49 lines
1.8 KiB
JavaScript
49 lines
1.8 KiB
JavaScript
const vue = new Vue({
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el: "#app",
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data: {
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list: [
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{ bid: 2024, bna: "《数据结构与算法》", dates: "2018-7", price: 76.50, couts: 0 },
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{ bid: 2671, bna: "《计算机原理与应用》", dates: "2018-9", price: 88.00, couts: 0 },
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{ bid: 7012, bna: "《离散数学》", dates: "2019-10", price: 66.00, couts: 0 },
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{ bid: 1677, bna: "《马克思原理》", dates: "2018-5", price: 99.00, couts: 0 },
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{ bid: 1711, bna: "《线性代数》", dates: "2019-6", price: 88.00, couts: 0 },
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{ bid: 1651, bna: "《高等数学（同济版）》", dates: "2016-6", price: 89.00, couts: 0 },
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{ bid: 4131, bna: "《计算机应用基础》", dates: "2021-9", price: 85.50, couts: 0 },
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{ bid: 4325, bna: "《JavaSE基础应用》", dates: "2022-1", price: 64.00, couts: 0 },
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{ bid: 4775, bna: "《Web开发与应用》", dates: "2021-12", price: 99.00, couts: 0 },
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{ bid: 4671, bna: "《Pyhton开发与应用》", dates: "2021-11", price: 88.00, couts: 0 },
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{ bid: 4672, bna: "《移动应用与开发》", dates: "2022-1", price: 61.00, couts: 0 },
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{ bid: 5133, bna: "《云计算概论》", dates: "2021-2", price: 54.00, couts: 0 },
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],
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CountIndex: -1,
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},
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filters: {
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PriceFilters(val) {
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return "￥" + val.toFixed(2)
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}
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},
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methods: {
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// 计算总价钱
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TotalPrice() {
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let sum = 0
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for (let book of this.list) {
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sum += book.price * book.couts
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}
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return sum
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},
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//增加数量
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addBc(index, event) {
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this.list[index].couts += 1
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},
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//减少数量
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delBc(index, event) {
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if (this.list[index].couts > 0) {
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this.list[index].couts -= 1
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}
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},
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//减少项目
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RemoveItem(index) {
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this.list.splice(index, 1)
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},
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},
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}) |