initialize

优质

小牛编辑

125浏览

2023-12-01

描述 (Description)

它为路由器实例化创建了一个新的构造函数。

语法 (Syntax)

new Router(options)

参数 (Parameters)

options - 将这些传递给初始化函数。

例子 (Example)

<!DOCTYPE html>
<html>
   <head>
      <title>Router Example</title>
      <script src = "https://code.jquery.com/jquery-2.1.3.min.js"
         type = "text/javascript"></script>
      <script src = "https://cdnjs.cloudflare.com/ajax/libs/underscore.js/1.8.2/underscore-min.js"
         type = "text/javascript"></script>
      <script src = "https://cdnjs.cloudflare.com/ajax/libs/backbone.js/1.1.2/backbone-min.js"
         type = "text/javascript"></script>
   </head>
   <body>
      <script type = "text/javascript">
         //'Router' is a name of the router class
         var Router = Backbone.Router.extend ({
         //The 'routes' maps URLs with parameters to functions on your router
            routes: {
               '': 'myroute_1',
               'myroute_2': 'myroute_2'
            },
            //After executing the code, it will display this line
            myroute_1: function() {
               document.write("myroute one has been called.");
            },
            //When you enter the #myroute_2 at the end of url, it will display this line
            myroute_2: function() {
               document.write("myroute two has been called.");
            },
         });
         //It is an instantiation of the router using the 'new' keyword
         var appRouter = new Router;  
         //It start listening to the routes and manages the history for bookmarkable URL's
         Backbone.history.start();
      </script>
   </body>
</html>

输出 (Output)

让我们执行以下步骤来查看上述代码的工作原理 -

将上述代码保存在initialize.htm文件中。
在浏览器中打开此HTML文件。

NOTE - 以上功能与地址栏有关。因此，当您在浏览器中打开上述代码时，它将显示如下结果。