原文地址http://hi.baidu.com/j_changhong/item/981fa58d05fa755926ebd96b注原文是3.6 此文是3.9
java读取excel文件的顺序是:
Excel文件->工作表->行->单元格 对应到POI中,为:workbook->sheet->row->cell
注意:
注意:
1.sheet, 以0开始,以workbook.getNumberOfSheets()-1结束
2.row, 以0开始(getFirstRowNum),以getLastRowNum结束
3.cell, 以0开始(getFirstCellNum),以getLastCellNum结束,
结束的数目不知什么原因与显示的长度不同,可能会偏长
//import org.apache.poi.ss.usermodel.contrib.CellUtil;
//import org.apache.poi.ss.usermodel.contrib.RegionUtil;
这两个类已更换到 这两个类移动是3.7开始变的
//import org.apache.poi.ss.util.CellUtil;
//import org.apache.poi.ss.util.RegionUtil;
package com.svse.test;
import java.awt.Color;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.util.Calendar;
import java.util.Date;
import org.apache.poi.hssf.usermodel.HSSFCell;
import org.apache.poi.hssf.usermodel.HSSFClientAnchor;
import org.apache.poi.hssf.usermodel.HSSFFooter;
import org.apache.poi.hssf.usermodel.HSSFPatriarch;
import org.apache.poi.hssf.usermodel.HSSFRichTextString;
import org.apache.poi.hssf.usermodel.HSSFShape;
import org.apache.poi.hssf.usermodel.HSSFSheet;
import org.apache.poi.hssf.usermodel.HSSFSimpleShape;
import org.apache.poi.hssf.usermodel.HSSFTextbox;
import org.apache.poi.hssf.usermodel.HSSFWorkbook;
import org.apache.poi.hssf.util.HSSFColor;
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.ClientAnchor;
import org.apache.poi.ss.usermodel.CreationHelper;
import org.apache.poi.ss.usermodel.DataFormat;
import org.apache.poi.ss.usermodel.DateUtil;
import org.apache.poi.ss.usermodel.Drawing;
import org.apache.poi.ss.usermodel.Font;
import org.apache.poi.ss.usermodel.IndexedColors;
import org.apache.poi.ss.usermodel.Picture;
import org.apache.poi.ss.usermodel.PrintSetup;
import org.apache.poi.ss.usermodel.RichTextString;
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.usermodel.contrib.CellUtil;
//import org.apache.poi.ss.usermodel.contrib.RegionUtil;
import org.apache.poi.ss.util.CellRangeAddress;
import org.apache.poi.ss.util.CellReference;
import org.apache.poi.ss.util.CellUtil;
import org.apache.poi.ss.util.RegionUtil;
import org.apache.poi.util.IOUtils;
import org.apache.poi.xssf.usermodel.XSSFCellStyle;
import org.apache.poi.xssf.usermodel.XSSFWorkbook;
import org.junit.BeforeClass;
import org.junit.Test;
/**
* @author WESTDREAM
* @since 2010-8-7 下午10:34:03
*/
public class POIExcelTest {
/\*\*
\* @throws java.lang.Exception
\*/
public static final String XLS\_WORKBOOK\_LOCATION = "D:/workbook.xls";
public static final String XLS\_OR\_XLSX\_DIR = "D:/";
public static final String XLSX\_WORKBOOK\_LOCATION = "D:/workbook.xlsx";
public static final String IMAGE\_LOCATION = "book.jpg";
@BeforeClass
public static void setUpBeforeClass() throws Exception {
}
@Test
public void testWriteExcel() {
// ## 重复利用 的对象 ##//
