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@ -1,403 +0,0 @@
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package com.dsideal.Base.Util;
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import org.apache.poi.ss.usermodel.*;
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import org.apache.poi.ss.usermodel.DateUtil;
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import org.apache.poi.ss.util.CellRangeAddress;
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import org.apache.poi.ss.util.CellRangeAddressList;
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import org.apache.poi.xssf.usermodel.*;
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import java.io.*;
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import java.math.BigDecimal;
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import java.text.SimpleDateFormat;
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import java.util.*;
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public class PoiUtil {
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/**
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* 功能：对于指定Cell中文字进行加红色(*)提醒
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*
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* @param wb
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* @param cell
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*/
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public static void addStar(XSSFWorkbook wb, XSSFCell cell) {
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XSSFFont fontRed = wb.createFont();//第一种字体
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fontRed.setBold(true);
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fontRed.setColor(IndexedColors.RED.getIndex());
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fontRed.setFontHeightInPoints((short) 14);
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fontRed.setFontName("黑体");
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XSSFFont fontBlack = wb.createFont();//第二种字体
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fontBlack.setColor(IndexedColors.BLACK.getIndex());
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fontBlack.setFontName("宋体");
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fontRed.setBold(true);
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fontBlack.setFontHeightInPoints((short) 12);
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String txt = cell.getStringCellValue();
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int len = txt.length();
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if (len == 0) {
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System.out.println(cell.getSheet().getSheetName());
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System.out.println(cell.getRowIndex() + " " + cell.getColumnIndex());
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System.out.println(cell.getStringCellValue());
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System.out.println("发现问题：" + txt);
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System.exit(0);
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}
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txt += "(*)";
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XSSFRichTextString richText = new XSSFRichTextString(txt);//全部文字
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richText.applyFont(0, len, fontBlack); // 从第0个字符到第2个字符应用font1
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richText.applyFont(len, len + 3, fontRed); // 从第2个字符到第4个字符应用font2
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cell.setCellValue(richText);//设置文字
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}
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/**
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* 功能：只改变单元格的颜色，其它的样式继承原来的样式
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*
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* @param cell
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* @param colorIdx
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*/
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public static void changeColor(Cell cell, short colorIdx) {
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// 创建单元格样式
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CellStyle style = cell.getCellStyle();
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// 设置背景颜色
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style.setFillForegroundColor(colorIdx);
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style.setFillPattern(FillPatternType.SOLID_FOREGROUND);
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// 应用样式到单元格
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cell.setCellStyle(style);
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}
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/**
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* 功能：移除所有批注信息
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*
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* @param sheet
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*/
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public static void RemoveAllComment(XSSFSheet sheet) {
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// 遍历所有行和单元格，移除批注
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for (Row row : sheet) {
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for (Cell cell : row) {
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if (cell.getCellComment() != null) {
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cell.removeCellComment();
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}
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}
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}
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}
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/**
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* 功能：将指定Sheet表中所有数据区域进行样式还原
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*
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* @param sheet
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*/
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public static void resetStyle(XSSFSheet sheet, int dataStartRow) {
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// 遍历所有行和单元格，恢复颜色
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for (int row = dataStartRow; row <= sheet.getLastRowNum(); row++) {
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for (int col = 0; col < sheet.getRow(row).getLastCellNum(); col++) {
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Cell cell = sheet.getRow(row).getCell(col);
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// 创建单元格样式
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CellStyle style = cell.getCellStyle();
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// 设置背景颜色
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style.setFillForegroundColor(IndexedColors.WHITE.getIndex());
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style.setFillPattern(FillPatternType.SOLID_FOREGROUND);
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// 应用样式到单元格
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cell.setCellStyle(style);
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}
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}
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}
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/**
