vue實(shí)現(xiàn)簡(jiǎn)單購(gòu)物車案例
本文實(shí)例為大家分享了vue實(shí)現(xiàn)簡(jiǎn)單購(gòu)物車的具體代碼，供大家參考，具體內(nèi)容如下
代碼：
<!DOCTYPE html><html lang='en'><head> <meta charset='UTF-8'> <meta name='viewport' content='width=device-width, initial-scale=1.0'> <meta http-equiv='X-UA-Compatible' content='ie=edge'> <title>Document</title></head><body> <div id='app'> <table> <thead><tr> <th></th> <th>書籍名稱</th> <th>出版日期</th> <th>價(jià)格</th> <th>購(gòu)買數(shù)量</th> <th>操作</th></tr> </thead> <tbody><tr v-for=’(item,index) in books’ ::key='item'> <td>{{item.id}}</td> <td>{{item.name}}</td> <td>{{item.date}}</td> <td>{{item.price*item.count | getFinalPrice}}</td> <td> <button @click=’reduce(index)’ :disabled=’item.count <= 1’>-</button> {{item.count}} <button @click=’add(index)’>+</button> </td> <td> <button @click=’removeBtn(index)’>移除</button> </td></tr> </tbody> </table> <h2 v-if=’books!=''’>總價(jià)格:{{theSumOf | getFinalPrice}}</h2> <h2 v-else>購(gòu)物車為空</h2> </div></body><script src='http://m.4tl426be.cn/js/vue.min.js'></script><script> var app = new Vue({ el: ’#app’, data: { books: [{ id: 1, name: ’計(jì)算機(jī)應(yīng)用’, date: ’2006-9’, price: 85.00, count: 1},{ id: 2, name: ’java應(yīng)用’, date: ’2006-9’, price: 10.00, count: 1},{ id: 3, name: ’大數(shù)據(jù)’, date: ’2006-9’, price: 85.00, count: 1},{ id: 4, name: ’ui設(shè)計(jì)師’, date: ’2006-9’, price: 85.00, count: 1}, ], addAnd:0 }, methods: { add(index) {this.books[index].count++ }, reduce(index) { this.books[index].count-- }, removeBtn(index) {this.books.splice(index, 1) } }, components: { }, computed: {theSumOf: function () { //累加計(jì)算的第一種方法//let sum = 0//this.books.forEach(item => {// sum += parseInt(item.price)*parseInt(item.count)});//return sum //累加計(jì)算的第二種方式 //let sum = 0 //for(let i in this.books){ //sum += this.books[i].price*this.books[i]*count } //return sum //累加計(jì)算的第三種方式 //let sum = 0 //for(let item of this.books){ //sum += item.price*item.count //} //return sum //累加計(jì)算的第四種方法 return this.books.reduce(function(preValue,book){ return preValue + book.price*book.count },0) } }, filters: { getFinalPrice(price) {return ’￥’ + price.toFixed(2) }, } });</script><html>
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