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<!--
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* @Author: ch
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* @Date: 2022-05-03 22:41:15
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* @LastEditors: ch
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* @LastEditTime: 2022-05-12 17:36:08
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* @Description: file content
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-->
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<template>
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<div>
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<UiEmpty v-if="!isLoading && !list.length" desc="购物车空空如也，去挑点喜欢的好货吧~" :icon="require('@/assets/img/cart/empty.png')">
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<UiButton type="grey" @click="$router.push('/')">去逛逛</UiButton>
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</UiEmpty>
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<UiLoading v-if="isLoading" ></UiLoading>
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<div class="main" v-else>
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<table class="table table--head">
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<thead>
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<tr>
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<th width="90">
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<el-checkbox label="全选" @change="handleCheckAll"
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v-model="checkAll" :indeterminate="isIndeterminate"></el-checkbox>
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</th>
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<th>商品信息</th>
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<th width="115">单价</th>
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<th width="115">数量</th>
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<th width="115">小计</th>
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<th width="115">操作</th>
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</tr>
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</thead>
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</table>
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<el-checkbox-group v-model="checkedIds" @change="changeCheckedGoods">
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<table class="table">
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<tbody>
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<tr v-for="item in list" :key="item.id" :class="item.status !== 'normal' && 'disable'">
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<td width="50">
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<el-checkbox v-if="item.status === 'normal'" :label="item.id" class="checkbox"></el-checkbox>
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<span v-else class="tag">失效</span>
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</td>
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<td>
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<UIGoodsInfo :goods="item"></UIGoodsInfo>
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</td>
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<td width="115">
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<UiMoney :money="item.productSku ? item.productSku.sellPrice : 0"></UiMoney>
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</td>
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<td width="115">
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<el-input-number :value="item.number" @change="onChangeStepper($event, item)"
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:min="1" :max="item.maxBuyNum" size="mini">
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</el-input-number>
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</td>
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<td width="115">
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<UiMoney :money="item.totalPrice"></UiMoney>
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</td>
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<td width="115">
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<a @click="handleDelete(item.id)" class="del">删除</a>
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</td>
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</tr>
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</tbody>
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</table>
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</el-checkbox-group>
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<div class="operation">
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<div>
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<el-checkbox label="全选" @change="handleCheckAll"
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v-model="checkAll" :indeterminate="isIndeterminate"></el-checkbox>
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<a @click="handleDelete()" class="operation--del">批量删除</a>
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</div>
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<div class="operation--right">
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<p>已选<span class="operation--count">{{checkedIds.length}}</span>件</p>
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<p class="operation--total">总计：
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<UiMoney class="operation--total-price" :money="totalPrice"
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size="20px" float prefix preSize="14px"/>
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</p>
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<UiButton class="operation--settlement" @click="settlement" :disabled="!checkedIds.length">去结算</UiButton>
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</div>
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</div>
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</div>
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</div>
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</template>
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<script>
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import {ApiGetCartList, ApiDeleteCartGoods, ApiPutCartNum} from '@/plugins/api/cart';
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import {Debounce} from '@/plugins/utils';
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import UIGoodsInfo from '../../components/UIGoodsInfo.vue';
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import UiButton from '../../components/UiButton.vue';
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import UiMoney from '../../components/UiMoney.vue';
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import UiEmpty from '../../components/UiEmpty.vue';
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import UiLoading from '../../components/UiLoading.vue';
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export default {
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components: { UIGoodsInfo, UiButton, UiMoney, UiEmpty, UiLoading },
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data(){
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return {
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isLoading : false,
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list : [],
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checkedIds : [],
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checkAll : false,
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isIndeterminate : false
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}
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},
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computed:{
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totalPrice(){
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const checkedList = this.list.filter(item => this.checkedIds.includes(item.id)) || [];
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let tempPrice = 0;
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checkedList.forEach(item => {
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// 商品单价, 为了方便计算先转换单位为分 (整数)
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const unitPrice = item.productSku ? item.productSku.sellPrice * 100 : 0
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tempPrice += unitPrice * (item.number || 0)
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});
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return (tempPrice / 100).toFixed(2);
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},
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// 正常可结算的商品
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normalList(){
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return this.list.filter(i => i.status == 'normal');
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}
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},
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created(){
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this.getCartList();
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},
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methods:{
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/**
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* 获取购物车商品列表
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*/
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async getCartList() {
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this.isLoading = true;
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const {error, result} = await ApiGetCartList();
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if(error){
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this.$message.warning(error.message);
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return false;
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}
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this.isLoading = false
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this.list = result.map(item => {
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const singleBuyLimit = item.product.singleBuyLimit;
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const stock = item.productSku && item.productSku.stock;
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// 最大可买数量
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item.maxBuyNum = singleBuyLimit ? Math.min(singleBuyLimit, stock || 1) : stock;
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// 状态
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item.status = item.product.isEnable ?
