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	uni-app引入使用uView
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		| @@ -0,0 +1,306 @@ | ||||
| <template> | ||||
| 	<view | ||||
| 		class="u-notice" | ||||
| 		@tap="clickHandler" | ||||
| 	> | ||||
| 		<slot name="icon"> | ||||
| 			<view | ||||
| 				class="u-notice__left-icon" | ||||
| 				v-if="icon" | ||||
| 			> | ||||
| 				<u-icon | ||||
| 					:name="icon" | ||||
| 					:color="color" | ||||
| 					size="19" | ||||
| 				></u-icon> | ||||
| 			</view> | ||||
| 		</slot> | ||||
| 		<view | ||||
| 			class="u-notice__content" | ||||
| 			ref="u-notice__content" | ||||
| 		> | ||||
| 			<text | ||||
| 				ref="u-notice__content__text" | ||||
| 				class="u-notice__content__text" | ||||
| 				:style="[textStyle]" | ||||
| 			>{{text}}</text> | ||||
| 		</view> | ||||
| 		<view | ||||
| 			class="u-notice__right-icon" | ||||
| 			v-if="['link', 'closable'].includes(mode)" | ||||
| 		> | ||||
| 			<u-icon | ||||
| 				v-if="mode === 'link'" | ||||
| 				name="arrow-right" | ||||
| 				:size="17" | ||||
| 				:color="color" | ||||
| 			></u-icon> | ||||
| 			<u-icon | ||||
| 				v-if="mode === 'closable'" | ||||
| 				@click="close" | ||||
| 				name="close" | ||||
| 				:size="16" | ||||
| 				:color="color" | ||||
| 			></u-icon> | ||||
| 		</view> | ||||
| 	</view> | ||||
| </template> | ||||
| <script> | ||||
| 	import props from './props.js'; | ||||
| 	// #ifdef APP-NVUE | ||||
| 	const animation = uni.requireNativePlugin('animation') | ||||
| 	const dom = uni.requireNativePlugin('dom') | ||||
| 	// #endif | ||||
| 	/** | ||||
| 	 * RowNotice 滚动通知中的水平滚动模式 | ||||
| 	 * @description 水平滚动 | ||||
| 	 * @tutorial https://www.uviewui.com/components/noticeBar.html | ||||
| 	 * @property {String | Number}	text			显示的内容,字符串 | ||||
| 	 * @property {String}			icon			是否显示左侧的音量图标 (默认 'volume' ) | ||||
| 	 * @property {String}			mode			通告模式,link-显示右箭头,closable-显示右侧关闭图标 | ||||
| 	 * @property {String}			color			文字颜色,各图标也会使用文字颜色 (默认 '#f9ae3d' ) | ||||
| 	 * @property {String}			bgColor			背景颜色 (默认 ''#fdf6ec' ) | ||||
| 	 * @property {String | Number}	fontSize		字体大小,单位px (默认 14 ) | ||||
| 	 * @property {String | Number}	speed			水平滚动时的滚动速度,即每秒滚动多少px(rpx),这有利于控制文字无论多少时,都能有一个恒定的速度  (默认 80 ) | ||||
| 	 *  | ||||
| 	 * @event {Function} click 点击通告文字触发 | ||||
| 	 * @event {Function} close 点击右侧关闭图标触发 | ||||
| 	 * @example  | ||||
| 	 */ | ||||
| 	export default { | ||||
| 		name: 'u-row-notice', | ||||
| 		mixins: [uni.$u.mpMixin, uni.$u.mixin,props], | ||||
| 		data() { | ||||
| 			return { | ||||
| 				animationDuration: '0', // 动画执行时间 | ||||
| 				animationPlayState: 'paused', // 动画的开始和结束执行 | ||||
| 				// nvue下,内容发生变化,导致滚动宽度也变化,需要标志为是否需要重新计算宽度 | ||||
| 				// 不能在内容变化时直接重新计算,因为nvue的animation模块上一次的滚动不是刚好结束,会有影响 | ||||
| 				nvueInit: true, | ||||
| 				show: true | ||||
| 			}; | ||||
| 		}, | ||||
| 		watch: { | ||||
| 			text: { | ||||
| 				immediate: true, | ||||
| 				handler(newValue, oldValue) { | ||||
| 					// #ifdef APP-NVUE | ||||
| 					this.nvueInit = true | ||||
| 					// #endif | ||||
| 					// #ifndef APP-NVUE | ||||
| 					this.vue() | ||||
| 					// #endif | ||||
| 					 | ||||
| 					if(!uni.$u.test.string(newValue)) { | ||||
| 						uni.$u.error('noticebar组件direction为row时,要求text参数为字符串形式') | ||||
| 					} | ||||
| 				} | ||||
