顺序错误,你根据括号的顺序排列标签.
<web-app>
<context-param>
<param-name>crystal_image_uri</param-name>
<param-value>crystalreportviewers10</param-value>
</context-param>
<env-entry>
<env-entry-name>
jdbc/Xtreme Sample Database 10
</env-entry-name>
<env-entry-value>
!sun.jdbc.odbc.JdbcOdbcDriver!jdbc:odbc:Xtreme Sample Database 10
</env-entry-value>
<env-entry-type>
java.lang.String
</env-entry-type>
</env-entry>
<!--
<display-name>Welcome to Tomcat</display-name>
<description>
Welcome to Tomcat
</description>
-->
</web-app>
<web-app>
<context-param>
<param-name>crystal_image_uri</param-name>
<param-value>crystalreportviewers10</param-value>
</context-param>
<env-entry>
<env-entry-name>
jdbc/Xtreme Sample Database 10
</env-entry-name>
<env-entry-value>
!sun.jdbc.odbc.JdbcOdbcDriver!jdbc:odbc:Xtreme Sample Database 10
</env-entry-value>
<env-entry-type>
java.lang.String
</env-entry-type>
</env-entry>
<!--
<display-name>Welcome to Tomcat</display-name>
<description>
Welcome to Tomcat
</description>
-->
</web-app>
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帮忙阿我参照下面的例子 写了个jsp 怎么不行啊
报错啊:description The server encountered an internal error () that prevented it from fulfilling this request.exception javax.servlet.ServletException: Implementing class
at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:195)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:809)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:200)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:146)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:209)
at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:596)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:433)
代码如下
<%@ page import="java.awt.Color" %>
<%@ page import="java.awt.Font" %>
<%@ page import="java.sql.Connection" %>
<%@ page import="java.sql.DriverManager" %>
<%@ page import="java.sql.ResultSet" %>
<%@ page import="java.sql.Statement" %>
<%@ page import="java.util.Locale" %><%@ page import="com.crystaldecisions.report.web.viewer.CrystalReportInteractiveViewer" %>
<%@ page import="com.crystaldecisions.sdk.occa.report.application.ReportClientDocument" %>
<%@ page import="com.crystaldecisions.sdk.occa.report.application.ResultFieldController" %>
<%@ page import="com.crystaldecisions.sdk.occa.report.data.FieldDisplayNameType" %>
<%@ page import="com.crystaldecisions.sdk.occa.report.data.Fields" %>
<%@ page import="com.crystaldecisions.sdk.occa.report.data.Filter" %>
<%@ page import="com.crystaldecisions.sdk.occa.report.data.Group" %>
<%@ page import="com.crystaldecisions.sdk.occa.report.data.IField" %>
<%@ page import="com.crystaldecisions.sdk.occa.report.data.SummaryField" %>
<%@ page import="com.crystaldecisions.sdk.occa.report.data.SummaryOperation" %>
<%@ page import="com.crystaldecisions.sdk.occa.report.definition.AreaSectionKind" %>
<%@ page import="com.crystaldecisions.sdk.occa.report.definition.ChartDefinition" %>
<%@ page import="com.crystaldecisions.sdk.occa.report.definition.ChartObject" %>
<%@ page import="com.crystaldecisions.sdk.occa.report.definition.ChartStyle" %>
<%@ page import="com.crystaldecisions.sdk.occa.report.definition.ChartStyleType" %>
<%@ page import="com.crystaldecisions.sdk.occa.report.definition.ChartTextOptions" %>
<%@ page import="com.crystaldecisions.sdk.occa.report.definition.FontColor" %>
<%@ page import="com.crystaldecisions.sdk.occa.report.reportsource.IReportSource" %><%
try{
ReportClientDocument rptDoc = null;
rptDoc = new ReportClientDocument();
//rptDoc.newDocument();
Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
Connection con = DriverManager.getConnection("jdbc:odbc:Xtreme Sample Database 10", "Admin", "");
