导出excel，格式设置

package com.java.demo;  
  
import java.io.File;  
import java.io.IOException;  
import jxl.Workbook;  
import jxl.format.Alignment;  
import jxl.format.Border;  
import jxl.format.BorderLineStyle;  
import jxl.format.Colour;  
import jxl.format.UnderlineStyle;  
import jxl.format.VerticalAlignment;  
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;  
  
/** 
 * 导出Excel实例: 
 * @author Administrator 
 * 
 */  
public class ExcelDemo {  
  
    /** 
     * @param args 
     * @throws IOException  
     * @throws WriteException  
     * @throws RowsExceededException  
     */  
    public static void main(String[] args) throws IOException, RowsExceededException, WriteException {  
        //创建Excel工作簿;  
        WritableWorkbook workbook = Workbook.createWorkbook(new File("C:/ExcelDemo.xls"));  
  
        //创建Excel电子薄;  
        WritableSheet sheet = workbook.createSheet("第一个Sheet", 0);  
        //分别给2,3,4列设置不同的宽度;  
        sheet.setColumnView(1, 40);  
        sheet.setColumnView(1, 30);  
        sheet.setColumnView(2, 50);  
        sheet.setColumnView(3, 20);  
  
        //给sheet电子版中所有的列设置默认的列的宽度;  
        sheet.getSettings().setDefaultColumnWidth(30);  
  
        //设置字体;  
        WritableFont font1 = new WritableFont(WritableFont.ARIAL,14,WritableFont.BOLD,false,UnderlineStyle.NO_UNDERLINE,Colour.RED);  
  
        WritableCellFormat cellFormat1 = new WritableCellFormat(font1);  
        //设置背景颜色;  
        cellFormat1.setBackground(Colour.BLUE_GREY);  
        //设置边框;  
        cellFormat1.setBorder(Border.ALL, BorderLineStyle.DASH_DOT);  
        //设置自动换行;  
        cellFormat1.setWrap(true);  
        //设置文字居中对齐方式;  
        cellFormat1.setAlignment(Alignment.CENTRE);  
        //设置垂直居中;  
        cellFormat1.setVerticalAlignment(VerticalAlignment.CENTRE);  
        //创建单元格  
        Label label1 = new Label(0, 0, "第一行第一个单元格(测试是否自动换行!)",cellFormat1);  
        Label label2 = new Label(1, 0, "第一行第二个单元格",cellFormat1);  
        Label label3 = new Label(2, 0, "第一行第三个单元格",cellFormat1);  
        Label label4 = new Label(3, 0, "第一行第四个单元格",cellFormat1);  
        //添加到行中;  
        sheet.addCell(label1);  
        sheet.addCell(label2);  
        sheet.addCell(label3);  
        sheet.addCell(label4);  
          
        //给第二行设置背景、字体颜色、对齐方式等等;  
        WritableFont font2 = new WritableFont(WritableFont.ARIAL,14,WritableFont.NO_BOLD,false,UnderlineStyle.NO_UNDERLINE,Colour.BLUE2);  
        WritableCellFormat cellFormat2 = new WritableCellFormat(font2);  
        cellFormat2.setAlignment(Alignment.CENTRE);  
        cellFormat2.setBackground(Colour.PINK);  
        cellFormat2.setBorder(Border.ALL, BorderLineStyle.THIN);  
        cellFormat2.setWrap(true);  
  
        //创建单元格;  
        Label label11= new Label(0,  1, "第二行第一个单元格(测试是否自动换行!)",cellFormat2);  
        Label label22 = new Label(1, 1, "第二行第二个单元格",cellFormat2);  
        Label label33 = new Label(2, 1, "第二行第三个单元格",cellFormat2);  
        Label label44 = new Label(3, 1, "第二行第四个单元格",cellFormat2);  
　　　　 sheet.mergeCells(index+7,10,index+8,10); //添加合并单元格，第一个参数是起始列，第二个参数是起始行，第三个参数是终止列，第四个参数是终止行
  
        sheet.addCell(label11);  
        sheet.addCell(label22);  
        sheet.addCell(label33);  
        sheet.addCell(label44);  
  
        //写入Excel表格中;  
        workbook.write();  
        //关闭流;  
        workbook.close();  
    }  
} 

 1、controller

public String exportStaffAttendce(AttendMonthly domain, Model model, HttpServletRequest request, HttpServletResponse response, RedirectAttributes redirect) {try {    
            String fileName = "员工考勤.xls";
            response.setContentType("application/x-msdownload");
            if (request.getHeader("User-Agent").toLowerCase().indexOf("firefox") > 0) {
                fileName = new String(fileName.getBytes("UTF-8"), "ISO8859-1");
            }
            //IE
            else{
                fileName = URLEncoder.encode(fileName, "UTF-8");
            }
            response.setHeader("Content-Disposition", "attachment;filename=""+fileName+""");
            try {
                attendMonthlyService.dailyPerQueryExport(domain, response.getOutputStream());
            } catch (Exception e) {
                e.printStackTrace();
            }
        } catch (IOException e) {
            e.printStackTrace();
        }
        return null;
    }