| 			}, | ||||
| 			fontSize() { | ||||
| 				// #ifdef APP-NVUE | ||||
| 				this.nvueInit = true | ||||
| 				// #endif | ||||
| 				// #ifndef APP-NVUE | ||||
| 				this.vue() | ||||
| 				// #endif | ||||
| 			}, | ||||
| 			speed() { | ||||
| 				// #ifdef APP-NVUE | ||||
| 				this.nvueInit = true | ||||
| 				// #endif | ||||
| 				// #ifndef APP-NVUE | ||||
| 				this.vue() | ||||
| 				// #endif | ||||
| 			} | ||||
| 		}, | ||||
| 		computed: { | ||||
| 			// 文字内容的样式 | ||||
| 			textStyle() { | ||||
| 				let style = {} | ||||
| 				style.color = this.color | ||||
| 				style.animationDuration = this.animationDuration | ||||
| 				style.animationPlayState = this.animationPlayState | ||||
| 				style.fontSize = uni.$u.addUnit(this.fontSize) | ||||
| 				return style | ||||
| 			}, | ||||
| 		}, | ||||
| 		mounted() { | ||||
| 			// #ifdef APP-PLUS | ||||
| 			// 在APP上(含nvue),监听当前webview是否处于隐藏状态(进入下一页时即为hide状态) | ||||
| 			// 如果webivew隐藏了,为了节省性能的损耗,应停止动画的执行,同时也是为了保持进入下一页返回后,滚动位置保持不变 | ||||
| 			var pages = getCurrentPages() | ||||
| 			var page = pages[pages.length - 1] | ||||
| 			var currentWebview = page.$getAppWebview() | ||||
| 			currentWebview.addEventListener('hide', () => { | ||||
| 				this.webviewHide = true | ||||
| 			}) | ||||
| 			currentWebview.addEventListener('show', () => { | ||||
| 				this.webviewHide = false | ||||
| 			}) | ||||
| 			// #endif | ||||
|  | ||||
| 			this.init() | ||||
| 		}, | ||||
| 		methods: { | ||||
| 			init() { | ||||
| 				// #ifdef APP-NVUE | ||||
| 				this.nvue() | ||||
| 				// #endif | ||||
|  | ||||
| 				// #ifndef APP-NVUE | ||||
| 				this.vue() | ||||
| 				// #endif | ||||
| 				 | ||||
| 				if(!uni.$u.test.string(this.text)) { | ||||
| 					uni.$u.error('noticebar组件direction为row时,要求text参数为字符串形式') | ||||
| 				} | ||||
| 			}, | ||||
| 			// vue版处理 | ||||
| 			async vue() { | ||||
| 				// #ifndef APP-NVUE | ||||
| 				let boxWidth = 0, | ||||
| 					textWidth = 0 | ||||
| 				// 进行一定的延时 | ||||
| 				await uni.$u.sleep() | ||||
| 				// 查询盒子和文字的宽度 | ||||
| 				textWidth = (await this.$uGetRect('.u-notice__content__text')).width | ||||
| 				boxWidth = (await this.$uGetRect('.u-notice__content')).width | ||||
| 				// 根据t=s/v(时间=路程/速度),这里为何不需要加上#u-notice-box的宽度,因为中设置了.u-notice-content样式中设置了padding-left: 100% | ||||
| 				// 恰巧计算出来的结果中已经包含了#u-notice-box的宽度 | ||||
| 				this.animationDuration = `${textWidth / uni.$u.getPx(this.speed)}s` | ||||
| 				// 这里必须这样开始动画,否则在APP上动画速度不会改变 | ||||
| 				this.animationPlayState = 'paused' | ||||
| 				setTimeout(() => { | ||||
| 					this.animationPlayState = 'running' | ||||
| 				}, 10) | ||||
| 				// #endif | ||||
| 			}, | ||||
| 			// nvue版处理 | ||||
| 			async nvue() { | ||||
| 				// #ifdef APP-NVUE | ||||
| 				this.nvueInit = false | ||||
| 				let boxWidth = 0, | ||||
| 					textWidth = 0 | ||||
| 				// 进行一定的延时 | ||||
| 				await uni.$u.sleep() | ||||
| 				// 查询盒子和文字的宽度 | ||||
| 				textWidth = (await this.getNvueRect('u-notice__content__text')).width | ||||
| 				boxWidth = (await this.getNvueRect('u-notice__content')).width | ||||
| 				// 将文字移动到盒子的右边沿,之所以需要这么做,是因为nvue不支持100%单位,否则可以通过css设置 | ||||
| 				animation.transition(this.$refs['u-notice__content__text'], { | ||||
| 					styles: { | ||||
| 						transform: `translateX(${boxWidth}px)` | ||||
| 					}, | ||||
