AngularJs用户登录问题处理（交互及验证、阻止FQ处理）

<div class="register-frame-all">
  <div class="register-frame">
   <div class="register-msg">
    <i></i>
    <form name="loginForm" ng-submit="loginAction()">
     <div class="form-group">
      <div class="input-group">
       <span class="input-group-addon register-user"></span>
       <input autocomplete="off" type="number" class="form-control" placeholder="请输入手机号" required ng-model="loginData.loginName" name="loginName">
      </div>
      <div class="input-group">
       <span class="input-group-addon register-pwd"></span>
       <input type="password" class="form-control" placeholder="请输入密码" required ng-model="loginData.pwd" name="pwd">
      </div>
      <button type="submit" class="btn btn-block btn-danger"
        ng-disabled="!( (loginForm.loginName.$valid) && (loginForm.pwd.$valid) )">登录</button>
      <em></em>
     </div>
    </form>
   </div>
   <div class="register-pic" ng-style="registerRnum"></div>
  </div>
 </div>

$http({
    url:G.apiUrl_dl+'loginByPhone',
    method:'post',
    data:{
     'phone':loginName,
     'pwd':pwd
    },
    headers:{'Content-Type':'application/x-www-form-urlencoded'},
    transformRequest: function(obj) {
     var str = [];
     for(var p in obj){
      str.push(encodeURIComponent(p) + "=" + encodeURIComponent(obj[p]));
     }
     return str.join("&");
    }
   }).success(function(data){
    // 登录成功后的操作...18     19    });

// 登录成功
    if($scope.loginActionData.token){
     sessionStorage.setItem("token", $scope.loginActionData.token);
     sessionStorage.setItem("tsname", $scope.loginActionData.name);
     sessionStorage.setItem("rights", $scope.loginActionData.rights);
     sessionStorage.setItem("userId", $scope.loginActionData.userId);
     sessionStorage.setItem("departmentsId", $scope.loginActionData.departmentsId);
     sessionStorage.setItem("departmentsName", $scope.loginActionData.departmentsName);
     $state.go('index');
    }else{
     // 登录失败的弹框提示
     $('#loginAction').modal('show');
    }

angular.module.run(['$rootScope','$state',function($rootScope,$state){
  $rootScope.$on('$stateChangeStart',function(event,toState){
   // 防止FQ
   if(!(sessionStorage.getItem("token")))$state.go('register');
  });
 }]);