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JAVA处理Excel的三种实现方式(二)

2013-07-15 14:57 369 查看
awm96 2012-05-15 13:49
createExcel(excel6);

//modifyExcel(excel2);

}

static void readExcel(String filePath) throws Exception{

//HSSFWorkbook(用于处理xls)和XSSFWorkbook(用于处理xlsx)都实现了Workbook接口,所以可以直接new 这两个类并上转型为Workbook来统一操作(POI3.5后支持,

//3.5前HSSFWorkbook和XSSFWorkbook是独立分隔的不方便统一操作),当然也可以使用WorkbookFactory工厂类自动判断文件类型获取对应的Workbook实例(要求

//指定的文件必须存在且可读)但只适用于读和读写,创建新文件时无法使用工厂方式

Workbook wb = WorkbookFactory.create(new File(filePath));

ExcelExtractor extractor = null;

if(wb instanceof HSSFWorkbook){

extractor = new org.apache.poi.hssf.extractor.ExcelExtractor((HSSFWorkbook)wb);

}else if(wb instanceof XSSFWorkbook){

extractor = new org.apache.poi.xssf.extractor.XSSFExcelExtractor((XSSFWorkbook)wb);

}

//设置对于公式是否返回公式本身还是返回其计算结果,默认false(返回计算结果)

extractor.setFormulasNotResults(true);

//设置是否包含工作表Sheet名称,默认true

extractor.setIncludeSheetNames(true);

//设置是否包含单元格注释,默认false

extractor.setIncludeCellComments(true);

String text = extractor.getText();

System.out.println("ExcelExtractor.getText:["+text+"]");
//显示当前Excel中共有几张工作表(Sheet),哪张工作表默认激活(即打开Excel时直接展示的工作表的索引),哪个Tab首先显示(?不理解)

System.out.println("Workbook:"+wb.getNumberOfSheets()+", "+wb.getActiveSheetIndex()+", "+wb.getFirstVisibleTab());

printHR('+');

for(int i=0; i<wb.getNumberOfSheets(); i++){

Sheet s = wb.getSheetAt(i);

//HSSF中有逻辑行、物理行,逻辑列、物理列的区别,逻辑的就是Sheet内全部存在有效的行列(定义的definded可为空),而物理的是Sheet内全部有数据不为空的行列(定义的不为空)

//Sheet的getFirstRowNum()、getLastRowNum()、getRow(index)方法是针对逻辑行的,而getPhysicalNumberOfRows()、rowIterator()、

//iterator方法是针对物理行的,Row的getFirstCellNum()、getLastCellNum()、getCell(index)方法是针对逻辑列的,而getPhysicalNumberOfCells()、

//cellIterator()、iterator方法是针对物理列的不要混用,以逻辑方式取索引就要用逻辑方式取值,以物理方式取总量后如有需要就要以物理迭代去遍历,不然有

//可能出现结果串列或索引越界或数对不上的情况

//getDefaultColumnWidth返回的单位是字符,getColumnWidth(index)返回的单位是1/256字符

System.out.println("Sheet["+s.getSheetName()+"]");

System.out.println("DefaultColWidth:"+s.getDefaultColumnWidth()+", DefaultRowHeight:"+s.getDefaultRowHeight());

System.out.println("Sheet:"+s.getFirstRowNum()+", "+s.getLastRowNum()+", "+s.getPhysicalNumberOfRows());

for(int n=0; n<10; n++){

System.out.print("Col_"+n+"_Width="+s.getColumnWidth(n)+"\t");

}

System.out.println("Col_25_Width="+s.getColumnWidth(25));

printHR('-');

//s.getLastRowNum()方法返回Sheet下的逻辑行最大索引从0开始,所以用做循环条件是要<=,而r.getLastCellNum()方法返回Row下的逻辑列最大索引

//从【1】开始所以用做循环条件时只需要<即可。另外行和列索引都是由0开始,但getFirstRowNum()和getFirstCellNum()并不一定是0,因为这两个方法

//都是返回逻辑行、列索最小引,而如果索引为0的第1行是未定义的,则肯定不会是0了

for(int j=0; j<=s.getLastRowNum(); j++){

Row r = s.getRow(j);

System.out.println("RowIndex:"+j+"="+r);

if(r != null){

//r.getHeight()返回的是行高(单位twips缇),r.getHeightInPoints()返回的也是行高(单位point点,1point=20twips)

//注意r.getLastCellNum()返回的逻辑列索引+1,即由1开始算起

System.out.println("Row_"+r.getRowNum()+"= ["+r.getHeight()+":"+r.getHeightInPoints()+"]"+

" ["+r.getFirstCellNum()+":"+r.getLastCellNum()+":"+r.getPhysicalNumberOfCells()+"]");

//Sheet和Row都继承自java.lang.Iterable接口,所以可以直接使用jdk1.5中的For-each循环方式遍历,当然和使用cellIterator、rowIterator一样都是逻辑行与列

//for(Cell c : r){

for(Iterator<Cell> it = r.cellIterator(); it.hasNext();){

Cell c = it.next();

String str = null;

if(c != null){

//CellReference类可以提供单元格在Excel风格索引信息,如A1、B3

CellReference cellRef = new CellReference(r.getRowNum(), c.getColumnIndex());

str = cellRef.formatAsString()+":";
switch(c.getCellType()){

case Cell.CELL_TYPE_NUMERIC: //0

//Excel中的日期格式单元格,格式上也是一个Double类型的,所以这里需要判断下该单元格是否能被正确格式化为一个日期

//能的话就应该按日期去取值

if(DateUtil.isCellDateFormatted(c))

str += "Date:"+c.getDateCellValue();

else

str += "NUMERIC:"+c.getNumericCellValue();

break;

case Cell.CELL_TYPE_STRING: //1

str += "STRING:"+c.getStringCellValue();

break;

case Cell.CELL_TYPE_FORMULA: //2

str += "FORMULA:"+c.getCellFormula();

break;

case Cell.CELL_TYPE_BLANK: //3

str += "BLANK:''";

break;

case Cell.CELL_TYPE_BOOLEAN: //4

str += "BOOLEAN:"+c.getBooleanCellValue();

break;

case Cell.CELL_TYPE_ERROR: //5

str += "ERROR:"+c.getErrorCellValue();