2、service

public void dailyPerQueryExport(AttendMonthly domain, OutputStream os)
            throws RowsExceededException, WriteException, IOException, Exception  {//创建工作薄
        WritableWorkbook workbook = Workbook.createWorkbook(os);
        //创建新的一页
        WritableSheet sheet = workbook.createSheet("人员日志", 0);
        //构造表头
        sheet.mergeCells(0, 0, size*11-1, 2);//添加合并单元格，第一个参数是起始列，第二个参数是起始行，第三个参数是终止列，第四个参数是终止行
        //生成一个单元格样式控制对象
        WritableCellFormat titleFormate = new WritableCellFormat();
        titleFormate.setAlignment(jxl.format.Alignment.CENTRE);//单元格中的内容水平方向居中
        titleFormate.setVerticalAlignment(jxl.format.VerticalAlignment.CENTRE);//单元格的内容垂直方向居中
        titleFormate.setWrap(true);
        //设置字体;  
        WritableFont font1 = new WritableFont(WritableFont.ARIAL,14,WritableFont.BOLD,false,UnderlineStyle.NO_UNDERLINE,Colour.BLACK);
        //生成一个单元格样式控制对象
        WritableCellFormat titleFormate2 = new WritableCellFormat(font1);
        titleFormate2.setAlignment(jxl.format.Alignment.CENTRE);//单元格中的内容水平方向居中
        titleFormate2.setVerticalAlignment(jxl.format.VerticalAlignment.CENTRE);//单元格的内容垂直方向居中
        titleFormate2.setWrap(true);
        //设置边框;  
        titleFormate.setBorder(Border.ALL, BorderLineStyle.THIN);
        Label title = new Label(0,0,"员工考勤表"+"
"+"考勤日期:"+begin + "~" + end+"      "+"制表时间："+create,titleFormate2);
        sheet.addCell(title);
        
        //给sheet电子版中所有的列设置默认的列的宽度;  
        sheet.getSettings().setDefaultColumnWidth(4);
        
        //创建要显示的具体内容
        //表头
        for(int i=0;i<size;i++){
            int index = i*11;
            //分别给1,2列设置不同的宽度; 
            sheet.setColumnView(index, 3);  // 日期
            sheet.setColumnView(index+1, 3);  // 星期
            sheet.setColumnView(index+6, 8);  
            AttendMonthly am = list.get(i);
            // 第一行
            Label deptName = new Label(index,3,"部门",titleFormate);
            sheet.addCell(deptName);
            sheet.mergeCells(index,3,index+1,3);
            Label deptNaTd = new Label(index+2,3,am.getOrgName(),titleFormate);
            sheet.addCell(deptNaTd);
            sheet.mergeCells(index+2,3,index+6,3);
            Label name = new Label(index+7,3,"姓名",titleFormate);
            sheet.addCell(name);
            Label nameTd = new Label(index+8,3,am.getStaffName(),titleFormate);
            sheet.addCell(nameTd);
            sheet.mergeCells(index+8,3,index+10,3);
            // 第二行
            Label date = new Label(index,4,"日期",titleFormate);
            sheet.addCell(date);
            sheet.mergeCells(index,4,index+1,4);
            Label dateTd = new Label(index+2,4,begin + "~" + end,titleFormate);
            sheet.addCell(dateTd);
            sheet.mergeCells(index+2,4,index+6,4);
            Label num = new Label(index+7,4,"工号",titleFormate);
            sheet.addCell(num);
            Label numTd = new Label(index+8,4,am.getStaffNo(),titleFormate);
            sheet.addCell(numTd);
            sheet.mergeCells(index+8,4,index+10,4);
        }
        for(int i=0;i<dates.length;i++){
            String tm = dates[i];
            String subTm = tm.substring(8, 10);
            int row = i + 11;
            for(int j=0;j<list.size();j++){
                AttendMonthly am = list.get(j);
                int cols = j*11;
                for(int n=0;n<attendanceList.size();n++){
                    AttendRecord aR = attendanceList.get(n);
                    if(am.getStaffId() == aR.getStaffId()){
                        if(!StringUtil.isEmptyString(aR.getAttendDate()) && aR.getAttendDate().equals(tm)){
                            Label dat = new Label(cols,row,subTm,titleFormate);// 日期
                            sheet.addCell(dat);
                            Label weekNum = new Label(cols+1,row,aR.getWeek(),titleFormate);// 星期
                            sheet.addCell(weekNum);
                            Label amIn = new Label(cols+2,row,aR.getInRegisterTime(),titleFormate);// 上午上班
                            sheet.addCell(amIn);
                            sheet.mergeCells(cols+2,row,cols+3,row);
                            Label amOut = new Label(cols+4,row,aR.getAmOutRegisterTime(),titleFormate);// 上午下班
                            sheet.addCell(amOut);
                            sheet.mergeCells(cols+4,row,cols+5,row);
                            Label pmIn = new Label(cols+6,row,aR.getPmInRegisterTime(),titleFormate);// 下午上班
                            sheet.addCell(pmIn);
                            Label pmOut = new Label(cols+7,row,aR.getOutRegisterTime(),titleFormate);// 下午下班
                            sheet.addCell(pmOut);
                            sheet.mergeCells(cols+7,row,cols+8,row);
                            Label signIn = new Label(cols+9,row,"",titleFormate);// 签到
                            sheet.addCell(signIn);
                            Label signOut = new Label(cols+10,row,"",titleFormate);// 签退
                            sheet.addCell(signOut);
                        }
                    }
                }
            }
        }
        //把创建的内容写入到输出流中，并关闭输出流
        workbook.write();
        workbook.close();
        os.flush();
        os.close();
    }