Vuejs幾個小實例

原創 凉城以北夜微凉 2020-02-23 05:26

1、雙向數據綁定

<!DOCTYPE html>
<html>
<head>
<meta charset="utf8">
<style type="text/css">
[v-cloak] {
  display: none;
}
*{
    margin:0;
	padding:0;
}
body{
    font-family:Microsoft YaHei;
    text-align:center;
}
li{
    list-style:none;
}
.tooltip{
	background-color:#5c9bb7;
	border-radius:3px;
	width: 290px;
	padding: 10px;
	position: absolute;
	left:50%;
	margin-left:-150px;
	top: 80px;
}
.tooltip:after{
	content:'';
	position:absolute;
	border:6px solid #5190ac;
	border-color:#5190ac transparent transparent;
	width:0;
	height:0;
	bottom:-12px;
	left:50%;
	margin-left:-6px;
}
.tooltip input{
	border: none;
	width: 100%;
	line-height: 34px;
	border-radius: 3px;
	box-shadow: 0 2px 6px #bbb inset;
	text-align: center;
	font-size: 16px;
	font-family: inherit;
	color: #8d9395;
	font-weight: bold;
	outline: none;
}
p{
	font-size:22px;
	font-weight:bold;
	color:#6d8088;
	height: 30px;
	cursor:pointer;
}
p:before{
	content:'✎';
	display:inline-block;
	margin-right:5px;
	font-weight:normal;
	vertical-align: text-bottom;
}
#main{
	height:300px;
	position:relative;
	padding-top: 150px;
}
</style>
</head>
<body>
	<div id="main" v-cloak @click="hideTooltip">
		<div class="tooltip" v-if="show_tooltip" @click.stop>
			<input type="text" v-model="text_content" />
		</div>
		<p @click.stop="toggleTooltip">{{text_content}}</p>
	</div>
<script src="https://cdn.bootcss.com/vue/2.4.2/vue.min.js"></script>
<script>
	var demo = new Vue({
		el: '#main',
		data: {
			show_tooltip: false,
			text_content: 'Edit me.'
		},
		methods: {
			hideTooltip: function(){
				this.show_tooltip = false;
			},
			toggleTooltip: function(){
				this.show_tooltip = !this.show_tooltip;
			}
		}
	});
</script>
</body>
</html>
2、導航切換 

<!DOCTYPE html>
<html>
<head>
<meta charset="utf8">
<style type="text/css">
*{
	margin:0;
	padding:0;
}
#main{
    width:432px;
    margin:0 auto;
    text-align:center;
}
nav{
	display:inline-block;
	margin:60px auto 45px;
	background-color:#5597b4;
	box-shadow:0 1px 1px #ccc;
	border-radius:2px;
}
nav a{
	display:inline-block;
	padding: 18px 30px;
	color:#fff !important;
	font-weight:bold;
	font-size:16px;
	text-decoration:none !important;
	line-height:1;
	background-color:transparent;
	-webkit-transition:background-color 0.25s;
	-moz-transition:background-color 0.25s;
	transition:background-color 0.25s;
    cursor:pointer;
}
b{
    display:inline-block;
	padding:5px 10px;
	background-color:#c4d7e0;
	border-radius:2px;
	font-size:18px;
}
.show{
    background-color:#e35885;
}
</style>
</head>
<body>
	<div id="main">
		<nav @click.prevent>
			<a v-for="item in items" :class="{'show': item.active}" @click="makeActive(item, $index)">{{item.name}}</a>
		</nav>
		<p>You chose <b>{{active}}</b></p>
	</div>
<script src="https://cdn.bootcss.com/vue/2.4.2/vue.min.js"></script>
<script>
	var vm = new Vue({
	el:'#main',
    data:{
    	active:'HTML',
    	items:[
        	{name:'HTML', active:true},
            {name:'CSS', active:false},
            {name:'JavaScript', active:false},
            {name:'Vue.js', active:false}
        ]
    },
    methods: {
		makeActive: function(item, index){
			this.active = item.name;
            for(var i=0; i<this.items.length;i++){
            	this.items[i].active = false;
            }
            this.items[index].active = true;
		}
	}
});
</script>
</body>
</html>

