[Salesforce]Visualforceアクション

Visualforceアクションを紹介します。

Visualforceコントローラ

public with sharing class lifecycle {

    private final Account acct;
    Integer EmpAdd;

    public lifecycle(myController controller) {
        this.acct = (Account)controller.getAccount();
    }

    public String getGreeting() {
        return acct.name + ' Current Information';
    }
    
    public void resetEmp() {
        acct.numberofemployees = 10;
        update acct;
    }
}

Visualforceページ

<apex:page controller="myController" tabStyle="Account" extensions="lifecycle" action="{!resetEmp}">
    <apex:messages />
    <apex:pageBlock title="{!greeting}">
        <apex:outputLabel value="{!$ObjectType.account.fields.Name.label}: " 
                          for="acctName"/>
        <apex:outputField value="{!account.name}" id="acctName"/>
        <br/>
        <apex:outputLabel 
              value="{!$ObjectType.account.fields.NumberOfEmployees.label}: "
              for="emps"/>
        <apex:outputField value="{!account.NumberOfEmployees}" id="emps"/>
        <br/>
    </apex:pageBlock>
    <apex:pageBlock title="Variable values">
        <c:editMode value="{!$CurrentPage.parameters.key}"/>
    </apex:pageBlock>
    <apex:form rendered="{!$CurrentPage.parameters.key = 'true'}">
        <apex:pageBlock title="Update the Account" id="thePageBlock">
            <apex:pageBlockSection columns="1">
                <apex:inputField id="aName" value="{!account.name}"/>
                <apex:inputField value="{!account.NumberOfEmployees}"/>
                <apex:pageBlockSectionItem>
                    <apex:outputLabel value="{!$ObjectType.account.fields.Industry.label}"
                        for="acctIndustry"/>
                    <apex:actionRegion>
                        <apex:inputField value="{!account.Industry}" id="acctIndustry">
                            <apex:actionSupport event="onchange" rerender="thePageBlock"
                                status="status"/>
                        </apex:inputField>
                    </apex:actionRegion>
                </apex:pageBlockSectionItem>
            </apex:pageBlockSection>
            <apex:pageBlockButtons location="bottom">
                <apex:commandButton action="{!save}" value="Save"/>
                <apex:commandButton action="{!cancel}" value="Cancel" immediate="true"/>
            </apex:pageBlockButtons>
        </apex:pageBlock>
    </apex:form>
</apex:page>

上記のVisualforceページ以下がアクションです。

action="{!resetEmp}"