}

}

System.out.print("["+str+"]\t\t");

}

System.out.println();

}

}

printHR('=');

if(s instanceof HSSFSheet) {

HSSFSheet hs = (HSSFSheet)s;

HSSFPatriarch hp = hs.getDrawingPatriarch();

System.out.println("["+hp.getX1()+":"+hp.getY1()+", "+hp.getX2()+":"+hp.getY2()+"]");

List<HSSFShape> list = hp.getChildren();

for(HSSFShape hsp : list){

if(hsp instanceof HSSFPicture){

HSSFPicture hpi = (HSSFPicture)hsp;

HSSFPictureData hpd = hpi.getPictureData();

System.out.println(hpi.getPictureIndex()+"=["+hpd.getData().length+":"+hpd.getMimeType()+":"+hpd.suggestFileExtension()+":"+hpd.toString()+"]");

//这里取出的图片实际原始像素宽和高,与图片实际像素略有不符,原因未知

Dimension ds = hpi.getImageDimension();

System.out.println("["+ds.getHeight()+":"+ds.getWidth()+"]");

//取得图片在Excel中的实际锚点坐标信息:Col1和Row1表示图片左上角顶点所在单元格列和行索引,Dx1表示左上角顶点距离所在单元格左边框的比率

//值在0-1023之间是个比率值与单元格实际宽度无关。Dy1表示左上角顶点距离单元格上边框的比率值在0-255之间是个比率值与单元格实际宽度无关。

//Col2和Row2表示图片右下角所在单元格列和行索引,Dx2表示右下角顶点距离所在单元格左边框的比率

//值在0-1023之间是个比率值与单元格实际宽度无关。Dy2表示右下角顶点距离单元格上边框的比率值在0-255之间是个比率值与单元格实际宽度无关。

HSSFClientAnchor ha1 = (HSSFClientAnchor)hpi.getAnchor();

System.out.println(ha1+":");

System.out.println("["+ha1.getDx1()+":"+ha1.getDy1()+", "+ha1.getDx2()+":"+ha1.getDy2()+"] "+

"["+ha1.getCol1()+":"+ha1.getRow1()+", "+ha1.getCol2()+":"+ha1.getRow2()+"]");

//计算图片的中心点所在的单元格位置

int[] midPoint = computeMidpointCell(ha1, hs);

System.out.println("PictureMidPoint:["+midPoint[0]+", "+midPoint[1]+"]");

//以一定比例取得图片在Excel中的逻辑锚点坐标信息,重载的方法,无参默认为1.0即图片原始大小

HSSFClientAnchor ha2 = hpi.getPreferredSize();

System.out.println(ha2+":");

System.out.println("["+ha2.getDx1()+":"+ha2.getDy1()+", "+ha2.getDx2()+":"+ha2.getDy2()+"] "+

"["+ha2.getCol1()+":"+ha2.getRow1()+", "+ha2.getCol2()+":"+ha2.getRow2()+"]");

}

}

}else if(s instanceof XSSFSheet){

XSSFSheet xs = (XSSFSheet)s;

List<POIXMLDocumentPart> list1 = xs.getRelations();

for(POIXMLDocumentPart dr : list1){

if(dr instanceof XSSFDrawing){

XSSFDrawing xd = (XSSFDrawing)dr;

List<POIXMLDocumentPart> list2 = dr.getRelations();

List<XSSFShape> list3 = xd.getShapes();

for(XSSFShape xfs : list3){

if(xfs instanceof XSSFPicture){

XSSFPicture xsp = (XSSFPicture)xfs;

CTPicture ctp = xsp.getCTPicture();

//Anchor为空,3.8的POI依旧不支持xlsx的图片位置获取,但其xd.getCTDrawing()中的xml文本中有Anchor信息,如果对其xml格式了解的话可以手动解析

System.out.println("["+xsp.getAnchor()+":"+ctp+":"+xsp.getPictureData()+"]");

}

}

List<XSSFChart> list4 = xd.getCharts();

CTDrawing ctd = xd.getCTDrawing();

for(POIXMLDocumentPart img : list2){

if(img instanceof XSSFPictureData){

XSSFPictureData xpd = (XSSFPictureData)img;

System.out.println("["+xpd.getData().length+":"+xpd.getMimeType()+":"+xpd.suggestFileExtension()+":"+xpd.toString()+"]");

}

}

}

}

}

}

List<PictureData> list = (List<PictureData>)wb.getAllPictures();

for(int i=0; i<list.size(); i++){

PictureData pd = list.get(i);

System.out.println("["+pd.getData().length+":"+pd.getMimeType()+":"+pd.suggestFileExtension()+":"+pd.toString()+"]");

}

}

static void createExcel(String filePath) throws Exception{

FileOutputStream fos = new FileOutputStream(new File(filePath));

Workbook wb = null;

if(filePath.endsWith("xls"))

wb = new HSSFWorkbook();

else

wb = new XSSFWorkbook();

Sheet st1 = wb.createSheet("测试Sheet");

// 注意工作表Sheet名称不能超过 31 个字符

// 同时也不能包含如下字符:

// 0x0000

// 0x0003

// colon (:)

// backslash (\)

// asterisk (*)

// question mark (?)

