POI實現匯出Excel級聯操作
阿新 • • 發佈：2019-02-07
百度經驗關於Eecel怎麼設定級聯下拉的設定http://jingyan.baidu.com/article/afd8f4de98dad134e286e9a9.html
package com.test; import java.io.FileOutputStream; import java.util.HashMap; import org.apache.poi.hssf.usermodel.DVConstraint; import org.apache.poi.hssf.usermodel.HSSFDataValidation; import org.apache.poi.hssf.usermodel.HSSFWorkbook; import org.apache.poi.ss.usermodel.Cell; import org.apache.poi.ss.usermodel.CellStyle; import org.apache.poi.ss.usermodel.DataValidation; import org.apache.poi.ss.usermodel.Font; import org.apache.poi.ss.usermodel.IndexedColors; import org.apache.poi.ss.usermodel.Name; import org.apache.poi.ss.usermodel.Row; import org.apache.poi.ss.usermodel.Sheet; import org.apache.poi.ss.usermodel.Workbook; import org.apache.poi.ss.util.CellRangeAddressList; public class POICascadeTest { private static String EXCEL_HIDE_SHEET_NAME = "excelhidesheetname"; private static String HIDE_SHEET_NAME_SEX = "sexList"; private static String HIDE_SHEET_NAME_PROVINCE = "provinceList"; private HashMap map = new HashMap(); //設定下拉列表的內容 private static String[] sexList = {"男","女"}; private static String[] provinceList = {"浙江","山東","江西","江蘇","四川"}; private static String[] zjProvinceList = {"浙江","杭州","寧波","溫州"}; private static String[] sdProvinceList = {"山東","濟南","青島","煙臺"}; private static String[] jxProvinceList = {"江西","南昌","新餘","鷹潭","撫州"}; private static String[] jsProvinceList = {"江蘇","南京","蘇州","無錫"}; private static String[] scProvinceList = {"四川","成都","綿陽","自貢"}; public static void main(String[] args) { //使用事例 Workbook wb = new HSSFWorkbook(); // 建立標題欄 createExcelMo(wb); //建立隱藏的Sheet頁 creatExcelHidePage(wb); //資料驗證 setDataValidation(wb); FileOutputStream fileOut; try { fileOut = new FileOutputStream("f://excel_template.xls"); wb.write(fileOut); fileOut.close(); } catch (Exception e) { e.printStackTrace(); } } public static void createExcelMo(Workbook wb){ Sheet sheet = wb.createSheet("使用者分類新增批導"); // Create a row and put some cells in it. Rows are 0 based. Row row = sheet.createRow(0); Cell cell = row.createCell(0); cell.setCellValue("手機號碼"); cell.setCellStyle(getTitleStyle(wb)); cell = row.createCell(1); cell.setCellValue("所屬父類"); cell.setCellStyle(getTitleStyle(wb)); cell = row.createCell(2); cell.setCellValue("所屬子類"); cell.setCellStyle(getTitleStyle(wb)); cell = row.createCell(3); } /** * 設定模板檔案的橫向表頭單元格的樣式 * @param wb * @return */ private static CellStyle getTitleStyle(Workbook wb){ CellStyle style = wb.createCellStyle(); //對齊方式設定 style.setAlignment(CellStyle.ALIGN_CENTER); //邊框顏色和寬度設定 style.setBorderBottom(CellStyle.BORDER_THIN); style.setBottomBorderColor(IndexedColors.BLACK.getIndex()); style.setBorderLeft(CellStyle.BORDER_THIN); style.setLeftBorderColor(IndexedColors.BLACK.getIndex()); style.setBorderRight(CellStyle.BORDER_THIN); style.setRightBorderColor(IndexedColors.BLACK.getIndex()); style.setBorderTop(CellStyle.BORDER_THIN); style.setTopBorderColor(IndexedColors.BLACK.getIndex()); style.setFillBackgroundColor(IndexedColors.GREY_25_PERCENT.getIndex()); //設定背景顏色 