Vizframe UI5 饼图 Odata 绑定问题

如何解决Vizframe UI5 饼图 Odata 绑定问题

我正在尝试使用 odata 绑定显示饼图，但它在输出中不可见。我可以在调试期间在控制台中看到数据，但没有显示图表。请找到随附的视图代码供您参考。视图中的表代码工作正常。我需要在图表中将保单编号/保费显示为维度和度量。你能帮我改正吗。

<core:View id="vw1" xmlns:core="sap.ui.core" xmlns:mvc="sap.ui.core.mvc"
xmlns="sap.m" controllerName="alp_report.alp" xmlns:html="http://www.w3.org/1999/xhtml"
xmlns:viz="sap.viz.ui5.controls" xmlns:viz.data="sap.viz.ui5.data"
xmlns:viz.feeds="sap.viz.ui5.controls.common.feeds" xmlns:chart="sap.suite.ui.commons">

<Page title="ALP Report">
    <content>
        <Table id="oTable" items="{oData>/d/results}">
            <headerToolbar>
                <Toolbar>
                    <Title level="H2" id="lblCount"></Title>
                    <SearchField id="searchField" width="auto"></SearchField>
                </Toolbar>
            </headerToolbar>
            <columns>
                <Column>
                    <Label design="Bold" text="Policy ID"></Label>
                </Column>
                <Column>
                    <Label design="Bold" text="Policy Number"></Label>
                </Column>
                <Column>
                    <Label design="Bold" text="Policy Begin Date"></Label>
                </Column>
                <Column>
                    <Label design="Bold" text="Journal No"></Label>
                </Column>
                <Column>
                    <Label design="Bold" text="Branch"></Label>
                </Column>
                <Column>
                    <Label design="Bold" text="Policy Status"></Label>
                </Column>
            </columns>
            <items>
                <ColumnListItem>
                    <cells>
                        <Text text="{oData>SecpolId}"></Text>
                        <Text text="{oData>PolicynrTt}"></Text>
                        <Text text="{oData>PolbegDt}"></Text>
                        <Text text="{oData>JournalnoId}"></Text>
                        <Text text="{oData>ZzbranchCd}"></Text>
                        <Text text="{oData>ZzPolicyStatusCd}"></Text>
                    </cells>
                </ColumnListItem>
            </items>
        </Table>
        <VBox>
            <chart:ChartContainer id="chartContainer"
                showFullScreen="true" showZoom="false" title="Policy-Report">
                <chart:ChartContainerContent>
                    <chart:content>
                        <viz:VizFrame id="idpiechart" width="auto"
                            uiConfig="{applicationSet:'fiori'}" vizType="pie"
                            vizProperties="{
       plotArea:{
                        dataLabel:{visible: true}
            },title : {text:'Branch-Conveyance'}
        }"
                            selectData="myOnClickHandler" noDataText="Go make a Sale!"
                            renderComplete="handleRenderComplete">
                            <viz:dataset>
                                <viz.data:FlattenedDataset id="flattenData"
                                    data="{oData>/d/results}">
                                    <viz.data:dimensions>
                                        <viz.data:DimensionDefinition
                                            name="PolicynrTt" value="{oData>PolicynrTt}" />
                                    </viz.data:dimensions>
                                    <viz.data:measures>
                                        <viz.data:MeasureDefinition name="ZztotalpremAm"
                                            value="{oData>ZztotalpremAm}" />
                                    </viz.data:measures>
                                </viz.data:FlattenedDataset>
                            </viz:dataset>

                            <viz:feeds>
                                <viz.feeds:FeedItem uid="size" type="Measure"
                                    values="ZztotalpremAm" />
                                <viz.feeds:FeedItem uid="color" type="Dimension"
                                    values="PolicynrTt" />
                            </viz:feeds>
                        </viz:VizFrame>
                    </chart:content>
                </chart:ChartContainerContent>
            </chart:ChartContainer>
        </VBox>
    </content>
</Page>