Workbook wb = null;
FileOutputStream fileOut = null;
CellStyle cellStyle = null;
Cell cell = null;
Font font = null;
/\*\*
\* EXCEL早期版本
\*/
try {
// ## 创建早期EXCEL的Workbook ##//
wb = new HSSFWorkbook();
// ## 获取HSSF和XSSF的辅助类 ##//
CreationHelper createHelper = wb.getCreationHelper();
// ## 创建一个名为“New Sheet”的Sheet ##//
Sheet sheet = wb.createSheet("New Sheet");
/\*\* 第一行 --- CELL创建,数据填充及日期格式 \*\*/
Row row1 = sheet.createRow(0);
// Cell cell = row.createCell(0);
// cell.setCellValue(1);
// ## 在相应的位置填充数据 ##//
row1.createCell(0).setCellValue(1);
row1.createCell(1).setCellValue(1.2);
row1.createCell(2).setCellValue(
createHelper.createRichTextString("CreationHelper---字符串"));
row1.createCell(3).setCellValue(true);
// ## 填充日期类型的数据---未设置Cell Style ##//
row1.createCell(4).setCellValue(new Date());
// ## 填充日期类型的数据---已设置Cell Style ##//
cellStyle = wb.createCellStyle();
cellStyle.setDataFormat(createHelper.createDataFormat().getFormat(
"yyyy年MM月dd日 hh:mm:ss"));
// cellStyle.setDataFormat(createHelper.createDataFormat().getFormat("mm/dd/yyyy h:mm"));
cellStyle.setDataFormat(createHelper.createDataFormat().getFormat(
"yyyy-MM-dd hh:mm:ss"));
cell = row1.createCell(5);
cell.setCellValue(new Date());
cell.setCellStyle(cellStyle);
// ## 另一种创建日期的方法 ##//
/\*
\* cell = row1.createCell(6);
\* cell.setCellValue(Calendar.getInstance());
\* cell.setCellStyle(cellStyle);
\*/
/\*\* 第二行 --- 数据类型 \*\*/
Row row2 = sheet.createRow(1);
row2.createCell(0).setCellValue(1.1);
row2.createCell(1).setCellValue(new Date());
row2.createCell(2).setCellValue(Calendar.getInstance());
row2.createCell(3).setCellValue("字符串");
row2.createCell(4).setCellValue(true);
// ## 错误的CELL数据格式 ##//
row2.createCell(5).setCellType(HSSFCell.CELL\_TYPE\_ERROR);
/\*\* 第三行 --- CELL的各种对齐方式 \*\*/
Row row3 = sheet.createRow(2);
row3.setHeightInPoints(30);
// ## 水平居中,底端对齐 ##//
createCell(wb, row3, (short) 0, XSSFCellStyle.ALIGN\_CENTER,
XSSFCellStyle.VERTICAL\_BOTTOM);
// ## 水平居中,垂直居中 ##//
createCell(wb, row3, (short) 1,
XSSFCellStyle.ALIGN\_CENTER\_SELECTION,
XSSFCellStyle.VERTICAL\_BOTTOM);
// ## 填充 ,垂直居中 ##//
createCell(wb, row3, (short) 2, XSSFCellStyle.ALIGN\_FILL,
XSSFCellStyle.VERTICAL\_CENTER);
// ## 左对齐,垂直居中 ##//
createCell(wb, row3, (short) 3, XSSFCellStyle.ALIGN\_GENERAL,
XSSFCellStyle.VERTICAL\_CENTER);
// ## 左对齐,顶端对齐 ##//
createCell(wb, row3, (short) 4, XSSFCellStyle.ALIGN\_JUSTIFY,
XSSFCellStyle.VERTICAL\_JUSTIFY);
// ## 左对齐,顶端对齐 ##//
createCell(wb, row3, (short) 5, XSSFCellStyle.ALIGN\_LEFT,
XSSFCellStyle.VERTICAL\_TOP);
// ## 右对齐,顶端对齐 ##//
createCell(wb, row3, (short) 6, XSSFCellStyle.ALIGN\_RIGHT,
XSSFCellStyle.VERTICAL\_TOP);
/\*\* 第四行 --- CELL边框 \*\*/
Row row4 = sheet.createRow(3);
cell = row4.createCell(1);
cell.setCellValue(4);
cellStyle = wb.createCellStyle();
