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418 lines
8.8 KiB
418 lines
8.8 KiB
<template>
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<view class="container">
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<!-- 空白页 -->
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<view v-if="!hasLogin || empty===true" class="empty">
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<image src="/static/emptyCart.jpg" mode="aspectFit"></image>
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<view v-if="hasLogin" class="empty-tips">
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空空如也
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<navigator class="navigator" v-if="hasLogin" url="../index/index" open-type="switchTab">随便逛逛></navigator>
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</view>
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<view v-else class="empty-tips">
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空空如也
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<view class="navigator" @click="navToLogin">去登陆></view>
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</view>
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</view>
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<view v-else>
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<!-- 列表 -->
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<view class="cart-list">
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<block v-for="(item, index) in cartList" :key="item.id">
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<view class="cart-item" :class="{'b-b': index!==cartList.length-1}">
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<view class="image-wrapper">
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<image :src="item.productPic" :class="[item.loaded]" mode="aspectFill" lazy-load @load="onImageLoad('cartList', index)"
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@error="onImageError('cartList', index)"></image>
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<view class="yticon icon-xuanzhong2 checkbox" :class="{checked: item.checked}" @click="check('item', index)"></view>
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</view>
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<view class="item-right">
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<text class="clamp title">{{item.productName}}</text>
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<text class="attr">{{item.spDataStr}}</text>
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<text class="price">¥{{item.price}}</text>
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<uni-number-box class="step" :min="1" :max="100" :value="item.quantity" :index="index" @eventChange="numberChange"></uni-number-box>
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</view>
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<text class="del-btn yticon icon-fork" @click="handleDeleteCartItem(index)"></text>
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</view>
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</block>
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</view>
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<!-- 底部菜单栏 -->
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<view class="action-section">
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<view class="checkbox">
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<image :src="allChecked?'/static/selected.png':'/static/select.png'" mode="aspectFit" @click="check('all')"></image>
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<view class="clear-btn" :class="{show: allChecked}" @click="clearCart">
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清空
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</view>
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</view>
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<view class="total-box">
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<text class="price">¥{{total}}元</text>
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</view>
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<button type="primary" class="no-border confirm-btn" @click="createOrder">去结算</button>
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</view>
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</view>
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</view>
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</template>
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<script>
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import {
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mapState
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} from 'vuex';
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import uniNumberBox from '@/components/uni-number-box.vue';
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import {
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fetchCartList,
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deletCartItem,
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updateQuantity,
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clearCartList
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} from '@/api/cart.js';
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export default {
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components: {
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uniNumberBox
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},
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data() {
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return {
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total: 0, //总价格
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allChecked: false, //全选状态 true|false
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empty: false, //空白页现实 true|false
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cartList: [],
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};
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},
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onLoad() {
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// this.loadData();
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},
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onShow(){
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//页面显示时重新加载购物车
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this.loadData();
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},
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watch: {
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//显示空白页
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cartList(e) {
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let empty = e.length === 0 ? true : false;
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if (this.empty !== empty) {
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this.empty = empty;
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}
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}
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},
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computed: {
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...mapState(['hasLogin'])
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},
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methods: {
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//请求数据
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async loadData() {
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if(!this.hasLogin){
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return;
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}
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fetchCartList().then(response => {
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let list = response.data;
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let cartList = list.map(item => {
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item.checked = true;
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item.loaded = "loaded";
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let spDataArr = JSON.parse(item.productAttr);
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let spDataStr = '';
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for (let attr of spDataArr) {
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spDataStr += attr.key;
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spDataStr += ":";
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spDataStr += attr.value;
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spDataStr += ";";
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}
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item.spDataStr = spDataStr;
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return item;
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});
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this.cartList = cartList;
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this.calcTotal(); //计算总价
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});
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},
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//监听image加载完成
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onImageLoad(key, index) {
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this.$set(this[key][index], 'loaded', 'loaded');
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},
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//监听image加载失败
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onImageError(key, index) {
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this[key][index].productPic = '/static/errorImage.jpg';
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},
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navToLogin() {
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uni.navigateTo({
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url: '/pages/public/login'
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})
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},
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//选中状态处理
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check(type, index) {
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if (type === 'item') {
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this.cartList[index].checked = !this.cartList[index].checked;
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} else {
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const checked = !this.allChecked
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const list = this.cartList;
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list.forEach(item => {
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item.checked = checked;
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})
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this.allChecked = checked;
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}
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this.calcTotal(type);
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},
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//数量
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numberChange(data) {
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let cartItem = this.cartList[data.index];
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updateQuantity({id:cartItem.id,quantity:data.number}).then(response=>{
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cartItem.quantity = data.number;
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this.calcTotal();
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});
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},
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//删除
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handleDeleteCartItem(index) {
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let list = this.cartList;
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let row = list[index];
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let id = row.id;
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deletCartItem({ids:id}).then(response=>{
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this.cartList.splice(index, 1);
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this.calcTotal();
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uni.hideLoading();
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});
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},
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//清空
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clearCart() {
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clearCartList().then(response=>{
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uni.showModal({
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content: '清空购物车？',
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success: (e) => {
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if (e.confirm) {
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this.cartList = [];
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}
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}
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})
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});
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},
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//计算总价
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calcTotal() {
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let list = this.cartList;
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if (list.length === 0) {
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this.empty = true;
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return;
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}
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let total = 0;
