【前端】Vue.js实现实例搜索应用
实例搜索应用
实现效果:
实现代码与注释:
<!DOCTYPE html> <html> <head> <title>实例搜索</title> <meta charset="utf-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <style type="text/css"> /* 隐藏没有绑定未编译的数据绑定,直到Vue实例加载 */ [v-cloak]{ display: none; } *{ padding: 0; margin: 0; } body{ font: 15px/1.3 'Open Sans' sans-serif; color: #03c03c; text-align: center; } a, a:visited{ outline: none; color: 389dc1; } a:hover{ text-decoration: none; } section,footer,header, aside, nav{ display: block; } /* 搜索表单样式 */ .bar{ background-color: #03c03c; background-image:-webkit-linear-gradient(top, #03c03c, #00ed47); background-image:-moz-linear-gradient(top, #03c03c, #00ed47); background-image:linear-gradient(top, #03c03c, #00ed47); box-shadow: 0 1px 1px #ccc; border-radius: 5px; width: 400px; padding: 10px; margin: 45px auto 20px; position: relative; } .bar input{ background: #fff no-repeat 13px 13px; /* search bar */ 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: #03c03c; font-weight: bold; text-indent: 40px; outline: none; } input:focus{ box-shadow: -2px -2px 3px hsla(100, 0%, 0%, 0.3) } 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> <form id="main" v-cloak> <div class="bar"> <!-- Create a binding between the searchString model and the text field --> <input type="text" v-model="searchString" placeholder="Enter your search terms" /> </div> <ul> <!-- Render a li element for every entry in the computed filteredArticles array. --> <li v-for="article in filteredArticles"> <a v-bind:href="article.url"><img v-bind:src="article.image" /></a> <p>{{article.title}}</p> </li> </ul> </form> <script src="https://cdnjs.cloudflare.com/ajax/libs/vue/2.0.5/vue.min.js"></script> <script> var demo = new Vue({ el: '#main', data: { searchString: "", // The data model. These items would normally be requested via AJAX, // but are hardcoded here for simplicity. 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": "https://encrypted-tbn0.gstatic.com/images?q=tbn:ANd9GcQmBuM7hlJpdELwq0BSo01For8Ed0wCXQAHV9jHq-_PzRH6wF91" }, { "title": "Freebie: 4 Great Looking Pricing Tables", "url": "http://tutorialzine.com/2016/02/freebie-4-great-looking-pricing-tables/", "image": "https://encrypted-tbn0.gstatic.com/images?q=tbn:ANd9GcTbH-xAQQDlwpR_Nig66fspeYA2QvSAoZmwn6RNgIk7aigHxBEi" }, { "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": "https://encrypted-tbn0.gstatic.com/images?q=tbn:ANd9GcQWIbs1cmJ4QeVKRQE4c_A_RZ_HJvkHRKudCBcTgerI7kmw0yPjSg" }, { "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": "https://encrypted-tbn0.gstatic.com/images?q=tbn:ANd9GcQltg_0PzWsXoBeIg7iqNwbruKI9WgXT2AzhR1BZM7Mim2TMdH0cA" }, { "title": "Learn SQL In 20 Minutes", "url": "http://tutorialzine.com/2016/01/learn-sql-in-20-minutes/", "image": "https://encrypted-tbn0.gstatic.com/images?q=tbn:ANd9GcRZaAHyHFL4NobdtmsGDoEUovpEptRWqTlvmiUCyf0jfG4bW-Pa4A" }, { "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": "https://encrypted-tbn0.gstatic.com/images?q=tbn:ANd9GcQApR5hqB7iBddDFcXRprwlk60yfBk9dOxpAHcAC_4rDl27sYj-" } ] }, computed: { // A computed property that holds only those articles that match the searchString. filteredArticles: function () { var articles_array = this.articles, searchString = this.searchString; if(!searchString){ return articles_array; } searchString = searchString.trim().toLowerCase(); articles_array = articles_array.filter(function(item){ if(item.title.toLowerCase().indexOf(searchString) !== -1){ return item; } }) // Return an array with the filtered data. return articles_array;; } } }); </script> </body> </html>