Posted on 2005-01-07 18:24
海天一鸥 阅读(465)
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报表专题
<%@ page contentType="text/html;charset=GBK" %>
<%@ page import="dori.jasper.engine.*" %>
<%@ page import="java.util.*" %>
<%@ page import="java.io.*" %>
<%@ page import="java.sql.*" %>
<%@ page import="com.zx.report.util.CarUse"%>
<%@ page import="dori.jasper.engine.data.*" %>
<%
Connection conn = null;
Statement st = null;
ResultSet rs = null;
byte[] bytes = null;
List carUseList=new ArrayList();
try
{
Class.forName("com.microsoft.jdbc.sqlserver.SQLServerDriver");
conn =DriverManager.getConnection("jdbc:microsoft:sqlserver://10.10.10.207:1433;DatabaseName=report;user=sa;password=111111");
//以输入流方式
InputStream reportFile = getClass().getClassLoader().getResourceAsStream("carUserBd.jasper");
//以reportFile方式
//File reportFile =new File(request.getRealPath("/report/carUserBd.jasper"));
Map parameters = new HashMap();
String sqlCarUser="SELECT car.carNo, dept.Name , people.peopleName,carUse.useDescription ," +
" carUse.beginTime , carUse.planEndTime , carUse.comment , carUse.driver," +
" carUse.peopleNumber ,OneWay= case carUse.isOneWay when 0 then '双程' else '单程' end, " +
"isFirst= case carUse.priority when 0 then '低' when 1 then '中' else '高' end, carUse.start , " +
"carUse.destination , people.peopleName as ratifier FROM DEPT_CARUSELOG carUse , DEPT_CARINFO car , " +
"ADMIN_ORGANIZATION dept , PUBLIC_PEOPLEINFO people WHERE carUse.id=290 and " +
"caruse.carId=car.carId and carUse.departId=dept.id and carUse.peopleId=people.peopleId";
st = conn.createStatement();
rs = st.executeQuery(sqlCarUser);
while(rs.next()){
CarUse carUse=new CarUse();
carUse.setCarNo(rs.getString(1));
carUse.setName(rs.getString(2));
carUse.setPeopleName(rs.getString(3));
carUse.setUseDescription(rs.getString(4));
carUse.setBeginTime(rs.getDate(5));
carUse.setPlanEndTime(rs.getDate(6));
carUse.setComment(rs.getString(7));
carUse.setDriver(rs.getString(8));
carUse.setPeopleNumber(rs.getString(9));
carUse.setOneWay(rs.getString(10));
carUse.setIsFirst(rs.getString(11));
carUse.setStart(rs.getString(12));
carUse.setDestination(rs.getString(13));
carUse.setRatifier(rs.getString(14));
carUseList.add(carUse);
}
JRBeanCollectionDataSource ds = new JRBeanCollectionDataSource(carUseList);
bytes =
JasperRunManager.runReportToPdf(
reportFile,
parameters,
ds);
String fileName = "test.pdf";
response.setContentType("application/pdf");
response.addHeader(
"Content-Disposition",
"attachment;filename=\"" + fileName);
response.setContentLength(bytes.length);
ServletOutputStream ouputStream = response.getOutputStream();
System.out.println("5");
ouputStream.write(bytes, 0, bytes.length);
ouputStream.flush();
ouputStream.close();
} catch (SQLException sqle) {
System.out.println("SQLException:" + sqle.getMessage());
} catch (JRException e) {
e.printStackTrace();
}catch(ClassNotFoundException cnfe){
}
%>
jasperreport可以用Collection做为数据源，这种方式比用Connection方式更为灵活方便
