import org.apache.poi.hssf.model.Workbook; import org.apache.poi.hssf.usermodel.*; import java.io.FileOutputStream; import java.io.IOException; import java.util.Date; 
public class ExcelCreate {  public static void main(String[] args)throws IOException  {      HSSFWorkbook wb = new HSSFWorkbook();//建立新HSSFWorkbook对象   HSSFSheet sheet = wb.createSheet("new sheet");//建立新的sheet对象         // Create a row and put some cells in it. Rows are 0 based.   HSSFRow row = sheet.createRow((short)0);//建立新行      // Create a cell and put a value in it.   HSSFCell cell = row.createCell((short)0);//建立新cell   cell.setCellValue(1);//设置cell的整数类型的值         // Or do it on one line.   row.createCell((short)1).setCellValue(1.2);//设置cell浮点类型的值   row.createCell((short)2).setCellValue("test");//设置cell字符类型的值   row.createCell((short)3).setCellValue(true);//设置cell布尔类型的值    HSSFCellStyle cellStyle = wb.createCellStyle();//建立新的cell样式   Workbook workBook = new Workbook();   HSSFDataFormat hSSFDataFormat = new HSSFDataFormat(workBook);   cellStyle.setDataFormat(hSSFDataFormat.getFormat("m/d/yy h:mm"));//设置cell样式为定制的日期格式   HSSFCell dCell =row.createCell((short)4);   dCell.setCellValue(new Date());//设置cell为日期类型的值   dCell.setCellStyle(cellStyle); //设置该cell日期的显示格式   HSSFCell csCell =row.createCell((short)5);   csCell.setEncoding(HSSFCell.ENCODING_UTF_16);//设置cell编码解决中文高位字节截断   csCell.setCellValue("中文测试_Chinese Words Test");//设置中西文结合字符串   row.createCell((short)6).setCellType(HSSFCell.CELL_TYPE_ERROR);//建立错误cell      // Write the output to a file   FileOutputStream fileOut = new FileOutputStream("c:/workbook.xls");   wb.write(fileOut);   fileOut.close();     } } 
   
 
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