本文實例為大家分享了Vue.js實現價格計算器功能的具體代碼,供大家參考,具體內容如下
實現效果:
實現代碼及注釋:
<!DOCTYPE html><html><head> <title>價格計算器</title> <meta charset="utf-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <style type="text/css"> /* 隱藏未編譯的數據綁定,直到Vue實例成功加載 */ [v-cloak]{ display: none; } *{ padding: 0; margin: 0; } body{ font: 15px/1.3 "微軟雅黑"; color: #545b64; text-align: center; } a, a:visited{ outline: none; color: #389dc1; } a:hover{ text-decoration: none; } section, footer, header, aside, nav{ display: block; } /*------------------------- The order form --------------------------*/ form{ background-color: #d5d5d5; border-radius: 10px; box-shadow: 0 1px 1px #ccc; width: 400px; padding: 35px 45px; margin: 50px auto; box-shadow: 1px 0px 20px #f5f5f5; } form h1{ color:#fff; font-size: 55px; font-family: "微軟雅黑" font-weight: normal; line-height:1; text-shadow:2px 3px 0 rgba(0,0,0,0.1); font-weight: normal; } form ul{ list-style:none; color:#fff; font-size:20px; font-weight:bold; text-align: left; margin:20px 0 15px; } form ul li{ padding:15px 30px; background-color:#03c03c; margin-bottom:10px; box-shadow:0 1px 1px rgba(0,0,0,0.1); cursor:pointer; } form ul li span{ float:right; } form ul li.active{ background-color: orange; } div.total{ border-top:1px solid rgba(255,255,255,0.5); padding:15px 30px; font-size:20px; font-weight:bold; text-align: left; color:#fff; text-shadow: 2px 2px 2px rgba(0,0,0,0.1); } div.total span{ float:right; } </style> </head><body> <!-- v-cloak隱藏所有沒有編譯過的數據綁定,直到vue實例準備好 --> <form id="main" v-cloak> <h1>價格計算器</h1> <ul> <!-- 循環這個服務數組,分配一個點擊句柄,并且設置或移除active class --> <li v-for="service in services" v-on:click="toggleActive(service)" v-bind:class="{'active': service.active}"> <!-- 顯示這個數組中每個實體的名稱和價格格式化, Vue有一個內置的貨幣篩選器用于對價格進行 --> {{service.name}} <span>{{service.price | currency}}</span> </li> </ul> <div class="total"> <!-- 計算所有選定商品的總價格,并且格式化為貨幣顯示方式 --> 總價: <span>{{total() | currency}}</span> </div></form><script src="https://cdnjs.cloudflare.com/ajax/libs/vue/2.0.5/vue.min.js"></script><script type="text/javascript"> // 定義一個常規過濾器currency Vue.filter('currency', function(value){ return '¥' + value.toFixed(2); }); var demo = new Vue({ el: '#main', data: { // 定義model屬性,view將會循環 // 通過services數組產生一個li // 定義services每一項的元素 services: [ { name: "網站開發", price: 300, active: true }, { name: "設計", price: 400, active: false }, { name: "一體化整合", price: 250, active: false }, { name: "操作培訓", price: 220, active: false } ] }, methods: { toggleActive: function(s){ s.active = !s.active; }, total: function(){ var total = 0; this.services.forEach(function(s){ if(s.active){ total+=s.price; } }); return total; } } });</script> </body></html>
以上就是本文的全部內容,希望對大家的學習有所幫助,也希望大家多多支持武林網。
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