zoukankan      html  css  js  c++  java
  • NPOI 导出表格无法自动计算解决

    1,设置sheet.ForceFormulaRecalculation = true;

    2,

    如果你的浏览器对文件进行读写保护时也无法计算出结果,更改浏览器或者打开时启动编辑就行。

    附上标准的NPOI操作程序

    /* ====================================================================
       Licensed to the Apache Software Foundation (ASF) under one or more
       contributor license agreements.  See the NOTICE file distributed with
       this work for additional information regarding copyright ownership.
       The ASF licenses this file to You under the Apache License, Version 2.0
       (the "License"); you may not use this file except in compliance with
       the License.  You may obtain a copy of the License at
    
           http://www.apache.org/licenses/LICENSE-2.0
    
       Unless required by applicable law or agreed to in writing, software
       distributed under the License is distributed on an "AS IS" BASIS,
       WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
       See the License for the specific language governing permissions and
       limitations under the License.
    ==================================================================== */
    
    package org.apache.poi.ss.examples;
    
    import org.apache.poi.xssf.usermodel.*;
    import org.apache.poi.ss.usermodel.*;
    import org.apache.poi.ss.util.CellRangeAddress;
    import org.apache.poi.hssf.usermodel.HSSFWorkbook;
    
    import java.util.Map;
    import java.util.HashMap;
    import java.io.FileOutputStream;
    
    /**
     * Simple Loan Calculator. Demonstrates advance usage of cell formulas and named ranges.
     *
     * Usage:
     *   LoanCalculator -xls|xlsx
     *
     * @author Yegor Kozlov
     */
    public class LoanCalculator {
    
        public static void main(String[] args) throws Exception {
            Workbook wb;
    
            if(args.length > 0 && args[0].equals("-xls")) wb = new HSSFWorkbook();
            else wb = new XSSFWorkbook();
    
            Map<String, CellStyle> styles = createStyles(wb);
            Sheet sheet = wb.createSheet("Loan Calculator");
            sheet.setPrintGridlines(false);
            sheet.setDisplayGridlines(false);
    
            PrintSetup printSetup = sheet.getPrintSetup();
            printSetup.setLandscape(true);
            sheet.setFitToPage(true);
            sheet.setHorizontallyCenter(true);
    
            sheet.setColumnWidth(0, 3*256);
            sheet.setColumnWidth(1, 3*256);
            sheet.setColumnWidth(2, 11*256);
            sheet.setColumnWidth(3, 14*256);
            sheet.setColumnWidth(4, 14*256);
            sheet.setColumnWidth(5, 14*256);
            sheet.setColumnWidth(6, 14*256);
    
            createNames(wb);
    
            Row titleRow = sheet.createRow(0);
            titleRow.setHeightInPoints(35);
            for (int i = 1; i <= 7; i++) {
                titleRow.createCell(i).setCellStyle(styles.get("title"));
            }
            Cell titleCell = titleRow.getCell(2);
            titleCell.setCellValue("Simple Loan Calculator");
            sheet.addMergedRegion(CellRangeAddress.valueOf("$C$1:$H$1"));
    
            Row row = sheet.createRow(2);
            Cell cell = row.createCell(4);
            cell.setCellValue("Enter values");
            cell.setCellStyle(styles.get("item_right"));
    
            row = sheet.createRow(3);
            cell = row.createCell(2);
            cell.setCellValue("Loan amount");
            cell.setCellStyle(styles.get("item_left"));
            cell = row.createCell(4);
            cell.setCellStyle(styles.get("input_$"));
            cell.setAsActiveCell();
    
            row = sheet.createRow(4);
            cell = row.createCell(2);
            cell.setCellValue("Annual interest rate");
            cell.setCellStyle(styles.get("item_left"));
            cell = row.createCell(4);
            cell.setCellStyle(styles.get("input_%"));
    
            row = sheet.createRow(5);
            cell = row.createCell(2);
            cell.setCellValue("Loan period in years");
            cell.setCellStyle(styles.get("item_left"));
            cell = row.createCell(4);
            cell.setCellStyle(styles.get("input_i"));
    
            row = sheet.createRow(6);
            cell = row.createCell(2);
            cell.setCellValue("Start date of loan");
            cell.setCellStyle(styles.get("item_left"));
            cell = row.createCell(4);
            cell.setCellStyle(styles.get("input_d"));
    
            row = sheet.createRow(8);
            cell = row.createCell(2);
            cell.setCellValue("Monthly payment");
            cell.setCellStyle(styles.get("item_left"));
            cell = row.createCell(4);
            cell.setCellFormula("IF(Values_Entered,Monthly_Payment,"")");
            cell.setCellStyle(styles.get("formula_$"));
    
            row = sheet.createRow(9);
            cell = row.createCell(2);
            cell.setCellValue("Number of payments");
            cell.setCellStyle(styles.get("item_left"));
            cell = row.createCell(4);
            cell.setCellFormula("IF(Values_Entered,Loan_Years*12,"")");
            cell.setCellStyle(styles.get("formula_i"));
    
