Vue Custom Directive Drag and Drop Function Example

Below is the code for the Vue custom directive drag functionality, as shown below:

 <!DOCTYPE html>
<html lang="en">
<head>
 <meta charset="UTF-8>
 <title>Instance Methods</title>
 <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=0">
 <meta name="apple-mobile-web-app-capable" content="yes">
 <meta name="apple-mobile-web-app-status-bar-style" content="black">
 <script src="../js/vue1.0.js"></script>
 <script src="../js/vue-resource.js"></script>
 <script>
  //Custom Directive
  Vue.directive('drag',function(){
   var oDiv = this.el;
   oDiv.onmousedown = function(ev){
    var disX = ev.clientX -oDiv.offsetLeft;
    var disY = ev.clientY - oDiv.offsetTop;
    document.onmousemove = function(ev){
     var l = ev.clientX-disX;
     var t = ev.clientY-disY;
     oDiv.style.left = l+'px';
     oDiv.style.top = t+'px';
    };
    document.onmouseup = function(){
     document.onmousemove=null;
     document.onmouseup=null;
    };
   };
  });
  window.onload = function(){
   var vm = new Vue({
    el:'#box',
    data:{}
   });
  }
 </script>
</head>
<body>
<div id="box">
 <div v-drag :style="{width:100px', height:100px', background:'aqua', position:'absolute', right:0, top:0}>
 </div>
</div>
</body>
</html>

Let's take a look at the Vue custom keyboard information

<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8>
  <title>Custom Keyboard Information</title>
  <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=0">
  <meta name="apple-mobile-web-app-capable" content="yes">
  <meta name="apple-mobile-web-app-status-bar-style" content="black">
  <script src="../js/vue1.0.js"></script>
  <script src="../js/vue-resource.js"></script>
  <script>
    Vue.directive('on').keyCodes.ctrl=17;
    Vue.directive('on').keyCodes.myenter=13;
    window.onload = function(){
      var vm = new Vue({
        el:'#box',
        data:{},
        methods:{
          show:function(){
            alert(111);
          }
        }
      });
    }
  </script>
</head>
<body>
<div id="box">
  <input type="text" @keydown.ctrl="show">
  <hr>
  <input type="text" @keydown.myenter="show | debounce 2000">
</div>
</body>
</html>

The above-mentioned is the Vue custom directive drag functionality and keyboard information introduced by the editor for everyone. Hope it will be helpful to everyone. If you have any questions, please leave a message, and the editor will reply to everyone in time. Here we also thank everyone for their support of the Yelling tutorial website!

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