Collection
Collection
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>todos-vuejs</title>
<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=0">
<meta name="apple-mobile-web-app-capable" content="yes">
<meta name="apple-mobile-web-app-status-bar-style" content="black">
<link rel="stylesheet" href="https://cdn.bootcss.com/bootstrap/3.0.0-rc1/css/bootstrap.min.css">
<script src="https://cdn.bootcss.com/jquery/1.7.2/jquery.min.js"></script>
<script src="https://cdn.bootcss.com/bootstrap/2.0.1/bootstrap.min.js"></script>
<script src="https://cdn.bootcss.com/vue/1.0.25-csp/vue.min.js"></script>
<script>
const STORAGE_KEY = 'todos-vuejs'
window.onload = function(){
new Vue({
el:'#box',
data:{
myData:JSON.parse(window.localStorage.getItem(STORAGE_KEY) || '[]'),
username:'',
age:'',
nowIndex:-100
},
methods:{
//添加用户
add:function(){
this.myData.push({'name':this.username,'age':this.age})
this.username = ''
this.age = ''
},
//删除用户
remove:function(n){
if(n ==-2){
this.myData= []
}else{
this.myData.splice(n,1)
}
},
//重置输入框
reset:function(){
this.username = ''
this.age = ''
}
},
//监听数据变化并存入到localStorage中
watch: {
myData: {
handler(items) {
window.localStorage.setItem(STORAGE_KEY,JSON.stringify(items))
},
deep: true
}
}
})
}
</script>
</head>
<body>
<div id="box">
<form>
<div>
<label>用户名</label>
<input type="text" id ='username' placeholder='请输入用户名' v-model='username' />
</div>
<div>
<label>年龄</label>
<input type="text" id ='age' placeholder='请输入年龄' v-model='age'/>
</div>
<div>
<input type="button" value = '添加' class='btn btn-primary btn-sm' v-on:click="add()" />
<input type="reset" value = '重置' class='btn btn-danger btn-sm' @click = 'reset()'/>
</div>
</form>h
<hr>
<div>
<p class="h3 text-info text-center">用户信息表</p>
<table class="table table-bordered table-hover text-center">
<tr>
<th>序号</th>
<th>名字</th>
<th>年龄</th>
<th>操作</th>
</tr>
<tr v-for = "item in myData ">
<td>{{$index+1}}</td>
<td>{{item.name}}</td>
<td>{{item.age}}</td>
<td>
<input type="button" class="btn btn-danger btn-sm" value='删除' data-toggle='modal' data-target='#layer' v-on:click="nowIndex = $index" />
</td>
</tr>
<tr v-if='myData.length!=0' class="text-right">
<td colspan="4">
<input type="button" class="btn btn-danger btn-sm" value='删除全部' @click='nowIndex = -2' data-toggle='modal' data-target='#layer' />
</td>
</tr>
<tr v-if='myData.length==0'>
<td colspan="4" class="text-center text-muted">
<p>暂无数据 </p>
</td>
</tr>
</table>
</div>
<div role='dialog' class="modal fade bs-examle-modal-sm" id="layer">
<div>
<div>
<div>
<button type="button" data-dismiss='modal'>
<span>×.</span>
</button>
<h4>确认删除吗</h4>
</div>
<div class="modal-body text-right">
<button data-dismiss='modal' type="button" class="btn btn-primary btn-sm">取消</button>
<button data-dismiss='modal' type="button" class="btn btn-danger btn-sm" @click='remove(nowIndex)'>确认</button>
</div>
</div>
</div>
</div>
</div>
</body>
</html>
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