From 2841620be623be15c1832a783136a2b73c2b4424 Mon Sep 17 00:00:00 2001 From: 疯狂的狮子li <15040126243@163.com> Date: 星期四, 13 二月 2020 10:48:51 +0800 Subject: [PATCH] 初始化项目 --- ruoyi/src/main/java/com/ruoyi/common/utils/poi/ExcelUtil.java | 872 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 files changed, 872 insertions(+), 0 deletions(-) diff --git a/ruoyi/src/main/java/com/ruoyi/common/utils/poi/ExcelUtil.java b/ruoyi/src/main/java/com/ruoyi/common/utils/poi/ExcelUtil.java new file mode 100644 index 0000000..27652fe --- /dev/null +++ b/ruoyi/src/main/java/com/ruoyi/common/utils/poi/ExcelUtil.java @@ -0,0 +1,872 @@ +package com.ruoyi.common.utils.poi; + +import java.io.File; +import java.io.FileOutputStream; +import java.io.IOException; +import java.io.InputStream; +import java.io.OutputStream; +import java.lang.reflect.Field; +import java.lang.reflect.Method; +import java.math.BigDecimal; +import java.text.DecimalFormat; +import java.util.ArrayList; +import java.util.Arrays; +import java.util.Date; +import java.util.HashMap; +import java.util.List; +import java.util.Map; +import java.util.UUID; +import org.apache.poi.hssf.usermodel.HSSFDateUtil; +import org.apache.poi.ss.usermodel.BorderStyle; +import org.apache.poi.ss.usermodel.Cell; +import org.apache.poi.ss.usermodel.CellStyle; +import org.apache.poi.ss.usermodel.CellType; +import org.apache.poi.ss.usermodel.DataValidation; +import org.apache.poi.ss.usermodel.DataValidationConstraint; +import org.apache.poi.ss.usermodel.DataValidationHelper; +import org.apache.poi.ss.usermodel.DateUtil; +import org.apache.poi.ss.usermodel.FillPatternType; +import org.apache.poi.ss.usermodel.Font; +import org.apache.poi.ss.usermodel.HorizontalAlignment; +import org.apache.poi.ss.usermodel.IndexedColors; +import org.apache.poi.ss.usermodel.Row; +import org.apache.poi.ss.usermodel.Sheet; +import org.apache.poi.ss.usermodel.VerticalAlignment; +import org.apache.poi.ss.usermodel.Workbook; +import org.apache.poi.ss.usermodel.WorkbookFactory; +import org.apache.poi.ss.util.CellRangeAddressList; +import org.apache.poi.xssf.streaming.SXSSFWorkbook; +import org.apache.poi.xssf.usermodel.XSSFDataValidation; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; +import com.ruoyi.framework.aspectj.lang.annotation.Excel; +import com.ruoyi.framework.aspectj.lang.annotation.Excel.ColumnType; +import com.ruoyi.framework.aspectj.lang.annotation.Excel.Type; +import com.ruoyi.framework.aspectj.lang.annotation.Excels; +import com.ruoyi.framework.config.RuoYiConfig; +import com.ruoyi.framework.web.domain.AjaxResult; +import