写引用了为什么提示指令未解决？
HTML页
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Document</title>
<style type="text/css">
[v-cloak]{
display: none;
}
</style>
</head>
<body>
<div id="app" v-cloak>
<div class="main" v-clickoutside="handleClose">
<button @click="show =!show">点击显示下拉菜单</button>
<div class="dropdown" v-show="show">
<p>下拉框内容点击外侧区域可关闭</p>
</div>
</div>
</div>
<script type="text/javascript" src="./vue.js"></script>
<script type="text/javascript" src="./index.js"></script>
<script type="text/javascript" src="chickoutside.js"></script>
</body>
</html>
index页
var app =new Vue({
el:'#app',
data: {
show:false
},
methods:{
handleClose:function(){
this.show=false;
}
}
});
clickoutside页
Vue.directive('clickoutside',{
bind:function(el,binding,vnode){
function documentHandler (e){
if (el.contains(e.target)) {
return false;
}
if (binding.expression) {
binding.value(e);
}
}
el._vueClickOutside_=documentHandler;
document.addEventListener('click',documentHandler);
},
unbind:function(el,binding){
document.removeEventListener('click',el._vueClickOutside_);
delete el._vueClickOutside_;
}
});
生物怪兽1回答
-
慕设计2395807
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
pardon110
全局自定义指令，书写位置需要在vue实例创建之前使用。换句话来讲，Vue.directive(...)部分，你应该写在new Vue 代码之前。
随时随地看视频慕课网APP
相关分类
JavaScript
Vue.js