报表打印

核心代码：

/* String 
filename="角色信息表.xls";
  String
realpath="d:\\"+filename;
  File f =new
File(realpath);
  if(f.exists());else
f.createNewFile();
 */ 
  
  response.setCharacterEncoding("application/vnd.ms-excel;charset=GBK");
 // response.setHeader("Content-Disposition",
"attachment;filename=角色表.xls");
  response.setHeader("Content-Disposition",
"attachment;filename=" 
    + new
String("角色信息.xls".getBytes(),"iso-8859-1"));

String sql="select * from role";
  Irole list=new
roledao();
  ArrayList<role>
show=list.lookall(sql);
  
  
  HSSFWorkbook
workbook=new HSSFWorkbook();
  HSSFSheet
sheet=workbook.createSheet("角色信息");
  
    
  HSSFRow
row=sheet.createRow(0);
  
  HSSFCell
cell=row.createCell(0);
  cell.setCellValue("角色id");
  HSSFCell
cell1=row.createCell(1);
  cell1.setCellValue("角色名");
  HSSFCell
cell2=row.createCell(2);
  cell2.setCellValue("角色状态");
  
  
  int
i=1;
  
  for(role
Role:show){
   
 HSSFRow
rowindex=sheet.createRow(i);
 HSSFCell
cella=rowindex.createCell(0);
 cella.setCellValue(Role.getRid());
 
 HSSFCell
cellb=rowindex.createCell(1);
 cellb.setCellValue(Role.getRname());
 
 HSSFCell
cellc=rowindex.createCell(2);
 cellc.setCellValue(Role.getRstate().trim().equals("Y")?"使用":"未使用");
 
  i++; 
   
  }
  
  //FileOutputStream
s=new
FileOutputStream(f);
  //workbook.write(s);
  //s.close();
  
 ServletOutputStream
out =response.getOutputStream();
 BufferedOutputStream o =new
BufferedOutputStream(out);
 workbook.write(o);
 o.close();

报表打印