Java导出Excel并设置打印样式
本文介绍如何使用Java的jxl库导出Excel文件，并详细展示了如何设置Excel文件的打印样式，包括标题、字段字体及位置等。
运用jxl导出excel，并设置一些打印的样式：
public void outputExcel(HttpServletRequest request, HttpServletResponse response,String title)throws IOException
{
//获取输出流
OutputStream os = response.getOutputStream();
HttpSession session=request.getSession();
String oprator=(String)session.getAttribute("yhxm");
//设置编码
response.setHeader("Content-disposition", "attachment; filename="+"cprdpxx"+".xls");// 设定输出文件头
request.setCharacterEncoding("utf-8");
//设置文件格式
response.setContentType("application/vnd.ms-excel;charset=utf-8");
//加标题
//标题字体
//设置单元格字体，位置
jxl.write.WritableFont wfc = new jxl.write.WritableFont(WritableFont.COURIER, 18, WritableFont.BOLD, true);
jxl.write.WritableCellFormat wcfFC = new jxl.write.WritableCellFormat(wfc);
try {
wcfFC.setAlignment(jxl.format.Alignment.CENTRE);
wcfFC.setVerticalAlignment(jxl.format.VerticalAlignment.CENTRE);
//字段字体
jxl.write.WritableFont wfc1 = new jxl.write.WritableFont(WritableFont.COURIER, 12, WritableFont.NO_BOLD, false,UnderlineStyle.NO_UNDERLINE, Colour.BLACK);
jxl.write.WritableCellFormat wcfFC1 = new jxl.write.WritableCellFormat(wfc1);
wcfFC1.setBorder(Border.NONE,BorderLineStyle.THIN,Colour.GRAY_50);
//设置字体位置
wcfFC1.setAlignment(jxl.format.Alignment.CENTRE);
wcfFC1.setVerticalAlignment(jxl.format.VerticalAlignment.CENTRE);
//////////////////////////////////////////////
//2013/7/17
//标题字体
jxl.write.WritableFont wfc3 = new jxl.write.WritableFont(WritableFont.COURIER, 14, WritableFont.BOLD, false,UnderlineStyle.NO_UNDERLINE, Colour.BLACK);
jxl.write.WritableCellFormat wcfFC3 = new jxl.write.WritableCellFormat(wfc3);
wcfFC3.setBorder(Border.NONE,BorderLineStyle.THIN,Colour.GRAY_50);
//设置字体位置
wcfFC3.setAlignment(jxl.format.Alignment.CENTRE);
wcfFC3.setVerticalAlignment(jxl.format.VerticalAlignment.CENTRE);
////////////////////////////////////////////////
//查询结果字体
jxl.write.WritableCellFormat wcfFC2 = new jxl.write.WritableCellFormat();
wcfFC2.setAlignment(jxl.format.Alignment.CENTRE);
wcfFC2.setVerticalAlignment(jxl.format.VerticalAlignment.CENTRE);
WritableWorkbook wbook = Workbook.createWorkbook(os);
//设置默认字体
WritableFont font=new WritableFont(WritableFont.COURIER, 12, WritableFont.NO_BOLD, false, UnderlineStyle.NO_UNDERLINE, Colour.BLACK);
WritableCellFormat cFormat = new WritableCellFormat(font);
cFormat.setAlignment(jxl.format.Alignment.CENTRE);
cFormat.setBorder(Border.ALL,BorderLineStyle.THIN,Colour.GRAY_50);
cFormat.setBackground(Colour.WHITE);
//2013/7/17
//设置信息头栏字体
WritableFont font11=new WritableFont(WritableFont.COURIER, 12, WritableFont.BOLD, false, UnderlineStyle.NO_UNDERLINE, Colour.BLACK);
WritableCellFormat cFormat11 = new WritableCellFormat(font11);
cFormat11.setAlignment(jxl.format.Alignment.CENTRE);
cFormat11.setBorder(Border.ALL,BorderLineStyle.THIN,Colour.GRAY_50);
cFormat11.setBackground(Colour.WHITE);
//写sheet名称
WritableSheet wsheet = wbook.createSheet("长江大学职称评审投票信息统计表", 0);
//设置单元格默认列宽
wsheet.getSettings().setDefaultColumnWidth(10);
wsheet.getSettings().setDefaultRowHeight(350);
//设置sheet页面水平打印
wsheet.getSettings().setHorizontalCentre(true);