// ## 设置底部边框为THIN ##//
cellStyle.setBorderBottom(CellStyle.BORDER\_THIN);
// ## 设置底部边框颜色为黑色 ##//
cellStyle.setBottomBorderColor(IndexedColors.BLACK.getIndex());
// ## 设置左边边框为THIN ##//
cellStyle.setBorderLeft(CellStyle.BORDER\_THIN);
// ## 设置左边边框颜色为红色 ##//
cellStyle.setLeftBorderColor(IndexedColors.RED.getIndex());
// ## 设置右边边框为THIN ##//
cellStyle.setBorderRight(CellStyle.BORDER\_THIN);
// ## 设置右边边框颜色为蓝色 ##//
cellStyle.setRightBorderColor(IndexedColors.BLUE.getIndex());
// ## 设置顶部边框为MEDIUM DASHED ##//
cellStyle.setBorderTop(CellStyle.BORDER\_MEDIUM\_DASHED);
// ## 设置顶部边框颜色为黑色 ##//
cellStyle.setTopBorderColor(IndexedColors.BLACK.getIndex());
cell.setCellStyle(cellStyle);
/\*\* 第五行 --- 填充与颜色 \*\*/
Row row5 = sheet.createRow((short) 4);
// ## Aqua背景 ##//
cellStyle = wb.createCellStyle();
cellStyle.setFillBackgroundColor(IndexedColors.AQUA.getIndex());
// ## 设置填充模式为BIG SPOTS ##//
cellStyle.setFillPattern(CellStyle.BIG\_SPOTS);
cell = row5.createCell((short) 1);
cell.setCellValue("Aqua背景");
cell.setCellStyle(cellStyle);
// ## 橙色前景色(相对 于CELL背景) ##//
cellStyle = wb.createCellStyle();
cellStyle.setFillForegroundColor(IndexedColors.ORANGE.getIndex());
// ## 设置填充模式为SOLID FOREGROUND ##//
cellStyle.setFillPattern(CellStyle.SOLID\_FOREGROUND);
cell = row5.createCell((short) 2);
cell.setCellValue("橙色前景色");
cell.setCellStyle(cellStyle);
/\*\* 第六行 --- 合并单元格 \*\*/
Row row6 = sheet.createRow((short) 5);
cell = row6.createCell((short) 4);
cell.setCellValue("合并单元格测试");
// ## Wrong:EXCEL 2007中打开workbook.xls文件看不到"合并单元格测试",但单元格已经合并了 ##//
/\*
\* sheet.addMergedRegion(new CellRangeAddress( 3, //first row
\* (0-based) 5, //last row (0-based) 4, //first column (0-based) 6
\* //last column (0-based) ));
\*/
// ## 正确合并单元格 注意:与上不同的是first row=last row ##//
sheet.addMergedRegion(new CellRangeAddress(5, // first row (0-based)
5, // last row (0-based)
4, // first column (0-based)
6// last column (0-based)
));
/\*\* 第七行 --- 字体 \*\*/
Row row7 = sheet.createRow(6);
// ## 创建字体 ##//
// 注意:POI限制一个Workbook创建的Font对象最多为32767,所以不要为每个CELL创建一个字体,建议重用字体
font = wb.createFont();
// ## 设置字体大小为24 ##//
font.setFontHeightInPoints((short) 24);
// ## 设置字体样式为华文隶书 ##//
font.setFontName("华文隶书");
// ## 斜体 ##//
font.setItalic(true);
// ## 添加删除线 ##//
font.setStrikeout(true);
// ## 将字体添加到样式中 ##//
cellStyle = wb.createCellStyle();
cellStyle.setFont(font);
cell = row7.createCell(1);
cell.setCellValue("字体测试");
cell.setCellStyle(cellStyle);
/\*\* 第八行 --- 自定义颜色 \*\*/
Row row8 = sheet.createRow(7);
cell = row8.createCell(0);
cell.setCellValue("自定义颜色测试");
cellStyle = wb.createCellStyle();
// ## 设置填充前景色为LIME ##//
cellStyle.setFillForegroundColor(HSSFColor.LIME.index);
// ## 设置填充模式为SOLID FOREGROUND ##//
cellStyle.setFillPattern(CellStyle.SOLID\_FOREGROUND);
