200 lines
		
	
	
		
			5.9 KiB
		
	
	
	
		
			Vue
		
	
	
	
		
		
			
		
	
	
			200 lines
		
	
	
		
			5.9 KiB
		
	
	
	
		
			Vue
		
	
	
	
|  | <template> | |||
|  | 	<view v-if="loading" :style="{ | |||
|  | 		width: windowWinth + 'px',  | |||
|  | 		height: windowHeight + 'px',  | |||
|  | 		backgroundColor: bgColor,  | |||
|  | 		position: 'absolute',  | |||
|  | 		left: left + 'px',  | |||
|  | 		top: top + 'px',  | |||
|  | 		zIndex: 9998,  | |||
|  | 		overflow: 'hidden' | |||
|  | 	}" | |||
|  | 	 @touchmove.stop.prevent> | |||
|  | 		<view v-for="(item, index) in RectNodes" :key="$u.guid()" :class="[animation ? 'skeleton-fade' : '']" :style="{ | |||
|  | 			width: item.width + 'px',  | |||
|  | 			height: item.height + 'px',  | |||
|  | 			backgroundColor: elColor,  | |||
|  | 			position: 'absolute',  | |||
|  | 			left: (item.left - left) + 'px',  | |||
|  | 			top: (item.top - top) + 'px' | |||
|  | 		}"></view> | |||
|  | 		<view v-for="(item, index) in circleNodes" :key="$u.guid()" :class="animation ? 'skeleton-fade' : ''" :style="{ | |||
|  | 			width: item.width + 'px',  | |||
|  | 			height: item.height + 'px',  | |||
|  | 			backgroundColor: elColor,  | |||
|  | 			borderRadius: item.width/2 + 'px',  | |||
|  | 			position: 'absolute',  | |||
|  | 			left: (item.left - left) + 'px', | |||
|  | 			top: (item.top - top) + 'px' | |||
|  | 		}"></view> | |||
|  | 		<view v-for="(item, index) in filletNodes" :key="$u.guid()" :class="animation ? 'skeleton-fade' : ''" :style="{ | |||
|  | 			width: item.width + 'px',  | |||
|  | 			height: item.height + 'px',  | |||
|  | 			backgroundColor: elColor,  | |||
|  | 			borderRadius: borderRadius + 'rpx',  | |||
|  | 			position: 'absolute',  | |||
|  | 			left: (item.left - left) + 'px', | |||
|  | 			top: (item.top - top) + 'px' | |||
|  | 		}"></view> | |||
|  | 	</view> | |||
|  | </template> | |||
|  | 
 | |||
|  | <script> | |||
|  | 	/** | |||
|  | 	 * skeleton 骨架屏 | |||
|  | 	 * @description 骨架屏一般用于页面在请求远程数据尚未完成时,页面用灰色块预显示本来的页面结构,给用户更好的体验。 | |||
|  | 	 * @tutorial https://www.uviewui.com/components/skeleton.html
 | |||
|  | 	 * @property {String} el-color 骨架块状元素的背景颜色(默认#e5e5e5) | |||
|  | 	 * @property {String} bg-color 骨架组件背景颜色(默认#ffffff) | |||
|  | 	 * @property {Boolean} animation 骨架块是否显示动画效果(默认false) | |||
|  | 	 * @property {String Number} border-radius u-skeleton-fillet类名元素,对应的骨架块的圆角大小,单位rpx(默认10) | |||
|  | 	 * @property {Boolean} loading 是否显示骨架组件,请求完成后,将此值设置为false(默认true) | |||
|  | 	 * @example <u-skeleton :loading="true" :animation="true"></u-skeleton> | |||
|  | 	 */ | |||
|  | 	export default { | |||
|  | 		name: "u-skeleton", | |||
|  | 		props: { | |||
|  | 			// 需要渲染的元素背景颜色,十六进制或者rgb等都可以
 | |||
|  | 			elColor: { | |||
|  | 				type: String, | |||
|  | 				default: '#e5e5e5' | |||
|  | 			}, | |||
|  | 			// 整个骨架屏页面的背景颜色
 | |||
|  | 			bgColor: { | |||
|  | 				type: String, | |||
|  | 				default: '#ffffff' | |||
|  | 			}, | |||
|  | 			// 是否显示加载动画
 | |||
|  | 			animation: { | |||
|  | 				type: Boolean, | |||
|  | 				default: false | |||
|  | 			}, | |||
|  | 			// 圆角值,只对类名为u-skeleton-fillet的元素生效,为数值,不带单位
 | |||
|  | 			borderRadius: { | |||
|  | 				type: [String, Number], | |||
|  | 				default: "10" | |||
|  | 			}, | |||
|  | 			// 是否显示骨架,true-显示,false-隐藏
 | |||
|  | 			loading: { | |||
|  | 				type: Boolean, | |||
|  | 				default: true | |||
|  | 			} | |||
|  | 		}, | |||
|  | 		data() { | |||
|  | 			return { | |||
|  | 				windowWinth: 750, // 骨架屏宽度
 | |||
|  | 				windowHeight: 1500, // 骨架屏高度
 | |||
|  | 				filletNodes: [], // 圆角元素
 | |||
|  | 				circleNodes: [], // 圆形元素
 | |||
|  | 				RectNodes: [], // 矩形元素
 | |||
|  | 				top: 0, | |||
|  | 				left: 0, | |||
|  | 			} | |||
