活动按钮状态流转

pagesPoints/component/modal/quantity.vue

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+<!-- +----------------------------------------------------------------------
+| 麦沃德科技赋能开发者，助力商协会发展
++----------------------------------------------------------------------
+| Copyright (c) 2017～2024  www.wdsxh.cn    All rights reserved.
++----------------------------------------------------------------------
+| 沃德商协会系统并不是自由软件，不加密，并不代表开源，未经许可不可自由转售和商用
++----------------------------------------------------------------------
+| Author: MY WORLD Team <bd@maiwd.cn>   www.maiwd.cn
++----------------------------------------------------------------------
+| 数量选择弹窗 开发者: 麦沃德科技-半夏
++---------------------------------------------------------------------- -->
+
+<template>
+	<view class="component-modal-quantity" @click.stop>
+		<uni-popup ref="popupModal" type="bottom" :safe-area="false" @change="onChange">
+			<view class="modal-box" :style="{'--theme-color': themeColor}">
+				<view class="modal-content flex align-items-center">
+					<view class="content-title">选择商品数量：</view>
+					<view class="content-select flex-item flex justify-content-end align-items-center">
+						<view class="select-btn" :class="{disabled: parseInt(selectQuantity) <= 1}" @click="handleSubtraction()">
+							<image class="icon" src="@/static/mall/subtraction.png" mode="aspectFit"></image>
+						</view>
+						<input class="select-number" v-model="selectQuantity" type="number" @blur="handleBlur()" />
+						<view class="select-btn" @click="handleAddition()">
+							<image class="icon" src="@/static/mall/addition.png" mode="aspectFit"></image>
+						</view>
+					</view>
+				</view>
+				<view class="modal-footer">
+					<view class="footer-btn" @click="onConfirm()">确认</view>
+				</view>
+			</view>
+		</uni-popup>
+	</view>
+</template>
+
+<script>
+	import { mapState } from "vuex"
+	export default {
+		name: "componentModalQuantity",
+		data() {
+			return {
+				// 选择数量
+				selectQuantity: 1,
+			};
+		},
+		computed: {
+			...mapState({
+				themeColor: state => state.app.themeColor,
+			})
+		},
+		methods: {
+			// 打开模态框
+			open(value) {
+				this.selectQuantity = parseInt(value)
+				this.$refs.popupModal.open()
+			},
+			// 关闭弹窗
+			onClose() {
+				this.$refs.popupModal.close()
+			},
+			// 改变事件
+			onChange(e) {
+				this.$emit("onChange", e.show)
+			},
+			// 选择事件
+			onConfirm() {
+				this.onClose()
+				this.$emit("confirm", this.selectQuantity)
+			},
+			// 减少数量
+			handleSubtraction() {
+				if (this.selectQuantity > 1) this.selectQuantity--
+				this.$forceUpdate()
+			},
+			// 增加数量
+			handleAddition() {
+				this.selectQuantity++
+				this.$forceUpdate()
+			},
+			// 数量判断
+			handleBlur() {
+				this.selectQuantity = parseInt(this.selectQuantity) || 1
+				if (this.selectQuantity < 1) this.selectQuantity = 1
+				this.$forceUpdate()
+			},
+		},
+	}
+</script>
+
+<style lang="scss" scoped>
+	.component-modal-quantity {
+		position: relative;
+		z-index: 999;
+
+		.modal-box {
+			background: #FFFFFF;
+			border-radius: 20rpx 20rpx 0 0;
+			width: 100vw;
+			padding-bottom: constant(safe-area-inset-bottom);
+			padding-bottom: env(safe-area-inset-bottom);
+
+			.modal-content {
+				padding: 64rpx 48rpx;
+
+				.content-title {
+					color: #000;
+					font-size: 32rpx;
+					line-height: 44rpx;
+				}
+
+				.content-select {
+					margin-left: 24rpx;
+
+					.select-btn {
+						width: 40rpx;
+						height: 40rpx;
+						border-radius: 50%;
+						background: var(--theme-color);
+						overflow: hidden;
+
+						&.disabled {
+							opacity: .5;
+						}
+
+						.icon {
+							width: 100%;
+							height: 100%;
+						}
+					}
+
+					.select-number {
+						color: #000;
+						font-size: 28rpx;
+						line-height: 48rpx;
+						height: 48rpx;
+						border-radius: 10rpx;
+						background: #F2F2F2;
+						padding: 0 16rpx;
+						text-align: center;
+						width: 120rpx;
+						box-sizing: border-box;
+						margin: 0 20rpx;
+					}
+				}
+			}
+
+			.modal-footer {
+				padding: 16rpx 24rpx;
+				border-top: 1px solid #ccc;
+
+				.footer-btn {
+					color: #FFF;
+					text-align: center;
+					font-size: 28rpx;
+					line-height: 40rpx;
+					padding: 20rpx 32rpx;
+					border-radius: 40rpx;
+					background: var(--theme-color);
+				}
+			}
+		}
+	}
+</style>