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(!item.productSku || item.productSku.stock == 0) ? 'notSku': 'normal' :
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'isDisable';
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// sku标签
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item.skuDescribe = item.status === 'normal' ? item.productSku?.name :
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item.status === 'normal' ? '请重新选择商品规格' : '宝贝已失效，暂时无法购买';
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// 小计
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item.totalPrice = item.status === 'normal' ?
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this.calcMonery(item.productSku.sellPrice, item.number) : 0
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return item;
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});
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},
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calcMonery(moery, number){
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return (((moery * 100) * number) / 100).toFixed(2);
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},
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/**
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* 商品选择框改变，全选按钮 半选，全选，不选状态
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*/
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changeCheckedGoods(){
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this.checkAll = this.normalList.length === this.checkedIds.length;
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this.isIndeterminate = this.checkedIds.length > 0 && !this.checkAll;
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},
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/**
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* 点击全选选择框，全选，反选功能
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*/
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handleCheckAll(val) {
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this.checkedIds = val ? this.normalList.map(item => item.id) : [] ;
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},
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/**
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* 监听步进器更改事件
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*/
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onChangeStepper(value, item) {
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// 记录一个节流函数句柄
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if (!item.debounceHandle) {
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item.oldValue = item.number
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item.debounceHandle = Debounce(this.updateCartNum, 500)
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}
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// 更新商品数量
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item.number = value;
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item.totalPrice = this.calcMonery(item.productSku.sellPrice, value);
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// 提交更新购物车数量 (节流)
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item.debounceHandle(item, item.oldValue, value);
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},
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/**
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* 提交更新购物车数量
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*/
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async updateCartNum(item, oldValue, newValue) {
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const {error, result} = await ApiPutCartNum({
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id : item.id,
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number : item.number
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});
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if(error){
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this.$message.error(error.message);
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item.number = item.sku;
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return false;
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}
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if(result.isBeyondMaxLimit){
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this.$message.error('数量超出范围');
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item.number = result.canSetShoppingCartNumber;
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return false;
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}
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},
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/**
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* 删除选中的商品
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*/
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handleDelete(id) {
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const ids = id ? [id] : this.checkedIds;
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const tips = id ? '您确定要删除该商品吗？' : '您确定要删除选中的商品吗？'
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if (!ids.length) {
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return false
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}
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this.$confirm(tips, '提示', {
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confirmButtonText: '确定',
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cancelButtonText: '取消',
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type: 'warning'
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}).then(async () => {
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const {error} = await ApiDeleteCartGoods({idList : ids.join(',')});
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if(error){
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this.$message.error(error.message);
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return false;
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}
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this.list = this.list.filter(item => !ids.includes(item.id));
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if(id){
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this.checkedIds = this.checkedIds.filter(i => i.id !== id);
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}else{
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this.checkedIds = [];
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}
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})
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},
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/**
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* 点击去结算
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*/
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settlement(){
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this.$router.push({
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path : '/order/submit',
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query : {
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mode: 'cart',
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ids:this.checkedIds.join(',')
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}
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})
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}
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}
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}
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</script>
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<style lang="scss" scoped>
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.main{
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@include layout-box;
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padding-bottom: 50px;
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}
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.table{
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width: 100%;
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border: 1px solid #ddd;
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font-size: 14px;
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&--head{
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margin: 30px 0 20px;
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}
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.disable td{
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background: #f8f8f8;
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opacity: .6;
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}
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.del{
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cursor: pointer;
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}
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.tag{
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display: inline-block;
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background: #ddd;
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height: 20px;
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width: 40px;
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line-height: 20px;
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font-size: 12px;
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}
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th{
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height: 46px;
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line-height: 46px;
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background: #f8f8f8;
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font-weight: normal;
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}
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td{
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text-align: center;
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padding: 40px 0;
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}
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}
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.operation{
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display: flex;
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justify-content: space-between;
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align-items: center;
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background: #f8f8f8;
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border: 1px solid #ddd;
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margin-top: 10px;
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height: 70px;
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padding: 0 237px 0 20px;
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position: relative;
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&--del{
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margin-left: 70px;
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}
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&--right{
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display: flex;
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align-items: center;
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}
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&--count{
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color: #FF512B;
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margin: 0 5px;
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}
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&--total{
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display: flex;
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align-items: center;
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margin-left: 90px;
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&-price{
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color: #FF512B;
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font-weight: bold;
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}
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}
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&--settlement{
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position: absolute;
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top: -1px;
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right: 0;
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width: 160px;
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height: 70px;
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}
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}
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/deep/{
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.checkbox{
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.el-checkbox__label{
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display: none;
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}
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}
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}
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</style> |