style.setFillForegroundColor(IndexedColors.GREY_25_PERCENT.getIndex()); style.setFillPattern(CellStyle.SOLID_FOREGROUND); //粗體字設定 Font font = wb.createFont(); font.setBoldweight(Font.BOLDWEIGHT_BOLD); style.setFont(font); return style; } /** * 設定模板檔案的橫向表頭單元格的樣式 * @param wb * @return */ public static void creatExcelHidePage(Workbook workbook){ Sheet hideInfoSheet = workbook.createSheet(EXCEL_HIDE_SHEET_NAME);//隱藏一些資訊 //在隱藏頁設定選擇資訊 //第一行設定性別資訊 Row sexRow = hideInfoSheet.createRow(0); creatRow(sexRow, sexList); //第二行設定省份名稱列表 Row provinceNameRow = hideInfoSheet.createRow(1); creatRow(provinceNameRow, provinceList); //以下行設定城市名稱列表 Row cityNameRow = hideInfoSheet.createRow(2); creatRow(cityNameRow, zjProvinceList); cityNameRow = hideInfoSheet.createRow(3); creatRow(cityNameRow, sdProvinceList); cityNameRow = hideInfoSheet.createRow(4); creatRow(cityNameRow, jxProvinceList); cityNameRow = hideInfoSheet.createRow(5); creatRow(cityNameRow, jsProvinceList); cityNameRow = hideInfoSheet.createRow(6); creatRow(cityNameRow, scProvinceList); //名稱管理 //第一行設定性別資訊 creatExcelNameList(workbook, HIDE_SHEET_NAME_SEX, 1, sexList.length, false); //第二行設定省份名稱列表 creatExcelNameList(workbook, HIDE_SHEET_NAME_PROVINCE, 2, provinceList.length, false); //以後動態大小設定省份對應的城市列表 creatExcelNameList(workbook, provinceList[0], 3, zjProvinceList.length, true); creatExcelNameList(workbook, provinceList[1], 4, sdProvinceList.length, true); creatExcelNameList(workbook, provinceList[2], 5, jxProvinceList.length, true); creatExcelNameList(workbook, provinceList[3], 6, jsProvinceList.length, true); creatExcelNameList(workbook, provinceList[4], 7, scProvinceList.length, true); //設定隱藏頁標誌 workbook.setSheetHidden(workbook.getSheetIndex(EXCEL_HIDE_SHEET_NAME), true); } /** * 建立一個名稱 * @param workbook */ private static void creatExcelNameList(Workbook workbook,String nameCode,int order,int size,boolean cascadeFlag){ Name name; name = workbook.createName(); name.setNameName(nameCode); name.setRefersToFormula(EXCEL_HIDE_SHEET_NAME+"!"+creatExcelNameList(order,size,cascadeFlag)); } /** * 名稱資料行列計算表示式 * @param workbook */ private static String creatExcelNameList(int order,int size,boolean cascadeFlag){ char start = 'A'; if(cascadeFlag){ start = 'B'; if(size<=25){ char end = (char)(start+size-1); return "$"+start+"$"+order+":$"+end+"$"+order; }else{ char endPrefix = 'A'; char endSuffix = 'A'; if((size-25)/26==0||size==51){//26-51之間，包括邊界（僅兩次字母表計算） if((size-25)%26==0){//邊界值 endSuffix = (char)('A'+25); }else{ endSuffix = (char)('A'+(size-25)%26-1); } }else{//51以上 if((size-25)%26==0){ endSuffix = (char)('A'+25); endPrefix = (char)(endPrefix + (size-25)/26 - 1); }else{ endSuffix = (char)('A'+(size-25)%26-1); endPrefix = (char)(endPrefix + (size-25)/26); } } return "$"+start+"$"+order+":$"+endPrefix+endSuffix+"$"+order; } }else{ if(size<=26){ char end = (char)(start+size-1); return "$"+start+"$"+order+":$"+end+"$"+order; }else{ char endPrefix = 'A'; char endSuffix = 'A'; if(size%26==0){ endSuffix = (char)('A'+25); if(size>52&&size/26>0){ endPrefix = (char)(endPrefix + size/26-2); } }else{ endSuffix = (char)('A'+size%26-1); if(size>52&&size/26>0){ endPrefix = (char)(endPrefix + size/26-1); } } return "$"+start+"$"+order+":$"+endPrefix+endSuffix+"$"+order; } } } /** * 建立一列資料 * @param currentRow * @param textList */ private static void creatRow(Row currentRow,String[] textList){ if(textList!