From ea0173bced39180d9fba199d1d1a15ce9cd9ff47 Mon Sep 17 00:00:00 2001 From: "382696293@qq.com" <382696293@qq.com> Date: Wed, 27 Dec 2023 16:06:08 +0800 Subject: [PATCH] =?UTF-8?q?=E5=AF=BC=E5=87=BA=E5=B7=A5=E5=85=B7=E7=B1=BB?= =?UTF-8?q?=E5=A2=9E=E5=8A=A0=E6=8C=87=E5=AE=9A=E5=AD=97=E6=AE=B5=E5=AF=BC?= =?UTF-8?q?=E5=87=BA=E5=8A=9F=E8=83=BD?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- .../common/core/utils/poi/ExcelUtil.java | 764 +++++++----------- 1 file changed, 271 insertions(+), 493 deletions(-) diff --git a/flossom-common/flossom-common-core/src/main/java/com/flossom/common/core/utils/poi/ExcelUtil.java b/flossom-common/flossom-common-core/src/main/java/com/flossom/common/core/utils/poi/ExcelUtil.java index 8c5dffc..abbf14c 100644 --- a/flossom-common/flossom-common-core/src/main/java/com/flossom/common/core/utils/poi/ExcelUtil.java +++ b/flossom-common/flossom-common-core/src/main/java/com/flossom/common/core/utils/poi/ExcelUtil.java @@ -9,15 +9,7 @@ import java.math.BigDecimal; import java.text.DecimalFormat; import java.time.LocalDate; import java.time.LocalDateTime; -import java.util.ArrayList; -import java.util.Arrays; -import java.util.Collection; -import java.util.Comparator; -import java.util.Date; -import java.util.HashMap; -import java.util.List; -import java.util.Map; -import java.util.Set; +import java.util.*; import java.util.stream.Collectors; import javax.servlet.http.HttpServletResponse; @@ -67,13 +59,12 @@ import com.flossom.common.core.utils.file.ImageUtils; * * @author flossom */ -public class ExcelUtil -{ +public class ExcelUtil { private static final Logger log = LoggerFactory.getLogger(ExcelUtil.class); public static final String FORMULA_REGEX_STR = "=|-|\\+|@"; - public static final String[] FORMULA_STR = { "=", "-", "+", "@" }; + public static final String[] FORMULA_STR = {"=", "-", "+", "@"}; /** * Excel sheet最大行数，默认65536 @@ -170,8 +161,12 @@ public class ExcelUtil */ public String[] excludeFields; - public ExcelUtil(Class clazz) - { + /** + * 指定导出字段 + */ + private List exportFields; + + public ExcelUtil(Class clazz) { this.clazz = clazz; } @@ -181,15 +176,12 @@ public class ExcelUtil * @param fields 列属性名 示例[单个"name"/多个"id","name"] * @throws Exception */ - public void hideColumn(String... fields) - { + public void hideColumn(String... fields) { this.excludeFields = fields; } - public void init(List list, String sheetName, String title, Excel.Type type) - { - if (list == null) - { + public void init(List list, String sheetName, String title, Excel.Type type) { + if (list == null) { list = new ArrayList(); } this.list = list; @@ -205,15 +197,12 @@ public class ExcelUtil /** * 创建excel第一行标题 */ - public void createTitle() - { - if (StringUtils.isNotEmpty(title)) - { + public void createTitle() { + if (StringUtils.isNotEmpty(title)) { subMergedFirstRowNum++; subMergedLastRowNum++; int titleLastCol = this.fields.size() - 1; - if (isSubList()) - { + if (isSubList()) { titleLastCol = titleLastCol + subFields.size() - 1; } Row titleRow = sheet.createRow(rownum == 0 ? rownum++ : 0); @@ -228,16 +217,13 @@ public class ExcelUtil /** * 创建对象的子列表名称 */ - public void createSubHead() - { - if (isSubList()) - { + public void createSubHead() { + if (isSubList()) { subMergedFirstRowNum++; subMergedLastRowNum++; Row subRow = sheet.createRow(rownum); int excelNum = 0; - for (Object[] objects : fields) - { + for (Object[] objects : fields) { Excel attr = (Excel) objects[1]; Cell headCell1 = subRow.createCell(excelNum); headCell1.setCellValue(attr.name()); @@ -246,8 +232,7 @@ public class ExcelUtil } int headFirstRow = excelNum - 1; int headLastRow = headFirstRow + subFields.size() - 1; - if (headLastRow > headFirstRow) - { + if (headLastRow > headFirstRow) { sheet.addMergedRegion(new CellRangeAddress(rownum, rownum, headFirstRow, headLastRow)); } rownum++; @@ -260,20 +245,14 @@ public class ExcelUtil * @param is 输入流 * @return 转换后集合 */ - public List importExcel(InputStream is) - { + public List importExcel(InputStream is) { List list = null; - try - { + try { list = importExcel(is, 0); - } - catch (Exception e) - { + } catch (Exception e) { log.error("导入Excel异常{}", e.getMessage()); throw new UtilException(e.getMessage()); - } - finally - { + } finally { IOUtils.closeQuietly(is); } return list; @@ -282,12 +261,11 @@ public class ExcelUtil /** * 对excel表单默认第一个索引名转换成list * - * @param is 输入流 + * @param is 输入流 * @param titleNum 标题占用行数 * @return 转换后集合 */ - public List importExcel(InputStream is, int titleNum) throws Exception - { + public List importExcel(InputStream is, int titleNum) throws Exception { return importExcel(StringUtils.EMPTY, is, titleNum); } @@ -295,67 +273,55 @@ public class ExcelUtil * 对excel表单指定表格索引名转换成list * * @param sheetName 表格索引名 - * @param titleNum 标题占用行数 - * @param is 输入流 + * @param titleNum 标题占用行数 + * @param is 输入流 * @return 转换后集合 */ - public List importExcel(String sheetName, InputStream is, int