//默认为横向打印//2013/7/17
wsheet.setPageSetup(PageOrientation.LANDSCAPE.LANDSCAPE,PaperSize.A4,0.5d,0.5d);
/**
* lrr 2014-05-27 BEGIN
* 功能描述：设置页码格式：第 X 页（共 X 页）
*/
// wsheet.setFooter("", "&P", "");//过时的方法
··HeaderFooter footer = new HeaderFooter();
··Contents contentsFooter = footer.getCentre();
contentsFooter.setFontSize(10);
contentsFooter.append("第 ");
contentsFooter.appendPageNumber();
contentsFooter.append(" 页 （ 共 ");
contentsFooter.appendTotalPages();
contentsFooter.append(" 页 ）");
//设置打印标题行
// wsheet.getSettings().setVerticalFreeze(3);
SheetSettings ss=wsheet.getSettings();
ss.setFooter(footer);// 设置页脚
/**
* lrr 2014-05-27 END
* 功能描述：设置页码格式：第 X 页（共 X 页）
*/
// ss.setPrintTitles(0,2,0,10);
ss.setPrintTitlesRow(0,2);//设置固定打印标题
ss.setOrientation(PageOrientation.LANDSCAPE);
wsheet.setPageSetup(PageOrientation.LANDSCAPE);
//标题
wsheet.mergeCells(0, 0, 10, 0);
/**
* lrr 2014-05-24 改 BEGIN
* 功能描述：修改投票信息统计表格式
*/
wsheet.addCell(new jxl.write.Label(0, 0, "长江大学职称评审投票信息统计表",wcfFC3));//设置统计表标题
WritableFont font1=new WritableFont(WritableFont.COURIER, 12, WritableFont.NO_BOLD, false, UnderlineStyle.NO_UNDERLINE, Colour.BLACK);
WritableCellFormat cFormat1 = new WritableCellFormat(font1);
cFormat1.setAlignment(jxl.format.Alignment.RIGHT);
cFormat1.setBorder(Border.NONE,BorderLineStyle.THIN,Colour.GRAY_50);
cFormat1.setBackground(Colour.WHITE);
wsheet.addCell(new jxl.write.Label(0,1,"评审日期："+(new SimpleDateFormat("yyyy-MM-dd").format(new java.util.Date())) ,cFormat1));//合计列
/**
* lrr 2014-05-24 改 END
* 功能描述：修改投票信息统计表格式
*/
/**
* 以下为从数据库中查询数据添加到wsheet中
*/
PersistenceManagerOfZcps pmoz=new PersistenceManagerOfZcps();
String zsql="select count(*) from view_cprdp where 1=1 "+title;//总人数
//String xb_n_sql="select count(*) from view_cprxx where xb='1'";//性别男 人数
String hj="";//合计
String sql="select * from view_cprdp where 1=1 "+title;
// String year=request.getParameter("year");
sql+="order by year_dm desc,zcbh asc,ls,ty_num desc,cpbh";
// //System.out.println("sql="+sql);
ResultSet rs=pmoz.executeQuery(sql);
List<zc_cprdpxx> cprdp_list=new ArrayList<zc_cprdpxx>();
int zs = 0;//参评人总人数
int ns=0;//男参评人数
try {
while(rs.next())
{
zc_cprdpxx zp=new zc_cprdpxx();
PersistenceManagerOfZcps pm=new PersistenceManagerOfZcps();
zp.setYear(rs.getString("year_mc")==null?"":rs.getString("year_mc").trim());
zp.setCpbh(rs.getString("cpbh")==null?"":rs.getString("cpbh").trim());
zp.setCpxm(rs.getString("cpxm")==null?"":rs.getString("cpxm").trim());
zp.setLxdh(rs.getString("lxdh")==null?"":rs.getString("lxdh").trim());
zp.setTy_num(rs.getString("ty_num")==null?"":rs.getString("ty_num").trim());
zp.setBty_num(rs.getString("bty_num")==null?"":rs.getString("bty_num").trim());
zp.setQq_num(rs.getString("qq_num")==null?"":rs.getString("qq_num").trim());
zp.setSftg(rs.getString("sftg")==null?"":rs.getString("sftg").trim());
zp.setLs(rs.getString("ls")==null?"":rs.getString("ls").trim());
zp.setZwm(rs.getString("zwm_mc")==null?"":rs.getString("zwm_mc").trim());//2013/7/21
zp.setZcbh(pm.getPureCode_zcm(rs.getString("zcbh")==null?"":rs.getString("zcbh").trim()));
