Vue自定义指令拖拽功能示例

时间:2020-05-15 阁下长的好生俊俏人气:0

下面给大家分享vue自定义指令拖拽功能代码，具体代码如下所示：

 <!DOCTYPE html>
<html lang="en">
<head>
 <meta charset="UTF-8">
 <title>实例方法</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>
  //自定义指令
  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>

下面看下Vue自定义键盘信息

<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <title>自定义键盘信息</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>

以上所述是小编给大家介绍的Vue自定义指令拖拽功能及键盘信息，希望对大家有所帮助，如果大家有任何疑问请给我留言，小编会及时回复大家的。在此也非常感谢大家对网站的支持！

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