tyoshikawa1106のブログ

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SFDC:エリアグラフの表示

<apex:chart>タグでエリアグラフを表示する方法です。

f:id:tyoshikawa1106:20121124002108p:plain

 

Apexクラス・サンプル

public with sharing class Chart_AreaSeries {
    
    public List<Data> getData() {
        return Chart_AreaSeries.getChartData();
    }
    
    @RemoteAction
    public static List<Data> getRemoteData() {
        return Chart_AreaSeries.getChartData();
    }
    
    public static List<Data> getChartData() {
        List<Data> data = new List<Data>();
        data.add(new Data('Jan', 30, 90, 55));
        data.add(new Data('Feb', 44, 15, 65));
        data.add(new Data('Mar', 25, 32, 75));
        data.add(new Data('Apr', 74, 28, 85));
        data.add(new Data('May', 65, 51, 95));
        data.add(new Data('Jun', 33, 45, 99));
        data.add(new Data('Jul', 92, 82, 30));
        data.add(new Data('Aug', 87, 73, 45));
        data.add(new Data('Sep', 34, 65, 55));
        data.add(new Data('Oct', 78, 66, 56));
        data.add(new Data('Nov', 80, 67, 53));
        data.add(new Data('Dec', 17, 70, 70));
        return data;
    }
    
    public class Data {
        public String name { get; set; }
        public Integer data1 { get; set; }
        public Integer data2 { get; set; }
        public Integer data3 { get; set; }
        public Data(String name, Integer data1, Integer data2, Integer data3) {
            this.name = name;
            this.data1 = data1;
            this.data2 = data2;
            this.data3 = data3;
        }
    }
}

Visualforceページ・サンプル

<apex:page controller="Chart_AreaSeries">
    <apex:chart height="400" width="700" animate="true" legend="true" data="{!data}">
        <apex:legend position="left"/>
        <apex:axis type="Numeric" position="left" fields="data1,data2,data3"  title="Closed Won" grid="true">
            <apex:chartLabel />
        </apex:axis>
        <apex:axis type="Category" position="bottom" fields="name"  title="Month of the Year">
            <apex:chartLabel rotate="315"/>
        </apex:axis>
        <apex:areaSeries axis="left" xField="name" yField="data1,data2,data3" tips="true"/>
    </apex:chart>
</apex:page>

 

<apex:areaSeries>でグラフ種別をエリアグラフに指定しています。