public String exportExcel(long id) {    String preeReviewName = "文件名";        String filePath = 路径名;    WritableWorkbook wwb =null;    try {        wwb = Workbook.createWorkbook(new File(filePath + preeReviewName +".xls"));        writeReviewGeneral(wwb, id);        //一个Excel表若有多个sheet页，可以加多个        wwb.write();        wwb.close();    } catch (IOException e) {        e.printStackTrace();    } catch (Exception e) {        e.printStackTrace();    }     return preeReviewName;}private void writeReviewGeneral(WritableWorkbook wwb,long id){    //获取数据库的数据    PreeReviewInfo result = preeReviewInfoDS.getPreeReviewInfo(id).getT();    //数据库各个字段的值放进List    List
     
       list = new ArrayList
      
       ();    list.add(result.getPreeReviewName());//项目名称    list.add(result.getPreeReviewTarget());//评审对象    list.add(ReviewTypes.getDescription(result.getPreeReviewType()));//评审方式    list.add(result.getPreeReviewScale());//评审规模    list.add(result.getProcessName(););//项目当前阶段:所处过程    list.add(result.getPreeCompere());//主持人    list.add(result.getDocumentCreator());//作者    list.add(result.getPreeRegistrar());//记录员    list.add(result.getPreeActor());//评审员    list.add(result.getExpert());//关键资源:专家    try {        WritableSheet sheet = wwb.createSheet("评审概况",0);        //设置头部格式        WritableCellFormat headerFormat = getExcelHeadStyle();        //设置内容格式        WritableCellFormat contentFormat = getExcelContentStyle();        for(int i =0; i < list.size(); i++){            sheet.setColumnView(0, 25);//列宽            sheet.setColumnView(1, 25);//列宽                        sheet.setRowView(i, 300);    //行高            sheet.addCell(new Label(0,i,ExportSummary.reviewGeneral[i],headerFormat));            sheet.addCell(new Label(1,i,list.get(i),contentFormat));        }    } catch (RowsExceededException e) {        e.printStackTrace();    } catch (WriteException e) {        e.printStackTrace();    } }private WritableCellFormat getExcelHeadStyle(){    WritableFont font = new WritableFont(WritableFont.createFont("宋体"),             11, WritableFont.NO_BOLD, false, UnderlineStyle.NO_UNDERLINE, jxl.format.Colour.RED);    WritableCellFormat headerFormat = new WritableCellFormat(NumberFormats.TEXT);     headerFormat.setFont(font);    try {        //内容水平居中显示        headerFormat.setAlignment(jxl.format.Alignment.CENTRE);    } catch (WriteException e) {        e.printStackTrace();    }         return headerFormat;}private WritableCellFormat getExcelContentStyle(){    WritableFont font = new WritableFont(WritableFont.createFont("宋体"),             11, WritableFont.NO_BOLD, false, UnderlineStyle.NO_UNDERLINE, jxl.format.Colour.BLACK);    WritableCellFormat contentFormat = new WritableCellFormat(NumberFormats.TEXT);     contentFormat.setFont(font);    try {        //允许换行        contentFormat.setWrap(true);    } catch (WriteException e) {        e.printStackTrace();    }    return contentFormat;}