Question

如何在路线上观看/触发事件？

Answer 1

注意：这是AngularJS旧版本的正确答案。有关更新版本，请参阅this question。

$scope.$on('$routeChangeStart', function($event, next, current) { 
   // ... you could trigger something here ...
 });

以下事件也可用（它们的回调函数使用不同的参数）：

$ routeChangeSuccess
$ routeChangeError
$ routeUpdate - 如果reloadOnSearch属性设置为false

请参阅$route文档。

还有另外两个undocumented事件：

$ locationChangeStart
$ locationChangeSuccess

请参阅What's the difference between $locationChangeSuccess and $locationChangeStart?

Answer 2

如果您不想将手表放在特定的控制器中，可以在Angular app run()

中添加整个应用程序的手表

var myApp = angular.module('myApp', []);

myApp.run(function($rootScope) {
    $rootScope.$on("$locationChangeStart", function(event, next, current) { 
        // handle route changes     
    });
});

Answer 3

$rootScope.$on( "$routeChangeStart", function(event, next, current) {
  //..do something
  //event.stopPropagation();  //if you don't want event to bubble up 
});

Answer 4

$rootScope.$on( "$routeChangeStart", function(event, next, current) {
  //if you want to interrupt going to another location.
  event.preventDefault();  });

Answer 5

由于某种原因，使用 $routeChangeStart 事件

建议的解决方案对我不起作用

如果您遇到同样的问题，请尝试：

$scope.$on('$stateChangeStart', function(evt, toState, toParams, fromState, fromParams) { 
   // ... you could trigger something here ...
 });

在我的配置中，我使用来自节点包管理器（又名 npm）的 @ui-router/angularjs（又名 angular-ui-router）

Answer 6

这是针对整个初学者...像我这样：

HTML：

  <ul>
    <li>
      <a href="#"> Home </a>
    </li>
    <li>
      <a href="#Info"> Info </a>
    </li>
  </ul>

  <div ng-app="myApp" ng-controller="MainCtrl">
    <div ng-view>

    </div>
  </div>

角度：

//Create App
var app = angular.module("myApp", ["ngRoute"]);

//Configure routes
app.config(function ($routeProvider) {
    $routeProvider
      .otherwise({ template: "<p>Coming soon</p>" })
      .when("/", {
        template: "<p>Home information</p>"
      })
      .when("/Info", {
        template: "<p>Basic information</p>"
        //templateUrl: "/content/views/Info.html"
      });
});

//Controller
app.controller('MainCtrl', function ($scope, $rootScope, $location) {
  $scope.location = $location.path();
  $rootScope.$on('$routeChangeStart', function () {
    console.log("routeChangeStart");
   //Place code here:....
   });
});

希望这对像我这样的初学者有帮助。这是完整的工作示例：

<html>
<head>
  <script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.5.6/angular.min.js"></script>
  <script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.5.6/angular-route.min.js"></script>
</head>
<body>
  <ul>
    <li>
      <a href="#"> Home </a>
    </li>
    <li>
      <a href="#Info"> Info </a>
    </li>
  </ul>

  <div ng-app="myApp" ng-controller="MainCtrl">
    <div ng-view>

    </div>
  </div>
  <script>
//Create App
var app = angular.module("myApp", ["ngRoute"]);

//Configure routes
app.config(function ($routeProvider) {
    $routeProvider
      .otherwise({ template: "<p>Coming soon</p>" })
      .when("/", {
        template: "<p>Home information</p>"
      })
      .when("/Info", {
        template: "<p>Basic information</p>"
        //templateUrl: "/content/views/Info.html"
      });
});

//Controller
app.controller('MainCtrl', function ($scope, $rootScope, $location) {
  $scope.location = $location.path();
  $rootScope.$on('$routeChangeStart', function () {
    console.log("routeChangeStart");
   //Place code here:....
   });
});
  </script>
</body>
</html>

如何在AngularJS中观察路线变化？

6 个答案: