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Angularjs 从Ctrl更改导航栏中的标题_Angularjs_Ionic - Fatal编程技术网

Angularjs 从Ctrl更改导航栏中的标题

Angularjs 从Ctrl更改导航栏中的标题,angularjs,ionic,Angularjs,Ionic,你好,我是应用程序中的新用户,我想做的是根据用户所在的页面更改应用程序页面的标题。例如,如果用户在主页上,则应在顶部显示主页。如果用户在另一页上,则应在顶部显示另一个 每个页面都有自己的控制器,我为我的应用程序创建了一个名为AppCtrl的父控制器,并将其放在窗格中: <ion-pane ng-controller="AppCtrl"> </ion-pane> 这是我的index.html <!DOCTYPE html> <html> <h

你好,我是应用程序中的新用户,我想做的是根据用户所在的页面更改应用程序页面的标题。例如,如果用户在主页上,则应在顶部显示主页。如果用户在另一页上,则应在顶部显示另一个

每个页面都有自己的控制器,我为我的应用程序创建了一个名为
AppCtrl
的父控制器,并将其放在窗格中:

<ion-pane ng-controller="AppCtrl">
</ion-pane>
这是我的index.html

<!DOCTYPE html>
<html>
<head>
    <meta charset="utf-8">
    <meta name="viewport" content="initial-scale=1, maximum-scale=1, user-scalable=no, width=device-width">
    <title></title>


    <!-- compiled css output -->
    <link href="css/ionic.app.css" rel="stylesheet">

    <!-- custom css styles -->
    <link href="css/style.css" rel="stylesheet">

    <!-- ionic/angularjs js -->
    <script src="lib/ionic/js/ionic.bundle.js"></script>

    <!-- cordova script (this will be a 404 during development) -->
    <script src="cordova.js"></script>

    <!-- your app's js -->
    <script src="js/app.js"></script>
    <script src="js/app.ctrls.js"></script>
</head>
<body ng-app="mtgh">

<ion-pane ng-controller="AppCtrl">
    <!-- </header + navbar> -->
    <ion-side-menus enable-menu-with-back-views="false">
        <ion-side-menu-content>
            <ion-nav-bar class="bar-stable bar-header-shadow has-header">
                <ion-nav-back-button>
                </ion-nav-back-button>

                <ion-nav-buttons side="left">
                    <button class="button button-icon button-clear ion-navicon" menu-toggle="left">
                    </button>

                    <h1 class="title">
                        <i class="{{ title.icon }}"></i> {{ title.name }}
                    </h1>
                </ion-nav-buttons>
            </ion-nav-bar>

            <ion-nav-view name="content">
            </ion-nav-view>
        </ion-side-menu-content>

        <h1 class="title">
            <img src="img/logo-94x35.png" alt="Starter" title="Starter">
        </h1>

        <ion-side-menu side="left">
            <ion-header-bar class="bar-stable">
                <h1 class="title">
                    <img src="img/logo-94x35.png" alt="Starter" title="Starter">
                </h1>
            </ion-header-bar>
            <ion-content>
                <ion-list>
                    <ion-item menu-close="" ng-click="login()">
                        Login
                    </ion-item>
                    <ion-item menu-close="" href="#/app/search">
                        Search
                    </ion-item>
                    <ion-item menu-close="" href="#/app/browse">
                        Browse
                    </ion-item>
                    <ion-item menu-close="" href="#/app/playlists">
                        Playlists
                    </ion-item>
                </ion-list>
            </ion-content>
        </ion-side-menu>
    </ion-side-menus>
    <!-- </header> -->

    <!-- <footer> -->
    <ion-footer-bar class="bar-stable">
        <h1 class="title">Starter</h1>
    </ion-footer-bar>
    <!-- </footer> -->

</ion-pane>

</body>
</html>

{{title.name}
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开胃菜

您可以将changeTitle函数设置为在您的run方法中使用,以便全局设置。下面的plunker使用just title.name显示了这一点,您只需要替换主导航中的title元素

您也会注意到,我在控制器中去掉了本地作用域标题引用,这是因为AngularJS中作用域的分层方式,如果在当前子作用域中找不到项,它将查找链,在本例中,该链直接指向根作用域

参考代码:

app.js:

var-app=angular.module('plunker',['ngRoute']);
app.config(['$routeProvider',函数($routeProvider){
$routeProvider。
当(“/”{
控制器:“MainCtrl”,
模板:“”
}).
当(“/home”{
控制器:“HomeCtrl”,
模板:“在家”
})
}]);
app.run(['$rootScope',函数($rootScope){
$rootScope.changeTitle=函数(名称、图标){
$rootScope.title={
姓名:姓名,,
图标:图标
};
} 
}]);
应用程序控制器('MainCtrl',函数($scope){
$scope.changetTitle('Main','ion settings');
});
app.controller('HomeCtrl',函数($scope,$rootScope){
$scope.changeTitle('Home','ion Home');
})
index.html:


