Home > Web Front-end > JS Tutorial > body text

js implements custom routing

高洛峰
Release: 2017-02-06 11:11:11
Original
1015 people have browsed it

This article implements custom routing, mainly the use of event hashchange, and then encapsulates it according to our business needs.

First implement a router class and instantiate it.

function _router(config){
 this.config = config ? config : {}; 
} 
_router.prototype = {
 event:function(str,callback){
  var events = str.split(' ');
  for (var i in events) window.addEventListener(events[i],callback,false);
 },
init: function() {
 this.event('load hashchange',this.refresh.bind(this));
 return this;
},
refresh: function() {
 this.currentUrl = location.hash.slice(1) || '/';
 this.config[this.currentUrl]();
},
route: function(path,callback){
 this.config[path] = callback || function(){};
}
}
function router (config){
 return new _router(config).init();
}
Copy after login

The only thing that needs to be noted above is that when using addEventListener, you need to pay attention to the use of the bind function, because I stepped on a trap and realized $.proxy().

You can use two methods to register when using it above, but the second one depends on the first one.

Method one:

var Router = router({
 '/' : function(){content.style.backgroundColor = 'white';},
 '/1': function(){content.style.backgroundColor = 'blue';},
 '/2': function(){content.style.backgroundColor = 'green';}
})
Copy after login

Method two:

Router.route('/3',function(){ content.style.backgroundColor = 'yellow'; })

Complete code:

<html>
 <head>
  <title></title>
 </head>
 <body>
  <ul>
   <li><a href="#/1">/1: blue</a></li>
   <li><a href="#/2">/2: green</a></li>
   <li><a href="#/3">/3: yellow</a></li>
  </ul>
  <script>
  var content = document.querySelector(&#39;body&#39;);
  function _router(config){
   this.config = config ? config : {}; 
  } 
  _router.prototype = {
   event:function(str,callback){
    var events = str.split(&#39; &#39;);
    for (var i in events) window.addEventListener(events[i],callback,false);
   },
   init: function() {
    this.event(&#39;load hashchange&#39;,this.refresh.bind(this));
    return this;
   },
   refresh: function() {
    this.currentUrl = location.hash.slice(1) || &#39;/&#39;;
    this.config[this.currentUrl]();
   },
   route: function(path,callback){
    this.config[path] = callback || function(){};
   }
  }
  function router (config){
   return new _router(config).init();
  }
  var Router = router({
   &#39;/&#39; : function(){content.style.backgroundColor = &#39;white&#39;;},
   &#39;/1&#39;: function(){content.style.backgroundColor = &#39;blue&#39;;},
   &#39;/2&#39;: function(){content.style.backgroundColor = &#39;green&#39;;}
  })
  Router.route(&#39;/3&#39;,function(){
   content.style.backgroundColor = &#39;yellow&#39;;
  })
  </script>
 </body>
</html>
<script> 
</script>
Copy after login

The above is the entire content of this article. I hope that the content of this article can bring some help to everyone's study or work. I also hope to support the PHP Chinese website!

For more articles related to js implementation of custom routing, please pay attention to the PHP Chinese website!

Related labels:
source:php.cn
Statement of this Website
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn
Popular Tutorials
More>
Latest Downloads
More>
Web Effects
Website Source Code
Website Materials
Front End Template