jxl导出excel 文档

resunly

刚工作就碰到让转个excel 文档,当时贴了别人的.后来有时间赶紧自己照着别人写个,只要把别人的东西弄明白就是自己的了,
 哈哈! 看代码 ,这个功能是弹出提示框的,也解决了导出后的数据类型问题,还有 标题显示,并可以吧标题颜色做改变: 贴出来大家分享!
package com.resunly;import java.io.OutputStream;import java.util.List;import javax.servlet.http.HttpServletResponse;import jxl.Workbook;import jxl.format.Alignment;import jxl.format.Border;import jxl.format.BorderLineStyle;import jxl.format.Colour;import jxl.format.VerticalAlignment;import jxl.write.Label;import jxl.write.WritableCellFormat;import jxl.write.WritableFont;import jxl.write.WritableSheet;import jxl.write.WritableWorkbook;public class ExcelMethod {public void toExcelTest(List stulist, HttpServletResponse response){//创建工作流OutputStream os = null;//初始化工作表WritableWorkbook workbook = null;try {//设置弹出对话框response.setContentType("application/DOWLOAD");//设置工作表的标题response.setHeader("Content-Disposition", "attachment; filename=My Test TO Excel.xls");os = response.getOutputStream();//创建工作表workbook = Workbook.createWorkbook(os);//定义工作表 sheet 标题WritableSheet ws = workbook.createSheet("Mapping", 0);ws.getSettings().setShowGridLines(true);ws.getSettings().setProtected(false);//控制列的宽度,如果你要不给一样的宽度,就单独写,i代表的是列的下标,从0开始 ,从左到右for(int i=0;i<7;i++){ws.setColumnView(i, 20);}// 創建标题列名称Label titleLabel = null;titleLabel = new Label(0, 0, "StuNo", getHeadFormat());ws.addCell(titleLabel);titleLabel = new Label(1, 0, "StuName", getHeadFormat());ws.addCell(titleLabel);titleLabel = new Label(2, 0, "StuMoniter", getHeadFormat());ws.addCell(titleLabel);titleLabel = new Label(3, 0, "StuAddr", getHeadFormat());ws.addCell(titleLabel);titleLabel = new Label(4, 0, "Stu TELL", getHeadFormat());ws.addCell(titleLabel);titleLabel = new Label(5, 0, "Stu sex", getHeadFormat());ws.addCell(titleLabel);titleLabel = new Label(6, 0, "Stu classNo", getHeadFormat());ws.addCell(titleLabel);//循环添加对象数据for (int i = 0; i < stulist.size(); i++) {Stuinfo stuinfo =  (Stuinfo) stulist.get(i);String stuNo=stuinfo.getStuNo().toString();String stuName=stuinfo.getStuName().toString();String stuAddr=stuinfo.getAddr().toString();String stusex=stuinfo.getStuSex().toString();String stuminter=stuinfo.getMoniter().toString();String stuClassno=stuinfo.getClassNo();String stutell = stuinfo.getTell();Label stuNoLabel = new Label(0, i + 1, stuNo);Label stuNameLabel = new Label(1, i + 1, stuName);Label stuminterLabel = new Label(2, i +1, stuminter);Label stuAddrLable = new Label(3, i + 1, stuAddr);//Label stuTellLabel = new Label(4, i + 1, stutell); 如果用这个导出后会有数值和文本的区别jxl.write.Number tellNumber = new jxl.write.Number(4,i+1,Double.parseDouble(stutell));Label stusexLabel = new Label(5, i + 1,stusex );//Label classNoLabel = new Label(6, i + 1,stuClassno); 一下要注意了,必须要转成double类型的数据jxl.write.Number classNoNumber = new jxl.write.Number(6, i + 1,Double.parseDouble(stuClassno));ws.addCell(stuNoLabel);ws.addCell(stuNameLabel);ws.addCell(stuminterLabel);ws.addCell(stuAddrLable);ws.addCell(tellNumber);ws.addCell(stusexLabel);ws.addCell(classNoNumber);}workbook.write();workbook.close();os.close();} catch (Exception e) {System.out.println(e.getCause());System.out.println(e.getMessage());}}/** * 设置单元格样式 * @return * @throws Exception */public static WritableCellFormat getHeadFormat() throws Exception {//设置字体WritableFont wf = new WritableFont(WritableFont.ARIAL, 8, WritableFont.BOLD);//创建单元格FORMATWritableCellFormat wcf = new WritableCellFormat(wf);wcf.setAlignment(Alignment.CENTRE);                         wcf.setVerticalAlignment(VerticalAlignment.CENTRE);         wcf.setLocked(true);wcf.setBorder(Border.ALL, BorderLineStyle.THIN, Colour.BLACK);wcf.setBackground(Colour.GREY_25_PERCENT);return wcf;}}