            row = sheet.createRow(10);
            cell = row.createCell(2);
            cell.setCellValue("Total interest");
            cell.setCellStyle(styles.get("item_left"));
            cell = row.createCell(4);
            cell.setCellFormula("IF(Values_Entered,Total_Cost-Loan_Amount,"")");
            cell.setCellStyle(styles.get("formula_$"));
    
            row = sheet.createRow(11);
            cell = row.createCell(2);
            cell.setCellValue("Total cost of loan");
            cell.setCellStyle(styles.get("item_left"));
            cell = row.createCell(4);
            cell.setCellFormula("IF(Values_Entered,Monthly_Payment*Number_of_Payments,"")");
            cell.setCellStyle(styles.get("formula_$"));
    
    
            // Write the output to a file
            String file = "loan-calculator.xls";
            if(wb instanceof XSSFWorkbook) file += "x";
            FileOutputStream out = new FileOutputStream(file);
            wb.write(out);
            out.close();
        }
    
        /**
         * cell styles used for formatting calendar sheets
         */
        private static Map<String, CellStyle> createStyles(Workbook wb){
            Map<String, CellStyle> styles = new HashMap<>();
    
            CellStyle style;
            Font titleFont = wb.createFont();
            titleFont.setFontHeightInPoints((short)14);
            titleFont.setFontName("Trebuchet MS");
            style = wb.createCellStyle();
            style.setFont(titleFont);
            style.setBorderBottom(BorderStyle.DOTTED);
            style.setBottomBorderColor(IndexedColors.GREY_40_PERCENT.getIndex());
            styles.put("title", style);
    
            Font itemFont = wb.createFont();
            itemFont.setFontHeightInPoints((short)9);
            itemFont.setFontName("Trebuchet MS");
            style = wb.createCellStyle();
            style.setAlignment(HorizontalAlignment.LEFT);
            style.setFont(itemFont);
            styles.put("item_left", style);
    
            style = wb.createCellStyle();
            style.setAlignment(HorizontalAlignment.RIGHT);
            style.setFont(itemFont);
            styles.put("item_right", style);
    
            style = wb.createCellStyle();
            style.setAlignment(HorizontalAlignment.RIGHT);
            style.setFont(itemFont);
            style.setBorderRight(BorderStyle.DOTTED);
            style.setRightBorderColor(IndexedColors.GREY_40_PERCENT.getIndex());
            style.setBorderBottom(BorderStyle.DOTTED);
            style.setBottomBorderColor(IndexedColors.GREY_40_PERCENT.getIndex());
            style.setBorderLeft(BorderStyle.DOTTED);
            style.setLeftBorderColor(IndexedColors.GREY_40_PERCENT.getIndex());
            style.setBorderTop(BorderStyle.DOTTED);
            style.setTopBorderColor(IndexedColors.GREY_40_PERCENT.getIndex());
            style.setDataFormat(wb.createDataFormat().getFormat("_($* #,##0.00_);_($* (#,##0.00);_($* "-"??_);_(@_)"));
            styles.put("input_$", style);
    
            style = wb.createCellStyle();
            style.setAlignment(HorizontalAlignment.RIGHT);
            style.setFont(itemFont);
            style.setBorderRight(BorderStyle.DOTTED);
            style.setRightBorderColor(IndexedColors.GREY_40_PERCENT.getIndex());
            style.setBorderBottom(BorderStyle.DOTTED);
            style.setBottomBorderColor(IndexedColors.GREY_40_PERCENT.getIndex());
            style.setBorderLeft(BorderStyle.DOTTED);
            style.setLeftBorderColor(IndexedColors.GREY_40_PERCENT.getIndex());
            style.setBorderTop(BorderStyle.DOTTED);
            style.setTopBorderColor(IndexedColors.GREY_40_PERCENT.getIndex());
            style.setDataFormat(wb.createDataFormat().getFormat("0.000%"));
            styles.put("input_%", style);
    
            style = wb.createCellStyle();
            style.setAlignment(HorizontalAlignment.RIGHT);
            style.setFont(itemFont);
            style.setBorderRight(BorderStyle.DOTTED);
            style.setRightBorderColor(IndexedColors.GREY_40_PERCENT.getIndex());
            style.setBorderBottom(BorderStyle.DOTTED);
            style.setBottomBorderColor(IndexedColors.GREY_40_PERCENT.getIndex());
            style.setBorderLeft(BorderStyle.DOTTED);
            style.setLeftBorderColor(IndexedColors.GREY_40_PERCENT.getIndex());
            style.setBorderTop(BorderStyle.DOTTED);
            style.setTopBorderColor(IndexedColors.GREY_40_PERCENT.getIndex());
            style.setDataFormat(wb.createDataFormat().getFormat("0"));
            styles.put("input_i", style);
    