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* 功能：修改指定单元格的样式
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*
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* @param wb
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* @return
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*/
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public static void addComment(Workbook wb, Cell cell, String str) {
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Sheet sheet = cell.getSheet();
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// 判断单元格上是否存在批注
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if (cell.getCellComment() != null) {
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// 如果存在批注，先删除
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cell.removeCellComment();
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}
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// 创建批注
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Drawing<?> drawing = sheet.createDrawingPatriarch();
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CreationHelper factory = wb.getCreationHelper();
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ClientAnchor anchor = factory.createClientAnchor();
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anchor.setCol1(cell.getColumnIndex());
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anchor.setCol2(cell.getColumnIndex() + 2);
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anchor.setRow1(cell.getRow().getRowNum());
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anchor.setRow2(cell.getRow().getRowNum() + 3);
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Comment comment = drawing.createCellComment(anchor);
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comment.setString(factory.createRichTextString(str));
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// 将批注添加到单元格
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cell.setCellComment(comment);
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}
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/**
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* 功能：在EXCEL的指定范围内添加上下拉框，内容通过String[]提供
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*
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* @param workbook
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* @param sheetIdx
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* @param firstRow
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* @param lastRow
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* @param firstCol
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* @param lastCol
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* @return
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*/
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public static void addValidation(Workbook workbook, int sheetIdx, String options, int firstRow, int lastRow, int firstCol, int lastCol) {
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String[] optionArray = options.split(",");
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Sheet sheet = workbook.getSheetAt(sheetIdx);
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// 删除已有的校验
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DataValidationHelper dvHelper = sheet.getDataValidationHelper();
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DataValidationConstraint dvConstraint = dvHelper.createCustomConstraint("DELETE_ALL");
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CellRangeAddressList addressList = new CellRangeAddressList(0, 0, 0, 0); // 设置一个范围，例如整个表格范围
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DataValidation validation = dvHelper.createValidation(dvConstraint, addressList);
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validation.setSuppressDropDownArrow(true);
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sheet.addValidationData(validation);
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// 创建数据验证对象
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DataValidationHelper validationHelper = sheet.getDataValidationHelper();
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DataValidationConstraint constraint = validationHelper.createExplicitListConstraint(optionArray);
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addressList = new CellRangeAddressList(firstRow, lastRow, firstCol, lastCol); // 指定单元格范围
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validation = validationHelper.createValidation(constraint, addressList);
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// 应用数据验证到单元格
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sheet.addValidationData(validation);
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}
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/**
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* 功能：获取指定Cell的内容值
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*
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* @param cell
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* @return
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*/
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//获取单元格各类型值，返回字符串类型
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public static String getValue(Cell cell) {
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//判断是否为null或空串
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if (cell == null || cell.toString().trim().equals("")) {
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return "";
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}
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String cellValue = "";
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switch (cell.getCellType()) {
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case NUMERIC: // 数字
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short format = cell.getCellStyle().getDataFormat();
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if (DateUtil.isCellDateFormatted(cell)) {
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SimpleDateFormat sdf = null;
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//System.out.println("cell.getCellStyle().getDataFormat()="+cell.getCellStyle().getDataFormat());
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if (format == 20 || format == 32) {
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sdf = new SimpleDateFormat("HH:mm");
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} else if (format == 14 || format == 31 || format == 57 || format == 58) {
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// 处理自定义日期格式：m月d日(通过判断单元格的格式id解决，id的值是58)
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sdf = new SimpleDateFormat("yyyy-MM-dd");
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double value = cell.getNumericCellValue();
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Date date = org.apache.poi.ss.usermodel.DateUtil
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.getJavaDate(value);
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cellValue = sdf.format(date);
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} else {// 日期
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sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
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}
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try {
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cellValue = sdf.format(cell.getDateCellValue());// 日期
