HSSFWorkbook + form + HttpServletResponse 实现excel的下载

 1 //导出excel
 2     @RequestMapping(value="/outPutExcel",method=RequestMethod.POST)
 3     public @ResponseBody void outPutExcel(HSSFWorkbook workbook,HttpServletRequest request,HttpServletResponse response) throws IOException{
 4         //获取参数
 5         String nd=request.getParameter("nd");
 6         String co_code=request.getParameter("co_code");
 7         //excel下载设置
 8         OutputStream out=response.getOutputStream();
 9         response.setHeader("Content-Type","application/vnd.ms-excel");
10         response.addHeader("Content-Disposition","attachment;filename=mydata.xls");
11         response.setContentType("application/octet-stream");
12         response.setCharacterEncoding("UTF-8");
13         workbook=outPutExcelService.outPutExcel(nd, co_code);
14         try{
15             //返回数据流
16             workbook.write(out);
17             out.flush();
18             out.close();
19         }finally{
20             out.flush();
21             out.close();
22         }
23     }

 1 //获取选择路径，并导出excel
 2         viewModel.saveExcel=function(){
 3             var co_code="";            
 4             var nd=$("#select_nd_info").val();  //选择年度    
 5             var dw_value = $("#select_dw_info").val();
 6             var info=viewModel.ipCompDataTable.getSimpleData();
 7             for(var i=0;i<info.length;i++){
 8                 if(dw_value===info[i].co_name){
 9                     co_code=info[i].co_code;                    
10                     break;
11                 }
12             }            
13             //定义form,因为ajax不能接受 流类型数据
14             var form = $("<form>");
15             form.attr(‘style‘,‘display:none‘);
16             form.attr(‘target‘,‘‘);
17             form.attr(‘method‘, ‘post‘);            
18             form.attr(‘action‘, ‘./data_status/outPutExcel‘);
19             
20             var input1 = $(‘<input>‘);
21             input1.attr(‘trpe‘,‘hidden‘);
22             input1.attr(‘name‘, ‘nd‘);
23             input1.attr(‘value‘, nd);
24             
25             var input2 = $(‘<input>‘);
26             input2.attr(‘trpe‘,‘hidden‘);
27             input2.attr(‘name‘, ‘co_code‘);
28             input2.attr(‘value‘, co_code);
29             //将表单放到body中
30             $(‘body‘).append(form);
31             form.append(input1);
32             form.append(input2);            
33             form.submit();
34             form.remove();
35         }