//autoSizeColumn()方法自动调整excel列宽
importjava.io.FileOutputStream;
importorg.apache.poi.hssf.usermodel.HSSFCell;
importorg.apache.poi.hssf.usermodel.HSSFCellStyle;
importorg.apache.poi.hssf.usermodel.HSSFFont;
importorg.apache.poi.hssf.usermodel.HSSFRow;
importorg.apache.poi.hssf.usermodel.HSSFSheet;
importorg.apache.poi.hssf.usermodel.HSSFWorkbook;
importorg.apache.poi.hssf.usermodel.HSSFRichTextString;
importorg.apache.poi.hssf.usermodel.HSSFDataFormat;
importorg.apache.poi.hssf.usermodel.HSSFComment;
importorg.apache.poi.hssf.usermodel.HSSFPatriarch;
importorg.apache.poi.hssf.usermodel.HSSFClientAnchor; publicclassPoiCreateExcelTest {
publicstaticvoidmain(String[] args) { //创建新的Excel 工作簿
HSSFWorkbook workbook =newHSSFWorkbook(); //在Excel工作簿中建一工作表,其名为缺省值, 也可以指定Sheet名称
HSSFSheet sheet =workbook.createSheet();
//HSSFSheet sheet = workbook.createSheet("SheetName"); //用于格式化单元格的数据
HSSFDataFormat format =workbook.createDataFormat(); //创建新行(row),并将单元格(cell)放入其中. 行号从0开始计算.
HSSFRow row =sheet.createRow((short) 1); //设置字体
HSSFFont font =workbook.createFont();
font.setFontHeightInPoints((short) 20); //字体高度
font.setColor(HSSFFont.COLOR_RED); //字体颜色
font.setFontName("黑体"); //字体
font.setBoldweight(HSSFFont.BOLDWEIGHT_BOLD); //宽度
font.setItalic(true); //是否使用斜体
// font.setStrikeout(true); //是否使用划线 //设置单元格类型
HSSFCellStyle cellStyle =workbook.createCellStyle();
cellStyle.setFont(font);
cellStyle.setAlignment(HSSFCellStyle.ALIGN_CENTER); //水平布局:居中
cellStyle.setWrapText(true); //添加单元格注释
//创建HSSFPatriarch对象,HSSFPatriarch是所有注释的容器.
HSSFPatriarch patr =sheet.createDrawingPatriarch();
//定义注释的大小和位置,详见文档
HSSFComment comment =patr.createComment(newHSSFClientAnchor(0, 0, 0, 0, (short)4, 2, (short) 6, 5));
//设置注释内容
comment.setString(newHSSFRichTextString("可以在POI中添加注释!"));
//设置注释作者. 当鼠标移动到单元格上是可以在状态栏中看到该内容.
comment.setAuthor("Xuys."); //创建单元格
HSSFCell cell =row.createCell((short) 1);
HSSFRichTextString hssfString =newHSSFRichTextString("Hello World!");
cell.setCellValue(hssfString);//设置单元格内容
cell.setCellStyle(cellStyle);//设置单元格样式
cell.setCellType(HSSFCell.CELL_TYPE_STRING);//指定单元格格式:数值、公式或字符串
cell.setCellComment(comment);//添加注释 //格式化数据
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); //调整第一列宽度
sheet.autoSizeColumn((short)1); //调整第二列宽度
sheet.autoSizeColumn((short)2); //调整第三列宽度
sheet.autoSizeColumn((short)3); //调整第四列宽度 try{
FileOutputStream fileOut =newFileOutputStream("C:\3.xls");
workbook.write(fileOut);
fileOut.close();
}catch(Exception e) {
System.out.println(e.toString());
}
} }