S2SH 导出excel

首先需要导入 jxl.jar

jsp页面代码：

导出到Excel

就为了跳转到action。

action代码：

这里我有一个用户实体集合userList 

public String downToExcel() throws Exception {
    	
    	HttpServletResponse response = ServletActionContext.getResponse();
        response.reset();
        response.setCharacterEncoding("UTF-8");
        response.setContentType("application/vnd.ms-excel");
        response.setHeader("Content-Disposition","attachment;filename=user.xls"); filename 为导出的excel的名称
        OutputStream out = response.getOutputStream();
        //从数据库读取数据
        userList = new ArrayList();
        userList = userService.getAllUser();
        
        try{
            WritableWorkbook workbook = Workbook.createWorkbook(out);//构建工作薄对象
            WritableSheet ws = workbook.createSheet("SheetName",0);//构建工作表
            WritableFont wf = new WritableFont(WritableFont.TIMES,10,WritableFont.NO_BOLD, false, UnderlineStyle.NO_UNDERLINE,
            jxl.format.Colour.BLACK);//设置字体格式           
            WritableCellFormat wcf = new WritableCellFormat(wf);//创建格式化对象实例
            wcf.setVerticalAlignment(jxl.format.VerticalAlignment.CENTRE);//垂直居中
            wcf.setAlignment(Alignment.CENTRE);//水平居中
            //工作表标题行(new Label(列,行,内容,格式))
            ws.addCell(new Label(0,0,"userId",wcf));
            ws.addCell(new Label(1,0,"userAccount",wcf));
            ws.addCell(new Label(2,0,"password",wcf));
            ws.addCell(new Label(3,0,"userName",wcf));
            ws.addCell(new Label(4,0,"telephone",wcf));
            ws.addCell(new Label(5,0,"email",wcf));
            ws.addCell(new Label(6,0,"photoUrl",wcf));
            //设置单元格宽度
              ws.setColumnView(0,20);
              ws.setColumnView(1,40);
              ws.setColumnView(2,40);
              ws.setColumnView(3,40);
              ws.setColumnView(4,40);
              ws.setColumnView(5,40);
              ws.setColumnView(6,60);
   
            List dataList = new ArrayList();
            //List userList = userDAO.findAll();
            for(User temp:userList){
                Object[] user = {temp.getUserId(),temp.getUserAccount(),temp.getPassword(),temp.getUserName(),temp.getTelephone(),temp.getEmail(),temp.getPhotoUrl()};
                dataList.add(user);
            } 
            //向工作表添加数据
            for(int i=0;i

struts.xml代码：