Simple class to fetch data from SFDC Account Table

AccountTest.cls

public with sharing class AccountTest{

   @AuraEnabled
   public static list<Account> getlstacc(){
      return [Select Id , Name , NumberofLocations__c from Account order by NumberofLocations__c limit 10];
   }

}

NameSpaceTest.cmp

<aura:component controller="AccountTest" access="global">
	<aura:handler name="init" action="{!c.fetchAccounts}" value="{!this}" />
    <aura:attribute name="accounts" type="Account[]" />
    <ul>
    	<aura:iteration items="{!v.accounts}" var="account">
    		<li > <h3>{!account.name}</h3> </li>
               <li > <h3>{!account.NumberofLocations__c}</h3> </li>
    	</aura:iteration>
    </ul> 
</aura:component>

NameSpaceTestController.js

({
	fetchAccounts : function(component, event, helper) {
		var action = component.get("c.getlstacc ");
        	action.setCallback(this, function(data) {
        	component.set("v.accounts", data.getReturnValue());
        	});
            $A.enqueueAction(action);
	}
})