From c97259ad44e4238123b50901b7064b6c13809fe8 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=E5=B0=91=E5=B9=B4=E6=A2=A6=E4=B8=8E=E7=A0=96?= <2847127106@qq.com> Date: Sat, 10 Aug 2024 11:48:36 +0800 Subject: [PATCH] =?UTF-8?q?=E4=BF=AE=E6=94=B9Excel=E5=B7=A5=E5=85=B7?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- pom.xml | 5 + .../muyu/common/core/utils/ServletUtils.java | 6 +- .../common/core/utils/poi/ExcelUtils.java | 810 ------------------ 3 files changed, 10 insertions(+), 811 deletions(-) delete mode 100644 src/main/java/com/muyu/common/core/utils/poi/ExcelUtils.java diff --git a/pom.xml b/pom.xml index 12c112c..4b023d5 100644 --- a/pom.xml +++ b/pom.xml @@ -117,6 +117,11 @@ org.apache.poi poi-ooxml + + com.alibaba + easyexcel + 2.2.10 + diff --git a/src/main/java/com/muyu/common/core/utils/ServletUtils.java b/src/main/java/com/muyu/common/core/utils/ServletUtils.java index 9a50531..31c5837 100644 --- a/src/main/java/com/muyu/common/core/utils/ServletUtils.java +++ b/src/main/java/com/muyu/common/core/utils/ServletUtils.java @@ -226,7 +226,11 @@ public class ServletUtils { * @return 解码后的内容 */ public static String urlDecode (String str) { - return URLDecoder.decode(str, StandardCharsets.UTF_8); + try { + return URLDecoder.decode(str, String.valueOf(StandardCharsets.UTF_8)); + } catch (UnsupportedEncodingException e) { + throw new RuntimeException(e); + } } /** diff --git a/src/main/java/com/muyu/common/core/utils/poi/ExcelUtils.java b/src/main/java/com/muyu/common/core/utils/poi/ExcelUtils.java deleted file mode 100644 index 41ce85a..0000000 --- a/src/main/java/com/muyu/common/core/utils/poi/ExcelUtils.java +++ /dev/null @@ -1,810 +0,0 @@ -package com.muyu.common.core.utils.poi; - - - -import com.muyu.common.core.annotation.Excel; -import com.muyu.common.core.annotation.Excel.ColumnType; -import com.muyu.common.core.annotation.Excel.Type; -import com.muyu.common.core.annotation.Excels; -import com.muyu.common.core.exception.UtilException; -import com.muyu.common.core.text.Convert; -import com.muyu.common.core.utils.DateUtils; -import com.muyu.common.core.utils.SpringUtils; -import com.muyu.common.core.utils.StringUtils; -import com.muyu.common.core.utils.file.FileTypeUtils; -import com.muyu.common.core.utils.file.ImageUtils; -import com.muyu.common.core.utils.reflect.ReflectUtils; -import lombok.extern.log4j.Log4j2; -import org.apache.commons.lang3.ArrayUtils; -import org.apache.commons.lang3.RegExUtils; -import org.apache.commons.lang3.reflect.FieldUtils; -import org.apache.poi.hssf.usermodel.HSSFDateUtil; -import org.apache.poi.ss.usermodel.*; -import org.apache.poi.ss.util.CellRangeAddress; -import org.apache.poi.ss.util.CellRangeAddressList; -import org.apache.poi.util.IOUtils; -import org.apache.poi.xssf.streaming.SXSSFWorkbook; -import org.apache.poi.xssf.usermodel.XSSFClientAnchor; -import org.apache.poi.xssf.usermodel.XSSFDataValidation; -import org.slf4j.Logger; -import org.slf4j.LoggerFactory; - -import jakarta.servlet.http.HttpServletResponse; -import org.springframework.web.multipart.MultipartFile; - -import java.io.