com.ruoyi.common.core.text.Convert; +import com.ruoyi.common.exception.CustomException; +import com.ruoyi.common.utils.DateUtils; +import com.ruoyi.common.utils.StringUtils; +import com.ruoyi.common.utils.reflect.ReflectUtils; + +/** + * Excel鐩稿叧澶勭悊 + * + * @author ruoyi + */ +public class ExcelUtil<T> +{ + private static final Logger log = LoggerFactory.getLogger(ExcelUtil.class); + + /** + * Excel sheet鏈�澶ц鏁帮紝榛樿65536 + */ + public static final int sheetSize = 65536; + + /** + * 宸ヤ綔琛ㄥ悕绉� + */ + private String sheetName; + + /** + * 瀵煎嚭绫诲瀷锛圗XPORT:瀵煎嚭鏁版嵁锛汭MPORT锛氬鍏ユā鏉匡級 + */ + private Type type; + + /** + * 宸ヤ綔钖勫璞� + */ + private Workbook wb; + + /** + * 宸ヤ綔琛ㄥ璞� + */ + private Sheet sheet; + + /** + * 鏍峰紡鍒楄〃 + */ + private Map<String, CellStyle> styles; + + /** + * 瀵煎叆瀵煎嚭鏁版嵁鍒楄〃 + */ + private List<T> list; + + /** + * 娉ㄨВ鍒楄〃 + */ + private List<Object[]> fields; + + /** + * 瀹炰綋瀵硅薄 + */ + public Class<T> clazz; + + public ExcelUtil(Class<T> clazz) + { + this.clazz = clazz; + } + + public void init(List<T> list, String sheetName, Type type) + { + if (list == null) + { + list = new ArrayList<T>(); + } + this.list = list; + this.sheetName = sheetName; + this.type = type; + createExcelField(); + createWorkbook(); + } + + /** + * 瀵筫xcel琛ㄥ崟榛樿绗竴涓储寮曞悕杞崲鎴恖ist + * + * @param is 杈撳叆娴� + * @return 杞崲鍚庨泦鍚� + */ + public List<T> importExcel(InputStream is) throws Exception + { + return importExcel(StringUtils.EMPTY, is); + } + + /** + * 瀵筫xcel琛ㄥ崟鎸囧畾琛ㄦ牸绱㈠紩鍚嶈浆鎹㈡垚list + * + * @param sheetName 琛ㄦ牸绱㈠紩鍚� + * @param is 杈撳叆娴� + * @return 杞崲鍚庨泦鍚� + */ + public List<T> importExcel(String sheetName, InputStream is) throws Exception + { + this.type = Type.IMPORT; + this.wb = WorkbookFactory.create(is); + List<T> list = new ArrayList<T>(); + Sheet sheet = null; + if (StringUtils.isNotEmpty(sheetName)) + { + // 濡傛灉鎸囧畾sheet鍚�,鍒欏彇鎸囧畾sheet涓殑鍐呭. + sheet = wb.getSheet(sheetName); + } + else + { + // 濡傛灉浼犲叆鐨剆heet鍚嶄笉瀛樺湪鍒欓粯璁ゆ寚鍚戠1涓猻heet. + sheet = wb.getSheetAt(0); + } + + if (sheet == null) + { + throw new IOException("鏂囦欢sheet涓嶅瓨鍦�"); + } + + int rows = sheet.getPhysicalNumberOfRows(); + + if (rows > 0) + { + // 瀹氫箟涓�涓猰ap鐢ㄤ簬瀛樻斁excel鍒楃殑搴忓彿鍜宖ield. + Map<String, Integer> cellMap = new HashMap<String, Integer>(); + // 鑾峰彇琛ㄥご + Row heard = sheet.getRow(0); + for (int i = 0; i < heard.getPhysicalNumberOfCells(); i++) + { + Cell cell = heard.getCell(i); + if (StringUtils.isNotNull(cell != null)) + { + String value = this.getCellValue(heard, i).toString(); + cellMap.put(value, i); + } + else + { + cellMap.put(null, i); + } + } + // 鏈夋暟鎹椂鎵嶅鐞� 寰楀埌绫荤殑鎵�鏈塮ield. + Field[] allFields = clazz.getDeclaredFields(); + // 