font = wb.createFont();
// ## 设置字体颜色为红色 ##//
font.setColor(HSSFColor.RED.index);
cellStyle.setFont(font);
cell.setCellStyle(cellStyle);
/\*
\* cell.setCellValue("自定义颜色测试Palette"); //creating a custom palette
\* for the workbook HSSFPalette palette =
\* ((HSSFWorkbook)wb).getCustomPalette(); //replacing the standard
\* red with freebsd.org red
\* palette.setColorAtIndex(HSSFColor.RED.index, (byte) 153, //RGB
\* red (0-255) (byte) 0, //RGB green (byte) 0 //RGB blue );
\* //replacing lime with freebsd.org gold
\* palette.setColorAtIndex(HSSFColor.LIME.index, (byte) 255, (byte)
\* 204, (byte) 102);
\*/
/\*\* 第九行 --- 换行 \*\*/
Row row9 = sheet.createRow(8);
cell = row9.createCell(2);
cell.setCellValue("使用 /n及Word-wrap创建一个新行");
cellStyle = wb.createCellStyle();
// ## 设置WrapText为true ##//
cellStyle.setWrapText(true);
cell.setCellStyle(cellStyle);
// ## 设置行的高度以适应新行 ---两行##//
row9.setHeightInPoints((2 \* sheet.getDefaultRowHeightInPoints()));
// ## 调整列宽 ##//
sheet.autoSizeColumn(2);
/\*\* 第十行 --- 数据格式 \*\*/
DataFormat format = wb.createDataFormat();
Row row10 = sheet.createRow(9);
cell = row10.createCell(0);
cell.setCellValue(11111.25);
cellStyle = wb.createCellStyle();
// ## 一位小数 ##//
cellStyle.setDataFormat(format.getFormat("0.0"));
cell.setCellStyle(cellStyle);
cell = row10.createCell(1);
cell.setCellValue(11111.25);
cellStyle = wb.createCellStyle();
// ## 四位小数,千位逗号隔开 ##//
// #,###.0000效果一样
cellStyle.setDataFormat(format.getFormat("#,##0.0000"));
cell.setCellStyle(cellStyle);
// ## 将文件写到硬盘上 ##//
fileOut = new FileOutputStream(XLS\_WORKBOOK\_LOCATION);
wb.write(fileOut);
fileOut.close();
} catch (FileNotFoundException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
/\*\*
\* EXCEL 2007及以后
\*/
/\*
\* try { wb = new XSSFWorkbook(); wb.createSheet("sheet1"); Cell cell =
\* row.createCell( 0); cell.setCellValue("custom XSSF colors");
\* CellStyle style1 = wb.createCellStyle();
\* style1.setFillForegroundColor(new XSSFColor(new java.awt.Color(128,
\* 0, 128))); style1.setFillPattern(CellStyle.SOLID\_FOREGROUND); fileOut
\* = new FileOutputStream("d:/workbook.xlsx"); wb.write(fileOut);
\* fileOut.close(); } catch (FileNotFoundException e) {
\* e.printStackTrace(); } catch (IOException e) { e.printStackTrace(); }
\*/
}
/\*\*
\* 创建相应格式的CELL
\*/
public void createCell(Workbook wb, Row row, short column, short halign,
short valign) {
Cell cell = row.createCell(column);
// ## 给CELL赋值 ##//
cell.setCellValue("对齐排列");
CellStyle cellStyle = wb.createCellStyle();
// ## 设置水平对齐方式 ##//
cellStyle.setAlignment(halign);
// ## 设置垂直对齐方式 ##//
cellStyle.setVerticalAlignment(valign);
// ## 添加CELL样式 ##//
cell.setCellStyle(cellStyle);
}
/\*\*
\* 测试POI EXCEL迭代和或CELL中的值
\*/
@Test
public void testExcelIteratorAndCellContents() {
try {