*; -import java.lang.reflect.Field; -import java.lang.reflect.Method; -import java.lang.reflect.ParameterizedType; -import java.math.BigDecimal; -import java.text.DecimalFormat; -import java.time.LocalDate; -import java.time.LocalDateTime; -import java.util.*; -import java.util.stream.Collectors; - -/** - * Excel相关处理 - */ -@Log4j2 -public class ExcelUtils -{ - - /** - * Excel sheet最大行数，默认65536 - */ - public static final int SHEET_SIZE = 65536; - - /** - * 工作表名称 - */ - private String sheetName; - - /** - * 导出类型（EXPORT:导出数据；IMPORT：导入模板） - */ - private Type type; - - /** - * 工作薄对象 - */ - private Workbook wb; - - /** - * 工作表对象 - */ - private Sheet sheet; - - /** - * 样式列表 - */ - private Map styles; - - /** - * 导入导出数据列表 - */ - private List list; - - /** - * 注解列表 - */ - private List fields; - - /** - * 实体对象 - */ - public Class clazz; - - public ExcelUtils(Class clazz) { - this.clazz = clazz; - } - - public void init(List list, String sheetName, Type type) { - if (list == null) { - list = new ArrayList<>(); - } - this.list = list; - this.sheetName = sheetName; - this.type = type; - createExcelField(); - createWorkbook(); - } - - /** - * 导入Excel 文件 - * 对excel表单默认第一个索引名转换成list - * - * @param file 导入的文件 - * @return 转换后集合 - */ - public List importExcel(MultipartFile file) throws Exception { - return importExcel(StringUtils.EMPTY, file); - } - - /** - * 对excel表单指定表格索引名转换成list - * - * @param sheetName 表格索引名 - * @param file 导入的文件 - * @return 转换后集合 - */ - public List importExcel(String sheetName,MultipartFile file) throws Exception { - InputStream is = file.getInputStream(); - this.type = Type.IMPORT; - this.wb = WorkbookFactory.create(is); - List list = new ArrayList<>(); - Sheet sheet; - if (StringUtils.isNotEmpty(sheetName)) { - // 如果指定sheet名,则取指定sheet中的内容. - sheet = wb.getSheet(sheetName); - } else { - // 如果传入的sheet名不存在则默认指向第1个sheet. - sheet = wb.getSheetAt(0); - } - - if (sheet == null) { - throw new IOException("文件sheet不存在"); - } - - int rows = sheet.getPhysicalNumberOfRows(); - - if (rows > 0) { - // 定义一个map用于存放excel列的序号和field. - Map cellMap = new HashMap<>(); - // 获取表头 - Row heard = sheet.getRow(0); - for (int i = 0; i < heard.getPhysicalNumberOfCells(); i++) { - Cell cell = heard.getCell(i); - if (cell != null) { - String value = this.getCellValue(heard, i).toString(); - cellMap.put(value, i); - } - else { - cellMap.put(null, i); - } - } - // 有数据时才处理 得到类的所有field. - Field[] allFields = clazz.getDeclaredFields(); - // 定义一个map用于存放列的序号和field. - Map fieldsMap = new HashMap<>(); - for (Field field : allFields) { - Excel attr = field.getAnnotation(Excel.class); - if (attr != null && (attr.type() == Type.ALL || attr.type() == type)) { - // 设置类的私有字段属性可访问. - field.setAccessible(true); - Integer column = cellMap.get(attr.name()); - - //模板名称检测 - if(column == null){ - System.out.println("模板错误:Excel表头和项目里面设置的表头["+attr.name()+"]不一致,请检查!"); - return new ArrayList<>(); - } - - fieldsMap.put(column, field); - } - } - for (int i = 1; i < rows; i++) { - // 从第2行开始取数据,默认第一行是表头. - Row row = sheet.getRow(i); - T entity = null; - for (Map.Entry entry : fieldsMap.entrySet()) { - if (entry.getKey() == null){ - continue; - } - Object val = this.getCellValue(row, entry.getKey()); - - // 如果不存在实例则新建. - entity = (entity == null ? clazz.newInstance() : entity); - // 从map中得到对应列的field. - Field field = fieldsMap.get(entry.getKey()); - // 取得类型,并根据对象类型设置值. - Class fieldType = field.getType(); - if (String.class == fieldType) { - String s = Convert.toStr(val); - if (StringUtils.endsWith(s, ".0")) { - val = StringUtils.substringBefore(s, ".0"); - } else { - String dateFormat = field.getAnnotation(Excel.class).dateFormat(); - if (StringUtils.isNotEmpty(dateFormat)) { - val = DateUtils.parseDateToStr(dateFormat, (Date) val); - } else { - val = Convert.toStr(val); - } - } - } else if ((Integer.TYPE == fieldType) || (Integer.class == fieldType)) { - val = Convert.toInt(val); - } else if ((Long.TYPE == fieldType) || (Long.class == fieldType)) { - val = Convert.toLong(val); - } else if ((Double.TYPE == fieldType) || (Double.class == fieldType)) { - val = Convert.toDouble(val); - } else if ((Float.TYPE == fieldType) || (Float.class == fieldType)) { - val = Convert.toFloat(val); - } else if (BigDecimal.class == fieldType) { - val = Convert.toBigDecimal(val); - } else if (Date.class == fieldType) { - if (val instanceof String) { - val = DateUtils.parseDate(val); - } else if (val instanceof Double) { - val = DateUtil.getJavaDate((Double) val); - } - } - //模板检测判断 - if (val==null){ - System.out.println("模板错误：第"+(i+1)+"行,第"+(entry.getKey()+1)+"列，Excel的数据格式和数据库格式不一致！"); - return new ArrayList<>(); - } - - Excel attr = field.getAnnotation(Excel.class); - String propertyName = field.getName(); - if (StringUtils.isNotEmpty(attr.targetAttr())) { - propertyName = field.getName() + "." + attr.targetAttr(); - } else if (StringUtils.isNotEmpty(attr.readConverterExp())) { - val = reverseByExp(String.valueOf(val), attr.readConverterExp()); - } - ReflectUtils.invokeSetter(entity, propertyName, val); - } - list.add(entity); - } - } - return list; - } - - - /** - * 对list数据源将其里面的数据导入到excel表单 - * - * @param response 返回数据 - * @param list 导出数据集合 - * @param sheetName 工作表的名称 - */ - public void exportExcel(HttpServletResponse response, List list, String sheetName){ - response.setContentType("application/vnd.openxmlformats-officedocument.spreadsheetml.sheet"); - response.setCharacterEncoding("utf-8"); - this.init(list, sheetName, Type.EXPORT); - writeSheet(); - exportExcel(response); - } - - /** - * 对list数据源将其里面的数据导入到excel表单 - */ - public void exportExcel(HttpServletResponse response){ - try{ - wb.write(response.getOutputStream()); - } catch (Exception e){ - log.error("导出Excel异常{}", e.getMessage()); - } finally { - IOUtils.closeQuietly(wb); - } - } - - /** - * 对list数据源将其里面的数据导入到excel表单 - * - * @param list 导出数据集合 - * @param sheetName 工作表的名称 - * @return 结果 - */ - public String exportExcel(List list, String sheetName) { - this.init(list, sheetName, Type.EXPORT); - return exportExcel(); - } - - /** - * 对list数据源将其里面的数据导入到excel表单 - * - * @param sheetName 工作表的名称 - * @return 结果 - */ - public String importTemplateExcel(String sheetName) { - this.init(null, sheetName, Type.IMPORT); - return exportExcel(); - } - - /** - * 写入sheet数据 - */ - public void writeSheet(){ - // 取出一共有多少个sheet. - double sheetNo = Math.ceil(list.size() / SHEET_SIZE); - for (int index = 0; index <= sheetNo; index++) { - createSheet(sheetNo, index); - - // 产生一行 - Row row = sheet.createRow(0); - int column = 0; - // 写入各个字段的列头名称 - for (Object[] os : fields) { - Excel excel = (Excel) os[1]; - this.createCell(excel, row, column++); - } - if (Type.EXPORT.equals(type)) { - fillExcelData(index, row); - } - } - } - - /** - * 对list数据源将其里面的数据导入到excel表单 - * - * @return 结果 - */ - public String exportExcel() { - OutputStream out = null; - try { - writeSheet(); - String filename = encodingFilename(sheetName); - out = new FileOutputStream(getAbsoluteFile(filename)); - wb.write(out); - return filename; - } catch (Exception e) { - log.error("导出Excel异常{}", e.getMessage()); - e.printStackTrace(); - } finally { - try { - if (wb != null) { - wb.close(); - } - if (out != null) { - out.close(); - } - } catch (IOException e1) { - e1.printStackTrace(); - } - } - return ""; - } - - /** - * 填充excel数据 - * - * @param index 序号 - * @param row 单元格行 - */ - public void fillExcelData(int index, Row row) { - int startNo = index * SHEET_SIZE; - int endNo = Math.min(startNo + SHEET_SIZE, list.size()); - for (int i = startNo; i < endNo; i++) { - row = sheet.createRow(i + 1 - startNo); - // 得到导出对象. - T vo = (T) list.get(i); - int column = 0; - for (Object[] os : fields) { - Field field = (Field) os[0]; - Excel excel = (Excel) os[1]; - // 设置实体类私有属性可访问 - field.setAccessible(true); - this.addCell(excel, row, vo, field, column++); - } - } - } - - /** - * 创建表格样式 - * - * @param wb 工作薄对象 - * @return 样式列表 - */ - private Map createStyles(Workbook wb) { - // 写入各条记录,每条记录对应excel表中的一行 - Map styles = new HashMap(); - CellStyle style = wb.createCellStyle(); - style.setAlignment(HorizontalAlignment.CENTER); - style.setVerticalAlignment(VerticalAlignment.CENTER); - style.setBorderRight(BorderStyle.THIN); - style.setRightBorderColor(IndexedColors.GREY_50_PERCENT.getIndex()); - style.setBorderLeft(BorderStyle.THIN); - style.setLeftBorderColor(IndexedColors.GREY_50_PERCENT.getIndex()); - style.setBorderTop(BorderStyle.THIN); - style.setTopBorderColor(IndexedColors.GREY_50_PERCENT.getIndex()); - style.setBorderBottom(BorderStyle.THIN); - style.setBottomBorderColor(IndexedColors.GREY_50_PERCENT.getIndex()); - Font dataFont = wb.createFont(); - dataFont.setFontName("Arial"); - dataFont.setFontHeightInPoints((short) 10); - style.setFont(dataFont); - styles.put("data", style); - - style = wb.createCellStyle(); - style.cloneStyleFrom(styles.get("data")); - style.setAlignment(HorizontalAlignment.CENTER); - style.setVerticalAlignment(VerticalAlignment.CENTER); - style.setFillForegroundColor(IndexedColors.GREY_50_PERCENT.getIndex()); - style.setFillPattern(FillPatternType.SOLID_FOREGROUND); - Font headerFont = wb.createFont(); - headerFont.setFontName("Arial"); - headerFont.setFontHeightInPoints((short) 10); - headerFont.setBold(true); - headerFont.setColor(IndexedColors.WHITE.getIndex()); - style.setFont(headerFont); - styles.put("header", style); - - return styles; - } - - /** - * 创建单元格 - */ - public Cell createCell(Excel attr, Row row, int column) { - // 创建列 - Cell cell = row.createCell(column); - // 写入列信息 - cell.setCellValue(attr.name()); - setDataValidation(attr, row, column); - cell.setCellStyle(styles.get("header")); - return cell; - } - - /** - * 设置单元格信息 - * - * @param value 单元格值 - * @param attr 注解相关 - * @param cell 单元格信息 - */ - public void setCellVo(Object