parameterdhtmlexportservlet.java

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package servlet;

import java.io.FileInputStream;
import java.io.IOException;
import java.io.PrintWriter;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import com.jatools.core.ZReportJob;
import com.jatools.core.ZReportServer;
public class ParameterDhtmlExportServlet extends HttpServlet {
  static final private String CONTENT_TYPE = "text/html; charset=GBK";
  //Initialize global variables
  public void init() throws ServletException {
  }
  //Process the HTTP Get request
  public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
    response.setContentType(CONTENT_TYPE);
    ZReportJob job = null;

         try {
             job = ZReportServer.createJob(new FileInputStream("templates/parameter.xml"));
         } catch (Exception ex) {
             throw new ServletException(ex);
         }


         //显示北美洲国家, 该报表中已经定义了一个参数,名为 $conti
         job.setParameter("$conti","北美洲");

         //显示南北美洲国家,
         //job.setParameter("$conti","南美洲");

        
         response.setContentType("text/html;charset=UTF-8");
         PrintWriter out = response.getWriter();
         try {
             job.printAsDHTML(new TempDirHelper(request),out);
         } catch (Exception ex) {
             throw new ServletException(ex);
         }
  }
  //Clean up resources
  public void destroy() {
  }
}