无法从Angular js的html页面中将用户名和密码传递给控制器

Question

我有两个字段用户名和密码，我想在angular js控制器中获取以验证登录名。但是在控制器中，我在填写用户名和密码并提交按钮后无法获取它     <form class="form-signin" action="" method="post">                        <span id="reauth-email" class="reauth-email"></span>                        <input type="text" ng-model="username" id="Username" name="Username" class="form-control" placeholder="Email address" required autofocus>                        <input type="password" ng-model="password" id="password" name="password" class="form-control" placeholder="Password" required style="margin-top:10px">                        <div id="remember" class="checkbox">                            <label>                                <input type="checkbox" value="remember-me"> Remember me                            </label>                        </div>                        <input type="hidden" name="" value="" />                        <input class="btn btn-lg btn-primary btn-block btn-signin"  type="button" value="{{btntext}}" ng-click="login()" >                    </form>角jsvar app = angular.module('homeapp', []);app.controller('HomeController', function($scope, $http) {  $scope.username = '';  alert($scope.username);  $scope.btntext="Login";  $scope.login=function () {  $http.get("/account/loginverify")  .then(function(response) {    $scope.myWelcome = response.data;    if(response.data=="1"){      window.location.href='home.html'    }     else  {      alert("Invalid username  or password...!!!")    }  });}});