以下範例是一個 JSP 頁面,示範如何為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不包含在教學課程中。
<%@ 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);
%>
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