操作Excel表格文件

import java.io.File;

import jxl.Workbook;
import jxl.format.Border;
import jxl.format.BorderLineStyle;
import jxl.format.Colour;
import jxl.write.Label;
import jxl.write.WritableCellFormat;
import jxl.write.WritableFont;
import jxl.write.WritableSheet;
import jxl.write.WritableWorkbook;

/**
 *
 * @author XHW
 *
 * @date 2012-2-29
 *
 */
public class ExcelHandle {

 /**
  * @param args
  */
 public static void main(String[] args) {
  ExcelHandle excelHandle = new ExcelHandle();
  excelHandle.writeExcel();

 }

 /**
  * 写入Excel
  *
  */
 public void writeExcel() {
  try {
   // 写入到那个Excel文件 如：c:\\hello.xls,或者hello.xls(这个是在项目的根目录下)
   WritableWorkbook wwb = Workbook
     .createWorkbook(new File("hello.xls"));
   // 创建Excel工作表 指定名称和位置
   WritableSheet ws = wwb.createSheet("Test Sheet 1", 0);
   // 设置表格的列宽度
   ws.setColumnView(0, 14);// 第一列宽14
   ws.setColumnView(1, 12);
   ws.setColumnView(2, 25);
   ws.setColumnView(3, 20);
   ws.setColumnView(4, 12);
   ws.setColumnView(5, 9);
   ws.setColumnView(6, 12);// 第7列宽12

   // **************往工作表中添加数据*****************

   // 定义字体格式：字体为：微软雅黑，24号子，加粗
   WritableFont titleFont = new WritableFont(
     WritableFont.createFont("微软雅黑"), 24, WritableFont.NO_BOLD);
   WritableFont contentFont = new WritableFont(
     WritableFont.createFont("楷体 _GB2312"), 12,
     WritableFont.NO_BOLD);

   WritableCellFormat titleFormat = new WritableCellFormat(titleFont);
   WritableCellFormat contentFormat = new WritableCellFormat(
     contentFont);
   WritableCellFormat contentFormat2 = new WritableCellFormat(
     contentFont);

   contentFormat.setBorder(Border.ALL, BorderLineStyle.THIN,
     Colour.BLACK);
   // 设置格式居中对齐
   titleFormat.setAlignment(jxl.format.Alignment.CENTRE);
   contentFormat2.setAlignment(jxl.format.Alignment.CENTRE);

   // ***************将定义好的单元格添加到工作表中*****************
   ws.mergeCells(0, 0, 6, 0);// 合并单元格A-G共7列
   ws.addCell(new Label(0, 0, "广州XXX大学2009级研究生课程考试成绩册", titleFormat));
   ws.addCell(new Label(0, 1, "课程名称", contentFormat2));
   ws.mergeCells(1, 1, 6, 1);// 合并单元格B-G共6列
   ws.addCell(new Label(1, 1, "大学数学", contentFormat2));
   ws.addCell(new Label(0, 2, "院所教研室", contentFormat2));
   ws.mergeCells(1, 2, 6, 2);// 合并单元格B-G共6列
   ws.addCell(new Label(0, 3, "填表人", contentFormat2));
   ws.addCell(new Label(2, 3, "教研室负责人", contentFormat2));

   String th[] = { "学号", "姓名", "学院", "平时成绩", "期末成绩", "总成绩", "补考成绩" };
   for (int i = 0; i < 7; i++) {
    ws.addCell(new Label(i, 4, th[i], contentFormat2));
   }
   // 这里我们可以从数据库里面查询数据，然后在这里获取数据
   int xh = 200901;
   String xm = "王佳佳";
   String xy = "XXX信息技术学院";
   String space = " ";
   int cj = 50;
   String bk = "补 80";
   // 向Excel中插入数据
   for (int j = 5; j < 10; j++) {
    ws.addCell(new Label(0, j, "" + xh + j + "", contentFormat));
    ws.addCell(new Label(1, j, xm + j, contentFormat));
    ws.addCell(new Label(2, j, xy, contentFormat));
    ws.addCell(new Label(3, j, space, contentFormat));
    ws.addCell(new Label(4, j, space, contentFormat));
    ws.addCell(new Label(5, j, "" + cj + j + "", contentFormat));
    ws.addCell(new Label(6, j, "" + bk + "", contentFormat));
   }
   // 写入工作表完毕，关闭流
   wwb.write();
   wwb.close();
  } catch (Exception e) {
   e.printStackTrace();
  }
 }

}

java jxl技术操作Excel表格文件 - 云代码 http://yuncode.net/code/c_50c2898455b8899