高章伟
2023-03-28 fa01cf80171eb10c7f1b4f1764376397b714c526
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<aura:component implements="flexipage:availableForAllPageTypes"
                access="global">
    
    <aura:attribute name="recordId" type="Id" />
    <aura:attribute name="property" type="Property__c" />
    
    <force:recordData recordId="{!v.recordId}" 
                      targetFields="{!v.property}" 
                      layoutType="FULL" 
                      recordUpdated="{!c.recordUpdated}"/>
 
    <aura:attribute name="principal" type="Integer" default="200000"/>
    <aura:attribute name="years" type="Integer" default="30"/>
    <aura:attribute name="rate" type="Integer" default="5"/>
    <aura:attribute name="monthlyPayment" type="Decimal"/>
 
    <aura:registerEvent name="change" type="c:MortgageChange"/>
    
    <aura:handler name="change" value="{!v.principal}" action="{!c.calculateMonthlyPayment}"/>
    <aura:handler name="change" value="{!v.years}" action="{!c.calculateMonthlyPayment}"/>
    <aura:handler name="change" value="{!v.rate}" action="{!c.calculateMonthlyPayment}"/>
    <aura:handler name="init" value="{!this}" action="{!c.calculateMonthlyPayment}" />
 
    <div>
        <div class="input">
            <lightning:input aura:id="principal" type="number" label="Principal:" value="{!v.principal}"/>
            <lightning:select name="select1" label="Years:" value="{!v.years}">
                <option value="20">20</option>
                <option value="25">25</option>
                <option value="30">30</option>
                <option value="35">35</option>
            </lightning:select>
            <lightning:input aura:id="rate" type="text" label="Rate:" value="{!v.rate}"/>
        </div>
        <div class="result">
            Monthly Payment: 
            <lightning:formattedNumber value="{!v.monthlyPayment}" style="currency" currencyCode="USD"/>
        </div>
    </div>    
    
</aura:component>