Todolist案例
准备工作
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title></title>
<!-- 开发环境版本 -->
<script src="https://cdn.jsdelivr.net/npm/vue/dist/vue.js"></script>
</head>
<body>
<div id="app">
<input type="text"> <button>添加</button>
<hr/>
<ul>
<li>1</li>
<li>2</li>
<li>3</li>
</ul>
</div>
</body>
<script type="text/javascript">
var app = new Vue({
el: '#app',
data: {
items:['学习Vue','学习Django基础','学习Django前台'],
},
methods:{
}
})
</script>
</html>
列表数据渲染
<ul>
<li v-for="item in items">{{item}}</li>
</ul>
绑定数据能够添加到列表中
<body>
<div id="app">
<input type="text" v-model="newitem"> <button @click="addNetItem">添加</button>
<hr/>
<ul>
<li v-for="item in items">{{item}}</li>
</ul>
</div>
</body>
<script type="text/javascript">
var app = new Vue({
el: '#app',
data: {
items:['学习Vue','学习Django基础','学习Django前台'],
newitem:'',
},
methods:{
addNetItem:function(){
this.items.push(this.newitem);
this.newitem='';
}
}
})
</script>
</html>
实现删除功能
<div id="app">
<input type="text" v-model="newitem"> <button @click="addNetItem">添加</button>
<hr/>
<ul>
<li v-for="(item,index) in items">
<span>{{item}}</span>
<a href="javascript:;" @click="deleteItem(index)">删除</a>
</li>
</ul>
</div>
</body>
<script type="text/javascript">
var app = new Vue({
el: '#app',
data: {
items:['学习Vue','学习Django基础','学习Django前台'],
newitem:'',
},
methods:{
addNetItem:function(){
this.items.push(this.newitem);
this.newitem='';
},
deleteItem:function(index){
this.items.splice(index,1)
}
}
})
</script>
</html>
添加移动按钮,实现移动功能
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title></title>
<!-- 开发环境版本 -->
<script src="https://cdn.jsdelivr.net/npm/vue/dist/vue.js"></script>
</head>
<body>
<div id="app">
<input type="text" v-model="newitem"> <button @click="addNetItem">添加</button>
<hr/>
<ul>
<li v-for="(item,index) in items">
<a href="javascript:;" @click="upItem(index)">↑</a>
<span>{{item}}</span>
<a href="javascript:;" @click="downItem(index)">↓</a>
<a href="javascript:;" @click="deleteItem(index)">删除</a>
</li>
</ul>
</div>
</body>
<script type="text/javascript">
var app = new Vue({
el: '#app',
data: {
items:['学习Vue','学习Django基础','学习Django前台'],
newitem:'',
},
methods:{
addNetItem:function(){
this.items.push(this.newitem);
this.newitem='';
},
deleteItem:function(index){
this.items.splice(index,1);
},
upItem:function(index){
current=this.items[index];
this.items.splice(index,1);
this.items.splice(index-1,0,current);
},
downItem:function(index){
current=this.items[index];
this.items.splice(index,1);
this.items.splice(index+1,0,current);
}
}
})
</script>
</html>