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} catch (Exception e) {
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try {
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throw new Exception("exception on get date data !".concat(e.toString()));
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} catch (Exception e1) {
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e1.printStackTrace();
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}
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} finally {
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sdf = null;
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}
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} else {
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BigDecimal bd = new BigDecimal(cell.getNumericCellValue());
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cellValue = bd.toPlainString();// 数值 这种用BigDecimal包装再获取plainString，可以防止获取到科学计数值
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}
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break;
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case STRING: // 字符串
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cellValue = cell.getStringCellValue();
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break;
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case BOOLEAN: // Boolean
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cellValue = cell.getBooleanCellValue() + "";
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break;
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case FORMULA: // 公式
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cellValue = cell.getCellFormula();
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break;
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case BLANK: // 空值
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cellValue = "";
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break;
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case ERROR: // 故障
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cellValue = "ERROR VALUE";
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break;
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default:
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cellValue = "UNKNOW VALUE";
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break;
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}
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return cellValue;
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}
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/**
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* 功能：判断一个单元格是不是被合并了
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*
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* @param sheet
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* @return
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*/
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public static boolean isMerged(XSSFSheet sheet, XSSFCell cell) {
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// 判断单元格是否被合并
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for (CellRangeAddress range : sheet.getMergedRegions()) {
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if (cell.getRowIndex() >= range.getFirstRow() && cell.getRowIndex() <= range.getLastRow()
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&& cell.getColumnIndex() >= range.getFirstColumn() && cell.getColumnIndex() <= range.getLastColumn()) {
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return true;
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}
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}
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return false;
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}
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/**
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* )
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* 获取单元格vo
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*
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* @param cell 单元格
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* @return
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*/
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public static String getColor(XSSFCell cell) {
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if (cell != null) {
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//背景颜色
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CellStyle cellStyle = cell.getCellStyle();
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XSSFColor xssfColor = (XSSFColor) cellStyle.getFillForegroundColorColor();
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byte[] bytes;
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if (xssfColor != null) {
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bytes = xssfColor.getRGB();
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return String.format("#%02X%02X%02X", bytes[0], bytes[1], bytes[2]);
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}
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}
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return "BLANK";
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}
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/**
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* 功能：查找指定Sheet中的表头开始位置与结束位置,目前只支持一个Sheet一个导入模板，并且，只支持单行或双行表头
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*
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* @param sheet
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* @return
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*/
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public static List<Integer> getHead(XSSFSheet sheet) {
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List<Integer> list = new ArrayList<>();
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//整行都是同一种非空白颜色，视为表头
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// 遍历行
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for (int i = 0; i <= sheet.getLastRowNum(); i++) {
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//获得行
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XSSFRow row = sheet.getRow(i);
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//遍历列
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if (row != null) {
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Map<String, Integer> _map = new HashMap<>();
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for (int j = 0; j < row.getLastCellNum(); j++) {
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//获取单元格
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XSSFCell cell = row.getCell(j);
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if (cell == null) continue;
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String color = getColor(cell);
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//记录背景颜色数量
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if (_map.containsKey(color))
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_map.put(color, _map.get(color) + 1);
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else
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_map.put(color, 1);
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}
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if (_map.size() == 1 && _map.entrySet().iterator().next().getKey().startsWith("#")) {
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list.add(i + 1);