// forward slash (/)

// opening square bracket ([)

// closing square bracket (])
// 可以使用 org.apache.poi.ss.util.WorkbookUtil#createSafeSheetName(String nameProposal)}

// 以安全的方式创建工作表名称, 非法的字符将被替换成空格 (' '),例如:

//String safeName = WorkbookUtil.createSafeSheetName("[O'Brien's sales*?]"); // 将返回 " O'Brien's sales "

String safeName = WorkbookUtil.createSafeSheetName("[:测试/安全?Sheet*名\\]");

Sheet st2 = wb.createSheet(safeName);

createCell(st2, 15, 5);

/**

* 设置工作表打印格式(测试未发现明显变化,具体作用不时)

*/

Sheet st3 = wb.createSheet("Sheet打印格式测试");

//设置Excel的打印区域,二种方式,1:使用表达式,2:使用索引值,设置完成后打开Excel按Ctrl+P,打印预览可见只有选定单元格区域将被打印

wb.setPrintArea(2, "$A$1:$G$10");

//wb.setPrintArea(2, 0, 6, 0, 9);

PrintSetup ps = st3.getPrintSetup();

createCell(st3, 50,20);

st3.setAutobreaks(true);

//设置工作表被选择,打开Excel后会发现该Sheet处于高亮选中状态,打印时默认打印所有选中的工作表Sheet

st3.setSelected(true);

ps.setFitHeight((short)1);

ps.setFitWidth((short)1);

/**

* 为工作表打印设置页楣和页脚,在页楣和页脚中可以设置左、中、右三处的文本内容,同时在文本内容中支持使用特殊表达式动态插入值,如&P代表当前页数

* &B xxxxx &B代表中间字符加粗等,还能设置字体信息。HeaderFooter类是org.apache.poi.hssf.usermodel.HeaderFooter抽象类,静态方法

* 返回的表达式xls和xlsx通用,所以即使是XSSF也可以使用这个类来生成页楣页脚表达式

* 可以在Excel中按Ctrl+P打印预览中查看页楣页脚效果

*/

Header header = st3.getHeader();

Footer footer = st3.getFooter();

//页楣左边显示时间并添加下划线

header.setLeft("Hearder_Left "+HeaderFooter.startUnderline()+"Time="+HeaderFooter.time()+HeaderFooter.endUnderline());

//页楣中间显示日期并且添加双下划线

header.setCenter("Hearder_Center "+HeaderFooter.startDoubleUnderline()+"Date="+HeaderFooter.date()+HeaderFooter.endDoubleUnderline());

//页楣右边显示当前文件名并加粗

header.setRight("Hearder_Right "+HeaderFooter.startBold()+"File="+HeaderFooter.file()+HeaderFooter.endBold());

//页脚显示当前Sheet工作表名

footer.setLeft("Footer_Left tab="+HeaderFooter.tab());

//页脚中间显示指定字体、字号

footer.setCenter("Footer_Center"+HeaderFooter.font("黑体", "Italic") +

HeaderFooter.fontSize((short) 8) + "黑体斜体8号字");
//页脚显示当前页码和总页数

footer.setRight( "Footer_Right Page " + HeaderFooter.page() + " of " + HeaderFooter.numPages() );

System.out.println("【HeaderFooter】: date="+HeaderFooter.date()+", file="+HeaderFooter.file()+", endBold="+

HeaderFooter.endBold()+", endDoubleUnderline="+HeaderFooter.endDoubleUnderline()+", endUnderline="+

HeaderFooter.endUnderline()+", numPages"+HeaderFooter.numPages()+", page="+HeaderFooter.page()+", startBold="+

HeaderFooter.startBold()+", startDoubleUnderline="+HeaderFooter.startDoubleUnderline()+", startUnderline="+

HeaderFooter.startUnderline()+", tab="+HeaderFooter.tab()+", time="+HeaderFooter.time()+", font="+

HeaderFooter.font("黑体", "Italic")+", fontSize="+HeaderFooter.fontSize((short)8));

/**

* 在打印中重复行或列(实测未发现明显变化)

* Repeating rows and columns

* It's possible to set up repeating rows and columns in your printouts by using the setRepeatingRowsAndColumns()

* function in the HSSFWorkbook class.

* This function Contains 5 parameters. The first parameter is the index to the sheet (0 = first sheet). The second

* and third parameters specify the range for the columns to repreat. To stop the columns from repeating pass in -1

* as the start and end column. The fourth and fifth parameters specify the range for the rows to repeat. To stop

* the columns from repeating pass in -1 as the start and end rows.

*/

//Set the columns to repeat from column 0 to 2 on the first sheet

wb.setRepeatingRowsAndColumns(0,0,2,-1,-1);

// Set the the repeating rows and columns on the second sheet.

wb.setRepeatingRowsAndColumns(1,4,5,1,2);

/**

* 在指定索引位置上创建新行,索引由0开始

*/

Row row = st1.createRow(1);

//可以设置行高,单位缇(twips),即20分之1点(1 twips = 1 point / 20)

row.setHeight((short)1000);

//在该行中创建单元格,参数为指定的索引位置由0开始,新创建出来的单元格全部是Cell.CELL_TYPE_BLANK类型的,在调用setCellValue后会根据设置

//的数据格式变化单元格类型

Cell cell = row.createCell(1);

st1.setColumnWidth(1, 5120);

//CELL_TYPE_STRING:1

cell.setCellValue("测试单元格内容!(@#&%^)");

cell.setAsActiveCell();

//CELL_TYPE_NUMERIC:0

row.createCell(2).setCellValue(1.2);

CreationHelper createHelper = wb.getCreationHelper();

//CELL_TYPE_STRING:1

row.createCell(3).setCellValue(

createHelper.createRichTextString("This is a string")

);

//CELL_TYPE_BOOLEAN:4

row.createCell(4).setCellValue(true);

cell = row.createCell(5);

//CELL_TYPE_NUMERIC:0

cell.setCellValue(new Date());

