jxl写入一个excel文件。

读取方面请看下面相关链接，上一遍是关于读取excel的。

package com.javaer.file;import java.io.File;import java.io.IOException;import jxl.Workbook;import jxl.write.Label;import jxl.write.WritableCellFormat;import jxl.write.WritableFont;import jxl.write.WritableSheet;import jxl.write.WritableWorkbook;import jxl.write.WriteException;import jxl.write.biff.RowsExceededException;public class ExcelWrite {	/**	 * @param args	 * @throws IOException 	 * @throws WriteException 	 * @throws RowsExceededException 	 */	public static void main(String[] args) throws IOException, RowsExceededException, WriteException {		String fname = "/1.xls";		File f = new File(fname);				WritableWorkbook wb=Workbook.createWorkbook(f);		WritableSheet wsheet=wb.createSheet("第一页",0);				WritableFont font1= new WritableFont(WritableFont.ARIAL,10,WritableFont.BOLD); 		WritableCellFormat format1=new WritableCellFormat(font1);				wsheet.addCell(new Label(0,0, "名字",format1));		wsheet.addCell(new Label(1,0, "外号",format1));		wsheet.addCell(new Label(2,0, "排行",format1));//前面那个2是表示列，后面的0表示当前行				wsheet.addCell(new Label(0,1, "张三疯",format1));		wsheet.addCell(new Label(1,1, "老鬼",format1));		//wsheet.addCell(new Label(2,1, "1",format1));//前面那个2是表示列，后面的1表示当前行		jxl.write.Number number = new jxl.write.Number(2,1,1 );//写入一个数字格式的。		wsheet.addCell(number);				wb.write();		wb.close();				}}

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