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Visualforceでゲージグラフ表示

Last updated at Posted at 2012-12-26

Winter'13でグラフを表示するためのapex:chartが正式にリリースされました。

これを使用してゲージグラフを表示することができます。

Apex
public with sharing class Chart_GaugeSeries {
    
    public List<Data> getData() {
        return Chart_GaugeSeries.getChartData();
    }
    
    @RemoteAction
    public static List<Data> getRemoteData() {
        return Chart_GaugeSeries.getChartData();
    }
    
    public static List<Data> getChartData() {
        List<Data> data = new List<Data>();
        data.add(new Data('Jan', 30));
        data.add(new Data('Feb', 44));
        data.add(new Data('Mar', 25));
        data.add(new Data('Apr', 74));
        data.add(new Data('May', 65));
        data.add(new Data('Jun', 33));
        data.add(new Data('Jul', 92));
        data.add(new Data('Aug', 87));
        data.add(new Data('Sep', 34));
        data.add(new Data('Oct', 78));
        data.add(new Data('Nov', 80));
        data.add(new Data('Dec', 170));
        return data;
    }
    
    public class Data {
        public String name { get; set; }
        public Integer data1 { get; set; }
        public Data(String name, Integer data1) {
            this.name = name;
            this.data1 = data1;
        }
    }
}
Visualforce
<apex:page controller="Chart_GaugeSeries">
    <apex:chart height="250" width="450" animate="true" data="{!data}">
        <apex:axis type="Gauge" position="gauge" title="Transaction Load"  minimum="0" maximum="100" steps="10"/>
        <apex:gaugeSeries dataField="data1" donut="50" colorSet="#78c953,#ddd"/>
    </apex:chart>
</apex:page>
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