3、即時搜索

<!DOCTYPE html>
<html>
<head>
<meta charset="utf8">
<style type="text/css">
 [v-cloak] {
  display: none;
}
*{
    margin:0;
	padding:0;
}
body{
    font-family:Microsoft YaHei;
    text-align:center;
}
li{
    list-style:none;
}
.bar{
    background-color:#5c9bb7;
    border-radius: 2px;
    width: 400px;
    padding: 14px;
    margin: 45px auto 20px;
    position:relative;
}

.bar input{
    background:#fff no-repeat 13px 13px;
    background-image:url(data:image/png;base64,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);
    border: none;
    width: 100%;
    line-height: 19px;
    padding: 11px 0;
    border-radius: 2px;
    box-shadow: 0 2px 8px #c4c4c4 inset;
    text-align: left;
    font-size: 14px;
    font-family: inherit;
    color: #738289;
    font-weight: bold;
    outline: none;
    text-indent: 40px;
}

ul{
    list-style: none;
    width: 428px;
    margin: 0 auto;
    text-align: left;
}

ul li{
    border-bottom: 1px solid #ddd;
    padding: 10px;
    overflow: hidden;
}

ul li img{
    width:60px;
    height:60px;
    float:left;
    border:none;
}

ul li p{
    margin-left: 75px;
    font-weight: bold;
    padding-top: 12px;
    color:#6e7a7f;
}
</style>
</head>
<body>
	<div id="main" v-cloak>
		<div class="bar">
			<input type="text" v-model="searchStr" placeholder="Enter your search terms">
		</div>
		<ul>
			<li v-for="a in articles | searchFor searchStr">
				<a :href="a.url"><img :src="a.image" /></a>
				<p>{{a.title}}</p>
		</ul>
	</div>
<script src="https://cdn.bootcss.com/vue/2.4.2/vue.min.js"></script>
<script>
	Vue.filter('searchFor', function (value, searchStr) {
    var result = [];
    if(!searchStr){
        return value;
    }
    searchStr = searchStr.trim().toLowerCase();
    result = value.filter(function(item){
        if(item.title.toLowerCase().indexOf(searchStr) !== -1){
            return item;
        }
    });
    return result;
});

var demo = new Vue({
    el: '#main',
    data: {
        searchStr: "",
        articles: [
            {
                "title": "What You Need To Know About CSS Variables",
                "url": "http://tutorialzine.com/2016/03/what-you-need-to-know-about-css-variables/",
                "image": "http://cdn.tutorialzine.com/wp-content/uploads/2016/03/css-variables-100x100.jpg"
            },
            {
                "title": "Freebie: 4 Great Looking Pricing Tables",
                "url": "http://tutorialzine.com/2016/02/freebie-4-great-looking-pricing-tables/",
                "image": "http://cdn.tutorialzine.com/wp-content/uploads/2016/02/great-looking-pricing-tables-100x100.jpg"
            },
            {
                "title": "20 Interesting JavaScript and CSS Libraries for February 2016",
                "url": "http://tutorialzine.com/2016/02/20-interesting-javascript-and-css-libraries-for-february-2016/",
                "image": "http://cdn.tutorialzine.com/wp-content/uploads/2016/02/interesting-resources-february-100x100.jpg"
            },
            {
                "title": "Quick Tip: The Easiest Way To Make Responsive Headers",
                "url": "http://tutorialzine.com/2016/02/quick-tip-easiest-way-to-make-responsive-headers/",
                "image": "http://cdn.tutorialzine.com/wp-content/uploads/2016/02/quick-tip-responsive-headers-100x100.png"
            },
            {
                "title": "Learn SQL In 20 Minutes",
                "url": "http://tutorialzine.com/2016/01/learn-sql-in-20-minutes/",
                "image": "http://cdn.tutorialzine.com/wp-content/uploads/2016/01/learn-sql-20-minutes-100x100.png"
            },
            {
                "title": "Creating Your First Desktop App With HTML, JS and Electron",
                "url": "http://tutorialzine.com/2015/12/creating-your-first-desktop-app-with-html-js-and-electron/",
                "image": "http://cdn.tutorialzine.com/wp-content/uploads/2015/12/creating-your-first-desktop-app-with-electron-100x100.png"
            }
        ]
    }
});
</script>
</body>
</html>
4、佈局轉換 

