java中的堆疊條形圖和eclipse中的jasperSoft studio插件

Question

如何使用jaspersoft製作動態放樣的條形圖。目前值列不接受值列表，而是需要一個整數。我期待圖表循環遍歷我通過的列表。

public class TeamPerformance { 
    public List<TeamData> getReport(String reportId) { 
     List<ContractionsPartogramData> result = new ArrayList<>(); 
     ContractionsPartogramData data = new ContractionsPartogramData(); 

     List<String> cat = new ArrayList<>(); 
     cat.add("11:00"); 
     cat.add("12:00"); 
     cat.add("13:00"); 

     List<Integer> teamOneScore = new ArrayList<>(); 
     teamOneScore.add(1); 
     teamOneScore.add(11); 
     teamOneScore.add(13); 

     List<Integer> teamTwo = new ArrayList<>(); 
     teamTwo.add(4); 
     teamTwo.add(14); 
     teamTwo.add(5); 

     data.setTeamOne(teamOneScore); 
     data.setTeamTwo(teamTwo); 
     data.setTeamOneSeries("Team One"); 
     data.setTeamTwoSeries("Team Two"); 
     data.setCategories(cat); 

     result.add(data); 
     return result; 
    } 
} 

的JRXML：

<?xml version="1.0" encoding="UTF-8"?> 
<jasperReport xmlns="http://jasperreports.sourceforge.net/jasperreports" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://jasperreports.sourceforge.net/jasperreports http://jasperreports.sourceforge.net/xsd/jasperreport.xsd" name="mbp_baby" pageWidth="1684" pageHeight="1190" orientation="Landscape" columnWidth="1150" leftMargin="20" rightMargin="20" topMargin="20" bottomMargin="20" uuid="8f9fcfe4-de3f-44f2-a894-dd075a99d88e"> 
    <property name="com.jaspersoft.studio.data.defaultdataadapter" value="One Empty Record"/> 
    <subDataset name="BabyVisitsDataset" uuid="397116d3-884b-412b-aac0-f71201d3be28"> 
     <property name="com.jaspersoft.studio.data.defaultdataadapter" value="One Empty Record"/> 
    </subDataset> 
    <detail> 
     <band height="343" splitType="Stretch"> 
      <staticText> 
       <reportElement x="79" y="59" width="99" height="20" uuid="af169a41-c5d0-49b5-87fb-b820c543167f"/> 
       <textElement textAlignment="Left" verticalAlignment="Middle"> 
        <font isBold="true"/> 
        <paragraph leftIndent="5"/> 
       </textElement> 
       <text><![CDATA[Teams]]></text> 
      </staticText> 
      <stackedBarChart> 
       <chart evaluationTime="Report"> 
        <reportElement x="43" y="78" width="200" height="200" uuid="ff603b1a-74f7-4c48-95a3-bbd94f9a2811"/> 
        <chartTitle/> 
        <chartSubtitle/> 
        <chartLegend/> 
       </chart> 
       <categoryDataset> 
        <categorySeries> 
         <seriesExpression><![CDATA[$F{teamOne}]]></seriesExpression> 
         <categoryExpression><![CDATA[$F{categoryArray}]]></categoryExpression> 
         <valueExpression><![CDATA[$F{arrayTeamOneValues}]]></valueExpression> 
         <labelExpression><![CDATA[]]></labelExpression> 
        </categorySeries> 
        <categorySeries> 
         <seriesExpression><![CDATA[$F{teamTwo}]]></seriesExpression> 
         <categoryExpression><![CDATA[$F{categoryArray}]]></categoryExpression> 
         <valueExpression><![CDATA[$F{arrayTeamOneValues}]]></valueExpression> 
         <labelExpression><![CDATA[]]></labelExpression> 
        </categorySeries> 

       </categoryDataset> 
       <barPlot> 
        <plot/> 
        <itemLabel/> 
        <categoryAxisFormat> 
         <axisFormat labelColor="#000000" tickLabelColor="#000000" axisLineColor="#000000"/> 
        </categoryAxisFormat> 
        <valueAxisFormat> 
         <axisFormat labelColor="#000000" tickLabelColor="#000000" axisLineColor="#000000"/> 
        </valueAxisFormat> 
       </barPlot> 
      </stackedBarChart> 
     </band> 
    </detail> 
</jasperReport> 

錯誤堆棧跟蹤：

java.lang.ClassCastException: java.util.ArrayList cannot be cast to java.lang.Number 
at net.sf.jasperreports.charts.fill.JRFillCategorySeries.evaluate(JRFillCategorySeries.java:141) 
at net.sf.jasperreports.charts.fill.JRFillCategoryDataset.customEvaluate(JRFillCategoryDataset.java:110) 
at net.sf.jasperreports.engine.fill.JRFillElementDataset.evaluate(JRFillElementDataset.java:160) 
at net.sf.jasperreports.engine.fill.JRCalculator.calculateVariables(JRCalculator.java:187) 
at net.sf.jasperreports.engine.fill.JRVerticalFiller.fillDetail(JRVerticalFiller.java:735) 
at net.sf.jasperreports.engine.fill.JRVerticalFiller.fillReportStart(JRVerticalFiller.java:255) 
at net.sf.jasperreports.engine.fill.JRVerticalFiller.fillReport(JRVerticalFiller.java:115) 
at net.sf.jasperreports.engine.fill.JRBaseFiller.fill(JRBaseFiller.java:580) 
at net.sf.jasperreports.engine.fill.BaseReportFiller.fill(BaseReportFiller.java:414) 
at net.sf.jasperreports.engine.fill.JRFillSubreport.fillSubreport(JRFillSubreport.java:736) 
at net.sf.jasperreports.engine.fill.JRSubreportRunnable.run(JRSubreportRunnable.java:59) 
at net.sf.jasperreports.engine.fill.AbstractThreadSubreportRunner.run(AbstractThreadSubreportRunner.java:221) 
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) 
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) 
at java.lang.Thread.run(Thread.java:745) 

Answer 1

我終於想通了，爲什麼圖表無法繪製。我發送的數據結構的格式錯誤。 我創建了一個由三個參數組成的列表，分別是值，類別和系列，一切都很完美。最後，我添加了另一個數據集來包含創建列表中的實際字段名稱並將其附加到jrxml圖表數據集。