            style = wb.createCellStyle();
            style.setAlignment(HorizontalAlignment.CENTER);
            style.setFont(itemFont);
            style.setDataFormat(wb.createDataFormat().getFormat("m/d/yy"));
            styles.put("input_d", style);
    
            style = wb.createCellStyle();
            style.setAlignment(HorizontalAlignment.RIGHT);
            style.setFont(itemFont);
            style.setBorderRight(BorderStyle.DOTTED);
            style.setRightBorderColor(IndexedColors.GREY_40_PERCENT.getIndex());
            style.setBorderBottom(BorderStyle.DOTTED);
            style.setBottomBorderColor(IndexedColors.GREY_40_PERCENT.getIndex());
            style.setBorderLeft(BorderStyle.DOTTED);
            style.setLeftBorderColor(IndexedColors.GREY_40_PERCENT.getIndex());
            style.setBorderTop(BorderStyle.DOTTED);
            style.setTopBorderColor(IndexedColors.GREY_40_PERCENT.getIndex());
            style.setDataFormat(wb.createDataFormat().getFormat("$##,##0.00"));
            style.setBorderBottom(BorderStyle.DOTTED);
            style.setBottomBorderColor(IndexedColors.GREY_40_PERCENT.getIndex());
            style.setFillForegroundColor(IndexedColors.GREY_25_PERCENT.getIndex());
            style.setFillPattern(FillPatternType.SOLID_FOREGROUND);
            styles.put("formula_$", style);
    
            style = wb.createCellStyle();
            style.setAlignment(HorizontalAlignment.RIGHT);
            style.setFont(itemFont);
            style.setBorderRight(BorderStyle.DOTTED);
            style.setRightBorderColor(IndexedColors.GREY_40_PERCENT.getIndex());
            style.setBorderBottom(BorderStyle.DOTTED);
            style.setBottomBorderColor(IndexedColors.GREY_40_PERCENT.getIndex());
            style.setBorderLeft(BorderStyle.DOTTED);
            style.setLeftBorderColor(IndexedColors.GREY_40_PERCENT.getIndex());
            style.setBorderTop(BorderStyle.DOTTED);
            style.setTopBorderColor(IndexedColors.GREY_40_PERCENT.getIndex());
            style.setDataFormat(wb.createDataFormat().getFormat("0"));
            style.setBorderBottom(BorderStyle.DOTTED);
            style.setBottomBorderColor(IndexedColors.GREY_40_PERCENT.getIndex());
            style.setFillForegroundColor(IndexedColors.GREY_25_PERCENT.getIndex());
            style.setFillPattern(FillPatternType.SOLID_FOREGROUND);
            styles.put("formula_i", style);
    
            return styles;
        }
    
        //define named ranges for the inputs and formulas
        public static void createNames(Workbook wb){
            Name name;
    
            name = wb.createName();
            name.setNameName("Interest_Rate");
            name.setRefersToFormula("'Loan Calculator'!$E$5");
    
            name = wb.createName();
            name.setNameName("Loan_Amount");
            name.setRefersToFormula("'Loan Calculator'!$E$4");
    
            name = wb.createName();
            name.setNameName("Loan_Start");
            name.setRefersToFormula("'Loan Calculator'!$E$7");
    
            name = wb.createName();
            name.setNameName("Loan_Years");
            name.setRefersToFormula("'Loan Calculator'!$E$6");
    
            name = wb.createName();
            name.setNameName("Number_of_Payments");
            name.setRefersToFormula("'Loan Calculator'!$E$10");
    
            name = wb.createName();
            name.setNameName("Monthly_Payment");
            name.setRefersToFormula("-PMT(Interest_Rate/12,Number_of_Payments,Loan_Amount)");
    
            name = wb.createName();
            name.setNameName("Total_Cost");
            name.setRefersToFormula("'Loan Calculator'!$E$12");
    
            name = wb.createName();
            name.setNameName("Total_Interest");
            name.setRefersToFormula("'Loan Calculator'!$E$11");
    
            name = wb.createName();
            name.setNameName("Values_Entered");
            name.setRefersToFormula("IF(Loan_Amount*Interest_Rate*Loan_Years*Loan_Start>0,1,0)");
        }
    }
  • 相关阅读:
    linq的多表查询
    markdown语法
    遍历Hashtable、IDictionary、Dictionary<string, string>
    DOS修改文件夹权限
    kangle 3.2.0 发布,国产开源web服务器
    nat上传文件到google
    黄聪:C#中用ILMerge将所有引用的DLL和exe文件打成一个exe文件,有图解
    UltiDev Web Server Pro
    vs2010 命令行下用 msbuild 发布web站点
    asp.net重启网站
  • 原文地址:https://www.cnblogs.com/kbqLibrary/p/8521322.html
Copyright © 2011-2022 走看看