?? pdfservlet.java
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/*
* Created on 2004-12-20
*
* TODO To change the template for this generated file go to
* Window - Preferences - Java - Code Style - Code Templates
*/
package com.hhkj.jasper;
/**
* @author wzj
*
* TODO To change the template for this generated type comment go to Window -
* Preferences - Java - Code Style - Code Templates
*/
import java.io.File;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.HashMap;
import java.util.Map;
import javax.servlet.ServletContext;
import javax.servlet.ServletException;
import javax.servlet.ServletOutputStream;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import net.sf.jasperreports.engine.JRException;
import net.sf.jasperreports.engine.JasperReport;
import net.sf.jasperreports.engine.JasperRunManager;
import net.sf.jasperreports.engine.util.JRLoader;
import com.hhkj.basecommon.BaseBean;
/**
*
*/
public class PdfServlet extends HttpServlet {
/**
*
*/
public void service(HttpServletRequest request, HttpServletResponse response)
throws IOException, ServletException {
ServletContext context = this.getServletConfig().getServletContext();
BaseBean baseBean = new BaseBean();
String Title = request.getParameter("Title");
String BEGINDATE = request.getParameter("BEGINDATE");
String ENDDATE = request.getParameter("ENDDATE");
String SubFileReport = request.getParameter("SubFileReport");
String subPath = "/jasper/reports/" + SubFileReport + ".jasper";
File subReportFile = new File(context.getRealPath(subPath));
JasperReport subreport = null;
try {
subreport = (JasperReport) JRLoader.loadObject(subReportFile
.getPath());
} catch (JRException e1) {
// TODO Auto-generated catch block
e1.printStackTrace();
}
String jasperFile = request.getParameter("jasperFile");
String path = "/jasper/reports/" + jasperFile + ".jasper";
File reportFile = new File(context.getRealPath(path));
Map parameters = new HashMap();
parameters.put("SubFileReport", subreport);
if (!Title.equals("")) {
// 漢字轉碼
String title1 = new String(Title.getBytes("ISO8859-1"), "GBK");
parameters.put("Title", title1.toUpperCase());
}
if (!BEGINDATE.equals("")) {
parameters.put("BEGINDATE", BEGINDATE.toUpperCase());
}
if (!ENDDATE.equals("ENDDATE")) {
parameters.put("ENDDATE", ENDDATE.toUpperCase());
}
byte[] bytes = null;
try {
bytes = JasperRunManager.runReportToPdf(reportFile.getPath(),
parameters, baseBean.getConnection());
} catch (Exception e) {
response.setContentType("text/html");
PrintWriter out = response.getWriter();
out.println("<html>");
out.println("<head>");
out
.println("<title>JasperReports - Web Application Sample</title>");
out
.println("<link rel=\"stylesheet\" type=\"text/css\" href=\"../stylesheet.css\" title=\"Style\">");
out.println("</head>");
out.println("<body bgcolor=\"white\">");
out
.println("<span class=\"bnew\">JasperReports encountered this error :</span>");
out.println("<pre>");
e.printStackTrace(out);
out.println("</pre>");
out.println("</body>");
out.println("</html>");
return;
} finally {
baseBean.cleanCon();
}
if (bytes != null && bytes.length > 0) {
response.setContentType("application/pdf");
response.setContentLength(bytes.length);
ServletOutputStream ouputStream = response.getOutputStream();
ouputStream.write(bytes, 0, bytes.length);
ouputStream.flush();
ouputStream.close();
} else {
response.setContentType("text/html");
PrintWriter out = response.getWriter();
out.println("<html>");
out.println("<head>");
out
.println("<title>JasperReports - Web Application Sample</title>");
out
.println("<link rel=\"stylesheet\" type=\"text/css\" href=\"../stylesheet.css\" title=\"Style\">");
out.println("</head>");
out.println("<body bgcolor=\"white\">");
out.println("<span class=\"bold\">Empty response.</span>");
out.println("</body>");
out.println("</html>");
}
}
}
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