瀹氫箟涓�涓猰ap鐢ㄤ簬瀛樻斁鍒楃殑搴忓彿鍜宖ield. + Map<Integer, Field> fieldsMap = new HashMap<Integer, Field>(); + for (int col = 0; col < allFields.length; col++) + { + Field field = allFields[col]; + Excel attr = field.getAnnotation(Excel.class); + if (attr != null && (attr.type() == Type.ALL || attr.type() == type)) + { + // 璁剧疆绫荤殑绉佹湁瀛楁灞炴�у彲璁块棶. + field.setAccessible(true); + Integer column = cellMap.get(attr.name()); + fieldsMap.put(column, field); + } + } + for (int i = 1; i < rows; i++) + { + // 浠庣2琛屽紑濮嬪彇鏁版嵁,榛樿绗竴琛屾槸琛ㄥご. + Row row = sheet.getRow(i); + T entity = null; + for (Map.Entry<Integer, Field> entry : fieldsMap.entrySet()) + { + Object val = this.getCellValue(row, entry.getKey()); + + // 濡傛灉涓嶅瓨鍦ㄥ疄渚嬪垯鏂板缓. + entity = (entity == null ? clazz.newInstance() : entity); + // 浠巑ap涓緱鍒板搴斿垪鐨刦ield. + Field field = fieldsMap.get(entry.getKey()); + // 鍙栧緱绫诲瀷,骞舵牴鎹璞$被鍨嬭缃��. + Class<?> fieldType = field.getType(); + if (String.class == fieldType) + { + String s = Convert.toStr(val); + if (StringUtils.endsWith(s, ".0")) + { + val = StringUtils.substringBefore(s, ".0"); + } + 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); + } + } + if (StringUtils.isNotNull(fieldType)) + { + 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; + } + + /** + * 瀵筶ist鏁版嵁婧愬皢鍏堕噷闈㈢殑鏁版嵁瀵煎叆鍒癳xcel琛ㄥ崟 + * + * @param list 瀵煎嚭鏁版嵁闆嗗悎 + * @param sheetName 宸ヤ綔琛ㄧ殑鍚嶇О + * @return 缁撴灉 + */ + public AjaxResult exportExcel(List<T> list, String sheetName) + { + this.init(list, sheetName, Type.EXPORT); + return exportExcel(); + } + + /** + * 瀵筶ist鏁版嵁婧愬皢鍏堕噷闈㈢殑鏁版嵁瀵煎叆鍒癳xcel琛ㄥ崟 + * + * @param sheetName 宸ヤ綔琛ㄧ殑鍚嶇О + * @return 缁撴灉 + */ + public AjaxResult importTemplateExcel(String sheetName) + { + this.init(null, sheetName, Type.IMPORT); + return exportExcel(); + } + + /** + * 瀵筶ist鏁版嵁婧愬皢鍏堕噷闈㈢殑鏁版嵁瀵煎叆鍒癳xcel琛ㄥ崟 + * + * @return 缁撴灉 + */ + public AjaxResult exportExcel() + { + OutputStream out = null; + try + { + // 鍙栧嚭涓�鍏辨湁澶氬皯涓猻heet. + double sheetNo = Math.ceil(list.size() / sheetSize); + for (int index = 0; index <= sheetNo; index++) + { + createSheet(sheetNo, index); + + // 浜х敓涓�琛� + Row row = sheet.createRow(0); + int column = 0; + // 鍐欏叆鍚勪釜瀛楁鐨勫垪澶村悕绉� + for (Object[] os : fields) + { + Excel excel = (Excel) os[1]; + this.createCell(excel, row, column++); + } + if (Type.EXPORT.equals(type)) + { + fillExcelData(index, row); + } + } + String filename = encodingFilename(sheetName); + out = new FileOutputStream(getAbsoluteFile(filename)); + wb.write(out); + return AjaxResult.success(filename); + } + catch (Exception e) + { + log.error("瀵煎嚭Excel寮傚父{}", e.getMessage()); + throw new