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Vue.js小案例(2)
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这个例子主要应用了vue.js的自定义过滤器,可以通过Vue.filter()
注册一个全局过滤器,具体用法可以参考这里,vue.js也提供了一些内置过滤器。
CSS代码:
[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; }[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; }
HTML代码:
<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="http://www.mamicode.com/a.url"><img :src="http://www.mamicode.com/a.image" /></a> <p>{{a.title}}</p> </li> </ul> </div>
JS代码:
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" } ] } });
布局转换
本例应用了vue.js的v-if指令进行了条件渲染,以及v-bind绑定class和v-on处理事件
CSS代码:
[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; }
HTML代码:
<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>
JS代码:
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" } }] } });
好啦!就是这样!你们学会了吗??
Vue.js小案例(2)
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