=null&&textList.length>0){ int i = 0; for(String cellValue : textList){ Cell userNameLableCell = currentRow.createCell(i++); userNameLableCell.setCellValue(cellValue); } } }/** * 新增資料驗證選項 * @param sheet */ public static void setDataValidation(Workbook wb){ int sheetIndex = wb.getNumberOfSheets(); if(sheetIndex>0){ for(int i=0;i<sheetIndex;i++){ Sheet sheet = wb.getSheetAt(i); if(!EXCEL_HIDE_SHEET_NAME.equals(sheet.getSheetName())){ DataValidation data_validation_list = null; //省份選項新增驗證資料 for(int a=2;a<3002;a++){ data_validation_list = getDataValidationByFormula(HIDE_SHEET_NAME_PROVINCE,a,2); sheet.addValidationData(data_validation_list); //城市選項新增驗證資料 data_validation_list = getDataValidationByFormula("INDIRECT($B"+(a-1)+")",a,3); sheet.addValidationData(data_validation_list); //性別新增驗證資料 data_validation_list = getDataValidationByFormula(HIDE_SHEET_NAME_SEX,a,1); sheet.addValidationData(data_validation_list); } } } } } /** * 使用已定義的資料來源方式設定一個數據驗證 * @param formulaString * @param naturalRowIndex * @param naturalColumnIndex * @return */ private static DataValidation getDataValidationByFormula(String formulaString,int naturalRowIndex,int naturalColumnIndex){ //載入下拉列表內容 DVConstraint constraint = DVConstraint.createFormulaListConstraint(formulaString); //設定資料有效性載入在哪個單元格上。 //四個引數分別是：起始行、終止行、起始列、終止列 int firstRow = naturalRowIndex-1; int lastRow = naturalRowIndex-1; int firstCol = naturalColumnIndex-1; int lastCol = naturalColumnIndex-1; CellRangeAddressList regions=new CellRangeAddressList(firstRow,lastRow,firstCol,lastCol); //資料有效性物件 DataValidation data_validation_list = new HSSFDataValidation(regions,constraint); //設定輸入資訊提示資訊 data_validation_list.createPromptBox("下拉選擇提示","請使用下拉方式選擇合適的值！"); //設定輸入錯誤提示資訊 data_validation_list.createErrorBox("選擇錯誤提示","你輸入的值未在備選列表中，請下拉選擇合適的值！"); return data_validation_list; } private static DataValidation getDataValidationByDate(int naturalRowIndex,int naturalColumnIndex){ //載入下拉列表內容 DVConstraint constraint = DVConstraint.createDateConstraint(DVConstraint.OperatorType.BETWEEN,"1900-01-01", "5000-01-01", "yyyy-mm-dd"); //設定資料有效性載入在哪個單元格上。 //四個引數分別是：起始行、終止行、起始列、終止列 int firstRow = naturalRowIndex-1; int lastRow = naturalRowIndex-1; int firstCol = naturalColumnIndex-1; int lastCol = naturalColumnIndex-1; CellRangeAddressList regions=new CellRangeAddressList(firstRow,lastRow,firstCol,lastCol); //資料有效性物件 DataValidation data_validation_list = new HSSFDataValidation(regions,constraint); //設定輸入資訊提示資訊 data_validation_list.createPromptBox("日期格式提示","請按照'yyyy-mm-dd'格式輸入日期值！"); //設定輸入錯誤提示資訊 data_validation_list.createErrorBox("日期格式錯誤提示","你輸入的日期格式不符合'yyyy-mm-dd'格式規範，請重新輸入！"); return data_validation_list; } }