這篇文章主要介紹了JSP導出Excel文件的方法,涉及JSP表格操作及excel文件的生成技巧,具有一定參考借鑒價值,需要的朋友可以參考下
本文實例講述了JSP導出Excel文件的方法。分享給大家供大家參考,具體如下:
- <%@page import="jxl.Workbook,com.ecc.emp.core.*,com.ecc.emp.data.*,com.ecc.emp.jdbc.ConnectionManager,jxl.format.VerticalAlignment,java.sql.*,jxl.write.*,jxl.format.UnderlineStyle,javax.sql.DataSource"%>
- <%@page language="java" contentType="text/html; charset=UTF-8"%>
- <%@taglib uri="/WEB-INF/CTP.tld" prefix="ctp"%>
- <jsp:directive.page import="java.util.List"/>
- <jsp:directive.page import="java.util.ArrayList"/>
- <%@ include file="http://www.xxxx.com/head.jsp" %>
- <%
- Context context = (Context)request.getAttribute("context");String flag ="交易日期,交易時間,摘要,借方發生額,貸方發生額,對方賬號,對方戶名,單位卡號,主卡標識,用途,備注";
- IndexedCollection indexedCollection = (IndexedCollection)context.getDataElement("parentCardDetails");
- String[] sourceStrArray=flag.split(",");
- List selValList = new ArrayList();
- selValList.add("序號#");
- for(int i=0;i<sourceStrArray.length;i++){
- selValList.add(sourceStrArray[i]+"#");
- }
- WritableWorkbook book = null;
- if (indexedCollection == null || indexedCollection.size()<0)
- {%>
- <script language="javascript">
- alert('對不起!當前條件沒有數據,不能導出!');
- //history.go(-1);
- </script>
- <%
- }
- else
- {
- response.reset();
- response.setContentType("charset=UTF-8");
- response.setContentType("application/vnd.ms-excel");
- String filename = "regularInform.xls";
- response.setHeader("Content-Disposition","attachment; filename=" + filename);
- //解決HTTPS不能下載的問題
- response.setHeader("Cache-Control","public");
- book = Workbook.createWorkbook(response.getOutputStream());
- //表頭字體
- WritableCellFormat writableCellFormat = new WritableCellFormat();
- writableCellFormat.setAlignment(Alignment.CENTRE);
- writableCellFormat.setVerticalAlignment(VerticalAlignment.CENTRE);
- writableCellFormat.setWrap(true);
- WritableFont cellFont = new WritableFont(WritableFont.createFont("宋體"), 14, WritableFont.BOLD, false,
- UnderlineStyle.NO_UNDERLINE, Colour.BLACK);
- writableCellFormat.setFont(cellFont);
- writableCellFormat.setBorder(Border.ALL,
- BorderLineStyle.THIN);
- writableCellFormat.setBackground(Colour.SKY_BLUE,
- Pattern.SOLID);
- //標題字體(左對齊)
- WritableCellFormat writableCellFormat1 = new WritableCellFormat();
- writableCellFormat1.setAlignment(Alignment.CENTRE);
- writableCellFormat1.setVerticalAlignment(VerticalAlignment.CENTRE);
- writableCellFormat1.setWrap(false);
- WritableFont cellFont1 = new WritableFont(WritableFont.createFont("宋體"), 14, WritableFont.NO_BOLD, false,
- UnderlineStyle.NO_UNDERLINE, Colour.BLACK);
- writableCellFormat1.setFont(cellFont1);
- //數據字體(居中)
- WritableCellFormat writableCellFormat2 = new WritableCellFormat();
- writableCellFormat2.setAlignment(Alignment.CENTRE);
- writableCellFormat2.setVerticalAlignment(VerticalAlignment.CENTRE);
- writableCellFormat2.setWrap(true);
- WritableFont cellFont2 = new WritableFont(WritableFont.createFont("宋體"), 10, WritableFont.NO_BOLD, false,
- UnderlineStyle.NO_UNDERLINE, Colour.BLACK);
- writableCellFormat2.setFont(cellFont2);
- writableCellFormat2.setBorder(Border.ALL,BorderLineStyle.THIN);
- WritableSheet sheet = book.createSheet("Sheet1", 0);
- sheet = setSheetHeader(sheet, writableCellFormat, selValList);
- int startRow = 2;
- Label label1 = null;
- int m = 0;
- sheet.mergeCells(0, 0, selValList.size()-1, 0);
- if(indexedCollection!=null && indexedCollection.size()>0)
- {
