uniapp组件uni-popup弹出层的使用

 官方示例：uni-popup 弹出层 - DCloud 插件市场

弹出层组件用于弹出一个覆盖到页面上的内容，使用场景如：底部弹出分享弹窗、页面插屏广告等

一、基本用法

<template>
	<view>
		<button type="primary" @click="toggle('top')">顶部弹出</button>
		<button type="primary" @click="toggle('center')">居中弹出</button>
		<button type="primary" @click="toggle('bottom')">底部弹出</button>
		<uni-popup ref="popup" :type="type" :animation="false" :maskClick="true" @change="change">
			<view style="background-color: #fff;padding: 15px;">
				popup 内容，此示例没有动画效果
			</view>
		</uni-popup>
	</view>
</template>
 
<script>
export default {
	data() {
		return {
			type: 'top'
		};
	},
	methods: {
		toggle(type) {
			this.type = type;
			this.$refs['popup'].open();
		},
		change(e) {
			uni.showToast({
				title:'popup: ' + e.type + ' ,状态:'+e.show
			})
		}
	}
};
</script>

二、自定义弹出层(dialog + message) 示例

<template>
	<view>
		<button style="background-color: #4cd964;" @click="toggleMessage('success')">成功</button>
		<button style="background-color: #dd524d;" @click="toggleMessage('error')">错误</button>
		<button style="background-color: #f0ad4e;" @click="toggleMessage('warn')">警告</button>
		<button style="background-color: #909399;" @click="toggleMessage('info')">信息</button>
		<!-- 消息提示 -->
		<uni-popup ref="popupMessage" type="message">
			<uni-popup-message :type="msgType" :message="message" :duration="700" />
		</uni-popup>
		<!-- 对话框 -->
		<uni-popup ref="popupDialog" type="dialog">
			<uni-popup-dialog :type="msgType" title="通知" content="欢迎使用 uni-popup!" :before-close="true" @confirm="dialogConfirm" @close="dialogClose" />
		</uni-popup>
	</view>
</template>
 
<script>
export default {
	data() {
		return {
			msgType: 'success',
			message: '这是一条成功消息提示'
		};
	},
	methods: {
		toggleMessage(type) {
			this.msgType = type;
			switch (type) {
				case 'success':
					this.message = '这是一条成功消息提示';
					break;
				case 'warn':
					this.message = '这是一条警告消息提示';
					break;
				case 'info':
					this.message = '这是一条消息提示';
					break;
				case 'error':
					this.message = '这是一条错误消息提示';
					break;
			}
			this.$refs['popupDialog'].open();
		},
		dialogConfirm() {
			this.$refs.popupMessage.open();
			
			this.$refs['popupDialog'].close();
		},
		dialogClose() {
			this.msgType = 'info';
			this.message = '点击了对话框的取消按钮';
			this.$refs.popupMessage.open();
			
			this.$refs.popupDialog.close();
		}
	}
};
</script>

三、提交信息 (input + 延迟关闭)

<template>
	<view>
		输入内容：{{value}}
		<button type="primary" @click="confirmDialog">输入对话框</button>
		<uni-popup ref="dialogInput" type="dialog">
			<uni-popup-dialog mode="input" title="输入内容" value="对话框预置提示内容!" placeholder="请输入内容" @confirm="dialogInputConfirm"/>
		</uni-popup>
	</view>
</template>
 
<script>
	export default {
		data() {
			return {
				msgType: 'success',
				value: '默认输入的内容'
			}
		},
		methods: {
			confirmDialog() {
				this.$refs['dialogInput'].open()
			},
			dialogConfirm(done) {
				this.$refs['popupMessage'].open()
			},
			dialogInputConfirm( val) {
				uni.showLoading({
					title: '1秒后会关闭'
				})
				this.value = val
				setTimeout(() => {
					uni.hideLoading()
				}, 1000)
			}
		},
	}
</script>

四、底部分享示例

<template>
	<view>
		<button type="primary" @click="confirmShare">分享模版示例</button>
		<uni-popup ref="popupShare" type="share">
			<uni-popup-share title="分享到" @select="select"></uni-popup-share>
		</uni-popup>
	</view>
</template>
 
<script>
	export default {
		data() {
			return {
			}
		},
		methods: {
			confirmShare() {
				this.$refs.popupShare.open()
			},
			select(e) {
				uni.showToast({
					title: `您选择了第${e.index+1}项：${e.item.text}`,
					icon: 'none'
				})
			}
		},
	}
</script>

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