CellStyle cs = wb.createCellStyle();

cs.setDataFormat(createHelper.createDataFormat().getFormat("yyyy年MM月dd日 HH时mm分ss秒"));

cell.setCellStyle(cs);

//CELL_TYPE_NUMERIC:0

row.createCell(6).setCellValue(Calendar.getInstance());

//CELL_TYPE_ERROR:5

row.createCell(7).setCellType(Cell.CELL_TYPE_ERROR);

/**

* 设置单元格文本对齐方式

*/

Row row2 = st1.createRow(2);

row2.setHeightInPoints(30);
createCell(wb, row2, (short) 0, CellStyle.ALIGN_CENTER, CellStyle.VERTICAL_BOTTOM);

createCell(wb, row2, (short) 1, CellStyle.ALIGN_CENTER_SELECTION, CellStyle.VERTICAL_BOTTOM);

//ALIGN_FILL水平对齐填充方式会复制同样的单元格内容来横向填满单元格

createCell(wb, row2, (short) 2, CellStyle.ALIGN_FILL, CellStyle.VERTICAL_CENTER);

createCell(wb, row2, (short) 3, CellStyle.ALIGN_GENERAL, CellStyle.VERTICAL_CENTER);

createCell(wb, row2, (short) 4, CellStyle.ALIGN_JUSTIFY, CellStyle.VERTICAL_JUSTIFY);

createCell(wb, row2, (short) 5, CellStyle.ALIGN_LEFT, CellStyle.VERTICAL_TOP);

createCell(wb, row2, (short) 6, CellStyle.ALIGN_RIGHT, CellStyle.VERTICAL_TOP);

/**

* 设置单元格边框

*/

Row row3 = st1.createRow(3);
cell = row3.createCell(1);

cell.setCellValue("单元格边框设置");

//为单元格上下左右的全部边框设置线宽,和线色.

CellStyle style = wb.createCellStyle();

style.setBorderBottom(CellStyle.BORDER_DASH_DOT);

style.setBottomBorderColor(IndexedColors.BLACK.getIndex());

style.setBorderLeft(CellStyle.BORDER_THICK);

style.setLeftBorderColor(IndexedColors.GREEN.getIndex());

style.setBorderRight(CellStyle.BORDER_THIN);

style.setRightBorderColor(IndexedColors.BLUE.getIndex());

style.setBorderTop(CellStyle.BORDER_MEDIUM_DASHED);

style.setTopBorderColor(IndexedColors.BLACK.getIndex());

cell.setCellStyle(style);

/**

* 设置单元格的前景和背景填充色

*/

Row row4 = st1.createRow(4);

//浅绿背景色

style = wb.createCellStyle();

//设置背景色

style.setFillBackgroundColor(IndexedColors.AQUA.getIndex());

//设置填充图案

style.setFillPattern(CellStyle.BIG_SPOTS);

cell = row4.createCell(1);

cell.setCellValue("背景色填充");

cell.setCellStyle(style);
//桔黄前景色, 填充前景色不是字体颜色

style = wb.createCellStyle();

//设置背景色

style.setFillForegroundColor(IndexedColors.ORANGE.getIndex());

//设置填充图案

style.setFillPattern(CellStyle.SOLID_FOREGROUND);

cell = row4.createCell(2);

cell.setCellValue("前景色填充");

cell.setCellStyle(style);

/**

* 单元格合并,与Excel一致,合并后只能保存左上角单元格的内容

*/

Row row5 = st1.createRow(5);

cell = row5.createCell(1);

cell.setCellValue("被合并单元格1");

cell = row5.createCell(2);

cell.setCellValue("被合并单元格2");

Row row6 = st1.createRow(6);

cell = row6.createCell(1);

cell.setCellValue("被合并单元格3");

cell = row6.createCell(2);

cell.setCellValue("被合并单元格4");

//CellRangeAddress region = CellRangeAddress.valueOf("B2:E5"); 也可以这样获得CellRangeAddress实例

st1.addMergedRegion(new CellRangeAddress(

5, //first row (0-based)

6, //last row (0-based)

1, //first column (0-based)

2 //last column (0-based)

));

/**

* 设置单元格字体

*/

Row row7 = st1.createRow(7);

//创建字体并设置相关字体属性

Font font = wb.createFont();

//设置字号大小

font.setFontHeightInPoints((short)24);

//设置字体名称

font.setFontName("宋体");

//设置字形是否斜体

font.setItalic(true);

//设置是否加删除线

font.setStrikeout(true);

//设置字形是否粗体

font.setBoldweight(Font.BOLDWEIGHT_BOLD);

//设置下划线类型

font.setUnderline(Font.U_DOUBLE);

//设置字体颜色,Font类中预设的颜色常量只有Normal和Red两种,要自定义的话可以使用org.apache.poi.ss.usermodel.IndexedColors枚举来指定

font.setColor(Font.COLOR_RED);
// Fonts are set into a style so create a new one to use.

style = wb.createCellStyle();

style.setFont(font);

// Create a cell and put a value in it.

cell = row7.createCell(1);

cell.setCellValue("单元格字体测试1");

cell.setCellStyle(style);

font = wb.createFont();

font.setColor(IndexedColors.PINK.getIndex());

font.setFontHeightInPoints((short)10);

font.setFontName("华文琥珀");

style = wb.createCellStyle();

style.setFont(font);

cell = row7.createCell(2);

cell.setCellValue("单元格字体测试2");

cell.setCellStyle(style);

/**

* 设置单元格内容自动换行和列宽自动适应

*/

Row row8 = st1.createRow(8);

cell = row8.createCell(2);

cell.setCellValue("在文件中包含 \n 换行符同时设置CellStyle的WrapText=true以在单元格内换行.\n"+

"通过Sheet的autoSizeColumn设置指定列的列宽是否自动适应单元格内容,并有可选的合并操作");
cs = wb.createCellStyle();

cs.setWrapText(true);

cell.setCellStyle(cs);
//设置行高为4倍默认行高,以查看单元格内容的换行效果

row8.setHeightInPoints((4*st1.getDefaultRowHeightInPoints()));

