创建Excel

private static void excelCreate()throws Exception{
File file = new File("F://a.xls");
//创建可写入的Excel工作薄
WritableWorkbook wwb = jxl.Workbook.createWorkbook(file);
//下边这个方法也可以
// OutputStream os = new FileOutputStream(file);
// jxl.write.WritableWorkbook wwb = Workbook.createWorkbook(os);
//创建Excel工作表
jxl.write.WritableSheet ws = wwb.createSheet("Test Sheet 1", 0);
//添加Label对象
jxl.write.Label labelC = new jxl.write.Label(0, 0, "你");
ws.addCell(labelC);

//添加带有字型Formatting的对象
jxl.write.WritableFont wf = new jxl.write.WritableFont(WritableFont.TIMES, 18, WritableFont.BOLD, true);
jxl.write.WritableCellFormat wcfF = new jxl.write.WritableCellFormat(wf);
jxl.write.Label labelCF = new jxl.write.Label(1, 0, "好", wcfF);
ws.addCell(labelCF);


//添加带有字体颜色Formatting的对象
jxl.write.WritableFont wfc = new jxl.write.WritableFont(WritableFont.ARIAL, 10, WritableFont.NO_BOLD, false,
UnderlineStyle.NO_UNDERLINE, jxl.format.Colour.RED);
jxl.write.WritableCellFormat wcfFC = new jxl.write.WritableCellFormat(wfc);
jxl.write.Label labelCFC = new jxl.write.Label(1, 0, "吗", wcfFC);
ws.addCell(labelCFC);


//2.添加Number对象
jxl.write.Number labelN = new jxl.write.Number(0, 1, 3.1415926);
ws.addCell(labelN);


//添加带有formatting的Number对象
jxl.write.NumberFormat nf = new jxl.write.NumberFormat("#.##");
jxl.write.WritableCellFormat wcfN = new jxl.write.WritableCellFormat(nf);
jxl.write.Number labelNF = new jxl.write.Number(1, 1, 3.1415926, wcfN);
ws.addCell(labelNF);


//3.添加Boolean对象
jxl.write.Boolean labelB = new jxl.write.Boolean(0, 2, false);
ws.addCell(labelB);


//4.添加DateTime对象
jxl.write.DateTime labelDT = new jxl.write.DateTime(0, 3, new java.util.Date());
ws.addCell(labelDT);


//添加带有formatting的DateFormat对象
jxl.write.DateFormat df = new jxl.write.DateFormat("dd MM yyyy hh:mm:ss");
jxl.write.WritableCellFormat wcfDF = new jxl.write.WritableCellFormat(df);
jxl.write.DateTime labelDTF = new jxl.write.DateTime(1, 3, new java.util.Date(), wcfDF);
ws.addCell(labelDTF);


//写入Exel工作表
wwb.write();


//关闭Excel工作薄对象
wwb.close();
}