CustomException("瀵煎嚭Excel澶辫触锛岃鑱旂郴缃戠珯绠$悊鍛橈紒"); + } + finally + { + if (wb != null) + { + try + { + wb.close(); + } + catch (IOException e1) + { + e1.printStackTrace(); + } + } + if (out != null) + { + try + { + out.close(); + } + catch (IOException e1) + { + e1.printStackTrace(); + } + } + } + } + + /** + * 濉厖excel鏁版嵁 + * + * @param index 搴忓彿 + * @param row 鍗曞厓鏍艰 + */ + public void fillExcelData(int index, Row row) + { + int startNo = index * sheetSize; + int endNo = Math.min(startNo + sheetSize, list.size()); + for (int i = startNo; i < endNo; i++) + { + row = sheet.createRow(i + 1 - startNo); + // 寰楀埌瀵煎嚭瀵硅薄. + T vo = (T) list.get(i); + int column = 0; + for (Object[] os : fields) + { + Field field = (Field) os[0]; + Excel excel = (Excel) os[1]; + // 璁剧疆瀹炰綋绫荤鏈夊睘鎬у彲璁块棶 + field.setAccessible(true); + this.addCell(excel, row, vo, field, column++); + } + } + } + + /** + * 鍒涘缓琛ㄦ牸鏍峰紡 + * + * @param wb 宸ヤ綔钖勫璞� + * @return 鏍峰紡鍒楄〃 + */ + private Map<String, CellStyle> createStyles(Workbook wb) + { + // 鍐欏叆鍚勬潯璁板綍,姣忔潯璁板綍瀵瑰簲excel琛ㄤ腑鐨勪竴琛� + Map<String, CellStyle> styles = new HashMap<String, CellStyle>(); + 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; + } + + /** + * 鍒涘缓鍗曞厓鏍� + */ + public Cell createCell(Excel attr, Row row, int column) + { + // 鍒涘缓鍒� + Cell cell = row.createCell(column); + // 鍐欏叆鍒椾俊鎭� + cell.setCellValue(attr.name()); + setDataValidation(attr, row, column); + cell.setCellStyle(styles.get("header")); + return cell; + } + + /** + * 璁剧疆鍗曞厓鏍间俊鎭� + * + * @param value 鍗曞厓鏍煎�� + * @param attr 娉ㄨВ鐩稿叧 + * @param cell 鍗曞厓鏍间俊鎭� + */ + public void setCellVo(Object value, Excel attr, Cell cell) + { + if (ColumnType.STRING == attr.cellType()) + { + cell.setCellType(CellType.NUMERIC); + cell.setCellValue(StringUtils.isNull(value) ? attr.defaultValue() : value + attr.suffix()); + } + else if (ColumnType.NUMERIC == attr.cellType()) + { + cell.setCellType(CellType.NUMERIC); + cell.setCellValue(Integer.parseInt(value + "")); + } + } + + /** + * 鍒涘缓琛ㄦ牸鏍峰紡 + */ + public void setDataValidation(Excel attr, Row row, int column) + { + if (attr.name().indexOf("娉細") >= 0) + { + sheet.setColumnWidth(column, 6000); + } + else + { + // 璁剧疆鍒楀 + sheet.setColumnWidth(column, (int) ((attr.width() + 0.72) * 256)); + row.setHeight((short) (attr.height() * 20)); + } + // 濡傛灉璁剧疆浜嗘彁绀轰俊鎭垯榧犳爣鏀句笂鍘绘彁绀�. + if (StringUtils.isNotEmpty(attr.prompt())) + { + // 杩欓噷榛樿璁句簡2-101鍒楁彁绀�. + setXSSFPrompt(sheet, "", attr.prompt(), 1, 100, column, column); + } + // 濡傛灉璁剧疆浜哻ombo灞炴�у垯鏈垪鍙兘閫夋嫨涓嶈兘杈撳叆 + if (attr.combo().length > 0) + { + // 杩欓噷榛樿璁句簡2-101鍒楀彧鑳介�夋嫨涓嶈兘杈撳叆. + setXSSFValidation(sheet, attr.combo(), 