| <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>
 |