POI工具类（兼容2003和2007）
package com.booway.util;
import java.io.File;
import java.io.IOException;
import java.util.HashMap;
import java.util.Map;
import org.apache.log4j.Logger;
import org.apache.poi.hssf.usermodel.HSSFCell;
import org.apache.poi.hssf.usermodel.HSSFCellStyle;
import org.apache.poi.openxml4j.exceptions.InvalidFormatException;
import org.apache.poi.ss.usermodel.Cell;
import org.apache.poi.ss.usermodel.CellStyle;
import org.apache.poi.ss.usermodel.DataFormat;
import org.apache.poi.ss.usermodel.Font;
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;
import org.apache.poi.xssf.usermodel.XSSFCell;
import org.apache.poi.xssf.usermodel.XSSFCellStyle;
/**
*
* @ClassName: ExcelUtil
* @Description: 对Excel操作的工具类
*
* @date 2019年1月30日
*
*/
public class ExcelUtil
{
private static Logger logger = Logger.getLogger(ExcelUtil.class);
/**
* @throws IOException
* @throws FileNotFoundException
*
* @Title: getWorkBook
* @Description: 得到工作蒲
* @param @param in
* @param @return
* @param @throws IOException 参数
* @return Workbook 返回类型
* @throws
*/
public static Workbook getWorkBook(File file)
{
try
{
return WorkbookFactory.create(file);
} catch (InvalidFormatException | IOException e)
{
logger.error("", e);
}
return null;
}
/**
*
* @Title: CopySheet
* @Description: 复制sheet文件
* @param @param srcSheet
* @param @param destSheet 参数
* @return void 返回类型
* @throws
*/
public static void CopySheet(Sheet srcSheet, Sheet destSheet)
{
int maxColumnNum = 0;
Map
for (int i = srcSheet.getFirstRowNum(); i <= srcSheet.getLastRowNum(); i++)
{
Row srcRow = srcSheet.getRow(i);
Row destRow = destSheet.createRow(i);
if (srcRow != null)
{
ExcelUtil.copyRow(srcSheet, srcSheet, srcRow, destRow, styleMap);
if (srcRow.getLastCellNum() > maxColumnNum)
{
maxColumnNum = srcRow.getLastCellNum();
}
}
}
// 合并单元格
mergerRegion(destSheet, srcSheet);
for (int i = 0; i <= maxColumnNum; i++)
{
//设置列宽
destSheet.setColumnWidth(i, srcSheet.getColumnWidth(i));
}
}
/**
*
* @Title: copyRow
* @Description: 复制行
* @param @param srcSheet
* @param @param destSheet
* @param @param srcRow
* @param @param destRow
* @param @param styleMap 参数
* @return void 返回类型
* @throws
*/
public static void copyRow(Sheet srcSheet, Sheet destSheet, Row srcRow, Row destRow,
Map
{
// 设置行高
destRow.setHeight(srcRow.getHeight());
for (int j = srcRow.getFirstCellNum(); j <= srcRow.getLastCellNum(); j++)
{
Cell srcCell = srcRow.getCell(j);
Cell destCell = destRow.getCell(j);
if (srcCell != null)
{
if (destCell == null)
{
destCell = destRow.createCell(j);
}
ExcelUtil.copyCell(srcCell, destCell, styleMap);
}
}
}
/**
*
* @Title: copyCell
* @Description: 复制列
* @param @param srcCell
* @param @param destCell
* @param @param styleMap 参数
* @return void 返回类型
* @throws
*/
public static void copyCell(Cell srcCell, Cell destCell, Map
{
if (styleMap != null)
{
if (srcCell.getSheet().getWorkbook() == destCell.getSheet().getWorkbook())
{
destCell.setCellStyle(srcCell.getCellStyle());
} else
{
if (srcCell.getCellStyle().getDataFormatString() != null)
{
int stHashCode = srcCell.getCellStyle().hashCode();
CellStyle newCellStyle = styleMap.get(stHashCode);
if (newCellStyle == null)
{
if ((srcCell instanceof HSSFCell && destCell instanceof HSSFCell)
|| (srcCell instanceof XSSFCell && destCell instanceof XSSFCell))
{
newCellStyle = destCell.getSheet().getWorkbook().createCellStyle();
newCellStyle.cloneStyleFrom(srcCell.getCellStyle());
} else
{
newCellStyle = cloneStyleFrom(srcCell, destCell);
}
styleMap.put(stHashCode, newCellStyle);
}
destCell.setCellStyle(newCellStyle);
}
}
}
switch (srcCell.getCellType())
{
case Cell.CELL_TYPE_STRING:
destCell.setCellValue(srcCell.getStringCellValue());
break;
case Cell.CELL_TYPE_NUMERIC:
destCell.setCellValue(srcCell.getNumericCellValue());
break;
case Cell.CELL_TYPE_BLANK:
destCell.setCellType(Cell.CELL_TYPE_BLANK);
break;