- for (int i = 0; i < indexedCollection.size(); i++){
- KeyedCollection keyedCollection = (KeyedCollection) indexedCollection.get(i);
- String TranDate=(String)keyedCollection.getDataValue("TranDate");//交易日期
- String tt = (String)keyedCollection.getDataValue("TranTime");
- tt = tt.substring(0,2)+":"+tt.substring(2,4);//交易時間
- String narr=utb.nvl(keyedCollection.getDataValue("narr"), "--");//摘要
- String entrAmt1=utb.formatMoney("DEBIT".equals((String)(keyedCollection.getDataValue("DCFlag")))?((String)keyedCollection.getDataValue("entrAmt")):"0.00");//借方發生額
- String entrAmt2=utb.formatMoney("DEBIT".equals((String)(keyedCollection.getDataValue("DCFlag")))?"0.00":((String)keyedCollection.getDataValue("entrAmt")));//貸方發生額
- String OppAc=utb.nvl(keyedCollection.getDataValue("OppAc"), "--");//對方賬號
- String OppacName=utb.nvl(keyedCollection.getDataValue("OppacName"), "--");//對方戶名
- String TransCardNo=utb.nvl(keyedCollection.getDataValue("TransCardNo"), "--");//單位卡號
- String stdflag=(String)context.getDataValue("stdflag");
- String cardNo=(String)context.getDataValue("parentCardNo");
- String mainflag = "附";if(!"parent".equals(stdflag)){}else{mainflag = cardNo.equals((String)(keyedCollection.getDataValue("TransCardNo")))?"主":"附";}//主卡標識
- String Usage=utb.nvl(keyedCollection.getDataValue("Usage"), "--");//用途
- String ReMark=utb.nvl(keyedCollection.getDataValue("ReMark"), "--");//備注
- int k = 0;
- sheet.setRowView(startRow, 450);
- label1 = new Label(k, startRow, (startRow-1)+"", writableCellFormat2);
- sheet.addCell(label1);
- k++;
- //(列,行,值,格式)
- label1 = new Label(k, startRow,TranDate, writableCellFormat2);
- sheet.addCell(label1);
- k++;
- label1 = new Label(k, startRow,tt, writableCellFormat2);
- sheet.addCell(label1);
- k++;
- label1 = new Label(k, startRow,narr, writableCellFormat2);
- sheet.addCell(label1);
- k++;
- label1 = new Label(k, startRow,entrAmt1, writableCellFormat2);
- sheet.addCell(label1);
- k++;
- label1 = new Label(k, startRow,entrAmt2, writableCellFormat2);
- sheet.addCell(label1);
- k++;
- label1 = new Label(k, startRow,OppAc, writableCellFormat2);
- sheet.addCell(label1);
- k++;
- label1 = new Label(k, startRow,OppacName, writableCellFormat2);
- sheet.addCell(label1);
- k++;
- label1 = new Label(k, startRow,TransCardNo, writableCellFormat2);
- sheet.addCell(label1);
- k++;
- label1 = new Label(k, startRow,mainflag, writableCellFormat2);
- sheet.addCell(label1);
- k++;
- label1 = new Label(k, startRow,Usage, writableCellFormat2);
- sheet.addCell(label1);
- k++;
- label1 = new Label(k, startRow,ReMark, writableCellFormat2);
- sheet.addCell(label1);
- k++;
- startRow = startRow+1;
- }
- }
- book.write();
- try {
- book.close();
- response.flushBuffer();
- } catch (Exception e) {
- System.out.println("Excel is not exist!");
- }
- out = pageContext.pushBody();
- }
- %><%!private static WritableSheet setSheetHeader(WritableSheet sheet,WritableCellFormat writableCellFormat, List selValList) throws Exception
- {
- int i = 0;
- int j = 1;
- Label label = new Label(i, j, "序號", writableCellFormat);
- sheet.addCell(label);
- sheet.setColumnView(i, "序號".length() * 4);
- for(int w =1; w < selValList.size(); w++)
- {
- label = new Label(w, j, ((String)selValList.get(w)).split("#")[0], writableCellFormat);
- sheet.addCell(label);
- sheet.setColumnView(w, ((String)selValList.get(w)).split("#")[0].length() * 5);
- }
- return sheet;
- }
- %>
希望本文所述對大家JSP程序設計有所幫助。
新聞熱點
疑難解答