| 123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304 | <template>	<view class="u-popup">		<u-overlay			:show="show"			@click="overlayClick"			v-if="overlay"			:duration="overlayDuration"			:customStyle="overlayStyle"			:opacity="overlayOpacity"		></u-overlay>		<u-transition			:show="show"			:customStyle="transitionStyle"			:mode="position"			:duration="duration"			@afterEnter="afterEnter"			@click="clickHandler"		>			<view				class="u-popup__content"				:style="[contentStyle]"				@tap.stop="noop"			>				<u-status-bar v-if="safeAreaInsetTop"></u-status-bar>				<slot></slot>				<view					v-if="closeable"					@tap.stop="close"					class="u-popup__content__close"					:class="['u-popup__content__close--' + closeIconPos]"					hover-class="u-popup__content__close--hover"					hover-stay-time="150"				>					<u-icon						name="close"						color="#909399"						size="18"						bold					></u-icon>				</view>				<u-safe-bottom v-if="safeAreaInsetBottom"></u-safe-bottom>			</view>		</u-transition>	</view></template><script>	import props from './props.js';	/**	 * popup 弹窗	 * @description 弹出层容器,用于展示弹窗、信息提示等内容,支持上、下、左、右和中部弹出。组件只提供容器,内部内容由用户自定义	 * @tutorial https://www.uviewui.com/components/popup.html	 * @property {Boolean}			show				是否展示弹窗 (默认 false )	 * @property {Boolean}			overlay				是否显示遮罩 (默认 true )	 * @property {String}			mode				弹出方向(默认 'bottom' )	 * @property {String | Number}	duration			动画时长,单位ms (默认 300 )	 * @property {String | Number}	overlayDuration			遮罩层动画时长,单位ms (默认 350 )	 * @property {Boolean}			closeable			是否显示关闭图标(默认 false )	 * @property {Object | String}	overlayStyle		自定义遮罩的样式	 * @property {String | Number}	overlayOpacity		遮罩透明度,0-1之间(默认 0.5)	 * @property {Boolean}			closeOnClickOverlay	点击遮罩是否关闭弹窗 (默认  true )	 * @property {String | Number}	zIndex				层级 (默认 10075 )	 * @property {Boolean}			safeAreaInsetBottom	是否为iPhoneX留出底部安全距离 (默认 true )	 * @property {Boolean}			safeAreaInsetTop	是否留出顶部安全距离(状态栏高度) (默认 false )	 * @property {String}			closeIconPos		自定义关闭图标位置(默认 'top-right' )	 * @property {String | Number}	round				圆角值(默认 0)	 * @property {Boolean}			zoom				当mode=center时 是否开启缩放(默认 true )	 * @property {Object}			customStyle			组件的样式,对象形式	 * @event {Function} open 弹出层打开	 * @event {Function} close 弹出层收起	 * @example <u-popup v-model="show"><text>出淤泥而不染,濯清涟而不妖</text></u-popup>	 */	export default {		name: 'u-popup',		mixins: [uni.$u.mpMixin, uni.$u.mixin, props],		data() {			return {				overlayDuration: this.duration + 50			}		},		watch: {			show(newValue, oldValue) {				if (newValue === true) {					// #ifdef MP-WEIXIN					const children = this.$children					this.retryComputedComponentRect(children)					// #endif				}			}		},		computed: {			transitionStyle() {				const style = {					zIndex: this.zIndex,					position: 'fixed',					display: 'flex',				}				style[this.mode] = 0				if (this.mode === 'left') {					return uni.$u.deepMerge(style, {						bottom: 0,						top: 0,					})				} else if (this.mode === 'right') {					return uni.$u.deepMerge(style, {						bottom: 0,						top: 0,					})				} else if (this.mode === 'top') {					return uni.$u.deepMerge(style, {						left: 0,						right: 0					})				} else if (this.mode === 'bottom') {					return uni.$u.deepMerge(style, {						left: 0,						right: 0,					})				} else if (this.mode === 'center') {					return uni.$u.deepMerge(style, {						alignItems: 'center',						'justify-content': 'center',						top: 0,						left: 0,						right: 0,						bottom: 0					})				}			},			contentStyle() {				const style = {}				// 通过设备信息的safeAreaInsets值来判断是否需要预留顶部状态栏和底部安全局的位置				// 不使用css方案,是因为nvue不支持css的iPhoneX安全区查询属性				const {					safeAreaInsets				} = uni.$u.sys()				if (this.mode !