首页 > 解决方案 > AngularJS 表格闪烁

问题描述

我有一个简单的 AngularJS 应用程序,它在用户登录后显示一个包含 ng-repeat 数据的表。我有一个问题,登录后,表格会短暂显示空白行,然后显示实际的数据行。对于如何解决这个问题,有任何的建议吗?

这是登录的控制器:

  $scope.login = function(user) {
    loginSrvc.login(user).then(function(response) {
      if (response == "authentication failed") {
        $scope.error = true;
        $scope.user = {};
         $location.path("/");
      } else {
        if (response.group_name == "On Site Registration"){
             var data = {
               event: response.zk_event_id,
               group: response.zk_group_id
             };
             $scope.getAvailableCamper(data);

        }
        else if (!response.zk_group_id) {
                   $location.path("/form/" + response.zkp_camper_id);
             }
             else {
             $location.path("/dashboard/" + response.zk_event_id + "/" + response.zk_group_id);
             }
      }

    })
  }


$scope.getAvailableCamper = function(data) {
    dashboardSrvc.fetchGroup(data).then(function(response){
         var findAvailableCamper = _.find(response.data, {status: null});
         console.log("this is find", findAvailableCamper);
         var id = findAvailableCamper.zkp_camper_id;
        $location.path("/onSiteForm/" + id);

    })
  }

这是表的控制器:

$scope.campers = function() {
    $scope.camper = loginSrvc.getCampers();
  }

  $scope.campers();

  $scope.fetchCampers = function(id) {
    dashboardSrvc.fetchCampers(id).then(function(response){
        $location.path("/form/" + id);
    })
  }

这是表格的html代码:

<tr ng-repeat="campers in camper">
            <td>{{$index + 1}}</td>
            <td>{{campers.name_first}}</td>
            <td>{{campers.name_last}}</td>
            <td><button type="submit" name="submit" ng-click="register(campers)" class="btn btn-success" role="button" ng-hide="campers.status == 'Submitted' "  ng-disabled="!(!!campers.name_first && !!campers.name_last && !!campers.gender && !!campers.city && !!campers.date_of_birth && !!campers.email && !!campers.emergency_cell_phone && !!campers.emergency_contact_first_name && !!campers.emergency_contact_last_name && !!campers.emergency_home_phone && !!campers.relationship_to_camper && !!campers.first_time_flag )">Submit</button> <p ng-show ="campers.status == 'Submitted'" > {{campers.registration_date | date: 'medium'}}

            </p>
            </td>
            <td>{{campers.status}}</td>
            <td>
              <button ng-click="fetchCampers(campers.zkp_camper_id)"  type="submit" name="view" class="btn btn-default" role="button" ng-show="campers.status == 'Submitted' "><span class="glyphicon glyphicon-eye-open"></span></button>
              <button ng-click="fetchCampers(campers.zkp_camper_id)" type="submit" name="edit" class="btn btn-default" role="button" ng-hide="campers.status == 'Submitted' " ><span class="glyphicon glyphicon-edit"></span></button>

  <button type="button" ng-click="setValue(campers.zkp_camper_id)" name="deleteModalLauncher" id="deleteModalLauncher" class="btn btn-danger" role="button" data-toggle="modal" data-target="#deleteModal" ng-hide="campers.status == 'Submitted' " ><span class="glyphicon glyphicon-trash" aria-hidden="true"></span></button>

            </td>
          </tr>

我真的很感激帮助!谢谢!

标签: angularjstwitter-bootstrap

解决方案


有一个指令可以最小化角度循环在检查绑定和所有内容时所做的闪烁。它被称为 ng-cloak,它可以添加到您视图上的任何元素中。

更多信息:https ://www.w3schools.com/angular/ng_ng-cloak.asp

...

您还可以使用在内容完全加载时触发的 angularjs 事件并设置标志 ex。加载 = true 然后使用加载变量的 ng-show。

控制器 :

$scope.$on('$viewContentLoaded', function(){
   $scope.loaded = true;
});

看法 :

<table ng-show="loaded">
  .....
 </table>

希望有帮助!


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