// ## 创建HSSFWorkbook实例 ##//
Workbook wb = new HSSFWorkbook(new FileInputStream(
XLS\_WORKBOOK\_LOCATION));
// ## 获得第一个SHEET ##//
Sheet sheet = wb.getSheetAt(0); // or we could cast into
// HSSFSheet,that doesn't matter
/\*\* 第一种迭代方法 \*\*/
/\*
\* //## 迭代ROW ##// for (Iterator<Row> rit = sheet.rowIterator();
\* rit.hasNext(); ) { Row row = rit.next(); //## 迭代CELL ##// for
\* (Iterator<Cell> cit = row.cellIterator(); cit.hasNext(); ) { Cell
\* cell = cit.next(); System.out.println(cell); } }
\*/
/\*\* 第二种迭代方法 \*\*/
for (Row row : sheet) {
for (Cell cell : row) {
// ## 获取CellReference对象 ##/
CellReference cellRef = new CellReference(row.getRowNum(),
cell.getColumnIndex());
System.out.print(cellRef.formatAsString());
System.out.print(" - ");
// ## 根据CELL值类型进行相应处理 ##/
switch (cell.getCellType()) {
case Cell.CELL\_TYPE\_STRING:
System.out.println(cell.getRichStringCellValue()
.getString());
break;
case Cell.CELL\_TYPE\_NUMERIC:
// ## yyyy年mm月dd日 hh:mm:ss此种格式日期不能识别 ##//
// ## mm/dd/yyyy h:mm,yyyy-MM-dd
// hh:mm:ss可以识别,估计是POI对中文日期支持不怎么好的问题 ##//
if (DateUtil.isCellDateFormatted(cell)) {
System.out.println(cell.getDateCellValue());
} else {
System.out.println(cell.getNumericCellValue());
}
break;
case Cell.CELL\_TYPE\_BOOLEAN:
System.out.println(cell.getBooleanCellValue());
break;
case Cell.CELL\_TYPE\_FORMULA:
System.out.println(cell.getCellFormula());
break;
case Cell.CELL\_TYPE\_ERROR:
System.out.println(cell.getErrorCellValue());
break;
default:
System.out.println();
}
}
}
} catch (FileNotFoundException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
}
/\*\*
\* 修改文件测试
\*/
@Test
public void testReadingAndRewritingWorkbooks() {
InputStream inp = null;
try {
inp = new FileInputStream(XLS\_WORKBOOK\_LOCATION);
// inp = new FileInputStream("workbook.xlsx");
// ## 获得要修改的Workbook ##/
Workbook wb = WorkbookFactory.create(inp);
// ## 获取要修改的Sheet ##//
Sheet sheet = wb.getSheetAt(0);
// ## 获取要修改的Row ##//
Row row = sheet.getRow(1);
// ## 获取要修改的Cell,如果没有相应位置的Cell那么就创建一个 ##//
Cell cell = row.getCell(2);
if (cell == null)
cell = row.createCell(2);
// ## 写入修改数据 ##//
cell.setCellType(Cell.CELL\_TYPE\_STRING);
cell.setCellValue("修改文件测试");
// ## 将文件写到硬盘上 ##//
FileOutputStream fileOut = new FileOutputStream(
XLS\_WORKBOOK\_LOCATION);
wb.write(fileOut);
fileOut.close();
} catch (FileNotFoundException e) {
e.printStackTrace();
} catch (InvalidFormatException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
}
/\*\*
\* 暂时没看到有什么区别
\*/
@Test
public void testFitSheetToOnePage() {
try {
Workbook wb = new HSSFWorkbook();
Sheet sheet = wb.createSheet("format sheet");
PrintSetup ps = sheet.getPrintSetup();
sheet.setAutobreaks(true);
ps.setFitHeight((short) 1);
ps.setFitWidth((short) 1);
// Create various cells and rows for spreadsheet.
