Vue.js:vue.js简单Demo以及vue.js原理

<!DOCTYPE html>
<html>

	<head>
		<meta charset="UTF-8">
		<title></title>
		<link rel="stylesheet" href="styles/demo.css" />
	</head>

	<body>
		<div id="app">
			<fieldset>
				<legend>
					Create New Person
				</legend>
				<div class="form-group">
					<label>Name:</label>
					<input type="text" v-model="newPerson.name"/>
				</div>
				<div class="form-group">
					<label>Age:</label>
					<input type="text" v-model="newPerson.age"/>
				</div>
				<div class="form-group">
					<label>Sex:</label>
					<select v-model="newPerson.sex">
					<option value="Male">Male</option>
					<option value="Female">Female</option>
				</select>
				</div>
				<div class="form-group">
					<label></label>
					<button @click="createPerson">Create</button>
				</div>
		</fieldset>
		<table>
			<thead>
				<tr>
					<th>Name</th>
					<th>Age</th>
					<th>Sex</th>
					<th>Delete</th>
				</tr>
			</thead>
			<tbody>
				<tr v-for="(person, index) in people">
					<td>{{ person.name }}</td>
					<td>{{ person.age }}</td>
					<td>{{ person.sex }}</td>
					<td :class="'text-center'"><button @click="deletePerson(index)">Delete</button></td>
				</tr>
			</tbody>
		</table>
		</div>
	</body>
	<script src="https://cdn.jsdelivr.net/npm/vue"></script>
	<script>
		var vm = new Vue({
			el: '#app',
			data: {
				newPerson: {
					name: '',
					age: 0,
					sex: 'Male'
				},
				people: [{
					name: 'Jack',
					age: 30,
					sex: 'Male'
				}, {
					name: 'Bill',
					age: 26,
					sex: 'Male'
				}, {
					name: 'Tracy',
					age: 22,
					sex: 'Female'
				}, {
					name: 'Chris',
					age: 36,
					sex: 'Male'
				}]
			},
			methods:{
				createPerson: function(){
					this.people.push(this.newPerson);
					// 添加完newPerson对象后，重置newPerson对象
					this.newPerson = {name: '', age: 0, sex: 'Male'}
				},
				deletePerson: function(index){
					// 删一个数组元素
					this.people.splice(index,1);
				}
			}
		})
	</script>

</html>

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box
}

html {
    font-size: 12px;
    font-family: Ubuntu, simHei, sans-serif;
    font-weight: 400
}

body {
    font-size: 1rem
}

table,
td,
th {
    border-collapse: collapse;
    border-spacing: 0
}

table {
    width: 100%
}

td,
th {
    border: 1px solid #bcbcbc;
    padding: 5px 10px
}

th {
    background: #42b983;
    font-size: 1.2rem;
    font-weight: 400;
    color: #fff;
    cursor: pointer
}

tr:nth-of-type(odd) {
    background: #fff
}

tr:nth-of-type(even) {
    background: #eee
}

fieldset {
    border: 1px solid #BCBCBC;
    padding: 15px;
}

input {
    outline: none
}

input[type=text] {
    border: 1px solid #ccc;
    padding: .5rem .3rem;
}

input[type=text]:focus {
    border-color: #42b983;
}

button {
    outline: none;
    padding: 5px 8px;
    color: #fff;
    border: 1px solid #BCBCBC;
    border-radius: 3px;
    background-color: #009A61;
    cursor: pointer;
}
button:hover{
    opacity: 0.8;
}

#app {
    margin: 0 auto;
    max-width: 640px
}

.form-group {
    margin: 10px;
}

.form-group > label {
    display: inline-block;
    width: 10rem;
    text-align: right;
}

.form-group > input,
.form-group > select {
    display: inline-block;
    height: 2.5rem;
    line-height: 2.5rem;
}

.text-center{
    text-align: center;
}

.pagination {
    display: inline-block;
    padding-left: 0;
    margin: 21px 0;
    border-radius: 3px;
}

.pagination > li {
    display: inline;
}

.pagination > li > a {
    position: relative;
    float: left;
    padding: 6px 12px;
    line-height: 1.5;
    text-decoration: none;
    color: #009a61;
    background-color: #fff;
    border: 1px solid #ddd;
    margin-left: -1px;
    list-style: none;
}

.pagination > li > a:hover {
    background-color: #eee;
}

.pagination .active {
    color: #fff;
    background-color: #009a61;
    border-left: none;
    border-right: none;
}

.pagination .active:hover {
    background: #009a61;
    cursor: default;
}

.pagination > li:first-child > a .p {
    border-bottom-left-radius: 3px;
    border-top-left-radius: 3px;
}

.pagination > li:last-child > a {
    border-bottom-right-radius: 3px;
    border-top-right-radius: 3px;
}

View Code

vue的核心是数据绑定，那么他是如何实现数据绑定？

首选第一个名词访问器属性 get和set 每个对象都有，通过set和get设置的属性优先级高于同级属性

Vue.js:vue.js简单Demo以及vue.js原理

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