zp.setCprzt(pm.getPureCode("code_zczt", rs.getString("zcbh").substring(1, 2)));
pm.close();
//zp.setNl(rs.getString("nl")==null?"":rs.getString("nl").trim());
cprdp_list.add(zp);
}
rs=pmoz.executeQuery(zsql);
while(rs.next())
{
zs=rs.getInt(1);
}
rs.close();
}catch (SQLException e) {
os.close();
// TODO Auto-generated catch block
this.cwts("导出失败，请稍后重试！", response);
e.printStackTrace();
}
finally
{
pmoz.close();//关闭数据连接
}
//hj="评委总人数为："+String.valueOf(zs)+" 性别 男："+String.valueOf(ns)+" 女："+String.valueOf(zs-ns);
wsheet.mergeCells(0, 1, 10, 1);//合并0到10单元格
//wsheet.addCell(new jxl.write.Label(0,1,hj ,cFormat));//合计列
// 设置固定的打印标题//2013/7/17
//// wsheet.getSettings().setPrintArea(0, 2, 0,7);
// SheetSettings setting = wsheet.getSettings();
// setting.setPrintTitlesRow(0, 3);
int i = 0;
int j=0;
//String[] colum={"年度","参评人编号","单位名称","参评人姓名","性别","申报职称级别","申报职称名称"};
//2013/7/17修改
String[] colum={"年度", "参评人编号","工作单位","参评人姓名", "申报职称","申报状态","轮数","同意数","不同意数","弃权数","是否通过"};
for (i = 0; i <11; i++) {
// 加入行字段名
wsheet.addCell(new jxl.write.Label(i, 2, colum[i], cFormat11));
}
for(i=3;i<cprdp_list.size()+3;i++)
{
wsheet.addCell(new jxl.write.Label(0,i, cprdp_list.get(i-3).getYear(), cFormat));
wsheet.addCell(new jxl.write.Label(1,i, cprdp_list.get(i-3).getCpbh(), cFormat));
wsheet.addCell(new jxl.write.Label(2,i, cprdp_list.get(i-3).getLxdh(), cFormat));
wsheet.addCell(new jxl.write.Label(3,i, cprdp_list.get(i-3).getCpxm(), cFormat));
wsheet.addCell(new jxl.write.Label(4,i, cprdp_list.get(i-3).getZwm(), cFormat));
wsheet.addCell(new jxl.write.Label(5,i, cprdp_list.get(i-3).getCprzt(), cFormat));
wsheet.addCell(new jxl.write.Label(6,i, cprdp_list.get(i-3).getLs(), cFormat));
wsheet.addCell(new jxl.write.Label(7,i, cprdp_list.get(i-3).getTy_num(), cFormat));
wsheet.addCell(new jxl.write.Label(8,i, cprdp_list.get(i-3).getBty_num(), cFormat));
wsheet.addCell(new jxl.write.Label(9,i, cprdp_list.get(i-3).getQq_num(), cFormat));
wsheet.addCell(new jxl.write.Label(10,i, cprdp_list.get(i-3).getSftg(), cFormat));
}
wsheet.mergeCells(0, i, 10, i);//合并0到10单元格
/**
* lrr 2014-05-24 增 BEGIN
* 功能描述：增加四行：1.监票人 2.评审委员会主任
*/
wsheet.addCell(new jxl.write.Label(0,i,"制表人："+oprator ,cFormat1));//合计列
i = i+1;
wsheet.mergeCells(0, i, 10, i+1);//合并两行并同时合并单元格
wsheet.addCell(new jxl.write.Label(0,i,"监票人： " ,cFormat1));//合计列
i = i+2;
wsheet.mergeCells(0, i, 10, i+1);//合并两行并同时合并单元格
wsheet.addCell(new jxl.write.Label(0,i,"评审委员会主任： " ,cFormat1));//合计列
/**
* lrr 2014-05-24 增 END
* 功能描述：增加两行：1.监票人 2.评审委员会主任
*/
wbook.write();
wbook.close();
} catch (WriteException e) {
// TODO Auto-generated catch block
e.printStackTrace();
//this.cwts("导出失败，请稍后重试！", response);
} catch (IOException e1) {
// TODO Auto-generated catch block
e1.printStackTrace();
//this.cwts("导出失败，请稍后重试！", response);
}finally{
try{
os.close();
} catch (IOException e1) {
// TODO Auto-generated catch block
e1.printStackTrace();
//this.cwts("导出失败，请稍后重试！", response);
}
}
}
相应的jxl.jar在附件中可下载。
WritableSheet.mergeCells(0, 0, 0, 1);//合并单元格，第一个参数：要合并的单元格最左上角的列号，第二个参数：要合并的单元格最左上角的行号，第三个参数：要合并的单元格最右角的列号，第四个参数：要合并的单元格最右下角的行号
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