uniapp 自定义弹窗组件

先上效果：

组件源码：slot-modal.vue

<template>

	<view class="modal-container" v-if="show" @click.stop="cancel(2)">

		<view class="modal-content">

			<view class="modal-head modal-title-padding">

				<slot name="modal-head"></slot>

			</view>

			<view class="modal-body">

				<slot name="modal-body"></slot>

			</view>

			<view class="modal-footer">

				<view class="modal-col" hover-class="modal-hover" v-if="cancelText" @click.stop="cancel('cancel')">

					<text :style="cancelStyle" class="modal-row-text">{{cancelText}}</text>

				</view>

				<view :style="confirmStyle" class="modal-col modal-confirm" hover-class="modal-hover" @click.stop="confirm">

					<text :style="confirmStyle" class="modal-row-text">{{confirmText}}</text>

				</view>

			</view>

		</view>

	</view>

</template>

<script>

	export default {

		name: 'modal',

		props: {

			//默认是否显示

			show: {

				type: Boolean,

				default: true

			},

			//取消按钮文字

			cancelText: {

				type: String,

				default: ''

			},

			//取消样式

			cancelStyle: {

				type: [String, Object]

			},

			//确定按钮文字

			confirmText: {

				type: String,

				default: '确定'

			},

			//确定样式

			confirmStyle: {

				type: [String, Object]

			},

			//阻止点击对话框外侧锁屏

			disableScreenClick: {

				type: Boolean,

				default: false

			}

		},

		methods: {

			confirm() {

				this.$emit('confirm')

			},

			cancel(type) {

				if (!this.disableScreenClick || type === 'cancel') {

					this.$emit('cancel')

				}

			}

		}

	}

</script>

<style lang="scss" scoped>

	$fontSizeLg:17px;

	$fontSizeSm:15px;

	.modal-container {

		position: fixed;

		top: 0;

		left: 0;

		right: 0;

		bottom: 0;

		z-index: 999;

		background-color: rgba(0, 0, 0, .6);

		transition: all 5s;

		display: flex;

		align-items: center;

		justify-content: center;

		.modal-content {

			width: 80%;

			border-radius: 26rpx;

			background: #FFFFFF;

			overflow: hidden;

			animation: fadeZoom .15s linear;

			.modal-head {

				padding: 30rpx 30rpx 0;

				text-align: center;

				color: #000;

				font-size: $fontSizeLg;

				font-weight: 700;

			}

			.modal-title-padding {

				padding-bottom: 30rpx;

			}

			.modal-body {

				overflow:auto;

				padding: 40rpx 30rpx;

				font-size: $fontSizeSm;

				color: #000;

				text-align: center;

			}

			.modal-footer {

				display: flex;

				position: relative;

				text-align: center;

				font-size: $fontSizeLg;

				line-height: 100rpx;

				color: #007AFF;

				border-top: 0.5px solid rgba(9, 20, 31, 0.13);

				.modal-col {

					flex: 1;

					width: 100%;

					position: relative;

				}

				.modal-col:first-child::after {

					content: '';

					position: absolute;

					top: 0;

					bottom: 0;

					right: 0;

					border-right: 1px solid rgba(9, 20, 31, 0.13);

					transform: scaleX(.36);

				}

				.modal-confirm {

					color: rgb(0, 122, 255);

				}

				.modal-hover {

					background-color: #f2f2f2;

				}

			}

			.modal-footer::after {

				content: '';

				position: absolute;

				left: 0;

				right: 0;

				top: 0;

				border-top: 0.5px solid rgba(9, 20, 31, 0.13);

				transform: scaleY(.36);

			}

		}

		@keyframes fadeZoom {

			0% {

				transform: scale(.7);

				opacity: .6;

			}

			80% {

				transform: scale(1.2);

				opacity: .3;

			}

			100% {

				transform: scale(1);

				opacity: 1;

			}

		}

	}

</style>

使用示例：

<template>

	<view class="content">

		<image class="logo" src="/static/logo.png"></image>

		<view class="text-area">

			<text class="title">{{title}}</text>

		</view>

		<view><button type="default" @click="privacyDialogShow=true">用户协议</button></view>

		<slot-modal

			class="modal-privacy"

			:show="privacyDialogShow"

			:disableScreenClick="true"

			confirmText="同意"

			cancelText="不同意"

			@cancel="cancelPrivacy"

			@confirm="confirmPrivacy">

			<template slot="modal-head">

				<text>用户协议及隐私政策</text>

			</template>

			<template slot="modal-body">

				<view class="index-content">

					<text>

						我们非常重视隐私和个人信息保护，请您先认真阅读

						<text class="privacyPolicy" @click.stop="goPage('agreement')">《用户服务协议》</text>和

						<text class="privacyPolicy" @click.stop="goPage('privacy')">《隐私政策》</text>的全部条款，接受全部条款后再开始使用我们的服务。

						<text v-for="item in 40">我们非常重视隐私和个人信息保护，请您先认真阅读我们非常重视隐私和个人信息保护，请您先认真阅读我们非常重视隐私和个人信息保护，请您先认真阅读</text>

					</text>

				</view>

			</template>

		</slot-modal>

	</view>

</template>

<script>

	export default {

		data() {

			return {

				title: 'Hello',

				privacyDialogShow:false

			}

		},

		onLoad() {

		},

		methods: {

			goPage(pageUrl){

				console.log(pageUrl)

				uni.navigateTo({

					url:'../agreement/agreement'

				})

			},

			confirmPrivacy(){

				console.log('同意了用户协议')

				console.log(this.privacyDialogShow)

				this.privacyDialogShow = false

				console.log(this.privacyDialogShow)

			},

			cancelPrivacy(){

				console.log('拒绝了用户协议')

				this.privacyDialogShow=false

			}

		}

	}

</script>

<style>

	.content {

		display: flex;

		flex-direction: column;

		align-items: center;

		justify-content: center;

	}

	.logo {

		height: 200rpx;

		width: 200rpx;

		margin-top: 200rpx;

		margin-left: auto;

		margin-right: auto;

		margin-bottom: 50rpx;

	}

	.text-area {

		display: flex;

		justify-content: center;

	}

	.title {

		font-size: 36rpx;

		color: #8f8f94;

	}

	.index-content{

		max-height: 800rpx;

	}

</style>

通过这次学习，遗留了一个问题还未解决：如何限制modal-body的高度为80%，尝试了多种方法无效，只能写固定高度了。

练习了

(1). 组件自定义事件
(2). 对话框的css布局

巴特西

uniapp 自定义弹窗组件

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