Salesforce apex:actionSupport

Salesforce apex:actionSupport

actionSupport.page

ーー

<apex:page controller="exampleCon">
<apex:form>
<apex:outputpanel id="counter">
<apex:outputText value="Click Me!: {!count}"/>
<apex:actionSupport event="onclick"
action="{!incrementCounter}"
rerender="counter" status="counterStatus"/>
</apex:outputpanel>
<apex:actionStatus id="counterStatus"
startText=" (incrementing...)"
stopText=" (done)"/>
</apex:form>
</apex:page>

ーー

 

exampleCon.cls

ーー

public class exampleCon {
Integer count = 0;

public PageReference incrementCounter() {
count++;
return null;
}

public Integer getCount() {
return count;
}
}

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参考URL

https://developer.salesforce.com/docs/atlas.ja-jp.pages.meta/pages/pages_compref_actionSupport.htm