本文实例讲述了JSP导出Excel文件的方法。分享给大家供大家参考,具体如下:
<%@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,交易时间,摘要,借方发生额,贷方发生额,对方账号,对方户名,单位卡号,主卡标识,用途,备注\";
IndexedCollection indexedCollection = (IndexedCollection)context.getDataElement(\"parentCardDetails\");
String[] sourceStrArray=flag.split(\",\");
List selValList = new ArrayList();
selValList.add(\"序号#\");
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(\'对不起!当前条件没有数据,不能导出!\');
//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);
//解决HTTPS不能下载的问题
response.setHeader(\"Cache-Control\",\"public\");
book = Workbook.createWorkbook(response.getOutputStream());
//表头字体
WritableCellFormat writableCellFormat = new WritableCellFormat();
writableCellFormat.setAlignment(Alignment.CENTRE);
writableCellFormat.setVerticalAlignment(VerticalAlignment.CENTRE);
writableCellFormat.setWrap(true);
WritableFont cellFont = new WritableFont(WritableFont.createFont(\"宋体\"), 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);
//标题字体(左对齐)
WritableCellFormat writableCellFormat1 = new WritableCellFormat();
writableCellFormat1.setAlignment(Alignment.CENTRE);
writableCellFormat1.setVerticalAlignment(VerticalAlignment.CENTRE);
writableCellFormat1.setWrap(false);
WritableFont cellFont1 = new WritableFont(WritableFont.createFont(\"宋体\"), 14, WritableFont.NO_BOLD, false,
UnderlineStyle.NO_UNDERLINE, Colour.BLACK);
writableCellFormat1.setFont(cellFont1);
//数据字体(居中)
WritableCellFormat writableCellFormat2 = new WritableCellFormat();
writableCellFormat2.setAlignment(Alignment.CENTRE);
writableCellFormat2.setVerticalAlignment(VerticalAlignment.CENTRE);
writableCellFormat2.setWrap(true);
WritableFont cellFont2 = new WritableFont(WritableFont.createFont(\"宋体\"), 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);//交易时间
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\");//借方发生额
String entrAmt2=utb.formatMoney(\"DEBIT\".equals((String)(keyedCollection.getDataValue(\"DCFlag\")))?\"0.00\":((String)keyedCollection.getDataValue(\"entrAmt\")));//贷方发生额
String OppAc=utb.nvl(keyedCollection.getDataValue(\"OppAc\"), \"--\");//对方账号
String OppacName=utb.nvl(keyedCollection.getDataValue(\"OppacName\"), \"--\");//对方户名
String TransCardNo=utb.nvl(keyedCollection.getDataValue(\"TransCardNo\"), \"--\");//单位卡号
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\";}//主卡标识
String Usage=utb.nvl(keyedCollection.getDataValue(\"Usage\"), \"--\");//用途
String ReMark=utb.nvl(keyedCollection.getDataValue(\"ReMark\"), \"--\");//备注
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, \"序号\", writableCellFormat);
sheet.addCell(label);
sheet.setColumnView(i, \"序号\".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;
}
%>
希望本文所述对大家JSP程序设计有所帮助。
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