// TodoList 实例
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>This is todo List</title>
<style type="text/css">
.isFinshed{font-size: 20px; font-weight: 800; color: red;}
</style>
</head>
<body>
<div id="app">
<input type="text" v-model="message" @keyup.enter="itemsPush">
<ol>
<todo-item v-for="(item, index) in items" :key="index" :content="item.label" :index="index" @delete="todoListDelete" :class="{isFinshed: item.isFinshed}"></todo-item>
</ol>
</div>
</body>
<script src="https://cdn.bootcss.com/vue/2.4.2/vue.min.js"></script>
<script type="text/javascript"> Vue.component('todo-item', {
props: ['content', 'index'],
template: '<li @click="handleClick">{{ content }}</li>',
methods: {
handleClick: function () {
this.$emit('delete', this.index)
}
},
})
// Vue Instance
let app = new Vue({
el: '#app',
data: {
message: '',
items: [
{
label: 'makeing',
isFinshed: true,
},
{
label: 'coding',
isFinshed: true,
},
{
label: 'walking',
isFinshed: false,
},
],
},
methods: {
// delete element or change element Sytle
todoListDelete: function (index) {
this.items.splice(index, 1);
// this.items[index].isFinshed = ! this.items[index].isFinshed;
},
// add new element
itemsPush: function () {
this.items.push({
label: this.message,
isFinshed: false,
});
this.message = '';
},
},
})
</script>
</html>
来源：oschina
链接：https://my.oschina.net/u/4402258/blog/3869066