant 3.12 org.apac ...
java poi excel 图表_java poi导出带图表的excel表格
1 /** 2 *导出综合得分统计3 *@paramfileName4 *@paramrequest5 *@paramresponse6 *@paramheadInfo7 *@paramdataLis ...
php表格怎么导成excel,cad表格如何导出到excel
cad表格导出到excel的方法:首先创建表格,并左键[表格]命令:然后设置列宽行高,并输入内容:接着选中整个表格,右键找到[输出]选项:最后确定文件保存的位置,点击保存. 本文操作环境:Window ...
根据Excel自定义的格式导出数据
需求背景: 我的系统中有这么多字段,可能分布在用户上传的excel文档中的任意一列, 现在按照用户的摆放的title位置,填充数据进excel. 模板样式: 维护用户定义的title信息和系统内属性对 ...
java poi生成excel文件_java poi 导出Excel文件
1,导包 poi-3.9-XXX.JAR 2, 创建一个实体对象 public class Student implements Serializable { /** * */ private st ...
POI导出读取Excel表格讲解
文章目录一.POI是什么? Apache POI介绍 EasyExcel介绍二.常用信息三.导出Excel表具体操作 1.POI-Excel写 2.大文件写数据 3.大文件写SXSSF 四.读E ...
JAVA POI导出EXCEL设置自定义样式（线框加粗，合并指定行，合计求和，冻结行）
前面部分是当时查询的记录: 实现Excel文件单元格合并.冻结和文件导出 Workbook wb = new HSSFWorkbook();Sheet sheet = wb.createSheet(& ...
java中poi导出Excel表格(前台流文件接收)
java中poi导出Excel表格,前端以流的方式接收,而非直接生成文件再下载,解决多台服务器部署后,路径地址不统一导致的下载问题. 生成Excel示例图: 2.代码说明 ① 在上次的基础上增加了底部 ...
Java操作poi导出Excel自定义字体颜色
Java操作poi导出Excel自定义字体颜色功能介绍 POI操作Excel 第一步创建一个导出的工具类整体定义表格字体样式自定义表格字体样式总结功能介绍 Apache POI 是用Java ...

excel自定义表格poi导出

excel自定义表格poi导出相关推荐

最新文章

热门文章