FileOutputStream fileOut = new FileOutputStream(
XLS\_WORKBOOK\_LOCATION);
wb.write(fileOut);
fileOut.close();
} catch (Exception e) {
e.printStackTrace();
}
}
/\*\*
\* 设置打印区域测试
\*/
@Test
public void testSetPrintArea() {
/\*\*
\* 注意:我测试的时候用的是EXCEL 2007打开的,效果不明显,只能控制列且列好像也是不正确的。 但是我用EXCEL
\* 2007转换了一下,xls,xlsx的都正确了,目前还不知道是什么问题。
\*/
try {
Workbook wb = new HSSFWorkbook();
Sheet sheet = wb.createSheet("Print Area Sheet");
Row row = sheet.createRow(0);
row.createCell(0).setCellValue("第一个单元格");
row.createCell(1).setCellValue("第二个单元格");
row.createCell(2).setCellValue("第三个单元格");
row = sheet.createRow(1);
row.createCell(0).setCellValue("第四个单元格");
row.createCell(1).setCellValue("第五个单元格");
row = sheet.createRow(2);
row.createCell(0).setCellValue("第六个单元格");
row.createCell(1).setCellValue("第七个单元格");
// ## 设置打印区域 A1--C2 ##//
// wb.setPrintArea(0, "$A$1:$C$2");
// ## 或者使用以下方法设置 ##//
wb.setPrintArea(0, // Sheet页
0, // 开始列
2, // 结束列
0, // 开始行
1// 结束行
);
FileOutputStream fileOut = new FileOutputStream(
XLS\_WORKBOOK\_LOCATION);
wb.write(fileOut);
fileOut.close();
} catch (FileNotFoundException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
}
/\*\*
\* 设置页脚测试 用“页面布局”可以看到效果 下列代码只适用xls
\*/
@Test
public void testSetPageNumbersOnFooter() {
try {
HSSFWorkbook wb = new HSSFWorkbook();
HSSFSheet sheet = wb.createSheet("Footer Test");
// ## 获得页脚 ##/
HSSFFooter footer = sheet.getFooter();
Row row;
// ## 将 当前页/总页数 写在右边 ##/
footer.setRight(HSSFFooter.page() + "/" + HSSFFooter.numPages());
for (int i = 0; i < 100; i++) {
row = sheet.createRow(i);
for (int j = 0; j < 20; j++) {
row.createCell(j).setCellValue("A" + i + j);
}
}
FileOutputStream fileOut = new FileOutputStream(
XLS\_WORKBOOK\_LOCATION);
wb.write(fileOut);
fileOut.close();
} catch (FileNotFoundException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
}
/\*\*
\* 测试一些POI提供的比较方便的函数 文档中有些以HSSF为前缀的类的方法以过时(e.g: HSSFSheet, HSSFCell etc.),
\* 测试的时候我去掉了HSSF前缀,当然也就是现在POI推荐的接口(Sheet,Row,Cell etc.)