/**

* 设置指定列的列宽为自动适应,对于公式列只有当公式计算后结果被缓存时才会按结果进行列宽自适应。

* 列宽为自动适应依赖于java2D类群,如果图形环境不可用需要手工指定JVM启动参数java.awt.headless=true

*/

st1.autoSizeColumn((short)2);

/**

* 设置单元格的数据格式化格式(DataFormat)

*/

Row row9 = st1.createRow(9);

DataFormat format = wb.createDataFormat();

style = wb.createCellStyle();

style.setDataFormat(format.getFormat("0.0"));

cell = row9.createCell(0);

cell.setCellValue(11111.2526457);

cell.setCellStyle(style);

style = wb.createCellStyle();

style.setDataFormat(format.getFormat("#,##0.0000"));

cell = row9.createCell(1);

cell.setCellValue(11111.2526457);

cell.setCellStyle(style);

style = wb.createCellStyle();

style.setDataFormat(format.getFormat("M/d/yy HH:mm"));

cell = row9.createCell(2);

cell.setCellValue(new Date());

cell.setCellStyle(style);

/**

* 使用便捷的工具类,RegionUtil来为合并的单元格设置格式属性,使用CellUtil来创建单元格或设置单元格格式属性等设置单元格格式时如果新增格式后的

* CellStyle存在就不会再新增而使用已经存在的

*/

Row row10 = st1.createRow(10);

Row row11 = st1.createRow(11);

cell = row10.createCell(1);

cell.setCellValue( "使用RegionUtil设置合并单元的边框" );

CellRangeAddress region = CellRangeAddress.valueOf("B11:E14");

st1.addMergedRegion(region);
// Set the border and border colors.

final short borderMediumDashed = CellStyle.BORDER_MEDIUM_DASHED;

RegionUtil.setBorderBottom( borderMediumDashed, region, st1, wb );

RegionUtil.setBorderTop( borderMediumDashed, region, st1, wb );

RegionUtil.setBorderLeft( borderMediumDashed, region, st1, wb );

RegionUtil.setBorderRight( borderMediumDashed, region, st1, wb );

RegionUtil.setBottomBorderColor(IndexedColors.AQUA.getIndex(), region, st1, wb);

RegionUtil.setTopBorderColor(IndexedColors.AQUA.getIndex(), region, st1, wb);

RegionUtil.setLeftBorderColor(IndexedColors.AQUA.getIndex(), region, st1, wb);

RegionUtil.setRightBorderColor(IndexedColors.AQUA.getIndex(), region, st1, wb);
// Shows some usages of HSSFCellUtil

style = wb.createCellStyle();

style.setIndention((short)4);

CellUtil.createCell(row10, 8, "使用CellUtil工具类创建的单元格内容1", style);

cell = CellUtil.createCell( row11, 8, "使用CellUtil工具类创建的单元格内容2");

CellUtil.setAlignment(cell, wb, CellStyle.ALIGN_CENTER);

/**

* 将工作表Sheet中的指定范围内的行,向上或向下移动指定的行数,第1个参数是开始行索引,第2上参数是结束行索引,第3个参数是

* 移动的行数,正数表示向下移动,负数表示向上移动(实测发现移动后xls中被移动的原行位置变空,原行替换目标行。xlsx移动后打开错误)

*/

//st2.shiftRows(5, 5, 2, false, false);

/**

* 设置工作表Sheet的缩放比率,以分数来表示,第1个参数是分子,第2个参数是分母,如缩放至75%则setZoom(3, 4)或setZoom(75, 100)

*/

st2.setZoom(3, 4);

/**

* 设置行列冻结和设置编辑界面拆分,一个Sheet中只能存在1个FreezPane或一个SplitPane,新增的任一个Pane都将替换之前存在的那一个

* 如果前两个参数都为0,则将取消所有的Pane

*/

//第1个参数列索引以该列左边为冻结起始位置(所以0表示不冻结),第2个参数行索引以该行上边为冻结起始位置(所以0表示不冻结),

//第3个参数表示非列冻结窗口起始显示的列的索引,第4个参数表示非行冻结起始显示的行的索引。一般使用只有前2个参数的重载方法

st1.createFreezePane( 3, 2);

// Freeze just one column

st2.createFreezePane( 1, 0, 1, 0 );

//即Excel[视图]中的[拆分]功能,以某个点为中心,将编辑界面拆分成4个界面,每个界面都能单独滚动但编辑的是同一个Sheet,有点类似html中的frame

//参数1、参数2是缇,指定拆分中心点的横纵坐标,绝对定位与单元格无关。

st3.createSplitPane( 2000, 2000, 0, 0, Sheet.PANE_LOWER_LEFT );

/**

* 设置工作表Sheet中的图形、图片、文本框、单元格备注、图形组

*/

//图形处理目前POI3.8还没能完全统一API调用,只有几个简单图形和属性能够使用统一API调用。

if(st1 instanceof HSSFSheet) {

HSSFSheet hst = (HSSFSheet)st1;

HSSFPatriarch hp = hst.createDrawingPatriarch();

//在指定的锚点位置上创建一个图形

HSSFSimpleShape shape = hp.createSimpleShape(hp.createAnchor(0, 0, 0, 0, 1, 14, 2, 16));

//设置图形的类型为线

shape.setShapeType(HSSFSimpleShape.OBJECT_TYPE_LINE);

//设置填充颜色

shape.setFillColor(IndexedColors.BLUE_GREY.getIndex());

//设置边框线型

shape.setLineStyle(HSSFSimpleShape.LINESTYLE_LONGDASHDOTDOTGEL);