value, Excel attr, Cell cell) { - if (Excel.ColumnType.STRING == attr.cellType()) { - cell.setCellType(CellType.NUMERIC); - cell.setCellValue(value == null ? attr.defaultValue() : value + attr.suffix()); - } else if (Excel.ColumnType.NUMERIC == attr.cellType()) { - cell.setCellType(CellType.NUMERIC); - cell.setCellValue(Integer.parseInt(value + "")); - } - } - - /** - * 创建表格样式 - */ - public void setDataValidation(Excel attr, Row row, int column) { - if (attr.name().indexOf("注：") >= 0) { - sheet.setColumnWidth(column, 6000); - } else { - // 设置列宽 - sheet.setColumnWidth(column, (int) ((attr.width() + 0.72) * 256)); - row.setHeight((short) (attr.height() * 20)); - } - // 如果设置了提示信息则鼠标放上去提示. - if (StringUtils.isNotEmpty(attr.prompt())) { - // 这里默认设了2-101列提示. - setXSSFPrompt(sheet, "", attr.prompt(), 1, 100, column, column); - } - // 如果设置了combo属性则本列只能选择不能输入 - if (attr.combo().length > 0) { - // 这里默认设了2-101列只能选择不能输入. - setXSSFValidation(sheet, attr.combo(), 1, 100, column, column); - } - } - - /** - * 添加单元格 - */ - public Cell addCell(Excel attr, Row row, T vo, Field field, int column) { - Cell cell = null; - try { - // 设置行高 - row.setHeight((short) (attr.height() * 20)); - // 根据Excel中设置情况决定是否导出,有些情况需要保持为空,希望用户填写这一列. - if (attr.isExport()) { - // 创建cell - cell = row.createCell(column); - cell.setCellStyle(styles.get("data")); - - // 用于读取对象中的属性 - Object value = getTargetValue(vo, field, attr); - //时间类型格式化 - String dateFormat = attr.dateFormat(); - //读取表达式 - String readConverterExp = attr.readConverterExp(); - //分隔符 - String splitStr = attr.separator(); - //反射对象 - Class invokeClass = attr.invokeClass(); - //反射方法名称 - String invokeMethod = attr.invokeMethod(); - if (StringUtils.isNotEmpty(dateFormat) && value != null) { - cell.setCellValue(DateUtils.parseDateToStr(dateFormat, (Date) value)); - } else if (StringUtils.isNotEmpty(readConverterExp) && value != null) { - // 判断是否有分隔符 - if (StringUtils.isNotEmpty(splitStr)){ - StringBuilder cellValue = new StringBuilder(); - String valueStr = String.valueOf(value); - String[] valueStrSplit = valueStr.split(splitStr); - int valueStrSplitLength = valueStrSplit.length; - for (int i = 0; ; i++) { - cellValue.append(convertByExp(valueStrSplit[i], readConverterExp)); - if (i == valueStrSplitLength-1){ - break; - } - cellValue.append(","); - } - cell.setCellValue(cellValue.toString()); - } else { - cell.setCellValue(convertByExp(String.valueOf(value), readConverterExp)); - } - - } - // 判断是否需要取值 - else if((!invokeClass.getName().equals(String.class.getName())) && StringUtils.isNotEmpty(invokeMethod)){ - Object bean = SpringUtils.getBean(invokeClass); - Method thisMethod = null; - Method[] methods = invokeClass.getMethods(); - for (Method method : methods) { - if (method.getName().equals(invokeMethod)){ - thisMethod = method; - continue; - } - } - cell.setCellValue(thisMethod.invoke(bean,value).toString()); - } else { - // 设置列类型 - setCellVo(value, attr, cell); - } - } - } catch (Exception e) { - log.error("导出Excel失败{}", e); - } - return cell; - } - - /** - * 设置 POI XSSFSheet 单元格提示 - * - * @param sheet 表单 - * @param promptTitle 提示标题 - * @param promptContent 提示内容 - * @param firstRow 开始行 - * @param endRow 结束行 - * @param firstCol 开始列 - * @param endCol 结束列 - */ - public void setXSSFPrompt(Sheet sheet, String promptTitle, String promptContent, int firstRow, int endRow, - int firstCol, int endCol) { - DataValidationHelper helper = sheet.getDataValidationHelper(); - DataValidationConstraint constraint = helper.createCustomConstraint("DD1"); - CellRangeAddressList regions = new CellRangeAddressList(firstRow, endRow, firstCol, endCol); - DataValidation dataValidation = helper.createValidation(constraint, regions); - dataValidation.createPromptBox(promptTitle, promptContent); - dataValidation.setShowPromptBox(true); - sheet.addValidationData(dataValidation); - } - - /** - * 设置某些列的值只能输入预制的数据,显示下拉框. - * - * @param sheet 要设置的sheet. - * @param textlist 下拉框显示的内容 - * @param firstRow 开始行 - * @param endRow 结束行 - * @param firstCol 开始列 - * @param endCol 结束列 - * @return 设置好的sheet. - */ - public void setXSSFValidation(Sheet sheet, String[] textlist, int firstRow, int endRow, int firstCol, int endCol) { - DataValidationHelper helper = sheet.getDataValidationHelper(); - // 加载下拉列表内容 - DataValidationConstraint constraint = helper.createExplicitListConstraint(textlist); - // 设置数据有效性加载在哪个单元格上,四个参数分别是：起始行、终止行、起始列、终止列 - CellRangeAddressList regions = new CellRangeAddressList(firstRow, endRow, firstCol, endCol); - // 数据有效性对象 - DataValidation dataValidation = helper.createValidation(constraint, regions); - // 处理Excel兼容性问题 - if (dataValidation instanceof XSSFDataValidation) { - dataValidation.setSuppressDropDownArrow(true); - dataValidation.setShowErrorBox(true); - } else { - dataValidation.setSuppressDropDownArrow(false); - } - - sheet.addValidationData(dataValidation); - } - - /** - * 解析导出值 0=男,1=女,2=未知 - * - * @param propertyValue 参数值 - * @param converterExp 翻译注解 - * @return 解析后值 - * @throws Exception - */ - public static String convertByExp(String propertyValue, String converterExp) throws Exception { - try { - String[] convertSource = converterExp.split(","); - for (String item : convertSource) { - String[] itemArray = item.split("="); - if (itemArray[0].equals(propertyValue)) { - return itemArray[1]; - } - } - } catch (Exception e) { - throw e; - } - return propertyValue; - } - - /** - * 反向解析值 男=0,女=1,未知=2 - * - * @param propertyValue 参数值 - * @param converterExp 翻译注解 - * @return 解析后值 - * @throws Exception - */ - public static String reverseByExp(String propertyValue, String converterExp) throws Exception { - try { - String[] convertSource = converterExp.split(","); - for (String item : convertSource) { - String[] itemArray = item.split("="); - if (itemArray[1].equals(propertyValue)) { - return itemArray[0]; - } - } - } catch (Exception e) { - throw e; - } - return propertyValue; - } - - /** - * 编码文件名 - */ - public String encodingFilename(String filename) { - filename = UUID.randomUUID().toString() + "_" + filename + ".xlsx"; - return filename; - } - - /** - * 获取下载路径 - * - * @param filename 文件名称 - */ - public String getAbsoluteFile(String filename) { - String downloadPath = System.getProperty("user.dir") + File.separator + filename; - File desc = new File(downloadPath); - if (!desc.getParentFile().exists()) { - desc.getParentFile().mkdirs(); - } - return downloadPath; - } - - /** - * 获取bean中的属性值 - * - * @param vo 实体对象 - * @param field 字段 - * @param excel 注解 - * @return 最终的属性值 - * @throws Exception - */ - private Object getTargetValue(T vo, Field field, Excel excel) throws Exception { - Object o = field.get(vo); - if (StringUtils.isNotEmpty(excel.targetAttr())) { - String target = excel.targetAttr(); - if (target.indexOf(".") > -1) { - String[] targets = target.split("[.]"); - for (String name : targets) { - o = getValue(o, name); - } - } else { - o = getValue(o, target); - } - } - return o; - } - - /** - * 以类的属性的get方法方法形式获取值 - * - * @param o - * @param name - * @return value - * @throws Exception - */ - private Object getValue(Object o, String name) throws Exception { - if (StringUtils.isNotEmpty(name)) { - Class clazz = o.getClass(); - String methodName = "get" + name.substring(0, 1).toUpperCase() + name.substring(1); - Method method = clazz.getMethod(methodName); - o = method.invoke(o); - } - return o; - } - - /** - * 得到所有定义字段 - */ - private void createExcelField() { - this.fields = new ArrayList<>(); - List tempFields = new ArrayList<>(); - tempFields.addAll(Arrays.asList(clazz.getSuperclass().getDeclaredFields())); - tempFields.addAll(Arrays.asList(clazz.getDeclaredFields())); - for (Field field : tempFields) { - // 单注解 - if (field.isAnnotationPresent(Excel.class)) { - putToField(field, field.getAnnotation(Excel.class)); - } - - // 多注解 - if (field.isAnnotationPresent(Excels.class)) { - Excels attrs = field.getAnnotation(Excels.class); - Excel[] excels = attrs.value(); - for (Excel excel : excels) { - putToField(field, excel); - } - } - } - } - - /** - * 放到字段集合中 - */ - private void putToField(Field field, Excel attr) { - if (attr != null && (attr.type() == Type.ALL || attr.type() == type)) { - this.fields.add(new Object[] { field, attr }); - } - } - - /** - * 创建一个工作簿 - */ - public void createWorkbook() { - this.wb = new SXSSFWorkbook(500); - } - - /** - * 创建工作表 - * - * @param sheetNo sheet数量 - * @param index 序号 - */ - public void createSheet(double sheetNo, int index) { - this.sheet = wb.createSheet(); - this.styles = createStyles(wb); - // 设置工作表的名称. - if (sheetNo == 0) { - wb.setSheetName(index, sheetName); - } else { - wb.setSheetName(index, sheetName + index); - } - } - - /** - * 获取单元格值 - * - * @param row 获取的行 - * @param column 获取单元格列号 - * @return 单元格值 - */ - public Object getCellValue(Row row, int column) { - if (row == null) { - return row; - } - Object val = ""; - try { - Cell cell = row.getCell(column); - if (cell != null) { - if (cell.getCellTypeEnum() == CellType.NUMERIC || cell.getCellTypeEnum() == CellType.FORMULA) { - val = cell.getNumericCellValue(); - if (HSSFDateUtil.isCellDateFormatted(cell)) { - val = DateUtil.getJavaDate((Double) val); // POI Excel 日期格式转换 - } else { - if ((Double) val % 1 > 0) { - val = new DecimalFormat("0.00").format(val); - } else { - val = new DecimalFormat("0").format(val); - } - } - } else if (cell.getCellTypeEnum() == CellType.STRING) { - val = cell.getStringCellValue(); - } else if (cell.getCellTypeEnum() == CellType.BOOLEAN) { - val = cell.getBooleanCellValue(); - } else if (cell.getCellTypeEnum() == CellType.ERROR) { - val = cell.getErrorCellValue(); - } - - } - } catch (Exception e) { - return val; - } - return val; - } -}