1, 100, column, column); + } + } + + /** + * 娣诲姞鍗曞厓鏍� + */ + public Cell addCell(Excel attr, Row row, T vo, Field field, int column) + { + Cell cell = null; + try + { + // 璁剧疆琛岄珮 + row.setHeight((short) (attr.height() * 20)); + // 鏍规嵁Excel涓缃儏鍐靛喅瀹氭槸鍚﹀鍑�,鏈変簺鎯呭喌闇�瑕佷繚鎸佷负绌�,甯屾湜鐢ㄦ埛濉啓杩欎竴鍒�. + if (attr.isExport()) + { + // 鍒涘缓cell + cell = row.createCell(column); + cell.setCellStyle(styles.get("data")); + + // 鐢ㄤ簬璇诲彇瀵硅薄涓殑灞炴�� + Object value = getTargetValue(vo, field, attr); + String dateFormat = attr.dateFormat(); + String readConverterExp = attr.readConverterExp(); + if (StringUtils.isNotEmpty(dateFormat) && StringUtils.isNotNull(value)) + { + cell.setCellValue(DateUtils.parseDateToStr(dateFormat, (Date) value)); + } + else if (StringUtils.isNotEmpty(readConverterExp) && StringUtils.isNotNull(value)) + { + cell.setCellValue(convertByExp(String.valueOf(value), readConverterExp)); + } + else + { + // 璁剧疆鍒楃被鍨� + setCellVo(value, attr, cell); + } + } + } + catch (Exception e) + { + log.error("瀵煎嚭Excel澶辫触{}", e); + } + return cell; + } + + /** + * 璁剧疆 POI XSSFSheet 鍗曞厓鏍兼彁绀� + * + * @param sheet 琛ㄥ崟 + * @param promptTitle 鎻愮ず鏍囬 + * @param promptContent 鎻愮ず鍐呭 + * @param firstRow 寮�濮嬭 + * @param endRow 缁撴潫琛� + * @param firstCol 寮�濮嬪垪 + * @param endCol 缁撴潫鍒� + */ + 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); + } + + /** + * 璁剧疆鏌愪簺鍒楃殑鍊煎彧鑳借緭鍏ラ鍒剁殑鏁版嵁,鏄剧ず涓嬫媺妗�. + * + * @param sheet 瑕佽缃殑sheet. + * @param textlist 涓嬫媺妗嗘樉绀虹殑鍐呭 + * @param firstRow 寮�濮嬭 + * @param endRow 缁撴潫琛� + * @param firstCol 寮�濮嬪垪 + * @param endCol 缁撴潫鍒� + * @return 璁剧疆濂界殑sheet. + */ + public void setXSSFValidation(Sheet sheet, String[] textlist, int firstRow, int endRow, int firstCol, int endCol) + { + DataValidationHelper helper = sheet.getDataValidationHelper(); + // 鍔犺浇涓嬫媺鍒楄〃鍐呭 + DataValidationConstraint constraint = helper.createExplicitListConstraint(textlist); + // 璁剧疆鏁版嵁鏈夋晥鎬у姞杞藉湪鍝釜鍗曞厓鏍间笂,鍥涗釜鍙傛暟鍒嗗埆鏄細璧峰琛屻�佺粓姝㈣銆佽捣濮嬪垪銆佺粓姝㈠垪 + CellRangeAddressList regions = new CellRangeAddressList(firstRow, endRow, firstCol, endCol); + // 鏁版嵁鏈夋晥鎬у璞� + DataValidation dataValidation = helper.createValidation(constraint, regions); + // 澶勭悊Excel鍏煎鎬ч棶棰� + if (dataValidation instanceof XSSFDataValidation) + { + dataValidation.setSuppressDropDownArrow(true); + dataValidation.setShowErrorBox(true); + } + else + { + dataValidation.setSuppressDropDownArrow(false); + } + + sheet.addValidationData(dataValidation); + } + + /** + * 瑙f瀽瀵煎嚭鍊� 0=鐢�,1=濂�,2=鏈煡 + * + * @param propertyValue 鍙傛暟鍊� + * @param converterExp 缈昏瘧娉ㄨВ + * @return 瑙f瀽鍚庡�� + * @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; + } + + /** + * 