csv 파일 다운로드

BufferedOutputStream bos = null;
	        OutputStream fos = null;
	        fos = response.getOutputStream();
	        bos = new BufferedOutputStream(fos);
	        //                 
	        response.setHeader("Content-disposition",
	                           "attachment;filename=" +
	                           URLEncoder.encode("    .csv", "utf-8"));
	        String headers = "  ,  ,  ,   ,    ,   ,    ,    ,  
";
	        bos.write(headers.getBytes("GBK"));
	        VoteDscs dsc = null;
	        String id,content,status,puber,pubTime,auditer,auditedTime,auditedRemark,source;
	       if(results!=null && results.size()>0){
	    	   SimpleDateFormat df = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
	    	   for(int i=0;i<results.size();i++){
	    		   dsc = results.get(i);
	    		   id=dsc.getRstId()+"";
	    		   content = dsc.getRstContent();
	    		   if(StringUtils.isEmpty(dsc.getIsAudited())){
	    			   status = "";
	    		   }else{
	    			   switch(Long.valueOf(dsc.getIsAudited()).intValue()){
		    			   case 0:
		    				   status = Constants.DISCUSS_CHECK_WAITING_CN;
		    				   break;
		    			   case 1:
		    				   status = Constants.DISCUSS_CHECK_SUCCESS_CN;
		    				   break;
	    				   default:
	    					   status="";
	    					   break;
		    		   }
	    		   }
	    		   puber = dsc.getPubPersonId()+"";
	    		   if(dsc.getPubTime()!=null){
	    			   pubTime = df.format(dsc.getPubTime());
	    		   }else{
	    			   pubTime = "";
	    		   }
	    		   auditer = dsc.getAuditor()+"";
	    		   if(dsc.getAuditDate()!=null){
	    			   auditedTime = df.format(dsc.getAuditDate());
	    		   }else{
	    			   auditedTime = "";
	    		   }
	    		   auditedRemark = dsc.getRemark();
	    		   if(dsc.getRstSource()==null){
	    			   source = "";
	    		   }else{
	    			   switch(Long.valueOf(dsc.getRstSource()).intValue()){
		    			   case 0:
		    				   source = Constants.SOURCE_MOBILE_CN;
		    				   break;
		    			   case 1:
		    				   source = Constants.SOURCE_TV_CN;
		    				   break;
		    			   case 2:
							   source= Constants.SOURCE_PC_CN;
							   break;
						   default:
							   source = "";
							   break;
		    		   }
	    		   }
	    		   bos.write((id+","+content+","+status+","+puber+","+pubTime+","+auditer+","+auditedTime+","+auditedRemark+","+source+"
").getBytes("GBK"));
	    	   }
	       }
	        bos.flush();
	        fos.close();
	        bos.close();
	        return null;