\*/
@Test
public void testConvenienceFunctions() {
try {
Workbook wb = new HSSFWorkbook();
Sheet sheet1 = wb.createSheet("Convenience Functions");
// ## 设置Sheet的显示比例 这里是3/4,也就是 75% ##//
sheet1.setZoom(3, 4);
// ## 合并单元格 ##//
Row row = sheet1.createRow((short) 1);
Row row2 = sheet1.createRow((short) 2);
Cell cell = row.createCell((short) 1);
cell.setCellValue("合并单元格测试");
// ## 创建合并区域 ##//
CellRangeAddress region = new CellRangeAddress(1, (short) 1, 4,
(short) 4);
sheet1.addMergedRegion(region);
// ## 设置边框及边框颜色 ##//
final short borderMediumDashed = CellStyle.BORDER\_MEDIUM\_DASHED;
RegionUtil.setBorderBottom(borderMediumDashed, region, sheet1, wb);
RegionUtil.setBorderTop(borderMediumDashed, region, sheet1, wb);
RegionUtil.setBorderLeft(borderMediumDashed, region, sheet1, wb);
RegionUtil.setBorderRight(borderMediumDashed, region, sheet1, wb);
// ## 设置底部边框的颜色 ##//
RegionUtil.setBottomBorderColor(HSSFColor.AQUA.index, region,
sheet1, wb);
// ## 设置顶部边框的颜色 ##//
RegionUtil.setTopBorderColor(HSSFColor.AQUA.index, region, sheet1,
wb);
// ## 设置左边边框的颜色 ##//
RegionUtil.setLeftBorderColor(HSSFColor.AQUA.index, region, sheet1,
wb);
// ## 设置右边边框的颜色 ##//
RegionUtil.setRightBorderColor(HSSFColor.AQUA.index, region,
sheet1, wb);
// ## CellUtil的一些用法 ##/
CellStyle style = wb.createCellStyle();
style.setIndention((short) 10);
CellUtil.createCell(row, 8, "CellUtil测试", style);
Cell cell2 = CellUtil.createCell(row2, 8, "CellUtil测试");
// ## 设置对齐方式为居中对齐 ##//
CellUtil.setAlignment(cell2, wb, CellStyle.ALIGN\_CENTER);
// ## 将Workbook写到硬盘上 ##//
FileOutputStream fileOut = new FileOutputStream(
XLS\_WORKBOOK\_LOCATION);
wb.write(fileOut);
fileOut.close();
} catch (FileNotFoundException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
}
/\*\*
\* 测试冻结窗格和拆分
\*/
@Test
public void testSplitAndFreezePanes() {
try {
Workbook wb = new HSSFWorkbook();
Sheet sheet1 = wb.createSheet("冻结首行Sheet");
Sheet sheet2 = wb.createSheet("冻结首列Sheet");
Sheet sheet3 = wb.createSheet("冻结两行两列 Sheet");
Sheet sheet4 = wb.createSheet("拆分Sheet");
/\*\* 冻结窗格 \*\*/
/\*
\* createFreezePane( colSplit, rowSplit, topRow, leftmostColumn )
\* colSplit 冻结线水平位置 rowSplit 冻结线垂直位置 topRow Top row visible in
\* bottom pane leftmostColumn Left column visible in right pane.
\*/
// ## 冻结首行 ##//
sheet1.createFreezePane(0, 1, 0, 1);
// ## 冻结首列 ##//
sheet2.createFreezePane(1, 0, 1, 0);
// ## 冻结两行两列 ##//
sheet3.createFreezePane(2, 2);
// ## 拆分,左下的为面板为激活状态 ##//
sheet4.createSplitPane(2000, 2000, 0, 0, Sheet.PANE\_LOWER\_LEFT);
FileOutputStream fileOut = new FileOutputStream(
XLS\_WORKBOOK\_LOCATION);
wb.write(fileOut);
fileOut.close();
} catch (FileNotFoundException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
}
/\*\*
\* 测试简单图形
\*/
@Test
public void testDrawingShapes() {
try {
Workbook wb = new HSSFWorkbook();
Sheet sheet = wb.createSheet("Drawing Shapes");
// ## 得到一个HSSFPatriarch对象,有点像画笔但是注意区别 ##//
HSSFPatriarch patriarch = (HSSFPatriarch) sheet
.createDrawingPatriarch();
/\*
\* 构造器: HSSFClientAnchor(int dx1, int dy1, int dx2, int dy2, short
\* col1, int row1, short col2, int row2) 描述:
\* 创建HSSFClientAnchor类的实例,设置该anchor的顶-左和底-右坐标(相当于锚点,也就是图像出现的位置,大小等).
