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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Title</title>
<script src="./vue.js"></script>
</head>
<body>
<div id="app">
<input type="text" v-model="inputValue">
<button @click="handleClick">提交</button>
<ul>
<todo-item @content="item"
@index="index"
v-for="(item, index) in list"
@delete="handleItemDelete"
></todo-item>
</ul>
</div>
<script>
// 全局的组件
/*Vue.component("TodoItem", {
props: ['content'],
template: "<li>{{content}}</li>"
});*/
// 局部组件
var TodoItem = {
props: ['content', 'index'],
template: "<li @click='handleItemClick'>{{content}}</li>",
methods: {
handleItemClick: function () {
this.$emit('delete', this.index); // 向外出发事件
}
}
}
var app = new Vue({
el: '#app',
components: {
TodoItem: TodoItem
},
data: {
list: [],
inputValue: ''
},
methods: {
handleClick: function () {
this.list.push(this.inputValue);
this.inputValue = '';
},
handleItemDelete: function (index) {
this.list.splice(index, 1);
}
}
});
</script>
</body>
</html>