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let checked = true;
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list.forEach(item => {
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if (item.checked === true) {
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total += item.price * item.quantity;
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} else if (checked === true) {
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checked = false;
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}
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})
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this.allChecked = checked;
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this.total = Number(total.toFixed(2));
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},
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//创建订单
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createOrder() {
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let list = this.cartList;
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let cartIds = [];
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list.forEach(item => {
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if (item.checked) {
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cartIds.push(item.id);
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}
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})
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if(cartIds.length==0){
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uni.showToast({
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title:'您还未选择要下单的商品！',
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duration:1000
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})
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return;
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}
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uni.navigateTo({
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url: `/pages/order/createOrder?cartIds=${JSON.stringify(cartIds)}`
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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'>
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.container {
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padding-bottom: 134upx;
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/* 空白页 */
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.empty {
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position: fixed;
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left: 0;
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top: 0;
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width: 100%;
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height: 100vh;
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padding-bottom: 100upx;
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display: flex;
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justify-content: center;
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flex-direction: column;
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align-items: center;
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background: #fff;
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image {
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width: 240upx;
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height: 160upx;
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margin-bottom: 30upx;
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}
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.empty-tips {
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display: flex;
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font-size: $font-sm+2upx;
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color: $font-color-disabled;
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.navigator {
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color: $uni-color-primary;
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margin-left: 16upx;
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}
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}
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}
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}
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/* 购物车列表项 */
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.cart-item {
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display: flex;
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position: relative;
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padding: 30upx 40upx;
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.image-wrapper {
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width: 230upx;
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height: 230upx;
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flex-shrink: 0;
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position: relative;
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image {
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border-radius: 8upx;
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}
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}
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.checkbox {
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position: absolute;
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left: -16upx;
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top: -16upx;
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z-index: 8;
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font-size: 44upx;
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line-height: 1;
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padding: 4upx;
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color: $font-color-disabled;
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background: #fff;
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border-radius: 50px;
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}
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.item-right {
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display: flex;
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flex-direction: column;
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flex: 1;
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overflow: hidden;
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position: relative;
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padding-left: 30upx;
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.title,
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.price {
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font-size: $font-base + 2upx;
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color: $font-color-dark;
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height: 40upx;
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line-height: 40upx;
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}
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.attr {
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font-size: $font-sm + 2upx;
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color: $font-color-light;
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height: 50upx;
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line-height: 50upx;
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}
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.price {
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height: 50upx;
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line-height: 50upx;
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}
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}
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.del-btn {
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padding: 4upx 10upx;
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font-size: 34upx;
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height: 50upx;
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color: $font-color-light;
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}
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}
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/* 底部栏 */
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.action-section {
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/* #ifdef H5 */
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margin-bottom: 100upx;
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/* #endif */
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position: fixed;
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left: 30upx;
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bottom: 30upx;
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z-index: 95;
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display: flex;
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align-items: center;
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width: 690upx;
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height: 100upx;
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padding: 0 30upx;
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background: rgba(255, 255, 255, .9);
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box-shadow: 0 0 20upx 0 rgba(0, 0, 0, .5);
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border-radius: 16upx;
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.checkbox {
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height: 52upx;
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position: relative;
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image {
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width: 52upx;
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height: 100%;
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position: relative;
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z-index: 5;
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}
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}
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.clear-btn {
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position: absolute;
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left: 26upx;
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top: 0;
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z-index: 4;
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width: 0;
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height: 52upx;
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line-height: 52upx;
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padding-left: 38upx;
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font-size: $font-base;
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color: #fff;
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background: $font-color-disabled;
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border-radius: 0 50px 50px 0;
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opacity: 0;
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transition: .2s;
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&.show {
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opacity: 1;
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width: 120upx;
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}
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}
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.total-box {
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flex: 1;
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display: flex;
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flex-direction: column;
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text-align: right;
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padding-right: 40upx;
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.price {
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font-size: $font-lg;
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color: $font-color-dark;
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}
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.coupon {
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font-size: $font-sm;
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color: $font-color-light;
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text {
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color: $font-color-dark;
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}
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}
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}
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.confirm-btn {
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padding: 0 38upx;
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margin: 0;
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border-radius: 100px;
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height: 76upx;
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line-height: 76upx;
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font-size: $font-base + 2upx;
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background: $uni-color-primary;
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box-shadow: 1px 2px 5px rgba(217, 60, 93, 0.72)
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}
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}
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/* 复选框选中状态 */
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.action-section .checkbox.checked,
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.cart-item .checkbox.checked {
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color: $uni-color-primary;
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}
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</style>
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