|  | 		}, | |||
|  | 		methods: { | |||
|  | 			// 查询各节点的信息
 | |||
|  | 			selecterQueryInfo() { | |||
|  | 				// 获取整个父组件容器的高度,当做骨架屏的高度 
 | |||
|  | 				// 在微信小程序中,如果把骨架屏放入组件中使用的话,需要调in(this)上下文为父组件才有效
 | |||
|  | 				let query = ''; | |||
|  | 				// #ifdef MP-WEIXIN
 | |||
|  | 				query = uni.createSelectorQuery().in(this.$parent); | |||
|  | 				// #endif
 | |||
|  | 				// #ifndef MP-WEIXIN
 | |||
|  | 				query = uni.createSelectorQuery() | |||
|  | 				// #endif
 | |||
|  | 				query.selectAll('.u-skeleton').boundingClientRect().exec((res) => { | |||
|  | 					this.windowHeight = res[0][0].height; | |||
|  | 					this.windowWinth = res[0][0].width; | |||
|  | 					this.top = res[0][0].bottom - res[0][0].height; | |||
|  | 					this.left = res[0][0].left; | |||
|  | 				}); | |||
|  | 				// 矩形骨架元素
 | |||
|  | 				this.getRectEls(); | |||
|  | 				// 圆形骨架元素
 | |||
|  | 				this.getCircleEls(); | |||
|  | 				// 圆角骨架元素
 | |||
|  | 				this.getFilletEls(); | |||
|  | 			}, | |||
|  | 			// 矩形元素列表
 | |||
|  | 			getRectEls() { | |||
|  | 				let query = ''; | |||
|  | 				// 在微信小程序中,如果把骨架屏放入组件中使用的话,需要调in(this)上下文为父组件才有效
 | |||
|  | 				// #ifdef MP-WEIXIN
 | |||
|  | 				query = uni.createSelectorQuery().in(this.$parent); | |||
|  | 				// #endif
 | |||
|  | 				// #ifndef MP-WEIXIN
 | |||
|  | 				query = uni.createSelectorQuery() | |||
|  | 				// #endif
 | |||
|  | 				query.selectAll('.u-skeleton-rect').boundingClientRect().exec((res) => { | |||
|  | 					this.RectNodes = res[0]; | |||
|  | 				}); | |||
|  | 			}, | |||
|  | 			// 圆角元素列表
 | |||
|  | 			getFilletEls() { | |||
|  | 				let query = ''; | |||
|  | 				// 在微信小程序中,如果把骨架屏放入组件中使用的话,需要调in(this)上下文为父组件才有效
 | |||
|  | 				// #ifdef MP-WEIXIN
 | |||
|  | 				query = uni.createSelectorQuery().in(this.$parent); | |||
|  | 				// #endif
 | |||
|  | 				// #ifndef MP-WEIXIN
 | |||
|  | 				query = uni.createSelectorQuery() | |||
|  | 				// #endif
 | |||
|  | 				query.selectAll('.u-skeleton-fillet').boundingClientRect().exec((res) => { | |||
|  | 					this.filletNodes = res[0]; | |||
|  | 				}); | |||
|  | 			}, | |||
|  | 			// 圆形元素列表
 | |||
|  | 			getCircleEls() { | |||
|  | 				let query = ''; | |||
|  | 				// 在微信小程序中,如果把骨架屏放入组件中使用的话,需要调in(this)上下文为父组件才有效
 | |||
|  | 				// #ifdef MP-WEIXIN
 | |||
|  | 				query = uni.createSelectorQuery().in(this.$parent); | |||
|  | 				// #endif
 | |||
|  | 				// #ifndef MP-WEIXIN
 | |||
|  | 				query = uni.createSelectorQuery() | |||
|  | 				// #endif
 | |||
|  | 				query.selectAll('.u-skeleton-circle').boundingClientRect().exec((res) => { | |||
|  | 					this.circleNodes = res[0]; | |||
|  | 				}); | |||
|  | 			} | |||
|  | 		}, | |||
|  | 		// 组件被挂载
 | |||
|  | 		mounted() { | |||
|  | 			// 获取系统信息
 | |||
|  | 			let systemInfo = uni.getSystemInfoSync(); | |||
|  | 			this.windowHeight = systemInfo.windowHeight; | |||
|  | 			this.windowWinth = systemInfo.windowWidth; | |||
|  | 			this.selecterQueryInfo(); | |||
|  | 		} | |||
|  | 	} | |||
|  | </script> | |||
|  | 
 | |||
|  | <style lang="scss" scoped> | |||
|  | 	@import "../../libs/css/style.components.scss"; | |||
|  | 	 | |||
|  | 	.skeleton-fade { | |||
|  | 		width: 100%; | |||
|  | 		height: 100%; | |||
|  | 		background: rgb(194, 207, 214); | |||
|  | 		animation-duration: 1.5s; | |||
|  | 		animation-name: blink; | |||
|  | 		animation-timing-function: ease-in-out; | |||
|  | 		animation-iteration-count: infinite; | |||
|  | 	} | |||
|  | 
 | |||
|  | 	@keyframes blink { | |||
|  | 		0% { | |||
|  | 			opacity: 1; | |||
|  | 		} | |||
|  | 
 | |||
|  | 		50% { | |||
|  | 			opacity: 0.4; | |||
|  | 		} | |||
|  | 
 | |||
|  | 		100% { | |||
|  | 			opacity: 1; | |||
|  | 		} | |||
|  | 	} | |||
|  | </style> |