Vue实现简单的购物车案例

本文实例为大家分享了vue实现简单的购物车案例的具体代码，供大家参考，具体内容如下

代码：

<template>
  <div>
    <div>
      <span>手机: </span>
      <span>价格</span> <input type="number" v-model.number="phoneprice">
      <span> 数量 </span><input type="number" v-model.number="phonecount">
      <span> 小计: </span><span>{{phonetotal}}元</span>
    </div>
    <div>
      <span>电脑: </span>
      <span>价格</span> <input type="number" v-model.number="computerprice">
      <span> 数量 </span><input type="number" v-model.number="computercount">
      <span> 小计: </span><span>{{computertotal}}元</span>
    </div>
    <div>
      <span>运费: </span><input type="number" v-model.number="freight"><span>元</span><br>
      <span>共计: {{total}}元</span>
      <p>优惠: {{discounts}}元</p>
      <p>应付: {{allprice}}</p>
    </div>
  </div>
</template>

<script>
export default {
  data () {
    return {
      phoneprice: '', // 手机单价
      phonecount: '', // 手机数量
      computerprice: '', // 电脑单价
      computercount: '', // 电脑数量
      freight: '', // 运费
      discounts: ''
    }
  },
  computed: {
    phonetotal () {
      return this.phoneprice * this.phonecount
    },
    computertotal () {
      return this.computerprice * this.computercount
    },
    // 总价
    total () {
      return this.computertotal + this.phonetotal + this.freight
    },
    allprice () {
      return this.total - this.discounts
    }
  },
  watch: {
    total: {
      depp: true,
      handler () {
        if (this.phonetotal + this.computertotal > 5000 && this.phonetotal + this.computertotal < 8000) {
          this.discounts = 100
        } else if (this.phonetotal + this.computertotal > 8000) {
          this.discounts = 200
        }
      }
    }
  }
}
</script>

<style scoped lang='less'>
</style>

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