{{title.name}
文件。写(“”);
{{title.name}

要做什么?我想设置一个自定义名称,而不是使用状态或位置名称/路径。我看不到任何允许我为页面设置自定义标题的内容。关于广播的一条注释,因为它位于主循环中,直接影响范围元素,您不需要广播更改,因为它将直接更新{{title.name}}是的任何绑定元素。哇,好吧,plunkr似乎没有显示。我更新了plunker链接,可以从多个浏览器访问它,所以现在应该可以使用了。哦,您会注意到我正在从路由器应用控制器,你应该过渡到这一点,因为当你在导航台周围移动时,它会给你更精确的控制。带有导航菜单的plunker版本位于
 // Home View Controller
        .controller("HomeCtrl", function($scope, $rootScope) {

            // Setting Title
            $scope.changeTitle('Home', 'ion-home');

        })
<!DOCTYPE html>
<html>
<head>
    <meta charset="utf-8">
    <meta name="viewport" content="initial-scale=1, maximum-scale=1, user-scalable=no, width=device-width">
    <title></title>


    <!-- compiled css output -->
    <link href="css/ionic.app.css" rel="stylesheet">

    <!-- custom css styles -->
    <link href="css/style.css" rel="stylesheet">

    <!-- ionic/angularjs js -->
    <script src="lib/ionic/js/ionic.bundle.js"></script>

    <!-- cordova script (this will be a 404 during development) -->
    <script src="cordova.js"></script>

    <!-- your app's js -->
    <script src="js/app.js"></script>
    <script src="js/app.ctrls.js"></script>
</head>
<body ng-app="mtgh">

<ion-pane ng-controller="AppCtrl">
    <!-- </header + navbar> -->
    <ion-side-menus enable-menu-with-back-views="false">
        <ion-side-menu-content>
            <ion-nav-bar class="bar-stable bar-header-shadow has-header">
                <ion-nav-back-button>
                </ion-nav-back-button>

                <ion-nav-buttons side="left">
                    <button class="button button-icon button-clear ion-navicon" menu-toggle="left">
                    </button>

                    <h1 class="title">
                        <i class="{{ title.icon }}"></i> {{ title.name }}
                    </h1>
                </ion-nav-buttons>
            </ion-nav-bar>

            <ion-nav-view name="content">
            </ion-nav-view>
        </ion-side-menu-content>

        <h1 class="title">
            <img src="img/logo-94x35.png" alt="Starter" title="Starter">
        </h1>

        <ion-side-menu side="left">
            <ion-header-bar class="bar-stable">
                <h1 class="title">
                    <img src="img/logo-94x35.png" alt="Starter" title="Starter">
                </h1>
            </ion-header-bar>
            <ion-content>
                <ion-list>
                    <ion-item menu-close="" ng-click="login()">
                        Login
                    </ion-item>
                    <ion-item menu-close="" href="#/app/search">
                        Search
                    </ion-item>
                    <ion-item menu-close="" href="#/app/browse">
                        Browse
                    </ion-item>
                    <ion-item menu-close="" href="#/app/playlists">
                        Playlists
                    </ion-item>
                </ion-list>
            </ion-content>
        </ion-side-menu>
    </ion-side-menus>
    <!-- </header> -->

    <!-- <footer> -->
    <ion-footer-bar class="bar-stable">
        <h1 class="title">Starter</h1>
    </ion-footer-bar>
    <!-- </footer> -->

</ion-pane>

</body>
</html>
var app = angular.module('plunker', ['ngRoute']);

app.config(['$routeProvider', function($routeProvider){
  $routeProvider.
  when('/', {
    controller: 'MainCtrl',
    template: '<div><a href="#/home">Go Home</a></div>'
  }).
  when('/home', {
    controller: 'HomeCtrl',
    template: '<div>At Home <a href="#/">Go Back</a></div>'
  })
}]);

app.run(['$rootScope',function($rootScope){
  $rootScope.changeTitle = function(name, icon) {
    $rootScope.title = {
      name: name,
      icon: icon
    };
  } 
}]);

app.controller('MainCtrl', function($scope) {
  $scope.changeTitle('Main', 'ion-settings');
});

app.controller('HomeCtrl', function($scope, $rootScope){
  $scope.changeTitle('Home', 'ion-home');
})
<!DOCTYPE html>
<html ng-app="plunker">

  <head>
    <meta charset="utf-8" />
    <title>{{title.name}}</title>
    <script>document.write('<base href="' + document.location + '" />');</script>
    <link rel="stylesheet" href="style.css" />
    <script data-require="angular.js@1.4.x" src="https://ajax.googleapis.com/ajax/libs/angularjs/1.4.7/angular.js" data-semver="1.4.7"></script>
    <script data-require="angular-route@1.4.6" data-semver="1.4.6" src="https://code.angularjs.org/1.4.6/angular-route.js"></script>
    <script src="app.js"></script>
  </head>

  <body>
    <h1>{{title.name}}</h1>
    <div ng-view></div>
  </body>

</html>