Java excel for paging data export

Java excel for paging data export

/*** Export an order (used for profit statistics) * @ return */public String orderExport () throws IOException {if (queryOrderList_currentPage = null | queryOrderList_currentPage <= 0) {queryOrderList_currentPage = 1;} OrderInfo order = new OrderInfo (); if (! StringUtil. isNull (queryOrderList_orderStatus) {order. setOrderStatus (queryOrderList_orderStatus);} if (! StringUtil. isNull (queryOrderList_orderCard) {order. setOrderCard (queryOrderList_orderCard);} if (! StringUtil. isNull (queryOrderList_memberPhone) {order. setMemberPhone (queryOrderList_memberPhone);} if (! StringUtil. isNull (queryOrderList_memberContactsPhone) {order. setMemberContactsPhone (queryOrderList_memberContactsPhone);} if (queryOrderList_businessId! = Null & queryOrderList_businessId> 0) {order. setBusinessId (queryOrderList_businessId);} if (! StringUtil. isNull (queryOrderList_addressDesc) {order. setAddressDesc (queryOrderList_addressDesc);} if (! StringUtil. isNull (queryOrderList_beginTime )&&! StringUtil. isNull (queryOrderList_endTime) {order. setBeginTime (queryOrderList_beginTime); order. setEndTime (queryOrderList_endTime);} try {HttpServletResponse response = ServletActionContext. getResponse (); queryOrderList_pageBean = statisticsService. queryOrderListByCompanyConditions (order, queryOrderList_currentPage, queryOrderList_pageSize); int totalPage = queryOrderList_pageBean.getTotalPage (); response. reset (); SimpleDateFormat sdFormat = new SimpleDateFormat ("yyyy-MM-dd"); String fname = "order export" + sdFormat. format (new Date (); fname = new String (fname. getBytes ("GBK"), "ISO_8859_1"); // file name {avoid garbled characters} response. setHeader ("Content-disposition", "attachment; filename =" + fname + ". csv "); // set the output file header response. setContentType ("text/csv"); response. setCharacterEncoding ("UTF-8"); OutputStream out = response. getOutputStream (); String sep = ","; // column name for (int column = 0; column
 
  
0) {for (int I = 0; I <queryOrderList_pageBean.getList (). size (); I ++) {newOrderInfo = (OrderInfo) queryOrderList_pageBean.getList (). get (I); getOut (out, newOrderInfo, sep) ;}} if (totalPage> 1) {for (int m = 2; m <= totalPage; m ++) {queryOrderList_pageBean = statisticsService. queryOrderListByCompanyConditions (order, queryOrderList_currentPage, queryOrderList_pageSize); List list = queryOrderList_pageBean.getList (); If (list! = Null & list. size ()> 0) {for (int j = 0; j <list. size (); j ++) {OrderInfo nOrderInfo = (OrderInfo) list. get (j); getOut (out, nOrderInfo, sep) ;}}} out. flush (); out. close ();} catch (Exception e) {e. printStackTrace ();} return null;} public void getOut (OutputStream out, OrderInfo newOrderInfo, String sep) throws IOException {if (! StringUtil. isNull (newOrderInfo. getOrderCard () {out. write (String. valueOf (newOrderInfo. getOrderCard ()). getBytes ();} else {out. write (String. valueOf ("the order number is blank "). getBytes ();} out. write (sep ). getBytes (); if (! StringUtil. isNull (newOrderInfo. getMemberContactsPhone () {out. write (newOrderInfo. getMemberContactsPhone (). getBytes ();} else {out. write (String. valueOf ("the user's contact number is blank "). getBytes ();} out. write (sep ). getBytes (); if (newOrderInfo. getAddressDesc ()! = Null) {out. write (newOrderInfo. getAddressDesc (). getBytes ();} else {out. write (String. valueOf ("the contact address is blank "). getBytes ();} out. write (sep ). getBytes (); if (newOrderInfo. getGenerateTime ()! = Null) {out. write (new SimpleDateFormat ("yyyy-MM-dd HH: mm: ss "). format (newOrderInfo. getGenerateTime ()). getBytes ();} else {out. write (String. valueOf ("the order time is blank "). getBytes ();} out. write (System. getProperty ("line. separator "). getBytes ());}