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chenjingwu

2024-04-19 7c2d0b4e126534552d16521c3313b3251dd9d800

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<apex:page lightningStyleSheets="true">
    <apex:includeLightning />
    <p>
        You can include
        <a
            href="https://developer.salesforce.com/docs/component-library/documentation/en/lwc/use_visualforce"
            >Lightning web components within Visualforce pages</a
        >
        using Lightning Out. You'll need to perform three steps:
        <ul>
            <li>
                Add the Lightning Components for Visualforce JavaScript Library
            </li>
            <li>
                Create and Reference a Standalone Aura Dependency App with
                $Lightning.use
            </li>
            <li>
                Create the Component on the Visualforce Page with
                $Lightning.createComponent
            </li>
        </ul>
    </p>
    <div id="example-container">
        <h2>VISUALFORCE</h2>
        <apex:form >
            <apex:commandButton onclick="setLWCProperty();"
                onComplete="return null;"
                value="Press me and set a LWC property!"
            >
            </apex:commandButton>
            <apex:commandButton onclick="callLWCMethod();"
                onComplete="return null;"
                value="Press me and call a LWC method!"
            >
            </apex:commandButton>
        </apex:form>
        <p class="messages">0 messages listened from LWC</p>
        <div id="lwc-container"></div>
    </div>
 
    <script>
        var timesListened = 1;
 
        $Lightning.use('c:LWCContainerApp', function () {
            $Lightning.createComponent(
                'c:interoperability',
                { label: 'Initial label value' },
                'lwc-container',
                function (cmp) {
                    console.log('LWC added to Visualforce page:' + cmp);
                    var lwc = document.querySelector('c-interoperability');
                    lwc.addEventListener('buttonclicked', handleLWCEvent);
                }
            );
        });
 
        function handleLWCEvent() {
            document.querySelector('p.messages').textContent =
                timesListened + ' messages listened from LWC';
            timesListened++;
        }
 
        function callLWCMethod(event) {
            var lwc = document.querySelector('c-interoperability');
            lwc.doWhatever();
        }
 
        function setLWCProperty(event) {
            var lwc = document.querySelector('c-interoperability');
            lwc.label = 'The label property was updated from Visualforce';
        }
    </script>
    <style>
        #example-container {
            border: 1px solid black;
            padding: 10px;
        }
        form {
            margin-top: 10px;
        }
        .messages {
            padding: 10px;
        }
    </style>
</apex:page>