<!DOCTYPE html>
<html>
<head>
<meta charset="utf8">
<style type="text/css">
[v-cloak] {
  display: none;
}
*{
    margin:0;
	padding:0;
}
body{
    font-family:Microsoft YaHei;
}
li{
    list-style:none;
}
.bar{
	background-color:#5c9bb7;
	border-radius: 2px;
	width: 580px;
	padding: 10px;
	margin: 45px auto 25px;
	position:relative;
	text-align:right;
	line-height: 1;
}
.bar a{
	background:#4987a1 center center no-repeat;
	width:32px;
	height:32px;
	display:inline-block;
	text-decoration:none !important;
	margin-right:5px;
	border-radius:2px;
	cursor:pointer;
}
.bar a.active{
    background-color:#c14694;
}
.bar a.list-icon{
	background-image:url(data:image/png;base64,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);
}

.bar a.grid-icon{
	background-image:url(data:image/png;base64,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);
}
ul.grid{
	width: 570px;
	margin: 0 auto;
	text-align: left;
}
ul.grid li{
	padding: 2px;
	float:left;
}
ul.grid li img{
	width:280px;
	height:280px;
	object-fit: cover;
	display:block;
	border:none;
}
ul.list{
	width: 500px;
	margin: 0 auto;
	text-align: left;
}

ul.list li{
	border-bottom: 1px solid #ddd;
	padding: 10px;
	overflow: hidden;
}

ul.list li img{
	width:120px;
	height:120px;
	float:left;
	border:none;
}

ul.list li p{
	margin-left: 135px;
	font-weight: bold;
	color:#6e7a7f;
}

</style>
</head>
<body>
	<div id="main" v-cloak>
		<div class="bar">
			<a class="grid-icon" v-bind:class="{'active':layout=='grid'}" v-on:click="layout='grid'"></a>
			<a class="list-icon" v-bind:class="{'active':layout=='list'}" v-on:click="layout='list'"></a>
		</div>
		<ul v-if="layout=='grid'" class="grid">
			<li v-for="a in articles">
				<a v-bind:href="a.url" target="_blank"><img v-bind:src="a.image.large" /></a>
			</li>
		</ul>
		<ul v-if="layout=='list'" class="list">
			<li v-for="a in articles">
				<a v-bind:href="a.url" target="_blank"><img v-bind:src="a.image.small" /></a>
				<p>{{a.title}}</p>
			</li>
		</ul>
	</div>
<script src="https://cdn.bootcss.com/vue/2.4.2/vue.min.js"></script>
<script>
	var demo = new Vue({
	el: '#main',
	data: {
		layout: 'grid',
        articles: [{
            "title": "What You Need To Know About CSS Variables",
            "url": "http://tutorialzine.com/2016/03/what-you-need-to-know-about-css-variables/",
            "image": {
                "large": "http://cdn.tutorialzine.com/wp-content/uploads/2016/03/css-variables.jpg",
                "small": "http://cdn.tutorialzine.com/wp-content/uploads/2016/03/css-variables-150x150.jpg"
            }
        },
        {
            "title": "Freebie: 4 Great Looking Pricing Tables",
            "url": "http://tutorialzine.com/2016/02/freebie-4-great-looking-pricing-tables/",
            "image": {
                "large": "http://cdn.tutorialzine.com/wp-content/uploads/2016/02/great-looking-pricing-tables.jpg",
                "small": "http://cdn.tutorialzine.com/wp-content/uploads/2016/02/great-looking-pricing-tables-150x150.jpg"
            }
        },
        {
            "title": "20 Interesting JavaScript and CSS Libraries for February 2016",
            "url": "http://tutorialzine.com/2016/02/20-interesting-javascript-and-css-libraries-for-february-2016/",
            "image": {
                "large": "http://cdn.tutorialzine.com/wp-content/uploads/2016/02/interesting-resources-february.jpg",
                "small": "http://cdn.tutorialzine.com/wp-content/uploads/2016/02/interesting-resources-february-150x150.jpg"
            }
        },
        {
            "title": "Quick Tip: The Easiest Way To Make Responsive Headers",
            "url": "http://tutorialzine.com/2016/02/quick-tip-easiest-way-to-make-responsive-headers/",
            "image": {
                "large": "http://cdn.tutorialzine.com/wp-content/uploads/2016/02/quick-tip-responsive-headers.png",
                "small": "http://cdn.tutorialzine.com/wp-content/uploads/2016/02/quick-tip-responsive-headers-150x150.png"
            }
        },
        {
            "title": "Learn SQL In 20 Minutes",
            "url": "http://tutorialzine.com/2016/01/learn-sql-in-20-minutes/",
            "image": {
                "large": "http://cdn.tutorialzine.com/wp-content/uploads/2016/01/learn-sql-20-minutes.png",
                "small": "http://cdn.tutorialzine.com/wp-content/uploads/2016/01/learn-sql-20-minutes-150x150.png"
            }
        },
        {
            "title": "Creating Your First Desktop App With HTML, JS and Electron",
            "url": "http://tutorialzine.com/2015/12/creating-your-first-desktop-app-with-html-js-and-electron/",
            "image": {
                "large": "http://cdn.tutorialzine.com/wp-content/uploads/2015/12/creating-your-first-desktop-app-with-electron.png",
                "small": "http://cdn.tutorialzine.com/wp-content/uploads/2015/12/creating-your-first-desktop-app-with-electron-150x150.png"
            }
        }]