case Cell.CELL_TYPE_BOOLEAN:
destCell.setCellValue(srcCell.getBooleanCellValue());
break;
case Cell.CELL_TYPE_ERROR:
destCell.setCellErrorValue(srcCell.getErrorCellValue());
break;
case Cell.CELL_TYPE_FORMULA:
destCell.setCellFormula(srcCell.getCellFormula());
break;
default:
break;
}
}
/**
*
* @Title: createCell
* @Description: 创建下一列
* @param @param row
* @param @return 参数
* @return Cell 返回类型
* @throws
*/
public static Cell createNextCell(Row row)
{
int num = row.getLastCellNum();
if (num == -1)
{
num = 0;
}
return row.createCell(num);
}
/**
*
* @Title: createNextRow
* @Description: 创建下一行
* @param @param sheet
* @param @return 参数
* @return Row 返回类型
* @throws
*/
public static Row createNextRow(Sheet sheet)
{
return sheet.createRow(sheet.getLastRowNum() + 1);
}
/**
*
* @Title: mergerRegion
* @Description: 合并单元格
* @param @param targetSheet
* @param @param sourceSheet 参数
* @return void 返回类型
* @throws
*/
public static void mergerRegion(Sheet targetSheet, Sheet sourceSheet)
{
for (int i = 0; i < sourceSheet.getNumMergedRegions(); i++)
{
CellRangeAddress oldRange = sourceSheet.getMergedRegion(i);
CellRangeAddress newRange = new CellRangeAddress(oldRange.getFirstRow(), oldRange.getLastRow(),
oldRange.getFirstColumn(), oldRange.getLastColumn());
targetSheet.addMergedRegion(newRange);
}
}
/**
*
* @Title: cloneStyleFrom
* @Description: 不同文件类型用来拷贝格式
* @param @param srcCell
* @param @param destCell
* @param @return 参数
* @return CellStyle 返回类型
* @throws
*/
public static CellStyle cloneStyleFrom(Cell srcCell, Cell destCell)
{
Workbook srcwb= srcCell.getSheet().getWorkbook();
Workbook destwb = destCell.getSheet().getWorkbook();
CellStyle srcStyle = srcCell.getCellStyle();
CellStyle destStyle = destwb.createCellStyle();
Font destFont = destCell.getSheet().getWorkbook().createFont();
if (srcStyle instanceof XSSFCellStyle)
{
destStyle.setFont(cloneFont(destFont, ((XSSFCellStyle) srcStyle).getFont()));
} else
{
destStyle.setFont(cloneFont(destFont, ((HSSFCellStyle) srcStyle).getFont(srcwb)));
}
destStyle.setAlignment(srcStyle.getAlignment());
destStyle.setBorderBottom(srcStyle.getBorderBottom());
destStyle.setBorderLeft(srcStyle.getBorderLeft());
destStyle.setBorderRight(srcStyle.getBorderRight());
destStyle.setBorderTop(srcStyle.getBorderTop());
destStyle.setDataFormat(cloneData( srcwb, destwb,srcStyle.getDataFormat()));
destStyle.setFillBackgroundColor(srcStyle.getFillBackgroundColor());
destStyle.setFillForegroundColor(srcStyle.getFillForegroundColor());
destStyle.setFillPattern(srcStyle.getFillPattern());
destStyle.setHidden(srcStyle.getHidden());
destStyle.setIndention(srcStyle.getIndention());
destStyle.setLocked(srcStyle.getLocked());
destStyle.setVerticalAlignment(srcStyle.getVerticalAlignment());
destStyle.setWrapText(srcStyle.getWrapText());
return destStyle;
}
/**
*
* @Title: cloneFont
* @Description: 复制字体
* @param @param destFont
* @param @param srcFont
* @param @return 参数
* @return Font 返回类型
* @throws
*/
public static Font cloneFont(Font destFont, Font srcFont)
{
destFont.setBoldweight(srcFont.getBoldweight());
destFont.setCharSet(srcFont.getCharSet());
destFont.setColor(srcFont.getColor());
destFont.setFontName(srcFont.getFontName());
destFont.setFontHeight(srcFont.getFontHeight());
destFont.setItalic(srcFont.getItalic());
destFont.setStrikeout(srcFont.getStrikeout());
destFont.setTypeOffset(srcFont.getTypeOffset());
destFont.setUnderline(srcFont.getUnderline());
return destFont;
}
/**
*
* @Title: cloneData
* @Description: 复制时间
* @param @param srcwb
* @param @param destwb
* @param @param index
* @param @return 参数
* @return short 返回类型
* @throws
*/
public static short cloneData( Workbook srcwb,Workbook destwb,short index) {
DataFormat srcFormat = srcwb.createDataFormat();
DataFormat destFormat = destwb.createDataFormat();
return destFormat.getFormat(srcFormat.getFormat(index));
}
}