//设置边框线颜色

shape.setLineStyleColor(255, 0, 0);

//设置边框线宽

shape.setLineWidth(HSSFSimpleShape.LINEWIDTH_ONE_PT * 3);

//在指定的锚点位置上创建一个文本框

HSSFTextbox textbox = hp.createTextbox(new HSSFClientAnchor(250,125,750,125,(short)2,14,(short)2,16));

font = wb.createFont();

font.setItalic(true);

font.setBoldweight(Font.BOLDWEIGHT_BOLD);

font.setUnderline(Font.U_DOUBLE);

HSSFRichTextString string = new HSSFRichTextString("富文本<br>测试富文本");

//对富文本中的字符设置字体,参数1字符开始索引(包含),参数2字符的结束索引(不包含),参数3字体

string.applyFont(0,3,font);

textbox.setString(string);

textbox.setLineStyleColor(0,0,255);

textbox.setFillColor(200,200,200);

//在指定锚点上创建图形组

HSSFShapeGroup shapeGroup = hp.createGroup(hp.createAnchor(0, 0, 1023, 255, 3, 14, 4, 15));

//在图形组中指定锚点位置上创建图形(ChildAnchor与ClientAnchor不同没有col1、row1、col2、row2,因为其坐标是相对图形组内部来说的,

//默认其横纵坐标与ClientAnchor一样都是0-1023、0-255,但可以通过调用)

//shapeGroup.setCoordinates(int x1, int y1, int x2, int y2)来指定图形组内的相对坐标范围,所有组内图形必须使用指定的坐标范围定位

shape = shapeGroup.createShape(new HSSFChildAnchor(0,0,500,125));

shape.setShapeType(HSSFSimpleShape.OBJECT_TYPE_OVAL);

////在图形组中指定锚点位置上创建文本框

textbox = shapeGroup.createTextbox(new HSSFChildAnchor(500,125,1023,255));

//在指定锚点位置上创建图片(目前POI3.8版本中支持PNG、JPG、DIB格式图片)

InputStream is = new FileInputStream("C:\\Users\\Public\\Pictures\\Sample Pictures\\543617.jpg");

byte[] bytes = IOUtils.toByteArray(is);

is.close();

//先将图片统一保存在Workbook中并取得存储索引

int pictureIdx = wb.addPicture(bytes, Workbook.PICTURE_TYPE_JPEG);

//创建锚点信息

ClientAnchor anchor = createHelper.createClientAnchor();
anchor.setCol1(6);

anchor.setRow1(14);

anchor.setCol2(8);

anchor.setRow2(22);

Picture pict = hp.createPicture(anchor, pictureIdx);
//调用下面2个方法会使得图片按原始大小被重置,目前只有PNG、JPG支持重置

//pict.resize();

pict.getPreferredSize();

/**

* 为工作表Sheet设置单元格备注(批注),批注相当于是一个文本框,也需要由Patriarch创建出来,并绑定到某个单元格上

*/

Row row17 = st1.createRow(17);

cell = row17.createCell(1);

cell.setCellValue("单元格备注测试");

// When the comment box is visible, have it show in a 1x3 space

anchor = createHelper.createClientAnchor();

anchor.setCol1(cell.getColumnIndex()+1);

anchor.setCol2(cell.getColumnIndex()+2);

anchor.setRow1(row17.getRowNum());

anchor.setRow2(row17.getRowNum()+3);
// Create the comment and set the text+author

Comment comment = hp.createCellComment(anchor);

RichTextString str = createHelper.createRichTextString("单元格批注内容!");

comment.setString(str);

comment.setAuthor("Apache POI:李国庆测试");

//为单元格绑定批注

cell.setCellComment(comment);

/**

* 为单元格创建超链接

*/

//cell style for hyperlinks

//by default hypelrinks are blue and underlined

CellStyle hlink_style = wb.createCellStyle();

Font hlink_font = wb.createFont();

hlink_font.setUnderline(Font.U_SINGLE);

hlink_font.setColor(IndexedColors.BLUE.getIndex());

hlink_style.setFont(hlink_font);
Row row18 = st1.createRow(18);

cell = row18.createCell((short)0);

cell.setCellValue("URL超链接");

Hyperlink link = createHelper.createHyperlink(Hyperlink.LINK_URL);

link.setAddress("http://poi.apache.org/");

cell.setHyperlink(link);

cell.setCellStyle(hlink_style);

//link to a file in the current directory

cell = row18.createCell((short)1);

cell.setCellValue("文件超链接");

link = createHelper.createHyperlink(Hyperlink.LINK_FILE);

link.setAddress("D:\\LGQ-JAVA\\OfficeParse\\WebRoot\\files\\TestTest.xls");

cell.setHyperlink(link);

cell.setCellStyle(hlink_style);
//e-mail link

cell = row18.createCell((short)2);

cell.setCellValue("EMAIL超链接");

link = createHelper.createHyperlink(Hyperlink.LINK_EMAIL);

//note, if subject contains white spaces, make sure they are url-encoded

link.setAddress("mailto:awm96@163.com");

cell.setHyperlink(link);

cell.setCellStyle(hlink_style);
//link to a place in this workbook

//create a target sheet and cell

cell = row18.createCell((short)3);

cell.setCellValue("文档内超链接跳转");

Hyperlink link2 = createHelper.createHyperlink(Hyperlink.LINK_DOCUMENT);

link2.setAddress("'Sheet打印格式测试'!A1");

cell.setHyperlink(link2);

cell.setCellStyle(hlink_style);

}else if(st1 instanceof XSSFSheet){

XSSFSheet xst = (XSSFSheet)st1;

XSSFDrawing xd = xst.createDrawingPatriarch();

//在指定的锚点位置上创建一个图形,注意:XSSFClientAnchor的dx1、dy1、dx2、dy2定义与HSSF不同,不再是0-1023、0-255的相对比率,而是