titleNum) throws Exception - { + public List importExcel(String sheetName, InputStream is, int titleNum) throws Exception { this.type = Excel.Type.IMPORT; this.wb = WorkbookFactory.create(is); List list = new ArrayList(); // 如果指定sheet名,则取指定sheet中的内容 否则默认指向第1个sheet Sheet sheet = StringUtils.isNotEmpty(sheetName) ? wb.getSheet(sheetName) : wb.getSheetAt(0); - if (sheet == null) - { + if (sheet == null) { throw new IOException("文件sheet不存在"); } // 获取最后一个非空行的行下标，比如总行数为n，则返回的为n-1 int rows = sheet.getLastRowNum(); - if (rows > 0) - { + 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(titleNum); - for (int i = 0; i < heard.getPhysicalNumberOfCells(); i++) - { + for (int i = 0; i < heard.getPhysicalNumberOfCells(); i++) { Cell cell = heard.getCell(i); - if (StringUtils.isNotNull(cell)) - { + if (StringUtils.isNotNull(cell)) { String value = this.getCellValue(heard, i).toString(); cellMap.put(value, i); - } - else - { + } else { cellMap.put(null, i); } } // 有数据时才处理 得到类的所有field. List fields = this.getFields(); Map fieldsMap = new HashMap(); - for (Object[] objects : fields) - { + for (Object[] objects : fields) { Excel attr = (Excel) objects[1]; Integer column = cellMap.get(attr.name()); - if (column != null) - { + if (column != null) { fieldsMap.put(column, objects); } } - for (int i = titleNum + 1; i <= rows; i++) - { + for (int i = titleNum + 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); // 判断当前行是否是空行 - if (isRowEmpty(row)) - { + if (isRowEmpty(row)) { continue; } T entity = null; - for (Map.Entry entry : fieldsMap.entrySet()) - { + for (Map.Entry entry : fieldsMap.entrySet()) { Object val = this.getCellValue(row, entry.getKey()); // 如果不存在实例则新建. @@ -365,74 +331,45 @@ public class ExcelUtil Excel attr = (Excel) entry.getValue()[1]; // 取得类型,并根据对象类型设置值. Class fieldType = field.getType(); - if (String.class == fieldType) - { + if (String.class == fieldType) { String s = Convert.toStr(val); - if (StringUtils.endsWith(s, ".0")) - { + if (StringUtils.endsWith(s, ".0")) { val = StringUtils.substringBefore(s, ".0"); - } - else - { + } else { String dateFormat = field.getAnnotation(Excel.class).dateFormat(); - if (StringUtils.isNotEmpty(dateFormat)) - { + if (StringUtils.isNotEmpty(dateFormat)) { val = parseDateToStr(dateFormat, val); - } - else - { + } else { val = Convert.toStr(val); } } - } - else if ((Integer.TYPE == fieldType || Integer.class == fieldType) && StringUtils.isNumeric(Convert.toStr(val))) - { + } else if ((Integer.TYPE == fieldType || Integer.class == fieldType) && StringUtils.isNumeric(Convert.toStr(val))) { val = Convert.toInt(val); - } - else if ((Long.TYPE == fieldType || Long.class == fieldType) && StringUtils.isNumeric(Convert.toStr(val))) - { + } else if ((Long.TYPE == fieldType || Long.class == fieldType) && StringUtils.isNumeric(Convert.toStr(val))) { val = Convert.toLong(val); - } - else if (Double.TYPE == fieldType || Double.class == fieldType) - { + } else if (Double.TYPE == fieldType || Double.class == fieldType) { val = Convert.toDouble(val); - } - else if (Float.TYPE == fieldType || Float.class == fieldType) - { + } else if (Float.TYPE == fieldType || Float.class == fieldType) { val = Convert.toFloat(val); - } - else if (BigDecimal.class == fieldType) - { + } else if (BigDecimal.class == fieldType) { val = Convert.toBigDecimal(val); - } - else if (Date.class == fieldType) - { - if (val instanceof String) - { + } else if (Date.class == fieldType) { + if (val instanceof String) { val = DateUtils.parseDate(val); - } - else if (val instanceof Double) - { + } else if (val instanceof Double) { val = DateUtil.getJavaDate((Double) val); } - } - else if (Boolean.TYPE == fieldType || Boolean.class == fieldType) - { + } else if (Boolean.TYPE == fieldType || Boolean.class == fieldType) { val = Convert.toBool(val, false); } - if (StringUtils.isNotNull(fieldType)) - { + if (StringUtils.isNotNull(fieldType)) { String propertyName = field.getName(); - if (StringUtils.isNotEmpty(attr.targetAttr())) - { + if (StringUtils.isNotEmpty(attr.targetAttr())) { propertyName = field.getName() + "." + attr.targetAttr(); } - if (StringUtils.isNotEmpty(attr.readConverterExp())) - { + if (StringUtils.isNotEmpty(attr.readConverterExp())) { val = reverseByExp(Convert.toStr(val), attr.readConverterExp(), attr.separator()); - } - else if (!attr.handler().equals(ExcelHandlerAdapter.class)) - { + } else if (!attr.handler().equals(ExcelHandlerAdapter.class)) { val = dataFormatHandlerAdapter(val, attr, null); } ReflectUtils.invokeSetter(entity, propertyName, val); @@ -447,27 +384,40 @@ public class ExcelUtil /** * 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 response 返回数据 + * @param list 导出数据集合 * @param sheetName 工作表的名称 * @return 结果 */ - public void exportExcel(HttpServletResponse response, List list, String sheetName) - { + public void exportExcel(HttpServletResponse response, List list, String sheetName) { + exportExcel(response, list, sheetName, StringUtils.EMPTY); + } + + /** + * 对list数据源将其里面的数据导入到excel表单(指定导出字段) + * 当指定导出字段时，只按照指定的字段将数据导出。 + * + * @param response 返回数据 + * @param list 导出数据集合 + * @param sheetName 工作表的名称 + * @param exportFields 指定导出字段 + * @return 结果 + */ + public void exportExcel(HttpServletResponse response, List list, String sheetName, List exportFields) { + this.exportFields = exportFields; exportExcel(response, list, sheetName, StringUtils.EMPTY); } /** * 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 response 返回数据 + * @param list 导出数据集合 * @param sheetName 工作表的名称 - * @param title 标题 + * @param title 标题 * @return 结果 */ - public void exportExcel(HttpServletResponse response, List list, String sheetName, String title) - { + public void exportExcel(HttpServletResponse response, List list, String sheetName, String title) { response.setContentType("application/vnd.openxmlformats-officedocument.spreadsheetml.sheet"); response.setCharacterEncoding("utf-8"); this.init(list, sheetName, title, Excel.Type.EXPORT); @@ -480,8 +430,7 @@ public class ExcelUtil * @param sheetName 工作表的名称 * @return 结果 */ - public void importTemplateExcel(HttpServletResponse response, String sheetName) - { + public void importTemplateExcel(HttpServletResponse response, String sheetName) { importTemplateExcel(response, sheetName, StringUtils.EMPTY); } @@ -489,11 +438,10 @@ public class ExcelUtil * 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 - * @param title 标题 + * @param title 标题 * @return 结果 */ - public void importTemplateExcel(HttpServletResponse response, String sheetName, String title) - { + public void importTemplateExcel(HttpServletResponse response, String sheetName, String title) { response.setContentType("application/vnd.openxmlformats-officedocument.spreadsheetml.sheet"); response.setCharacterEncoding("utf-8"); this.init(null, sheetName, title, Excel.Type.IMPORT); @@ -505,19 +453,13 @@ public class ExcelUtil * * @return 结果 */ - public void exportExcel(HttpServletResponse response) - { - try - { + public void exportExcel(HttpServletResponse response) { + try { writeSheet(); wb.write(response.getOutputStream()); - } - catch (Exception e) - { + } catch (Exception e) { log.error("导出Excel异常{}", e.getMessage()); - } - finally - { + } finally { IOUtils.closeQuietly(wb); } } @@ -525,37 +467,29 @@ public class ExcelUtil /** * 创建写入数据到Sheet */ - public void writeSheet() - { + public void writeSheet() { // 取出一共有多少个sheet. int sheetNo = Math.max(1, (int) Math.ceil(list.size() * 1.0 / sheetSize)); - for (int index = 0; index < sheetNo; index++) - { + for (int index = 0; index < sheetNo; index++) { createSheet(sheetNo, index); // 产生一行 Row row = sheet.createRow(rownum); int column = 0; // 写入各个字段的列头名称 - for (Object[] os : fields) - { + for (Object[] os : fields) { Field field = (Field) os[0]; Excel excel = (Excel) os[1]; - if (Collection.class.isAssignableFrom(field.getType())) - { - for (Field subField : subFields) - { + if (Collection.class.isAssignableFrom(field.getType())) { + for (Field subField : subFields) { Excel subExcel = subField.getAnnotation(Excel.class); this.createHeadCell(subExcel, row, column++); } - } - else - { + } else { this.createHeadCell(excel, row, column++); } } - if (Excel.Type.EXPORT.equals(type)) - { + if (Excel.Type.EXPORT.equals(type)) { fillExcelData(index, row); addStatisticsRow(); } @@ -566,55 +500,43 @@ public class ExcelUtil * 填充excel数据 * * @param index 序号 - * @param row 单元格行 + * @param row 单元格行 */ @SuppressWarnings("unchecked") - public void fillExcelData(int index, Row row) - { + public void fillExcelData(int index, Row row) { int startNo = index * sheetSize; int endNo = Math.min(startNo + sheetSize, list.size()); int rowNo = (1 + rownum) - startNo; - for (int i = startNo; i < endNo; i++) - { + for (int i = startNo; i < endNo; i++) { rowNo = isSubList() ? (i > 1 ? rowNo + 1 : rowNo + i) : i + 1 + rownum - startNo; row = sheet.createRow(rowNo); // 得到导出对象. T vo = (T) list.get(i); Collection subList = null; - if (isSubList()) - { - if (isSubListValue(vo)) - { + if (isSubList()) { + if (isSubListValue(vo)) { subList = getListCellValue(vo); subMergedLastRowNum = subMergedLastRowNum + subList.size(); - } - else - { + } else { subMergedFirstRowNum++; subMergedLastRowNum++; } } int column = 0; - for (Object[] os : fields) - { + for (Object[] os : fields) { Field field = (Field) os[0]; Excel excel = (Excel) os[1]; - if (Collection.class.isAssignableFrom(field.getType()) && StringUtils.isNotNull(subList)) - { + if (Collection.class.isAssignableFrom(field.getType()) && StringUtils.isNotNull(subList)) { boolean subFirst = false; - for (Object obj : subList) - { - if (subFirst) - { + for (Object obj : subList) { + if (subFirst) { rowNo++; row = sheet.createRow(rowNo); } List subFields = FieldUtils.getFieldsListWithAnnotation(obj.getClass(), Excel.class); int subIndex = 0; - for (Field subField : subFields) - { - if (subField.isAnnotationPresent(Excel.class)) - { + for (Field subField : subFields) { + if (subField.isAnnotationPresent(Excel.class)) { subField.setAccessible(true); Excel attr = subField.getAnnotation(Excel.class); this.addCell(attr, row, (T) obj, subField, column + subIndex); @@ -624,9 +546,7 @@ public class ExcelUtil subFirst = true; } this.subMergedFirstRowNum = this.subMergedFirstRowNum + subList.size(); - } - else - { + } else { this.addCell(excel, row, vo, field, column++); } } @@ -639,8 +559,7 @@ public class ExcelUtil * @param wb 工作薄对象 * @return 样式列表 */ - private Map createStyles(Workbook wb) - { + 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(); @@ -692,15 +611,12 @@ public class ExcelUtil * @param wb 工作薄对象 * @return 自定义样式列表 */ - private Map annotationHeaderStyles(Workbook wb, Map styles) - { + private Map annotationHeaderStyles(Workbook wb, Map styles) { Map headerStyles = new HashMap(); - for (Object[] os : fields) - { + for (Object[] os : fields) { Excel excel = (Excel) os[1]; String key = StringUtils.format("header_{}_{}", excel.headerColor(), excel.headerBackgroundColor()); - if (!headerStyles.containsKey(key)) - { + if (!headerStyles.containsKey(key)) { CellStyle style = wb.createCellStyle(); style.cloneStyleFrom(styles.get("data")); style.setAlignment(HorizontalAlignment.CENTER); @@ -725,15 +641,12 @@ public class ExcelUtil * @param wb 工作薄对象 * @return 自定义样式列表 */ - private Map annotationDataStyles(Workbook wb) - { + private Map annotationDataStyles(Workbook wb) { Map styles = new HashMap(); - for (Object[] os : fields) - { + for (Object[] os : fields) { Excel excel = (Excel) os[1]; String key = StringUtils.format("data_{}_{}_{}", excel.align(), excel.color(), excel.backgroundColor()); - if (!styles.containsKey(key)) - { + if (!styles.containsKey(key)) { CellStyle style = wb.createCellStyle(); style.setAlignment(excel.align()); style.setVerticalAlignment(VerticalAlignment.CENTER); @@ -761,20 +674,17 @@ public class ExcelUtil /** * 创建单元格 */ - public Cell createHeadCell(Excel attr, Row row, int column) - { + public Cell createHeadCell(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(StringUtils.format("header_{}_{}", attr.headerColor(), attr.headerBackgroundColor()))); - if (isSubList()) - { + if (isSubList()) { // 填充默认样式，防止合并单元格样式失效 sheet.setDefaultColumnStyle(column, styles.get(StringUtils.format("data_{}_{}_{}", attr.align(), attr.color(), attr.backgroundColor()))); - if (attr.needMerge()) - { + if (attr.needMerge()) { sheet.addMergedRegion(new CellRangeAddress(rownum - 1, rownum, column, column)); } } @@ -785,38 +695,28 @@ public class ExcelUtil * 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 + * @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()) - { + public void setCellVo(Object value, Excel attr, Cell cell) { + if (Excel.ColumnType.STRING == attr.cellType()) { String cellValue = Convert.toStr(value); // 对于任何以表达式触发字符 =-+@开头的单元格，直接使用tab字符作为前缀，防止CSV注入。 - if (StringUtils.startsWithAny(cellValue, FORMULA_STR)) - { + if (StringUtils.startsWithAny(cellValue, FORMULA_STR)) { cellValue = RegExUtils.replaceFirst(cellValue, FORMULA_REGEX_STR, "\t$0"); } - if (value instanceof Collection && StringUtils.equals("[]", cellValue)) - { + if (value instanceof Collection && StringUtils.equals("[]", cellValue)) { cellValue = StringUtils.EMPTY; } cell.setCellValue(StringUtils.isNull(cellValue) ? attr.defaultValue() : cellValue + attr.suffix()); - } - else if (Excel.ColumnType.NUMERIC == attr.cellType()) - { - if (StringUtils.isNotNull(value)) - { + } else if (Excel.ColumnType.NUMERIC == attr.cellType()) { + if (StringUtils.isNotNull(value)) { cell.setCellValue(StringUtils.contains(Convert.toStr(value), ".") ? Convert.toDouble(value) : Convert.toInt(value)); } - } - else if (Excel.ColumnType.IMAGE == attr.cellType()) - { + } else if (Excel.ColumnType.IMAGE == attr.cellType()) { ClientAnchor anchor = new XSSFClientAnchor(0, 0, 0, 0, (short) cell.getColumnIndex(), cell.getRow().getRowNum(), (short) (cell.getColumnIndex() + 1), cell.getRow().getRowNum() + 1); String imagePath = Convert.toStr(value); - if (StringUtils.isNotEmpty(imagePath)) - { + if (StringUtils.isNotEmpty(imagePath)) { byte[] data = ImageUtils.getImage(imagePath); getDrawingPatriarch(cell.getSheet()).createPicture(anchor, cell.getSheet().getWorkbook().addPicture(data, getImageType(data))); @@ -827,10 +727,8 @@ public class ExcelUtil /** * 获取画布 */ - public static Drawing getDrawingPatriarch(Sheet sheet) - { - if (sheet.getDrawingPatriarch() == null) - { + public static Drawing getDrawingPatriarch(Sheet sheet) { + if (sheet.getDrawingPatriarch() == null) { sheet.createDrawingPatriarch(); } return sheet.getDrawingPatriarch(); @@ -839,15 +737,11 @@ public class ExcelUtil /** * 获取图片类型,设置图片插入类型 */ - public int getImageType(byte[] value) - { + public int getImageType(byte[] value) { String type = FileTypeUtils.getFileExtendName(value); - if ("JPG".equalsIgnoreCase(type)) - { + if ("JPG".equalsIgnoreCase(type)) { return Workbook.PICTURE_TYPE_JPEG; - } - else if ("PNG".equalsIgnoreCase(type)) - { + } else if ("PNG".equalsIgnoreCase(type)) { return Workbook.PICTURE_TYPE_PNG; } return Workbook.PICTURE_TYPE_JPEG; @@ -856,26 +750,18 @@ public class ExcelUtil /** * 创建表格样式 */ - public void setDataValidation(Excel attr, Row row, int column) - { - if (attr.name().indexOf("注：") >= 0) - { + public void setDataValidation(Excel attr, Row row, int column) { + if (attr.name().indexOf("注：") >= 0) { sheet.setColumnWidth(column, 6000); - } - else - { + } else { // 设置列宽 sheet.setColumnWidth(column, (int) ((attr.width() + 0.72) * 256)); } - if (StringUtils.isNotEmpty(attr.prompt()) || attr.combo().length > 0) - { - if (attr.combo().length > 15 || StringUtils.join(attr.combo()).length() > 255) - { + if (StringUtils.isNotEmpty(attr.prompt()) || attr.combo().length > 0) { + if (attr.combo().length > 15 || StringUtils.join(attr.combo()).length() > 255) { // 如果下拉数大于15或字符串长度大于255，则使用一个新sheet存储，避免生成的模板下拉值获取不到 setXSSFValidationWithHidden(sheet, attr.combo(), attr.prompt(), 1, 100, column, column); - } - else - { + } else { // 提示信息或只能选择不能输入的列内容. setPromptOrValidation(sheet, attr.combo(), attr.prompt(), 1, 100, column, column); } @@ -885,20 +771,16 @@ public class ExcelUtil /** * 添加单元格 */ - public Cell addCell(Excel attr, Row row, T vo, Field field, int column) - { + public Cell addCell(Excel attr, Row row, T vo, Field field, int column) { Cell cell = null; - try - { + try { // 设置行高 row.setHeight(maxHeight); // 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()) - { + if (attr.isExport()) { // 创建cell cell = row.createCell(column); - if (isSubListValue(vo) && getListCellValue(vo).size() > 1 && attr.needMerge()) - { + if (isSubListValue(vo) && getListCellValue(vo).size() > 1 && attr.needMerge()) { CellRangeAddress cellAddress = new CellRangeAddress(subMergedFirstRowNum, subMergedLastRowNum, column, column); sheet.addMergedRegion(cellAddress); } @@ -909,32 +791,21 @@ public class ExcelUtil String dateFormat = attr.dateFormat(); String readConverterExp = attr.readConverterExp(); String separator = attr.separator(); - if (StringUtils.isNotEmpty(dateFormat) && StringUtils.isNotNull(value)) - { + if (StringUtils.isNotEmpty(dateFormat) && StringUtils.isNotNull(value)) { cell.setCellValue(parseDateToStr(dateFormat, value)); - } - else if (StringUtils.isNotEmpty(readConverterExp) && StringUtils.isNotNull(value)) - { + } else if (StringUtils.isNotEmpty(readConverterExp) && StringUtils.isNotNull(value)) { cell.setCellValue(convertByExp(Convert.toStr(value), readConverterExp, separator)); - } - else if (value instanceof BigDecimal && -1 != attr.scale()) - { + } else if (value instanceof BigDecimal && -1 != attr.scale()) { cell.setCellValue((((BigDecimal) value).setScale(attr.scale(), attr.roundingMode())).doubleValue()); - } - else if (!attr.handler().equals(ExcelHandlerAdapter.class)) - { + } else if (!attr.handler().equals(ExcelHandlerAdapter.class)) { cell.setCellValue(dataFormatHandlerAdapter(value, attr, cell)); - } - else - { + } else { // 设置列类型 setCellVo(value, attr, cell); } addStatisticsData(column, Convert.toStr(value), attr); } - } - catch (Exception e) - { + } catch (Exception e) { log.error("导出Excel失败{}", e); } return cell; @@ -943,35 +814,30 @@ public class ExcelUtil /** * 设置 POI XSSFSheet 单元格提示或选择框 * - * @param sheet 表单 - * @param textlist 下拉框显示的内容 + * @param sheet 表单 + * @param textlist 下拉框显示的内容 * @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 + * @param firstRow 开始行 + * @param endRow 结束行 + * @param firstCol 开始列 + * @param endCol 结束列 */ public void setPromptOrValidation(Sheet sheet, String[] textlist, String promptContent, int firstRow, int endRow, - int firstCol, int endCol) - { + int firstCol, int endCol) { DataValidationHelper helper = sheet.getDataValidationHelper(); DataValidationConstraint constraint = textlist.length > 0 ? helper.createExplicitListConstraint(textlist) : helper.createCustomConstraint("DD1"); CellRangeAddressList regions = new CellRangeAddressList(firstRow, endRow, firstCol, endCol); DataValidation dataValidation = helper.createValidation(constraint, regions); - if (StringUtils.isNotEmpty(promptContent)) - { + if (StringUtils.isNotEmpty(promptContent)) { // 如果设置了提示信息则鼠标放上去提示 dataValidation.createPromptBox("", promptContent); dataValidation.setShowPromptBox(true); } // 处理Excel兼容性问题 - if (dataValidation instanceof XSSFDataValidation) - { + if (dataValidation instanceof XSSFDataValidation) { dataValidation.setSuppressDropDownArrow(true); dataValidation.setShowErrorBox(true); - } - else - { + } else { dataValidation.setSuppressDropDownArrow(false); } sheet.addValidationData(dataValidation); @@ -980,20 +846,18 @@ public class ExcelUtil /** * 设置某些列的值只能输入预制的数据,显示下拉框（兼容超出一定数量的下拉框）. * - * @param sheet 要设置的sheet. - * @param textlist 下拉框显示的内容 + * @param sheet 要设置的sheet. + * @param textlist 下拉框显示的内容 * @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 + * @param firstRow 开始行 + * @param endRow 结束行 + * @param firstCol 开始列 + * @param endCol 结束列 */ - public void setXSSFValidationWithHidden(Sheet sheet, String[] textlist, String promptContent, int firstRow, int endRow, int firstCol, int endCol) - { + public void setXSSFValidationWithHidden(Sheet sheet, String[] textlist, String promptContent, int firstRow, int endRow, int firstCol, int endCol) { String hideSheetName = "combo_" + firstCol + "_" + endCol; Sheet hideSheet = wb.createSheet(hideSheetName); // 用于存储 下拉菜单数据 - for (int i = 0; i < textlist.length; i++) - { + for (int i = 0; i < textlist.length; i++) { hideSheet.createRow(i).createCell(0).setCellValue(textlist[i]); } // 创建名称，可被其他单元格引用 @@ -1007,20 +871,16 @@ public class ExcelUtil CellRangeAddressList regions = new CellRangeAddressList(firstRow, endRow, firstCol, endCol); // 数据有效性对象 DataValidation dataValidation = helper.createValidation(constraint, regions); - if (StringUtils.isNotEmpty(promptContent)) - { + if (StringUtils.isNotEmpty(promptContent)) { // 如果设置了提示信息则鼠标放上去提示 dataValidation.createPromptBox("", promptContent); dataValidation.setShowPromptBox(true); } // 处理Excel兼容性问题 - if (dataValidation instanceof XSSFDataValidation) - { + if (dataValidation instanceof XSSFDataValidation) { dataValidation.setSuppressDropDownArrow(true); dataValidation.setShowErrorBox(true); - } - else - { + } else { dataValidation.setSuppressDropDownArrow(false); } @@ -1033,32 +893,24 @@ public class ExcelUtil * 解析导出值 0=男,1=女,2=未知 * * @param propertyValue 参数值 - * @param converterExp 翻译注解 - * @param separator 分隔符 + * @param converterExp 翻译注解 + * @param separator 分隔符 * @return 解析后值 */ - public static String convertByExp(String propertyValue, String converterExp, String separator) - { + public static String convertByExp(String propertyValue, String converterExp, String separator) { StringBuilder propertyString = new StringBuilder(); String[] convertSource = converterExp.split(","); - for (String item : convertSource) - { + for (String item : convertSource) { String[] itemArray = item.split("="); - if (StringUtils.containsAny(propertyValue, separator)) - { - for (String value : propertyValue.split(separator)) - { - if (itemArray[0].equals(value)) - { + if (StringUtils.containsAny(propertyValue, separator)) { + for (String value : propertyValue.split(separator)) { + if (itemArray[0].equals(value)) { propertyString.append(itemArray[1] + separator); break; } } - } - else - { - if (itemArray[0].equals(propertyValue)) - { + } else { + if (itemArray[0].equals(propertyValue)) { return itemArray[1]; } } @@ -1070,32 +922,24 @@ public class ExcelUtil * 反向解析值 男=0,女=1,未知=2 * * @param propertyValue 参数值 - * @param converterExp 翻译注解 - * @param separator 分隔符 + * @param converterExp 翻译注解 + * @param separator 分隔符 * @return 解析后值 */ - public static String reverseByExp(String propertyValue, String converterExp, String separator) - { + public static String reverseByExp(String propertyValue, String converterExp, String separator) { StringBuilder propertyString = new StringBuilder(); String[] convertSource = converterExp.split(","); - for (String item : convertSource) - { + for (String item : convertSource) { String[] itemArray = item.split("="); - if (StringUtils.containsAny(propertyValue, separator)) - { - for (String value : propertyValue.split(separator)) - { - if (itemArray[1].equals(value)) - { + if (StringUtils.containsAny(propertyValue, separator)) { + for (String value : propertyValue.split(separator)) { + if (itemArray[1].equals(value)) { propertyString.append(itemArray[0] + separator); break; } } - } - else - { - if (itemArray[1].equals(propertyValue)) - { + } else { + if (itemArray[1].equals(propertyValue)) { return itemArray[0]; } } @@ -1110,16 +954,12 @@ public class ExcelUtil * @param excel 数据注解 * @return */ - public String dataFormatHandlerAdapter(Object value, Excel excel, Cell cell) - { - try - { + public String dataFormatHandlerAdapter(Object value, Excel excel, Cell cell) { + try { Object instance = excel.handler().newInstance(); - Method formatMethod = excel.handler().getMethod("format", new Class[] { Object.class, String[].class, Cell.class, Workbook.class }); + Method formatMethod = excel.handler().getMethod("format", new Class[]{Object.class, String[].class, Cell.class, Workbook.class}); value = formatMethod.invoke(instance, value, excel.args(), cell, this.wb); - } - catch (Exception e) - { + } catch (Exception e) { log.error("不能格式化数据 " + excel.handler(), e.getMessage()); } return Convert.toStr(value); @@ -1128,21 +968,15 @@ public class ExcelUtil /** * 合计统计信息 */ - private void addStatisticsData(Integer index, String text, Excel entity) - { - if (entity != null && entity.isStatistics()) - { + private void addStatisticsData(Integer index, String text, Excel entity) { + if (entity != null && entity.isStatistics()) { Double temp = 0D; - if (!statistics.containsKey(index)) - { + if (!statistics.containsKey(index)) { statistics.put(index, temp); } - try - { + try { temp = Double.valueOf(text); - } - catch (NumberFormatException e) - { + } catch (NumberFormatException e) { } statistics.put(index, statistics.get(index) + temp); } @@ -1151,18 +985,15 @@ public class ExcelUtil /** * 创建统计行 */ - public void addStatisticsRow() - { - if (statistics.size() > 0) - { + public void addStatisticsRow() { + if (statistics.size() > 0) { Row row = sheet.createRow(sheet.getLastRowNum() + 1); Set keys = statistics.keySet(); Cell cell = row.createCell(0); cell.setCellStyle(styles.get("total")); cell.setCellValue("合计"); - for (Integer key : keys) - { + for (Integer key : keys) { cell = row.createCell(key); cell.setCellStyle(styles.get("total")); cell.setCellValue(DOUBLE_FORMAT.format(statistics.get(key))); @@ -1174,28 +1005,22 @@ public class ExcelUtil /** * 获取bean中的属性值 * - * @param vo 实体对象 + * @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 - { + private Object getTargetValue(T vo, Field field, Excel excel) throws Exception { Object o = field.get(vo); - if (StringUtils.isNotEmpty(excel.targetAttr())) - { + if (StringUtils.isNotEmpty(excel.targetAttr())) { String target = excel.targetAttr(); - if (target.contains(".")) - { + if (target.contains(".")) { String[] targets = target.split("[.]"); - for (String name : targets) - { + for (String name : targets) { o = getValue(o, name); } - } - else - { + } else { o = getValue(o, target); } } @@ -1210,10 +1035,8 @@ public class ExcelUtil * @return value * @throws Exception */ - private Object getValue(Object o, String name) throws Exception - { - if (StringUtils.isNotNull(o) && StringUtils.isNotEmpty(name)) - { + private Object getValue(Object o, String name) throws Exception { + if (StringUtils.isNotNull(o) && StringUtils.isNotEmpty(name)) { Class clazz = o.getClass(); Field field = clazz.getDeclaredField(name); field.setAccessible(true); @@ -1225,8 +1048,7 @@ public class ExcelUtil /** * 得到所有定义字段 */ - private void createExcelField() - { + private void createExcelField() { this.fields = getFields(); this.fields = this.fields.stream().sorted(Comparator.comparing(objects -> ((Excel) objects[1]).sort())).collect(Collectors.toList()); this.maxHeight = getRowHeight(); @@ -1235,27 +1057,33 @@ public class ExcelUtil /** * 获取字段注解信息 */ - public List getFields() - { + public List getFields() { List fields = new ArrayList(); List tempFields = new ArrayList<>(); tempFields.addAll(Arrays.asList(clazz.getSuperclass().getDeclaredFields())); tempFields.addAll(Arrays.asList(clazz.getDeclaredFields())); - for (Field field : tempFields) - { - if (!ArrayUtils.contains(this.excludeFields, field.getName())) - { + + // 按照指定字段进行筛选 + if (exportFields != null && exportFields.size() > 0) { + Iterator iterator = tempFields.iterator(); + while (iterator.hasNext()) { + Field field = iterator.next(); + if (!this.exportFields.contains(field.getName())) { + iterator.remove(); + } + } + } + + for (Field field : tempFields) { + if (!ArrayUtils.contains(this.excludeFields, field.getName())) { // 单注解 - if (field.isAnnotationPresent(Excel.class)) - { + if (field.isAnnotationPresent(Excel.class)) { Excel attr = field.getAnnotation(Excel.class); - if (attr != null && (attr.type() == Excel.Type.ALL || attr.type() == type)) - { + if (attr != null && (attr.type() == Excel.Type.ALL || attr.type() == type)) { field.setAccessible(true); - fields.add(new Object[] { field, attr }); + fields.add(new Object[]{field, attr}); } - if (Collection.class.isAssignableFrom(field.getType())) - { + if (Collection.class.isAssignableFrom(field.getType())) { subMethod = getSubMethod(field.getName(), clazz); ParameterizedType pt = (ParameterizedType) field.getGenericType(); Class subClass = (Class) pt.getActualTypeArguments()[0]; @@ -1264,17 +1092,14 @@ public class ExcelUtil } // 多注解 - if (field.isAnnotationPresent(Excels.class)) - { + if (field.isAnnotationPresent(Excels.class)) { Excels attrs = field.getAnnotation(Excels.class); Excel[] excels = attrs.value(); - for (Excel attr : excels) - { + for (Excel attr : excels) { if (!ArrayUtils.contains(this.excludeFields, field.getName() + "." + attr.targetAttr()) - && (attr != null && (attr.type() == Excel.Type.ALL || attr.type() == type))) - { + && (attr != null && (attr.type() == Excel.Type.ALL || attr.type() == type))) { field.setAccessible(true); - fields.add(new Object[] { field, attr }); + fields.add(new Object[]{field, attr}); } } } @@ -1286,11 +1111,9 @@ public class ExcelUtil /** * 根据注解获取最大行高 */ - public short getRowHeight() - { + public short getRowHeight() { double maxHeight = 0; - for (Object[] os : this.fields) - { + for (Object[] os : this.fields) { Excel excel = (Excel) os[1]; maxHeight = Math.max(maxHeight, excel.height()); } @@ -1300,8 +1123,7 @@ public class ExcelUtil /** * 创建一个工作簿 */ - public void createWorkbook() - { + public void createWorkbook() { this.wb = new SXSSFWorkbook(500); this.sheet = wb.createSheet(); wb.setSheetName(0, sheetName); @@ -1312,13 +1134,11 @@ public class ExcelUtil * 创建工作表 * * @param sheetNo sheet数量 - * @param index 序号 + * @param index 序号 */ - public void createSheet(int sheetNo, int index) - { + public void createSheet(int sheetNo, int index) { // 设置工作表的名称. - if (sheetNo > 1 && index > 0) - { + if (sheetNo > 1 && index > 0) { this.sheet = wb.createSheet(); this.createTitle(); wb.setSheetName(index, sheetName + index); @@ -1328,58 +1148,39 @@ public class ExcelUtil /** * 获取单元格值 * - * @param row 获取的行 + * @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) - { + public Object getCellValue(Row row, int column) { + if (row == null) { return row; } Object val = ""; - try - { + try { Cell cell = row.getCell(column); - if (StringUtils.isNotNull(cell)) - { - if (cell.getCellType() == CellType.NUMERIC || cell.getCellType() == CellType.FORMULA) - { + if (StringUtils.isNotNull(cell)) { + if (cell.getCellType() == CellType.NUMERIC || cell.getCellType() == CellType.FORMULA) { val = cell.getNumericCellValue(); - if (DateUtil.isCellDateFormatted(cell)) - { + if (DateUtil.isCellDateFormatted(cell)) { val = DateUtil.getJavaDate((Double) val); // POI Excel 日期格式转换 - } - else - { - if ((Double) val % 1 != 0) - { + } else { + if ((Double) val % 1 != 0) { val = new BigDecimal(val.toString()); - } - else - { + } else { val = new DecimalFormat("0").format(val); } } - } - else if (cell.getCellType() == CellType.STRING) - { + } else if (cell.getCellType() == CellType.STRING) { val = cell.getStringCellValue(); - } - else if (cell.getCellType() == CellType.BOOLEAN) - { + } else if (cell.getCellType() == CellType.BOOLEAN) { val = cell.getBooleanCellValue(); - } - else if (cell.getCellType() == CellType.ERROR) - { + } else if (cell.getCellType() == CellType.ERROR) { val = cell.getErrorCellValue(); } } - } - catch (Exception e) - { + } catch (Exception e) { return val; } return val; @@ -1391,17 +1192,13 @@ public class ExcelUtil * @param row 判断的行 * @return */ - private boolean isRowEmpty(Row row) - { - if (row == null) - { + private boolean isRowEmpty(Row row) { + if (row == null) { return true; } - for (int i = row.getFirstCellNum(); i < row.getLastCellNum(); i++) - { + for (int i = row.getFirstCellNum(); i < row.getLastCellNum(); i++) { Cell cell = row.getCell(i); - if (cell != null && cell.getCellType() != CellType.BLANK) - { + if (cell != null && cell.getCellType() != CellType.BLANK) { return false; } } @@ -1412,30 +1209,21 @@ public class ExcelUtil * 格式化不同类型的日期对象 * * @param dateFormat 日期格式 - * @param val 被格式化的日期对象 + * @param val 被格式化的日期对象 * @return 格式化后的日期字符 */ - public String parseDateToStr(String dateFormat, Object val) - { - if (val == null) - { + public String parseDateToStr(String dateFormat, Object val) { + if (val == null) { return ""; } String str; - if (val instanceof Date) - { + if (val instanceof Date) { str = DateUtils.parseDateToStr(dateFormat, (Date) val); - } - else if (val instanceof LocalDateTime) - { + } else if (val instanceof LocalDateTime) { str = DateUtils.parseDateToStr(dateFormat, DateUtils.toDate((LocalDateTime) val)); - } - else if (val instanceof LocalDate) - { + } else if (val instanceof LocalDate) { str = DateUtils.parseDateToStr(dateFormat, DateUtils.toDate((LocalDate) val)); - } - else - { + } else { str = val.toString(); } return str; @@ -1444,31 +1232,25 @@ public class ExcelUtil /** * 是否有对象的子列表 */ - public boolean isSubList() - { + public boolean isSubList() { return StringUtils.isNotNull(subFields) && subFields.size() > 0; } /** * 是否有对象的子列表，集合不为空 */ - public boolean isSubListValue(T vo) - { + public boolean isSubListValue(T vo) { return StringUtils.isNotNull(subFields) && subFields.size() > 0 && StringUtils.isNotNull(getListCellValue(vo)) && getListCellValue(vo).size() > 0; } /** * 获取集合的值 */ - public Collection getListCellValue(Object obj) - { + public Collection getListCellValue(Object obj) { Object value; - try - { - value = subMethod.invoke(obj, new Object[] {}); - } - catch (Exception e) - { + try { + value = subMethod.invoke(obj, new Object[]{}); + } catch (Exception e) { return new ArrayList(); } return (Collection) value; @@ -1477,22 +1259,18 @@ public class ExcelUtil /** * 获取对象的子列表方法 * - * @param name 名称 + * @param name 名称 * @param pojoClass 类对象 * @return 子列表方法 */ - public Method getSubMethod(String name, Class pojoClass) - { + public Method getSubMethod(String name, Class pojoClass) { StringBuffer getMethodName = new StringBuffer("get"); getMethodName.append(name.substring(0, 1).toUpperCase()); getMethodName.append(name.substring(1)); Method method = null; - try - { - method = pojoClass.getMethod(getMethodName.toString(), new Class[] {}); - } - catch (Exception e) - { + try { + method = pojoClass.getMethod(getMethodName.toString(), new Class[]{}); + } catch (Exception e) { log.error("获取对象异常{}", e.getMessage()); } return method;