範例二:設定子報表的資料庫登入

以下範例是一個 JSP 頁面,示範如何為使用子報表的報表設定資料庫登入資訊。在登入資訊設定後,便會顯示報表。

注意:    您必須為本教學課程範例中使用的所有報表設定適當的 JDBC 資料來源,這樣應用程式伺服器才能存取這些報表。本範例所使用的報表和資料庫不包含在教學課程中。

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);

%>



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