Statement stmt = con.createStatement();
ResultSet rs = stmt.executeQuery("SELECT * FROM CUSTOMER");
//Add the resultSet as a new table to the report
rptDoc.getDatabaseController().addDataSource(rs);
ResultFieldController resFldController =
rptDoc.getDataDefController().getResultFieldController();
Fields custFields = rptDoc.getDatabase().getTables().getTable(0).getDataFields();
IField custName = custFields.getField(2);
int iLYSalesIdx = custFields.find("Last Year's Sales",
FieldDisplayNameType.fieldName,Locale.CANADA);
IField custLYSales =
rptDoc.getDatabase().getTables().getTable(0).getDataFields().getField(iLYSalesIdx);
//Add [Customer Name] and [Last Year's Sales] to the report
resFldController.add(-1, custName);
resFldController.add(-1, custLYSales);
//Add a group, on [Country] to the report
Group grp = new Group();
IField countryFld = custFields.getField(12);
grp.setConditionField(countryFld);
rptDoc.getDataDefController().getGroupController().add(0, grp);
//Add a group level summary field of [Last Year's Sales], summarized per country
SummaryField summFld = new SummaryField();
summFld.setSummarizedField(custLYSales);
summFld.setOperation(SummaryOperation.sum);
summFld.setGroup(rptDoc.getDataDefinition().getGroups().getGroup(0));
rptDoc.getDataDefController().getSummaryFieldController().add(0, summFld);
//Add a chart showing the sum of last year's sales vs country
ChartObject chart = new ChartObject();
ChartStyle m_chartStyle = new ChartStyle();
ChartTextOptions m_textOpts = new ChartTextOptions();
Font m_Font = new Font("Times New Roman", Font.PLAIN, 14);
FontColor m_chartFont = new FontColor();
ChartDefinition chartDef = new ChartDefinition();
Fields chartCondFlds = new Fields();
Fields chartDataFlds = new Fields(); //set the chart's fonts, section, style and titles
m_chartFont.setFont(m_Font);
m_chartFont.setColor(Color.blue); chart.setChartReportArea(AreaSectionKind.reportHeader);
m_chartStyle.setType(ChartStyleType.bar);
m_textOpts.setTitle("Chart Title String");
m_textOpts.setTitleFont(m_chartFont);
m_textOpts.setSubtitle("Chart Subtitle String");
m_textOpts.setFootnote("Chart Footnote String");
m_chartStyle.setTextOptions(m_textOpts);
chart.setChartStyle(m_chartStyle);
//add the "On change of" and "show" fields
chartCondFlds.add(countryFld); // On change of
chartDataFlds.add(summFld); // Show
chartDef.setConditionFields(chartCondFlds);
chartDef.setDataFields(chartDataFlds);
chart.setChartDefinition(chartDef); rptDoc.getReportDefController().addChartObject(chart);
//Set the record selection formula for the report
Filter recSelectionFormula = new Filter();
recSelectionFormula.setFreeEditingText("{Reports.Country} in ['Thailand', 'Taiwan'," +
"'Singapore', 'Philippines', 'Pakistan', " + "'New Zealand', 'Nepal', 'Mongolia', 'Malaysia', " + "'Japan', 'Indonesia', 'India', 'China', " + "'Bangladesh','Australia']");
rptDoc.getDataDefController().getRecordFilterController().modify(recSelectionFormula);
/*
Good coding practice would place the following code in it's own page.
The above code would re-direct to that page, first storing
the reportSource in a session variable
*/
//Create an Interactive Viewer and preview the report
CrystalReportInteractiveViewer tc1 = new CrystalReportInteractiveViewer();
//Pass the report to the viewer
tc1.setName("Crystal_Interactive_Viewer");
tc1.setOwnPage(true);
tc1.setEnableDrillDown(true); IReportSource reportSource = rptDoc.getReportSource();
tc1.setReportSource(reportSource);
tc1.processHttpRequest(request, response, getServletConfig().getServletContext(), out);
}catch(Exception e){
e.printStackTrace();
}
%>