CodigoAngular

<div class="footer-col contactForm contato text-center" ng-app="myapp">
          <h3>Contate-nos</h3>
          <div class=" ">
            <form name="sentMessage" id="contactForm" ng-controller="contatoController">
              <div class="row control-group">
                <div class="form-group col-xs-12 floating-label-form-group controls">
                  <label>Nome</label>
                 <input type="text" class="form-control" ng-model="nome" placeholder="Nome" id="name" name="name" required data-validation-required-message="Por favor, informe seu nome.">
                  <p class="help-block text-danger"></p>
                </div>
              </div>
              <div class="row control-group">
                <div class="form-group col-xs-12 floating-label-form-group controls">
                  <label>Assunto</label>
                  <input type="text" class="form-control" ng-model="assunto" placeholder="Assunto" id="subject" name="subject" required data-validation-required-message="Por favor, informe o assunto.">
                  <p class="help-block text-danger"></p>
                </div>
              </div>
              <div class="row control-group">
                <div class="form-group col-xs-12 floating-label-form-group controls">
                  <label>Endereço de Email</label>
                  <input type="email" class="form-control" ng-model="email" placeholder="Endereço de Email" id="email" name="email" required data-validation-required-message="Por favor, informe seu email.">
                  <p class="help-block text-danger"></p>
                </div>
              </div>
              <div class="row control-group">
                <div class="form-group col-xs-12 floating-label-form-group controls">

                  <label>Telefone</label>
                  <input type="tel" class="form-control" ng-model="telefone" placeholder="Telefone" id="phone" name="phone">
                  <p class="help-block text-danger"></p>
                </div>
              </div>
              <div class="row control-group">
                <div class="form-group col-xs-12 floating-label-form-group controls">
                  <label>Mensagem</label>
                  <textarea rows="2" class="form-control" ng-model="mensagem" placeholder="Mensagem" id="message" name="message" required data-validation-required-message="Por favor, escreva sua mensagem"></textarea>
                  <p class="help-block text-danger"></p>
                </div>
              </div>
              <br>
              <div id="success"></div>
              <div class="row">
                <div class="form-group col-xs-12">
                 <button id="btnSubmit" class="btn btn-success btn-lg" ng-click="enviar()">Enviar</button>
                </div>
              </div>
            </form>
          </div>
        </div>









<script src="angular/angular.js"></script>
<script src="angular-route/angular-route.js"></script>


<script type="text/javascript">
    var app = angular.module('myapp', []);

    app.controller('contatoController', function($scope, $http){
        var data = {nome: $scope.nome, assunto: $scope.assunto, enderecoMail: $scope.mail, telefone: $scope.telefone, mensagem: $scope.mensagem };
        var site = 'url do site';
        var header = {headers : {'Content-Type': 'application/json'}};

        $scope.enviar = function(){
            $http.post(site, data, header);
        }
    });
</script>