示例 2 - 使用子报表设置数据库登录

下例是一个 JSP 页面,它演示了如何为使用子报表的报表设置数据库登录信息。设置了登录信息后,即会显示报表。

注意:    对于与本教程示例一起使用的任何报表,您必须配置了适当的 JDBC 数据源,以便应用程序服务器能访问它。 本例中使用的报表和数据库未随附于教程中。

SetDatabaseLogonWithSubreport.jsp

<%@page contentType="text/html"%>

<%@page pageEncoding="UTF-8"%>

<%@page import="com.crystaldecisions.reports.sdk.*" %>

<%@page import="com.crystaldecisions.sdk.occa.report.reportsource.*" %>

<%@page import="com.crystaldecisions.sdk.occa.report.lib.*" %>

<%@page import="com.crystaldecisions.sdk.occa.report.data.*" %>

<%

String reportName = "/CRXI_JRC_DatabaseLogonWithSubreport.rpt";

String userName = "devtech";

String password = "devtech";

ReportClientDocument oReportClientDocument = new ReportClientDocument();

try

{

    oReportClientDocument.open(reportName , 0);

    IReportSource oReportSource = (IReportSource)oReportClientDocument.getReportSource();

    

    ConnectionInfos oConnectionInfos = new ConnectionInfos();

    ConnectionInfo oConnectionInfo = new ConnectionInfo();

    

    oConnectionInfo.setUserName(userName);

    oConnectionInfo.setPassword(password);

    

    oConnectionInfos.add(oConnectionInfo);

    session.setAttribute("connectionInfos", oConnectionInfos);

    session.setAttribute("reportSource", oReportSource);

    response.sendRedirect("CrystalReportViewer.jsp");

}

catch(ReportSDKException e)

{

    out.print(e);

}    

%>

CrystalReportViewer.jsp

<%@page contentType="text/html"%>

<%@page pageEncoding="UTF-8"%>

<%@page import="com.crystaldecisions.report.web.viewer.*"%>

<%@page import="com.crystaldecisions.reports.sdk.*" %>

<%@page import="com.crystaldecisions.sdk.occa.report.reportsource.*" %>

<%

IReportSource reportSource = (IReportSource)session.getAttribute("reportSource");

CrystalReportViewer oCrystalReportViewer = new CrystalReportViewer();

oCrystalReportViewer.setReportSource(reportSource);

oCrystalReportViewer.processHttpRequest(request, response, getServletConfig().getServletContext(), null);

%>



Business Objects
http://www.china.businessobjects.com/

支持服务
http://www.china.businessobjects.com/services/services.htm