単純なコンポーネント間で値を渡す
すばやく理解する方法。コードを
見てくださいvar app = new Vue。実際、オブジェクト全体を見てください。
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
<script src='./vue.js'></script>
</head>
<body>
<div id="root">
<input type="text" v-model="todoValue"/>
<button @click="handleBtnClick">提交</button>
<ul>
<todo-item :content="item"
:index="index"
v-for="(item, index) in list"
@delete="handleItemDelete">
</todo-item>
</ul>
</div>
<script>
var TodoItem = {
props: ['content', 'index'],
template: "<li @click='handleItemClick'>{
{content}}</li>",
methods: {
handleItemClick: function() {
this.$emit("delete", this.index);
}
}
}
var app = new Vue({
el: '#root',
components: {
TodoItem: TodoItem
},
data: {
todoValue: "",
list: []
},
methods: {
handleBtnClick: function() {
this.list.push(this.todoValue)
this.todoValue = ""
},
handleItemDelete: function(index) {
this.list.splice(index, 1)
}
}
})
</script>
</body>
</html>