HSSFCell 设立样式

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HSSFCell 设立样式

提问者: xuxinliang      发布时间:2014-05-10      浏览:293      回复:0      悬赏:0.0希赛币
HSSFCell 设置样式
1、遍历workbook 
// load源文件   
POIFSFileSystem fs = new POIFSFileSystem(new FileInputStream(filePath));   
HSSFWorkbook wb = new HSSFWorkbook(fs);   
for (int i = 0; i < wb.getNumberOfSheets(); i++) {   
  HSSFSheet sheet = wb.getSheetAt(i);   
  for (int j = sheet.getFirstRowNum(); j < sheet.getLastRowNum(); j++) {   
    HSSFRow row = sheet.getRow(j);   
    if (row != null) {   
      // 。。。操作}   
    }   
  }   
}   
// 目标文件   
FileOutputStream fos = new FileOutputStream(objectPath);   
// 写文件   
wb.write(fos);   
fos.close();  


2、得到列和单元格 
HSSFRow row = sheet.getRow(i);      
HSSFCell cell = row.getCell((short) j);    


3、设置sheet名称和单元格内容为中文 
wb.setSheetName(n, "中文",HSSFCell.ENCODING_UTF_16);          
cell.setEncoding((short) 1);      
cell.setCellValue("中文");    


4、单元格内容未公式或数值,可以这样读写 
cell.setCellType(HSSFCell.CELL_TYPE_NUMERIC);      
cell.getNumericCellValue();  



5、设置列宽、行高 
sheet.setColumnWidth((short)column,(short)width);      
row.setHeight((short)height);  



6、添加区域,合并单元格 
Region region = new Region((short)rowFrom,(short)columnFrom,(short)rowTo,(short)columnTo);      
sheet.addMergedRegion(region);      
//得到所有区域      
sheet.getNumMergedRegions() ;  


7、常用方法 
根据单元格不同属性返回字符串数值 
public String getCellStringValue(HSSFCell cell) {   
  String cellValue = "";   
  switch (cell.getCellType()) {   
  case HSSFCell.CELL_TYPE_STRING:   
    cellValue = cell.getStringCellValue();   
    if (cellValue.trim().equals("") || cellValue.trim().length() <= 0)   
      cellValue = " ";   
    break;   
  case HSSFCell.CELL_TYPE_NUMERIC:   
    cellValue = String.valueOf(cell.getNumericCellValue());   
    break;   
  case HSSFCell.CELL_TYPE_FORMULA:   
    cell.setCellType(HSSFCell.CELL_TYPE_NUMERIC);   
    cellValue = String.valueOf(cell.getNumericCellValue());   
    break;   
  case HSSFCell.CELL_TYPE_BLANK:   
    cellValue = " ";   
    break;   
  case HSSFCell.CELL_TYPE_BOOLEAN:   
    break;   
  case HSSFCell.CELL_TYPE_ERROR:   
    break;   
  default:   
    break;   
  }   
  return cellValue;   
}  

8、常用单元格边框格式 

虚线HSSFCellStyle.BORDER_DOTTED 
实线HSSFCellStyle.BORDER_THIN 
public static HSSFCellStyle getCellStyle(short type) {   
  HSSFWorkbook wb = new HSSFWorkbook();   
  HSSFCellStyle style = wb.createCellStyle();   
  style.setBorderBottom(type);// 下边框   
  style.setBorderLeft(type);// 左边框   
  style.setBorderRight(type);// 右边框   
  style.setBorderTop(type);// 上边框   
  return style;   
}  


9、设置字体和内容位置 
HSSFFont f  = wb.createFont();      
f.setFontHeightInPoints((short) 11);// 字号   
f.setBoldweight(HSSFFont.BOLDWEIGHT_NORMAL);// 加粗   
style.setFont(f);      
style.setAlignment(HSSFCellStyle.ALIGN_CENTER);// 左右居中   
style.setVerticalAlignment(HSSFCellStyle.VERTICAL_CENTER);// 上下居中   
style.setRotation(short rotation);// 单元格内容的旋转的角度   
HSSFDataFormat df = wb.createDataFormat();      
style1.setDataFormat(df.getFormat("0.00%"));// 设置单元格数据格式   
cell.setCellFormula(string);// 给单元格设公式   
style.setRotation(short rotation);// 单元格内容的旋转的角度   
cell.setCellStyle(style);    

10、插入图片 
// 先把读进来的图片放到一个ByteArrayOutputStream中,以便产生ByteArray   
ByteArrayOutputStream byteArrayOut = new ByteArrayOutputStream();   
BufferedImage bufferImg = ImageIO.read(new File("ok.jpg"));   
ImageIO.write(bufferImg, "jpg", byteArrayOut);   
// 读进一个excel模版   
FileInputStream fos = new FileInputStream(filePathName + "/stencil.xlt");   
fs = new POIFSFileSystem(fos);   
// 创建一个工作薄   
HSSFWorkbook wb = new HSSFWorkbook(fs);   
HSSFSheet sheet = wb.getSheetAt(0);   
HSSFPatriarch patriarch = sheet.createDrawingPatriarch();   
HSSFClientAnchor anchor = new HSSFClientAnchor(0, 0, 1023, 255, (short) 0, 0, (short) 10, 10);   
patriarch.createPicture(anchor, wb.addPicture(byteArrayOut.toByteArray(), HSSFWorkbook.PICTURE_TYPE_JPEG)); 

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