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[Java教程]【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 >  <!-- 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>