Excel工业级读取工具类
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最近在做一个自动化匹配快速导入功能,对excel表格导入的一些问题发一个工业级的读取发工具类
import org.apache.poi.ss.usermodel.*;
import org.apache.poi.ss.util.CellRangeAddress;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.io.File;
import java.io.IOException;
import java.text.NumberFormat;
import org.apache.poi.openxml4j.exceptions.InvalidFormatException;
import org.apache.poi.ss.usermodel.Cell;
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.usermodel.WorkbookFactory;
import org.apache.poi.ss.util.CellRangeAddress;
/**
* Excel相关处理
*
* @author HUAWEI
*/
public class ExcelMaterialExtUtil
private static final Logger logger = LoggerFactory.getLogger(ExcelMaterialExtUtil.class);
/**
* 读取excel文件
* @param sheetIndex sheet页下标:从0开始
* @param startReadLine 开始读取的行:从0开始
* @param tailLine 去除最后读取的行
*/
private static void readExcel(Workbook wb, int sheetIndex, int startReadLine, int tailLine)
Sheet sheet = wb.getSheetAt(sheetIndex);
Row row = null;
for (int i = startReadLine; i < sheet.getLastRowNum() - tailLine + 1; i++)
row = sheet.getRow(i);
for (Cell c : row)
boolean isMerge = isMergedRegion(sheet, i, c.getColumnIndex());
// 判断是否具有合并单元格
if (isMerge)
String rs = getMergedRegionValue(sheet, row.getRowNum(), c.getColumnIndex());
logger.info(rs + "");
else
logger.info(getCellValue(c) + "");
/**
* 获取合并单元格的值
*/
public static String getMergedRegionValue(Sheet sheet, int row, int column)
int sheetMergeCount = sheet.getNumMergedRegions();
for (int i = 0; i < sheetMergeCount; i++)
CellRangeAddress ca = sheet.getMergedRegion(i);
int firstColumn = ca.getFirstColumn();
int lastColumn = ca.getLastColumn();
int firstRow = ca.getFirstRow();
int lastRow = ca.getLastRow();
if (row >= firstRow && row <= lastRow)
if (column >= firstColumn && column <= lastColumn)
Row fRow = sheet.getRow(firstRow);
Cell fCell = fRow.getCell(firstColumn);
return getCellValue(fCell);
return null;
/**
* 判断合并了行
*/
private static boolean isMergedRow(Sheet sheet, int row, int column)
int sheetMergeCount = sheet.getNumMergedRegions();
for (int i = 0; i < sheetMergeCount; i++)
CellRangeAddress range = sheet.getMergedRegion(i);
int firstColumn = range.getFirstColumn();
int lastColumn = range.getLastColumn();
int firstRow = range.getFirstRow();
int lastRow = range.getLastRow();
if (row == firstRow && row == lastRow)
if (column >= firstColumn && column <= lastColumn)
return true;
return false;
/**
* 判断指定的单元格是否是合并单元格
* @param row 行下标
* @param column 列下标
*/
public static boolean isMergedRegion(Sheet sheet, int row, int column)
int sheetMergeCount = sheet.getNumMergedRegions();
for (int i = 0; i < sheetMergeCount; i++)
CellRangeAddress range = sheet.getMergedRegion(i);
int firstColumn = range.getFirstColumn();
int lastColumn = range.getLastColumn();
int firstRow = range.getFirstRow();
int lastRow = range.getLastRow();
if (row >= firstRow && row <= lastRow)
if (column >= firstColumn && column <= lastColumn)
return true;
return false;
/**
* 判断sheet页中是否含有合并单元格
*/
private static boolean hasMerged(Sheet sheet)
return sheet.getNumMergedRegions() > 0 ? true : false;
/**
* 合并单元格
* @param firstRow 开始行
* @param lastRow 结束行
* @param firstCol 开始列
* @param lastCol 结束列
*/
private static void mergeRegion(Sheet sheet, int firstRow, int lastRow, int firstCol, int lastCol)
sheet.addMergedRegion(new CellRangeAddress(firstRow, lastRow, firstCol, lastCol));
/**
* 获得excel 单元格的值
* @param cell
* @return
*/
public static String getCellValue(Cell cell)
if (cell == null) return "";
if (cell.getCellType() == CellType.STRING)
return cell.getStringCellValue();
if (cell.getCellType() == CellType.BOOLEAN)
return String.valueOf(cell.getBooleanCellValue());
if (cell.getCellType() == CellType.FORMULA)
return formulaFormat(cell) ;
if (cell.getCellType() == CellType.NUMERIC)
Double numericCellValue = cell.getNumericCellValue() ;
if( numericCellValue != null && numericCellValue%1.0==0 )
return Integer.toString( numericCellValue.intValue() );
return String.valueOf( numericCellValue );
if (cell.getCellType() == CellType.ERROR)
return String.valueOf(cell.getErrorCellValue());
return "";
/****
* CellType.FORMULA 数据的处理
* @param cell
* @return
*/
public static String formulaFormat( Cell cell )
String cellValue = "" ;
switch (cell.getCachedFormulaResultType())
case STRING:
cellValue = cell.getStringCellValue();
break;
case NUMERIC:
NumberFormat nf = NumberFormat.getInstance();
nf.setGroupingUsed(false);
cellValue = String.valueOf(nf.format(cell.getNumericCellValue()));
break;
case BOOLEAN:
cellValue = String.valueOf(cell.getBooleanCellValue());
break;
default:
cellValue = cell.getCellFormula();
return cellValue ;
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