鍙嶅悜瑙f瀽鍊� 鐢�=0,濂�=1,鏈煡=2 + * + * @param propertyValue 鍙傛暟鍊� + * @param converterExp 缈昏瘧娉ㄨВ + * @return 瑙f瀽鍚庡�� + * @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; + } + + /** + * 缂栫爜鏂囦欢鍚� + */ + public String encodingFilename(String filename) + { + filename = UUID.randomUUID().toString() + "_" + filename + ".xlsx"; + return filename; + } + + /** + * 鑾峰彇涓嬭浇璺緞 + * + * @param filename 鏂囦欢鍚嶇О + */ + public String getAbsoluteFile(String filename) + { + String downloadPath = RuoYiConfig.getDownloadPath() + filename; + File desc = new File(downloadPath); + if (!desc.getParentFile().exists()) + { + desc.getParentFile().mkdirs(); + } + return downloadPath; + } + + /** + * 鑾峰彇bean涓殑灞炴�у�� + * + * @param vo 瀹炰綋瀵硅薄 + * @param field 瀛楁 + * @param excel 娉ㄨВ + * @return 鏈�缁堢殑灞炴�у�� + * @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; + } + + /** + * 浠ョ被鐨勫睘鎬х殑get鏂规硶鏂规硶褰㈠紡鑾峰彇鍊� + * + * @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; + } + + /** + * 寰楀埌鎵�鏈夊畾涔夊瓧娈� + */ + private void createExcelField() + { + this.fields = new ArrayList<Object[]>(); + List<Field> tempFields = new ArrayList<>(); + tempFields.addAll(Arrays.asList(clazz.getSuperclass().getDeclaredFields())); + tempFields.addAll(Arrays.asList(clazz.getDeclaredFields())); + for (Field field : tempFields) + { + // 鍗曟敞瑙� + if (field.isAnnotationPresent(Excel.class)) + { + putToField(field, field.getAnnotation(Excel.class)); + } + + // 澶氭敞瑙� + if (field.isAnnotationPresent(Excels.class)) + { + Excels attrs = field.getAnnotation(Excels.class); + Excel[] excels = attrs.value(); + for (Excel excel : excels) + { + putToField(field, excel); + } + } + } + } + + /** + * 鏀惧埌瀛楁闆嗗悎涓� + */ + private void putToField(Field field, Excel attr) + { + if (attr != null && (attr.type() == Type.ALL || attr.type() == type)) + { + this.fields.add(new Object[] { field, attr }); + } + } + + /** + * 鍒涘缓涓�涓伐浣滅翱 + */ + public void createWorkbook() + { + this.wb = new SXSSFWorkbook(500); + } + + /** + * 鍒涘缓宸ヤ綔琛� + * + * @param sheetNo sheet鏁伴噺 + * @param index 搴忓彿 + */ + public void createSheet(double sheetNo, int index) + { + this.sheet = wb.createSheet(); + this.styles = createStyles(wb); + // 璁剧疆宸ヤ綔琛ㄧ殑鍚嶇О. + if (sheetNo == 0) + { + wb.setSheetName(index, sheetName); + } + else + { + wb.setSheetName(index, sheetName + index); + } + } + + /** + * 鑾峰彇鍗曞厓鏍煎�� + * + * @param row 鑾峰彇鐨勮 + * @param column 鑾峰彇鍗曞厓鏍煎垪鍙� + * @return 鍗曞厓鏍煎�� + */ + 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 鏃ユ湡鏍煎紡杞崲 + } + 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; + } +} \ No newline at end of file -- Gitblit v1.9.3