JSONObject jsonObject = JSONObject.fromObject(valueObject); 

                    fileBytes = serviceUtil.exportData2File(jsonObject.getJSONArray("datalist"), jsonObject.getInt("size")); 

                     System.out.println("===============导出业务数据完成============"); 

                } 

                 

                 

                /********************************处置文件完毕********************************/ 

                if(fileBytes==null){ 

                    dos.writeUTF("error"); 

                    dos.flush(); 

                    dos.writeUTF("处置文件进程中错误"); 

                    dos.flush(); 

                    process=false; 

                } 

 

 

                /********************************前往处置过的文件********************************/ 

                if(process){ 

                    dos.writeUTF("info");//文件处置完成，将信息前往到客户端 

                    dos.flush(); 

                    int fileBytelength = fileBytes.length;//转换后的文件长度 

                    System.out.println(format.format(new Date())+"：======== 效劳端末尾发送文件流,文件大小（"+getFormatFileSize(fileBytelength)+"） ========"); 

                    dos.writeLong(fileBytelength); 

                    dos.flush(); 

                    dos.write(fileBytes, 0, fileBytelength);//将文件一同写入到输入流发送 

                    dos.flush(); 

                    System.out.println(format.format(new Date())+"：======== 发送文件流成功 ========"); 

                } 

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