== 'center') {					style.flex = 1				}				// 背景色,一般用于设置为transparent,去除默认的白色背景				if (this.bgColor) {					style.backgroundColor = this.bgColor				}				if(this.round) {					const value = uni.$u.addUnit(this.round)					if(this.mode === 'top') {						style.borderBottomLeftRadius = value						style.borderBottomRightRadius = value					} else if(this.mode === 'bottom') {						style.borderTopLeftRadius = value						style.borderTopRightRadius = value					} else if(this.mode === 'center') {						style.borderRadius = value					} 				}				return uni.$u.deepMerge(style, uni.$u.addStyle(this.customStyle))			},			position() {				if (this.mode === 'center') {					return this.zoom ? 'fade-zoom' : 'fade'				}				if (this.mode === 'left') {					return 'slide-left'				}				if (this.mode === 'right') {					return 'slide-right'				}				if (this.mode === 'bottom') {					return 'slide-up'				}				if (this.mode === 'top') {					return 'slide-down'				}			},		},		methods: {			// 点击遮罩			overlayClick() {				if (this.closeOnClickOverlay) {					this.$emit('close')				}			},			close(e) {				this.$emit('close')			},			afterEnter() {				this.$emit('open')			},			clickHandler() {				// 由于中部弹出时,其u-transition占据了整个页面相当于遮罩,此时需要发出遮罩点击事件,是否无法通过点击遮罩关闭弹窗				if(this.mode === 'center') {					this.overlayClick()				}				this.$emit('click')			},			// #ifdef MP-WEIXIN			retryComputedComponentRect(children) {				// 组件内部需要计算节点的组件				const names = ['u-calendar-month', 'u-album', 'u-collapse-item', 'u-dropdown', 'u-index-item', 'u-index-list',					'u-line-progress', 'u-list-item', 'u-rate', 'u-read-more', 'u-row', 'u-row-notice', 'u-scroll-list',					'u-skeleton', 'u-slider', 'u-steps-item', 'u-sticky', 'u-subsection', 'u-swipe-action-item', 'u-tabbar',					'u-tabs', 'u-tooltip'				]				// 历遍所有的子组件节点				for (let i = 0; i < children.length; i++) {					const child = children[i]					// 拿到子组件的子组件					const grandChild = child.$children					// 判断如果在需要重新初始化的组件数组中名中,并且存在init方法的话,则执行					if (names.includes(child.$options.name) && typeof child?.init === 'function') {						// 需要进行一定的延时,因为初始化页面需要时间						uni.$u.sleep(50).then(() => {							child.init()						})					}					// 如果子组件还有孙组件,进行递归历遍					if (grandChild.length) {						this.retryComputedComponentRect(grandChild)					}				}			}			// #endif		}	}</script><style lang="scss" scoped>	@import "../../libs/css/components.scss";	$u-popup-flex:1 !default;	$u-popup-content-background-color: #fff !default;	.u-popup {		flex: $u-popup-flex;		&__content {			background-color: $u-popup-content-background-color;			position: relative;			&--round-top {				border-top-left-radius: 0;				border-top-right-radius: 0;				border-bottom-left-radius: 10px;				border-bottom-right-radius: 10px;			}			&--round-left {				border-top-left-radius: 0;				border-top-right-radius: 10px;				border-bottom-left-radius: 0;				border-bottom-right-radius: 10px;			}			&--round-right {				border-top-left-radius: 10px;				border-top-right-radius: 0;				border-bottom-left-radius: 10px;				border-bottom-right-radius: 0;			}			&--round-bottom {				border-top-left-radius: 10px;				border-top-right-radius: 10px;				border-bottom-left-radius: 0;				border-bottom-right-radius: 0;			}			&--round-center {				border-top-left-radius: 10px;				border-top-right-radius: 10px;				border-bottom-left-radius: 10px;				border-bottom-right-radius: 10px;			}			&__close {				position: absolute;				&--hover {					opacity: 0.4;				}			}			&__close--top-left {				top: 15px;				left: 15px;			}			&__close--top-right {				top: 15px;				right: 15px;			}			&__close--bottom-left {				bottom: 15px;				left: 15px;			}			&__close--bottom-right {				right: 15px;				bottom: 15px;			}		}	}</style>
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