Edit in JSFiddle

var app = angular.module('MyApp', []);
app.controller('testC3',function($scope,validate){
    $scope.validateData = validate;
});

app.factory('remoteData',function(){
    var data = {name:'n',value:'v'};
    return data;
});

app.factory('validate',function(remoteData){
    return function(){
        if(remoteData.name=='n'){
            alert('验证通过');
        }
    };
});

<div ng-app="MyApp">
    <div ng-controller="testC3">
        <button ng-click="validateData()">验证数据</button>
    </div>
</div>