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}
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}
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}
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return list;
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}
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/**
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* 功能：设置整数类型格式
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*
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* @param wb
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* @param sheetIdx
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* @param colIdx
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* @param firstRow
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* @param lastRow
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*/
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public static void setIntegerStyle(XSSFWorkbook wb, int sheetIdx, int colIdx, int firstRow, int lastRow) {
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XSSFSheet sheet = wb.getSheetAt(sheetIdx);
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XSSFDataValidationHelper dvHelper = new XSSFDataValidationHelper(sheet);
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XSSFDataValidationConstraint dvConstraint = (XSSFDataValidationConstraint) dvHelper.createNumericConstraint(
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DataValidationConstraint.ValidationType.INTEGER, XSSFDataValidationConstraint.OperatorType.BETWEEN,
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String.valueOf(Integer.MIN_VALUE), String.valueOf(Integer.MAX_VALUE)
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);
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CellRangeAddressList addressList = new CellRangeAddressList(firstRow, lastRow, colIdx, colIdx);
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XSSFDataValidation validation = (XSSFDataValidation) dvHelper.createValidation(dvConstraint, addressList);
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validation.setSuppressDropDownArrow(false);
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validation.setShowErrorBox(true);
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sheet.addValidationData(validation);
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}
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/**
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* 功能：设置浮点数类型格式
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*
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* @param wb
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* @param sheetIdx
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* @param colIdx
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* @param firstRow
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* @param lastRow
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*/
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public static void setFloatStyle(XSSFWorkbook wb, int sheetIdx, int colIdx, int firstRow, int lastRow) {
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XSSFSheet sheet = wb.getSheetAt(sheetIdx);
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XSSFDataValidationHelper dvHelper = new XSSFDataValidationHelper(sheet);
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XSSFDataValidationConstraint dvConstraint = (XSSFDataValidationConstraint) dvHelper.createNumericConstraint(
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DataValidationConstraint.ValidationType.DECIMAL, XSSFDataValidationConstraint.OperatorType.BETWEEN,
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String.valueOf(Float.MIN_VALUE), String.valueOf(Float.MAX_VALUE)
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);
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CellRangeAddressList addressList = new CellRangeAddressList(firstRow, lastRow, colIdx, colIdx);
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XSSFDataValidation validation = (XSSFDataValidation) dvHelper.createValidation(dvConstraint, addressList);
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validation.setSuppressDropDownArrow(false);
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validation.setShowErrorBox(true);
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sheet.addValidationData(validation);
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}
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/**
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|
* 功能：设置日期格式
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|
*
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|
* @param wb
|
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|
* @param sheetIdx
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|
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|
* @param colIdx
|
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|
|
|
* @param firstRow
|
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|
|
|
* @param lastRow
|
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|
|
|
*/
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|
|
public static void setDateStyle(XSSFWorkbook wb, int sheetIdx, int colIdx, int firstRow, int lastRow) {
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|
XSSFSheet sheet = wb.getSheetAt(sheetIdx);
|
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|
|
|
XSSFDataValidationHelper dvHelper = new XSSFDataValidationHelper(sheet);
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|
|
|
DataValidationConstraint dvConstraint = dvHelper
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|
|
.createDateConstraint(DataValidationConstraint.OperatorType.BETWEEN, "date(1900,1,1)", "date(2099,12,31)", "yyyy/MM/dd");
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|
|
|
CellRangeAddressList addressList = new CellRangeAddressList(firstRow, lastRow, colIdx, colIdx);
|
|
|
|
|
XSSFDataValidation validation = (XSSFDataValidation) dvHelper.createValidation(dvConstraint, addressList);
|
|
|
|
|
validation.setSuppressDropDownArrow(false);
|
|
|
|
|
validation.setShowErrorBox(true);
|
|
|
|
|
sheet.addValidationData(validation);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
public static void main(String[] args) throws IOException {
|
|
|
|
|
// InputStream is = new FileInputStream("D:\\dsWork\\dsBase\\src\\main\\resource\\Excel\\sheet.xlsx");
|
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|
|
|
// XSSFWorkbook wb = new XSSFWorkbook(is);
|
|
|
|
|
//
|
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|
|
// setIntegerStyle(wb, 0, 2, 0, 20000);
|
|
|
|
|
//
|
|
|
|
|
// setFloatStyle(wb, 0, 3, 0, 20000);
|
|
|
|
|
//
|
|
|
|
|
// setDateStyle(wb, 0, 4, 0, 20000);
|
|
|
|
|
// //保存
|
|
|
|
|
// FileOutputStream fileOut = new FileOutputStream("D:\\dsWork\\dsBase\\src\\main\\resource\\Excel\\b61a2af2-223f-4058-a675-b212e4dd9487_finish.xlsx");
|
|
|
|
|
// wb.write(fileOut);
|
|
|
|
|
// //关闭Excel
|
|
|
|
|
// wb.close();
|
|
|
|
|
|
|
|
|
|
String f2 = "D:\\dsWork\\dsBase\\src\\main\\resource\\Excel\\4.xlsx";
|
|
|
|
|
InputStream is = new FileInputStream(f2);
|
|
|
|
|
XSSFWorkbook wb = new XSSFWorkbook(is);
|
|
|
|
|
int sheet_index = 1;
|
|
|
|
|
int row_index = 3;
|
|
|
|
|
int col_index = 7;
|
|
|
|
|
XSSFCell cell = wb.getSheetAt(sheet_index).getRow(row_index).getCell(col_index);
|
|
|
|
|
Object value = getValue(cell);
|
|
|
|
|
System.out.println(value);
|
|
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
}
|
