SetTimeout中的SetTimeout没有触发

时间:2014-12-16 10:48:45

标签: javascript angularjs

我正在尝试创建一个按钮,该按钮可以对其正在执行的操作提供反馈。在Angular中,我正在向服务器发出put请求 - 此时我更改按钮的状态以指示这一点 - 然后当我收到响应时,我再次更改按钮的状态以反映1.5秒的成功或失败,然后重置它回到单击按钮之前的原始状态。此时,还会显示一条消息以反映成功或失败,并在另外5秒后执行其他操作。如果失败则显示的消息应该被隐藏,如果成功则页面应该重定向。这是我不能开始工作的最后一部分。

因此,我的问题是我是否应该将setTimeout放入另一个setTimeout?

这是我的代码(在按钮的功能内):

$scope.resetPassword = function() {

    $scope.ShowSuccessMessage = false;
    $scope.ShowFailedMessage = false;

    var querystring = $location.search();

    var dataObject = { email1 : $scope.formEmail1, email2 : $scope.formEmail2, password1: $scope.formPassword1, password2: $scope.formPassword2, token: querystring.token };

    var responsePromise = $http.put("/myurl/", dataObject, {});

    //  change colour and icon of reset button for 1.5 sec
    var $el           = $("#resetPassword");
    var resetButton   = 1500;
    var resetMessage  = 5000;
    var originalColor = $el.css("background");
    var originalIcon  = $el[0].firstChild.className; // get first html element in the button, which is the <i>

    $el[0].firstChild.className = "fa fa-circle-o-notch fa-spin";

    responsePromise.success(function(dataFromServer, status, headers, config) {
      $el.css("background", "#02c66c");
      $el[0].firstChild.className = "fa fa-check-circle";

      $scope.ShowSuccessMessage = true;

      ResetButton($el, $scope, originalColor, originalIcon, resetButton, true, resetMessage);
    });

    responsePromise.error(function(dataFromServer, status, headers, config) {
      $el.css("background", "#d9534f");
      $el[0].firstChild.className = "fa fa-times-circle";

      $scope.ShowFailedMessage = true;

      ResetButton($el, $scope, originalColor, originalIcon, resetButton, false, resetMessage);
    });
};

ResetButton = function(el, scope, originalColor, originalIcon, resetButton, success, resetMessage)
{
  setTimeout(function() {
    el.css("background", originalColor);
    el[0].firstChild.className = originalIcon;

    ChangeMessageOrChangeLocation(scope, success, resetMessage);
  }, resetButton);
}

ChangeMessageOrChangeLocation = function(scope, success, resetMessage)
{
  if(success) {
    setTimeout(function(){
      window.location = '/signin';
    }, resetMessage);
  }
  else {  
    setTimeout(function() {
      scope.ShowFailedMessage = false;
    }, resetMessage);
  }
}

编辑:这是一个实例:Greedy Magpie(请记住,这是一项正在进行的工作,因此网站上的所有内容都不会有效。)只需点击更改密码按钮即可...

1 个答案:

答案 0 :(得分:1)

winfow.setTimeout在Angular摘要周期之外执行,因此视图未更新。在scope.$apply()之后添加scope.ShowFailedMessage = false;或使用$timeout服务而不是setTimeout。第二种方法更好。

点击此处查看$ timeout服务文档:$timeout

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