PicklistEntryDemo.page

<apex:page controller="PicklistEntryDemoController" sidebar="false" tabStyle="Account">
    <apex:form >
        <apex:pageBlock >
            <apex:pageBlockSection columns="2">
                <apex:pageBlockSection columns="1" title="選択リスト値取得">
                    <apex:outputPanel >
                        <ul>
                            <apex:repeat value="{!selectList}" var="item">
                                <li><apex:outputText value="{!item}" /></li>
                            </apex:repeat>
                        </ul>
                    </apex:outputPanel>
                </apex:pageBlockSection>
                <apex:pageBlockSection columns="1" title="複数選択リスト値取得">
                    <apex:outputPanel >
                        <ul>
                            <apex:repeat value="{!multiselectList}" var="item">
                                <li><apex:outputText value="{!item}" /></li>
                            </apex:repeat>
                        </ul>
                    </apex:outputPanel>
                </apex:pageBlockSection>
            </apex:pageBlockSection>
        </apex:pageBlock>
    </apex:form>
</apex:page>

PicklistEntryDemoController.cls

public with sharing class PicklistEntryDemoController {

    public List<String> selectList {get; set;}
    public List<String> multiselectList {get; set;}

    public PicklistEntryDemoController() {
        // 初期化
        this.selectList = new List<String>();
        this.multiselectList = new List<String>();
        
        // 選択リスト値取得
        Schema.DescribeFieldResult ratingFidldResult = Account.Rating.getDescribe();
        List<Schema.PicklistEntry> ratingPicklistEntry = ratingFidldResult.getPicklistValues();
        for (Schema.PicklistEntry pick : ratingPicklistEntry) {
            this.selectList.add('Label = ' + String.valueOf(pick.getLabel()) + ' : ' + 'Value = ' + String.valueOf(pick.getValue()));
        }
        // 複数選択リスト値取得
        Schema.DescribeFieldResult multiselectFidldResult = Account.Multiselect__c.getDescribe();
        List<Schema.PicklistEntry> multiselectPicklistEntry = multiselectFidldResult.getPicklistValues();
        for (Schema.PicklistEntry pick : multiselectPicklistEntry) {
            this.multiselectList.add('Label = ' + String.valueOf(pick.getLabel()) + ' : ' + 'Value = ' + String.valueOf(pick.getValue()));
        }
    }
}