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云代码 - java代码库

java jxl技术操作Excel表格文件

2012-12-08 作者: 程序猿style举报

[java]代码库

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();
        }
    }
 
}


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