Vue-propsとthis.emit()
10118 ワード
<!DOCTYPE html>
<html lang="en" xmlns:v-bind="http://www.w3.org/1999/xhtml">
<head>
<meta charset="UTF-8">
<title>Title</title>
<!-- , -->
<script src="https://cdn.jsdelivr.net/npm/vue/dist/vue.js"></script>
</head>
<body>
<div id="app">
<todo>
<todo-title slot="todo-title" :ctitle="title"></todo-title>
<todo-items slot="todo-items" v-for="(item,index) in items" :citem="item" @remove="removeItem(index)"></todo-items>
</todo>
</div>
<script>
Vue.component("todo", {
template:
'' +
'' +
''
+
'' +
'' +
''
});
Vue.component("todo-title", {
props: ['ctitle'],
template: '{{ctitle}}'
});
Vue.component("todo-items", {
props: ['citem'],//props vue data , vue vue
template: '{{citem}} ',
methods: {
cremove: function (index) {
//this.$emit() vue , vue vue
this.$emit("remove", index);// remove , vue removeItem
}
}
});
var vm = new Vue({
el: '#app',
data: {
title: ' ',
items: [' ', ' ']
},
methods: {
removeItem: function(index) {
this.items.splice(index);
}
}
});
</script>
</body>
</html>