下例是一个 JSP 页面,它演示了如何为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。本例中使用的报表未随附于教程中。
<%@ page import="com.crystaldecisions.report.web.viewer.*" %>
<%@ page import="com.crystaldecisions.sdk.occa.report.data.*" %>
<%@ page import="com.crystaldecisions.reports.sdk.ReportClientDocument" %>
<%
Object reportSource = session.getAttribute("reportSource");
if (reportSource == null)
{
String report = "/reports/sample.rpt";
ReportClientDocument reportClientDoc = new ReportClientDocument();
reportClientDoc.open(report, 0);
reportSource = reportClientDoc.getReportSource();
session.setAttribute("reportSource", reportSource);
}
ConnectionInfos connInfos = new ConnectionInfos();
IConnectionInfo connInfo1 = new ConnectionInfo();
connInfo1.setUserName("guest");
connInfo1.setPassword("password");
connInfos.add(connInfo1);
CrystalReportViewer viewer = new CrystalReportViewer();
viewer.setReportSource(reportSource);
viewer.setEnableLogonPrompt(false);
viewer.setDatabaseLogonInfos(connInfos);
if (session.getAttribute("refreshed") == null)
{
viewer.refresh();
session.setAttribute("refreshed", "true");
}
viewer.setOwnPage(true);
viewer.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 |