iLife's 博客http://blog.csdn.net/fei1502816
1.創建一個新的Excle工作薄
// 創建新的Excel 工作簿
HSSFWorkbook workbook = new HSSFWorkbook();
// 在Excel工作簿中建一工作表,其名爲缺省值, 也可以指定Sheet名稱
HSSFSheet sheet = workbook.createSheet();
//HSSFSheet sheet = workbook.createSheet("SheetName");
2. 創建新行(row),並將單元格(cell)放入其中. 行號從0開始計算.
HSSFRow row = sheet.createRow((short) 1);
3.設置sheet名稱和單元格內容爲中文
wb.setSheetName(n, "中文",HSSFCell.ENCODING_UTF_16);
cell.setEncoding((short) 1);
cell.setCellValue("中文");
4.設置列寬、行高
sheet.setColumnWidth((short)column,(short)width);
row.setHeight((short)height);
5.添加區域,合併單元格
Region region = new Region((short)rowFrom,(short)columnFrom,(short)rowTo,(short)columnTo);
sheet.addMergedRegion(region);
//得到所有區域
sheet.getNumMergedRegions()
6.設置單元格邊框格式
虛線HSSFCellStyle.BORDER_DOTTED
實線HSSFCellStyle.BORDER_THIN
public static HSSFCellStyle getCellStyle(short type){
HSSFWorkbook wb = new HSSFWorkbook();
HSSFCellStyle style = wb.createCellStyle();
style.setBorderBottom(type);//下邊框
style.setBorderLeft(type);//左邊框
style.setBorderRight(type);//右邊框
style.setBorderTop(type);//上邊框
return style;
}
7.設置字體和內容位置
HSSFFont f = wb.createFont();
f.setFontHeightInPoints((short) 11);//字號
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);//單元格內容的旋轉的角度
HSSFDataFormat df = wb.createDataFormat();
style1.setDataFormat(df.getFormat("0.00%"));//設置單元格數據格式
cell.setCellFormula(string);//給單元格設公式
style.setRotation(short rotation);//單元格內容的旋轉的角度
cell.setCellStyle(style);
8.插入圖片
//先把讀進來的圖片放到一個ByteArrayOutputStream中,以便產生ByteArray
ByteArrayOutputStream byteArrayOut = new ByteArrayOutputStream();
BufferedImage bufferImg = ImageIO.read(new File("ok.jpg"));
ImageIO.write(bufferImg,"jpg",byteArrayOut);
//讀進一個excel模版
FileInputStream fos = new FileInputStream(filePathName+"/stencil.xlt");
fs = new POIFSFileSystem(fos);
//創建一個工作薄
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));
例1:java
import java.io.FileOutputStream;
import org.apache.poi.hssf.usermodel.HSSFCell;
import org.apache.poi.hssf.usermodel.HSSFCellStyle;
import org.apache.poi.hssf.usermodel.HSSFFont;
import org.apache.poi.hssf.usermodel.HSSFRow;
import org.apache.poi.hssf.usermodel.HSSFSheet;
import org.apache.poi.hssf.usermodel.HSSFWorkbook;
import org.apache.poi.hssf.usermodel.HSSFRichTextString;
import org.apache.poi.hssf.usermodel.HSSFDataFormat;
import org.apache.poi.hssf.usermodel.HSSFComment;
import org.apache.poi.hssf.usermodel.HSSFPatriarch;
import org.apache.poi.hssf.usermodel.HSSFClientAnchor;
public class PoiCreateExcelTest ...{
public static void main(String[] args) ...{
/** *//**
* @see <a href="http://poi.apache.org/hssf/quick-guide.html#NewWorkbook">For more</a>
*/
// 創建新的Excel 工作簿
HSSFWorkbook workbook = new HSSFWorkbook();
// 在Excel工作簿中建一工作表,其名爲缺省值, 也可以指定Sheet名稱
HSSFSheet sheet = workbook.createSheet();
//HSSFSheet sheet = workbook.createSheet("SheetName");
// 用於格式化單元格的數據
HSSFDataFormat format = workbook.createDataFormat();
// 創建新行(row),並將單元格(cell)放入其中. 行號從0開始計算.
HSSFRow row = sheet.createRow((short) 1);
// 設置字體
HSSFFont font = workbook.createFont();
font.setFontHeightInPoints((short) 20); //字體高度
font.setColor(HSSFFont.COLOR_RED); //字體顏色
font.setFontName("黑體"); //字體
font.setBoldweight(HSSFFont.BOLDWEIGHT_BOLD); //寬度
font.setItalic(true); //是否使用斜體
// font.setStrikeout(true); //是否使用劃線
// 設置單元格類型
HSSFCellStyle cellStyle = workbook.createCellStyle();
cellStyle.setFont(font);
cellStyle.setAlignment(HSSFCellStyle.ALIGN_CENTER); //水平佈局:居中
cellStyle.setWrapText(true);
// 添加單元格註釋
// 創建HSSFPatriarch對象,HSSFPatriarch是所有註釋的容器.
