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
自定义弹窗
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>
