JSP導出Excel文件的方法

2024-09-05 00:22:23

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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;

}

%>