Vue自定义弹窗指令的实现代码

Z时代
2024-01-10
分类：综合

目标

使用vue2.0实现自定义弹窗指令，当标签有该指令时，点击标签可以弹出弹窗

实现


<!DOCTYPE html>
<html lang="en">
<head>
 <meta charset="UTF-8">
 <meta name="viewport" content="width=device-width, initial-scale=1.0">
 <meta http-equiv="X-UA-Compatible" content="ie=edge">
 <title>Document</title>
 <script src="https://cdn.jsdelivr.net/npm/vue@2.5.16/dist/vue.js"></script>
</head>
<body>
 <div id="app">
  <button id="btn" v-popup="{text: '这是一个自定义的弹窗'}">点击我弹窗哈哈哈</button>
  <div id="d"></div>
 </div>
 <script>
   Vue.directive('popup', {
    inserted: function (el, binding) {
     // console.log(binding.value.text)
     var o = el;
     var myDiv = document.createElement('div');
     myDiv.style.width = '300px';
     // myDiv.style.height = '130px';
     myDiv.style.position = 'fixed';
     myDiv.style.top = '50%';
     myDiv.style.left = '50%';
     myDiv.style.transform = 'translate(-50%, -100%)';
     myDiv.style.zIndex = '100';
     myDiv.style.backgroundColor = '#f3f5f8';
     myDiv.style.display = 'none';
     myDiv.style.textAlign = 'center';
     myDiv.style.paddingTop = '15px'
     myDiv.style.borderRadius = '5px';
     myDiv.style.borderWidth = '1px';
     myDiv.style.borderStyle = 'solid';
     myDiv.style.borderColor = '#696969';
     var myContent = document.createElement('p');
     var myText = document.createTextNode(binding.value.text);
     var btnWrapper = document.createElement('div')
     btnWrapper.style.marginTop = '20px'
     btnWrapper.style.marginBottom = '20px'
     var myConfirm = document.createElement('input');
     myConfirm.type = 'button';
     myConfirm.value = '确定';
     myConfirm.style.marginRight = '15px'
     var myCancel = document.createElement('input');
     myCancel.type = 'button';
     myCancel.value = '取消';
     btnWrapper.appendChild(myConfirm)
     btnWrapper.appendChild(myCancel)
     myDiv.appendChild(myContent.appendChild(myText))
     myDiv.appendChild(btnWrapper)
     document.body.appendChild(myDiv);
     o.onclick = function (event) {
      myDiv.style.display = 'block'
     }
     myConfirm.onclick = function (event) {
      myDiv.style.display = 'none'
     }
     myCancel.onclick = function (event) {
      myDiv.style.display = 'none'
     }
    }
   })
   var vm = new Vue({
    el: '#app',
    data:{
    }
   })
 </script>
</body>
</html>