//一个固定单位的绝对定位,通常使用XSSFShape.EMU_PER_POINT(折合成1点)和XSSFShape.EMU_PER_PIXEL(折合成1像素)做为单位乘以1个值来定位

XSSFSimpleShape shape = xd.createSimpleShape(xd.createAnchor(0, 0, 0, 0, 1, 14, 2, 16));

//设置图形的类型为线

shape.setShapeType(ShapeTypes.LINE);

//设置填充颜色

shape.setFillColor(0, 0, 250);

//设置边框线型:solid=0、dot=1、dash=2、lgDash=3、dashDot=4、lgDashDot=5、lgDashDotDot=6、sysDash=7、sysDot=8、sysDashDot=9、sysDashDotDot=10

shape.setLineStyle(7);

//设置边框线颜色

shape.setLineStyleColor(255, 0, 0);

//设置边框线宽,单位Point

shape.setLineWidth(2);

//在指定的锚点位置上创建一个文本框

XSSFTextBox textbox = xd.createTextbox(

xd.createAnchor(

XSSFShape.EMU_PER_POINT*10, XSSFShape.EMU_PER_PIXEL*5, XSSFShape.EMU_PER_POINT*200,

(int)(XSSFShape.EMU_PER_POINT * (st1.getRow(16) == null ? st1.getDefaultRowHeightInPoints() : st1.getRow(16).getHeightInPoints())),

2,14,2,16

)

);

font = wb.createFont();

font.setItalic(true);

font.setBoldweight(Font.BOLDWEIGHT_BOLD);

font.setUnderline(Font.U_DOUBLE);

XSSFRichTextString string = new XSSFRichTextString("富文本<br>测试富文本");

//对富文本中的字符设置字体,参数1字符开始索引(包含),参数2字符的结束索引(不包含),参数3字体

string.applyFont(0,3,font);

textbox.setText(string);

textbox.setLineStyleColor(0,0,255);

textbox.setFillColor(200,200,200);

//在指定锚点上创建图形组

XSSFShapeGroup shapeGroup = xd.createGroup(xd.createAnchor(0, 0, 0, 0, 3, 14, 5, 16));

//在图形组中指定锚点位置上创建图形,ChildAnchor与ClientAnchor不同没有col1、row1、col2、row2

//注意:XSSFChildAnchor与HSSF不同,默认其横纵坐标都是相对于整个Sheet的左上角顶点的,需要调用

//shapeGroup.setCoordinates(int x1, int y1, int x2, int y2)来指定图形组内的相对坐标范围,

//并使得所有组内图形使用各自的ChildAnchor坐标范围来相对定位

shapeGroup.setCoordinates(0, 0, 100, 100);

//shape = shapeGroup.createSimpleShape(new XSSFChildAnchor(0,0,XSSFShape.EMU_PER_POINT*50,XSSFShape.EMU_PER_POINT*20));

shape = shapeGroup.createSimpleShape(new XSSFChildAnchor(0,0,50,50));

shape.setShapeType(ShapeTypes.CUBE);

////在图形组中指定锚点位置上创建文本框

//textbox = shapeGroup.createTextbox(new XSSFChildAnchor(XSSFShape.EMU_PER_POINT*50,XSSFShape.EMU_PER_POINT*20,XSSFShape.EMU_PER_POINT*150,XSSFShape.EMU_PER_POINT*50));

textbox = shapeGroup.createTextbox(new XSSFChildAnchor(50,50,100,100));

//在指定锚点位置上创建图片(目前POI3.8版本中支持PNG、JPG、DIB格式图片)

InputStream is = new FileInputStream("C:\\Users\\Public\\Pictures\\Sample Pictures\\543617.jpg");

byte[] bytes = IOUtils.toByteArray(is);

is.close();

//先将图片统一保存在Workbook中并取得存储索引

int pictureIdx = wb.addPicture(bytes, Workbook.PICTURE_TYPE_JPEG);

//创建锚点信息

ClientAnchor anchor = createHelper.createClientAnchor();
anchor.setCol1(6);

anchor.setRow1(14);

anchor.setCol2(8);

anchor.setRow2(22);

Picture pict = xd.createPicture(anchor, pictureIdx);

//调用下面2个方法会使得图片按原始大小被重置,目前只有PNG、JPG支持重置

//pict.resize();

pict.getPreferredSize();

/**

* 为工作表Sheet设置单元格备注(批注),批注相当于是一个文本框,也需要由Patriarch创建出来,并绑定到某个单元格上

*/

Row row17 = st1.createRow(17);

cell = row17.createCell(1);

cell.setCellValue("单元格备注测试");

// When the comment box is visible, have it show in a 1x3 space

anchor = createHelper.createClientAnchor();

anchor.setCol1(cell.getColumnIndex()+1);

anchor.setCol2(cell.getColumnIndex()+2);

anchor.setRow1(row17.getRowNum());

anchor.setRow2(row17.getRowNum()+3);
// Create the comment and set the text+author

Comment comment = xd.createCellComment(anchor);

RichTextString str = createHelper.createRichTextString("单元格批注内容!");

comment.setString(str);

comment.setAuthor("Apache POI:李国庆测试");

//为单元格绑定批注

cell.setCellComment(comment);

/**

* 为单元格创建超链接

*/

//cell style for hyperlinks

//by default hypelrinks are blue and underlined

CellStyle hlink_style = wb.createCellStyle();

Font hlink_font = wb.createFont();

hlink_font.setUnderline(Font.U_SINGLE);

hlink_font.setColor(IndexedColors.BLUE.getIndex());

hlink_style.setFont(hlink_font);
Row row18 = st1.createRow(18);

cell = row18.createCell((short)0);

cell.setCellValue("URL超链接");