| 				}, () => { | ||||
| 					// 如果非禁止动画,则开始滚动 | ||||
| 					!this.stopAnimation && this.loopAnimation(textWidth, boxWidth) | ||||
| 				}); | ||||
| 				// #endif | ||||
| 			}, | ||||
| 			loopAnimation(textWidth, boxWidth) { | ||||
| 				// #ifdef APP-NVUE | ||||
| 				animation.transition(this.$refs['u-notice__content__text'], { | ||||
| 					styles: { | ||||
| 						// 目标移动终点为-textWidth,也即当文字的最右边贴到盒子的左边框的位置 | ||||
| 						transform: `translateX(-${textWidth}px)` | ||||
| 					}, | ||||
| 					// 滚动时间的计算为,时间 = 路程(boxWidth + textWidth) / 速度,最后转为毫秒 | ||||
| 					duration: (boxWidth + textWidth) / uni.$u.getPx(this.speed) * 1000, | ||||
| 					delay: 10 | ||||
| 				}, () => { | ||||
| 					animation.transition(this.$refs['u-notice__content__text'], { | ||||
| 						styles: { | ||||
| 							// 重新将文字移动到盒子的右边沿 | ||||
| 							transform: `translateX(${this.stopAnimation ? 0 : boxWidth}px)` | ||||
| 						}, | ||||
| 					}, () => { | ||||
| 						// 如果非禁止动画,则继续下一轮滚动 | ||||
| 						if (!this.stopAnimation) { | ||||
| 							// 判断是否需要初始化计算尺寸 | ||||
| 							if (this.nvueInit) { | ||||
| 								this.nvue() | ||||
| 							} else { | ||||
| 								this.loopAnimation(textWidth, boxWidth) | ||||
| 							} | ||||
| 						} | ||||
| 					}); | ||||
| 				}) | ||||
| 				// #endif | ||||
| 			}, | ||||
| 			getNvueRect(el) { | ||||
| 				// #ifdef APP-NVUE | ||||
| 				// 返回一个promise | ||||
| 				return new Promise(resolve => { | ||||
| 					dom.getComponentRect(this.$refs[el], (res) => { | ||||
| 						resolve(res.size) | ||||
| 					}) | ||||
| 				}) | ||||
| 				// #endif | ||||
| 			}, | ||||
| 			// 点击通告栏 | ||||
| 			clickHandler(index) { | ||||
| 				this.$emit('click') | ||||
| 			}, | ||||
| 			// 点击右侧按钮,需要判断点击的是关闭图标还是箭头图标 | ||||
| 			close() { | ||||
| 				this.$emit('close') | ||||
| 			} | ||||
| 		}, | ||||
| 		// #ifdef APP-NVUE | ||||
| 		beforeDestroy() { | ||||
| 			this.stopAnimation = true | ||||
| 		}, | ||||
| 		// #endif | ||||
| 	}; | ||||
| </script> | ||||
|  | ||||
| <style lang="scss" scoped> | ||||
| 	@import "../../libs/css/components.scss"; | ||||
|  | ||||
| 	.u-notice { | ||||
| 		@include flex; | ||||
| 		align-items: center; | ||||
| 		justify-content: space-between; | ||||
|  | ||||
| 		&__left-icon { | ||||
| 			align-items: center; | ||||
| 			margin-right: 5px; | ||||
| 		} | ||||
|  | ||||
| 		&__right-icon { | ||||
| 			margin-left: 5px; | ||||
| 			align-items: center; | ||||
| 		} | ||||
|  | ||||
| 		&__content { | ||||
| 			text-align: right; | ||||
| 			flex: 1; | ||||
| 			@include flex; | ||||
| 			flex-wrap: nowrap; | ||||
| 			overflow: hidden; | ||||
|  | ||||
| 			&__text { | ||||
| 				font-size: 14px; | ||||
| 				color: $u-warning; | ||||
| 				/* #ifndef APP-NVUE */ | ||||
| 				// 这一句很重要,为了能让滚动左右连接起来 | ||||
| 				padding-left: 100%; | ||||
| 				word-break: keep-all; | ||||
| 				white-space: nowrap; | ||||
| 				animation: u-loop-animation 10s linear infinite both; | ||||
| 				/* #endif */ | ||||
| 			} | ||||
| 		} | ||||
|  | ||||
| 	} | ||||
|  | ||||
| 	@keyframes u-loop-animation { | ||||
| 		0% { | ||||
| 			transform: translate3d(0, 0, 0); | ||||
| 		} | ||||
|  | ||||
| 		100% { | ||||
| 			transform: translate3d(-100%, 0, 0); | ||||
| 		} | ||||
| 	} | ||||
| </style> | ||||
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