\* Creates a new client anchor and sets the top-left and
\* bottom-right coordinates of the anchor. 参数: dx1 第一个单元格的x坐标 dy1
\* 第一个单元格的y坐标 dx2 第二个单元格的x坐标 dy2 第二个单元格的y坐标 col1 第一个单元格所在列 row1
\* 第一个单元格所在行 col2 第二个单元格所在列 row2 第二个单元格所在行
\*/
HSSFClientAnchor anchor = new HSSFClientAnchor(0, 0, 512, 255,
(short) 1, 0, (short) 1, 0);
// ## 通过HSSFClientAnchor类的对象创建HSSFSimpleShape的实例 ##//
HSSFSimpleShape shape = patriarch.createSimpleShape(anchor);
// ## 画个椭圆 ##//
shape.setShapeType(HSSFSimpleShape.OBJECT\_TYPE\_OVAL);
// ## 这几个是没问题的 ##//
// shape.setLineStyleColor(10,10,10);
// shape.setFillColor(90,10,200);
// shape.setLineStyleColor(HSSFColor.BLUE.index); //设置不了,尚不知原因
// ## 设置线条颜色为红色 ##//
// shape.setLineStyleColor(Color.BLUE.getRGB()); //搞不清楚为什是反的BLUE:红色
// RED:蓝色,是不是开发POI的有点色盲,JUST KIDDING!
// ## 设置填充颜色为灰色 ##//
shape.setFillColor(Color.GRAY.getRGB()); // 这个又可以
// ## 设置线条宽度为3pt ##//
shape.setLineWidth(HSSFShape.LINEWIDTH\_ONE\_PT \* 3);
// ## 设置线条的样式为点式 ##//
shape.setLineStyle(HSSFShape.LINESTYLE\_DOTSYS);
// ## 创建文本框并填充文字 “创建文本框” ##//
HSSFTextbox textbox = patriarch.createTextbox(new HSSFClientAnchor(
0, 0, 0, 0, (short) 1, 1, (short) 2, 2));
RichTextString text = new HSSFRichTextString("创建文本框");
// ## 创建字体 ##//
Font font = wb.createFont();
// ## 斜体 ##//
font.setItalic(true);
// ## 设置字体颜色为蓝色 ##//
// font.setColor((short)Color.BLUE.getBlue()); not work
font.setColor(HSSFColor.BLUE.index);
// ## 添加字体 ##//
text.applyFont(font);
textbox.setString(text);
// ## 将文件写到硬盘上 ##//
FileOutputStream fileOut = new FileOutputStream(
XLS\_WORKBOOK\_LOCATION);
wb.write(fileOut);
fileOut.close();
} catch (FileNotFoundException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
}
/\*\*
\* 添加图片到工作薄测试 已测试PNG,JPG,GIF
\*/
@Test
public void testImages() {
try {
// ## 创建一个新的工作薄 ##//
Workbook wb = new XSSFWorkbook(); // or new HSSFWorkbook();
// ## 添加图片到该工作薄 ##//
InputStream is = new FileInputStream(IMAGE\_LOCATION);
byte\[\] bytes = IOUtils.toByteArray(is);
int pictureIdx = wb.addPicture(bytes, Workbook.PICTURE\_TYPE\_JPEG);
is.close();
CreationHelper helper = wb.getCreationHelper();
// ## 创建一个名为“添加图片”的Sheet ##//
Sheet sheet = wb.createSheet("添加图片");
// ## 创建一个DrawingPatriarch实例 ##//
Drawing drawing = sheet.createDrawingPatriarch();
// ## 设置图片的形状,位置等 ##//
ClientAnchor anchor = helper.createClientAnchor();
// set top-left corner of the picture,
// subsequent call of Picture#resize() will operate relative to it
anchor.setCol1(3);
anchor.setRow1(2);
Picture pict = drawing.createPicture(anchor, pictureIdx);
// ## 自动设置图片的大小 注意:只支持PNG,JPG,GIF(BMP未测试)##//
pict.resize();
// ## 保存Workbook ##//
String file = "picture.xls";
if (wb instanceof XSSFWorkbook)
file += "x";
FileOutputStream fileOut = new FileOutputStream(XLS\_OR\_XLSX\_DIR
+ file);
wb.write(fileOut);
fileOut.close();
} catch (FileNotFoundException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
}
}
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