	}
});
</script>
</body>
</html>

5、合計總價 

<!DOCTYPE html>
<html>
<head>
<meta charset="utf8">
<style type="text/css">
[v-cloak] {
  display: none;
}
*{
	margin:0;
	padding:0;
}
body{
    font-family:Microsoft YaHei;
}
li{list-style:none;}
div{
    width:400px;
    background-color:#61a1bc;
    margin:50px auto;
    padding:35px 60px;
}
h1{
    font-size:44px;
    text-align:center; 
}
ul{
    font-size:20px;
    text-align:left;
    margin:20px 0 15px;
}
ul li{
    padding:20px 30px;
	background-color:#e35885;
	margin-bottom:8px;
	cursor:pointer;
}
ul li span{float:right;}
ul li.active{
    background-color:#8ec16d;
}
p{
    border-top:1px solid rgba(255,255,255,0.5);
	padding:15px 30px;
	font-size:20px;
	text-align: left;
}
p span{float:right;}
</style>
</head>
<body>
	<div id="main" v-cloak>
		<h1>Services</h1>
		<ul>
			<li v-for="item in items" @click="toggleActive(item)" :class="{'active':item.active}">{{item.name}}<span>{{item.price | currency}}</span></li>
		</ul>
		<p>Total: <span>{{total() | currency}}</span></p>
	</div>
<script src="https://cdn.bootcss.com/vue/2.4.2/vue.min.js"></script>
<script>
	var demo = new Vue({
    el: '#main',
    data: {
        items: [
        	{
        		name: 'Web Development',
        		price: 300,
        		active:false
        	},{
        		name: 'Design',
        		price: 400,
        		active:false
        	},{
        		name: 'Integration',
        		price: 250,
        		active:false
        	},{
        		name: 'Training',
        		price: 220,
        		active:false
        	}
        ]
    },
    methods: {
    	toggleActive: function(i){
            i.active = !i.active;
    	},
    	total: function(){
        	var total = 0;
        	this.items.forEach(function(s){
        		if (s.active){
        			total+= s.price;
        		}
        	});
    	   return total;
        }
    }
});
</script>
</body>
</html>


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