Hyperlink link = createHelper.createHyperlink(Hyperlink.LINK_URL);

link.setAddress("http://poi.apache.org/");

cell.setHyperlink(link);

cell.setCellStyle(hlink_style);

//link to a file in the current directory

cell = row18.createCell((short)1);

cell.setCellValue("文件超链接");

link = createHelper.createHyperlink(Hyperlink.LINK_FILE);

link.setAddress("TestTest.xls");

cell.setHyperlink(link);

cell.setCellStyle(hlink_style);
//e-mail link

cell = row18.createCell((short)2);

cell.setCellValue("EMAIL超链接");

link = createHelper.createHyperlink(Hyperlink.LINK_EMAIL);

//note, if subject contains white spaces, make sure they are url-encoded

link.setAddress("mailto:awm96@163.com");

cell.setHyperlink(link);

cell.setCellStyle(hlink_style);

//link to a place in this workbook

//create a target sheet and cell

cell = row18.createCell((short)3);

cell.setCellValue("文档内超链接跳转");

Hyperlink link2 = createHelper.createHyperlink(Hyperlink.LINK_DOCUMENT);

link2.setAddress("'Sheet打印格式测试'!A1");

cell.setHyperlink(link2);

cell.setCellStyle(hlink_style);

}
/**

* 为工作表Sheet的行和列设置分组,并可指定用Excel打开时分组是否折叠显示

*/

st2.groupRow( 5, 14 );

st2.groupRow( 7, 14 );

st2.groupRow( 16, 19 );

st2.groupColumn( (short)4, (short)7 );

st2.groupColumn( (short)9, (short)12 );

st2.groupColumn( (short)10, (short)11 );

//设置Excel打开时分组是否折叠显示,参数1是分组的开始行或列索引,参数2是否折叠显示

st2.setRowGroupCollapsed( 7, true );

st2.setColumnGroupCollapsed( (short)4, true );

wb.write(fos);

fos.close();

}

private static void createCell(Workbook wb, Row row, short column, short halign, short valign) {

Cell cell = row.createCell(column);

cell.setCellValue("Align It");

CellStyle cellStyle = wb.createCellStyle();

cellStyle.setAlignment(halign);

cellStyle.setVerticalAlignment(valign);

cell.setCellStyle(cellStyle);

}

private static void createCell(Sheet st, int rows, int cols){

for(int i=0; i<rows; i++){

Row r = st.createRow(i);

for(int j=0; j<cols; j++){

Cell c = r.createCell(j);

CellReference cellRef = new CellReference(i, j);

c.setCellValue(cellRef.formatAsString());

}

}

};

static void modifyExcel(String filePath) throws Exception{

//修改和新建没什么大的区别,无非是新建时整个Workbook都是新创建的行列等信息空白的,而修改时Workbook是通过文件初始化出来的包含了一些行列信息等

File file = new File(filePath);

Workbook wb = WorkbookFactory.create(file);

Sheet sheet = wb.getSheetAt(0);

Row row = sheet.getRow(2);

Cell cell = row.getCell(3);

if (cell == null)

cell = row.createCell(3);

cell.setCellType(Cell.CELL_TYPE_STRING);

cell.setCellValue("修改测试");
// Write the output to a file

FileOutputStream fileOut = new FileOutputStream(file);

wb.write(fileOut);

fileOut.close();

}

//计算图片中心点所在有单元格的列行索引,dx1和dx2取值只会在0-1023间,但实际比例上是将单元格分成1024份,不会取值在1024是因为这时col会进位,dx被归0,dy1、dy2同理

static int[] computeMidpointCell(HSSFClientAnchor hca, HSSFSheet hs){

int col = 0;

int row = 0;

int col1 = hca.getCol1();

int row1 = hca.getRow1();

double dx1 = hca.getDx1(); //这几个值要使用double类型,不然计算 dx1/1024 时会取整成0

double dy1 = hca.getDy1();

int col2 = hca.getCol2();

int row2 = hca.getRow2();

double dx2 = hca.getDx2();

double dy2 = hca.getDy2();

if(col1 == col2)

col = col1;

else{

double width = 0;

double colWidth = 0;

for(int i=col1; i<=col2; i++){

if(i == col1){

colWidth = hs.getColumnWidth(i)*(1 - dx1/1024);

width += colWidth;

}else if(i == col2){

colWidth = hs.getColumnWidth(i)*dx2/1024;

width += colWidth;

}else {

colWidth = hs.getColumnWidth(i);

width += colWidth;

}

System.out.print(" 【"+colWidth+"】 ");

}

System.out.println();

width = width/2;

for(int i=col1; i<=col2; i++){

if(i == col1)

width -= hs.getColumnWidth(i)*(1 - dx1/1024);

else if(i == col2){

col = i;

break;

}else

width -= hs.getColumnWidth(i);

if(width < 0){

col = i;

break;

}

}

}

if(row1 == row2)

row = row1;

else{

double height = 0;

double rowHeight = 0;

for(int i=row1; i<=row2; i++){

rowHeight = hs.getRow(i) == null ? hs.getDefaultRowHeight() : hs.getRow(i).getHeight();

if(i == row1)

height += rowHeight * (1 - dy1/256);

else if(i == row2)

height += rowHeight * dy2/256;

else

height += rowHeight;

}

height = height/2;

for(int i=row1; i<=row2; i++){

rowHeight = hs.getRow(i) == null ? hs.getDefaultRowHeight() : hs.getRow(i).getHeight();

if(i == row1)

height -= rowHeight * (1 - dy1/256);

else if(i == row2){

row = i;

break;

}else

height -= rowHeight;

if(height < 0){

row = i;

break;

}

}

}

return new int[]{col, row};

}

static void printHR(char c){

StringBuilder sb = new StringBuilder(100);

for(int i=0; i<100; i++){

sb.append(c);

}

System.out.println(sb.toString());

}

}
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