使用vuex怎么實(shí)現(xiàn)一個(gè)購(gòu)物車功能?針對(duì)這個(gè)問(wèn)題,這篇文章詳細(xì)介紹了相對(duì)應(yīng)的分析和解答,希望可以幫助更多想解決這個(gè)問(wèn)題的小伙伴找到更簡(jiǎn)單易行的方法。

代碼:
<template>
<div class="Home">
<h2>vuex購(gòu)物車案例</h2>
<add-from></add-from>
<shop-cart></shop-cart>
</div>
</template>
<script>
import AddFrom from './Add.vue'
import ShopCart from './ShopCart.vue'
// @ is an alias to /src
// import HelloWorld from '@/components/HelloWorld.vue'
export default {
name: 'Home',
components: {
AddFrom,
ShopCart
},
};
</script>
<style>
table {
width: 800px;
margin: 0 auto;
border: 1px solid #ccc;
border-spacing: 0;
}
tbody th,
tbody td {
border: 1px solid #ccc;
text-align: center;
}
h2{
text-align: center;
}
.add{
width: 800px;
margin: 0 auto;
}
</style>父組件
<template>
<div class="add">
<div class="from-group">
<label for="">商品編號(hào)</label>
<input type="text" v-model="shop.id" placeholder="請(qǐng)輸入商品編號(hào)">
</div>
<div class="from-group">
<label for="">商品名稱</label>
<input type="text" v-model="shop.name" placeholder="請(qǐng)輸入商品名稱">
</div>
<div class="from-group">
<label for="">商品價(jià)格</label>
<input type="text" v-model="shop.price" placeholder="請(qǐng)輸入商品價(jià)格">
</div>
<div class="from-group">
<label for="">商品數(shù)量</label>
<input type="text" v-model="shop.count" placeholder="請(qǐng)輸入商品數(shù)量">
</div>
<div class="from-group">
<button @click="add">添加商品</button>
</div>
</div>
</template>
<script>
export default {
name: 'add',
data() {
return {
shop:{}
};
},
methods:{
add(){
this.$store.dispatch("addShopList",this.shop)
this.shop = {
id:"",
name:"",
price:"",
count:""
}
}
}
};
</script>
<style scoped>
.add{
width: 800px;
text-align: center;
}
</style>```bash
<template>
<div class="Shop-Cart">
<table>
<thead border>
<tr>
<th>商品編號(hào)</th>
<th>商品名稱</th>
<th>商品價(jià)格</th>
<th>商品數(shù)量</th>
<th>小計(jì)</th>
<th>操作</th>
</tr>
</thead>
<tbody v-if="shop.length > 0">
<tr v-for="(i, e) in shop" :key="e">
<td>{{ i.id }}</td>
<td>{{ i.name }}</td>
<td>{{ i.price }}</td>
<td>
<button @click="add(e)">+</button>
<input type="text" v-model="i.count" />
<button @click="delet(e)">-</button>
</td>
<td>¥{{ i.price * i.count }}</td>
<td><button @click="del(e)">刪除</button></td>
</tr>
</tbody>
<tfoot>
<tr>
<td colspan="6" align="right">總計(jì):{{ total }}</td>
<button @click="clear">清除購(gòu)物車</button>
</tr>
</tfoot>
</table>
</div>
</template>
<script>
export default {
name: 'Shop-Cart',
components: {},
data() {
return {};
},
computed: {
shop() {
return this.$store.getters.getlist;
},
total() {
return this.$store.getters.getShopTotal;
}
},
methods: {
del(e) {
// this.$store.dispatch()
this.$store.dispatch('remoteList', e);
},
add(e) {
this.$store.dispatch('addList', e);
},
delet(e) {
this.$store.dispatch('deleteList', e);
},
clear() {
this.$store.dispatch('clearList', []);
}
}
};
</script>vuex組件
import Vue from 'vue'
import Vuex from 'vuex'
Vue.use(Vuex)
export default new Vuex.Store({
state: {
list: [{
id: 1,
name: "哇哈哈",
price: 3,
count: 0
},
{
id: 2,
name: "哇哈",
price: 3,
count: 0
}
]
},
getters: {
//獲取購(gòu)物車數(shù)據(jù)
getlist(state) {
return state.list
},
//商品的總價(jià)
getShopTotal(state,index) {
let result = 0;
state.list.forEach((item, index) => {
result += item.price * item.count
})
return result
},
},
mutations: {
//刪除購(gòu)物車單個(gè)數(shù)據(jù)
remoteList(state,index) {
state.list.splice(index, 1);
console.log("aaa",state)
},
//商品數(shù)量增加
addList(state, index) {
state.list[index].count++;
},
//商品數(shù)量減少
deleteList(state, index) {
state.list[index].count--;
if(state.list[index].count<=0){
state.list[index].count = 0
return ;
}
},
//清除購(gòu)物車
clearList(state, arr) {
state.list = arr
},
addShopList(state,shop){
state.list.push(shop)
}
},
//使用actions調(diào)用mutations方法
actions: {
remoteList({
commit
}, index) {
commit("remoteList", index)
},
addList({
commit
}, index) {
commit("addList", index)
},
deleteList({
commit
}, index) {
commit("deleteList", index)
},
clearList({
commit
}, arr) {
commit("clearList", arr)
},
addShopList({commit},shop){
commit("addShopList",shop)
}
},
modules: {}
})關(guān)于使用vuex怎么實(shí)現(xiàn)一個(gè)購(gòu)物車功能問(wèn)題的解答就分享到這里了,希望以上內(nèi)容可以對(duì)大家有一定的幫助,如果你還有很多疑惑沒(méi)有解開(kāi),可以關(guān)注創(chuàng)新互聯(lián)行業(yè)資訊頻道了解更多相關(guān)知識(shí)。
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