HSSFPatriarch patr = sheet.createDrawingPatriarch();
// 定義註釋的大小和位置,詳見文檔
HSSFComment comment = patr.createComment(new HSSFClientAnchor(0, 0, 0, 0, (short)4, 2, (short) 6, 5));
// 設置註釋內容
comment.setString(new HSSFRichTextString("可以在POI中添加註釋!"));
// 設置註釋作者. 當鼠標移動到單元格上是可以在狀態欄中看到該內容.
comment.setAuthor("Xuys.");
// 創建單元格
HSSFCell cell = row.createCell((short) 1);
HSSFRichTextString hssfString = new HSSFRichTextString("Hello World!");
cell.setCellValue(hssfString);//設置單元格內容
cell.setCellStyle(cellStyle);//設置單元格樣式
cell.setCellType(HSSFCell.CELL_TYPE_STRING);//指定單元格格式:數值、公式或字符串
cell.setCellComment(comment);//添加註釋
//格式化數據
row = sheet.createRow((short) 2);
cell = row.createCell((short) 2);
cell.setCellValue(11111.25);
cellStyle = workbook.createCellStyle();
cellStyle.setDataFormat(format.getFormat("0.0"));
cell.setCellStyle(cellStyle);
row = sheet.createRow((short) 3);
cell = row.createCell((short) 3);
cell.setCellValue(9736279.073);
cellStyle = workbook.createCellStyle();
cellStyle.setDataFormat(format.getFormat("#,##0.0000"));
cell.setCellStyle(cellStyle);
sheet.autoSizeColumn((short)0); //調整第一列寬度
sheet.autoSizeColumn((short)1); //調整第二列寬度
sheet.autoSizeColumn((short)2); //調整第三列寬度
sheet.autoSizeColumn((short)3); //調整第四列寬度
try ...{
FileOutputStream fileOut = new FileOutputStream("C:\3.xls");
workbook.write(fileOut);
fileOut.close();
} catch (Exception e) ...{
System.out.println(e.toString());
}
}
}
如果編譯器提示沒有autoSizeColumn這個方法,那可能是你的poi版本太低的緣故,我用的是poi3.0版本。
例2:Grails
/**
* Excel導出方法,導出班級工作情況統計列表
* @param
* titleList 標題集合
* classTableInstanceList,questionList 數據集合
*
* out OutputStream out = response.getOutputStream();
* @return
*
*/
def exportWorkList(titleList,classList,questionList,out,ttList){
Workbook wb = new HSSFWorkbook();
Sheet sheet = wb.createSheet("sheet1"); //班級工作情況統計
HSSFRow row = sheet.createRow((short)1);
HSSFRow row2 = sheet.createRow((short)2);
HSSFCell cell = row.createCell((short)1);
HSSFCell cell2 = row.createCell((short)2);
// 設置字體
HSSFFont font = wb.createFont();
//font.setFontHeightInPoints((short) 11); //字體高度
//font.setColor(HSSFFont.COLOR_RED); //字體顏色
//font.setFontName("黑體"); //字體
font.setBoldweight(HSSFFont.BOLDWEIGHT_BOLD); //寬度
// 設置單元格類型
HSSFCellStyle cellStyle = wb.createCellStyle();
cellStyle.setFont(font);
cellStyle.setAlignment(HSSFCellStyle.ALIGN_CENTER); //水平佈局:居中
cellStyle.setWrapText(true);
HSSFCellStyle cellStyle1 = wb.createCellStyle();
cellStyle1.setAlignment(HSSFCellStyle.VERTICAL_TOP); //垂直佈局:居上
cellStyle1.setWrapText(true); //設置自動換行
//設置單元格寬度
sheet.setColumnWidth(0,1500); //序列
sheet.setColumnWidth(1,2500); //區縣名稱
sheet.setColumnWidth(2,7000); //基地名稱
sheet.setColumnWidth(3,7000); //班級名稱
sheet.setColumnWidth(4,2500); //班級狀態
sheet.setColumnWidth(29,3000); //拓寬問題5的單元格寬度
sheet.setColumnWidth(35,5000); //評價最高的老師
sheet.setColumnWidth(36,5000); //評價最低的老師
titleList.eachWithIndex {p,i->
if(i>=5 && i<=10){
cell = row.createCell(5+5*(i-5));
sheet.addMergedRegion(new Region(0,(short)0,0,(short)36));//合併區域第一行
sheet.addMergedRegion(new Region(1,(short)(5+5*(i-5)),1,(short)(5+5*(i-5)+4)));//指定合併區域
cell.setCellValue(p);
cell.setCellStyle(cellStyle);//設置單元格樣式
} }
}
try {
wb.write(out);
out.close();
} catch (FileNotFoundException e1) {
//e1.printStackTrace();
}catch(IOException e){
//e.printStackTrace();
}
}
iLife's 博客http://blog.csdn.net/fei1502816