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			94 lines
		
	
	
		
			2.7 KiB
		
	
	
	
		
			Vue
		
	
	
	
	
	
		
		
			
		
	
	
			94 lines
		
	
	
		
			2.7 KiB
		
	
	
	
		
			Vue
		
	
	
	
	
	
|   | <template> | |||
|  | 	<view | |||
|  | 	    class="u-row" | |||
|  | 		ref="u-row" | |||
|  | 	    :style="[rowStyle]" | |||
|  | 	    @tap="clickHandler" | |||
|  | 	> | |||
|  | 		<slot /> | |||
|  | 	</view> | |||
|  | </template> | |||
|  | 
 | |||
|  | <script> | |||
|  | 	// #ifdef APP-NVUE
 | |||
|  | 	const dom = uni.requireNativePlugin('dom') | |||
|  | 	// #endif
 | |||
|  | 	import props from './props.js'; | |||
|  | 	/** | |||
|  | 	 * Row 栅格系统中的行 | |||
|  | 	 * @description 通过基础的 12 分栏,迅速简便地创建布局  | |||
|  | 	 * @tutorial https://www.uviewui.com/components/layout.html
 | |||
|  | 	 * @property {String | Number}	gutter		栅格间隔,左右各为此值的一半,单位px  (默认 0 ) | |||
|  | 	 * @property {String}			justify		水平排列方式(微信小程序暂不支持) 可选值为`start`(或`flex-start`)、`end`(或`flex-end`)、`center`、`around`(或`space-around`)、`between`(或`space-between`)  (默认 'start' ) | |||
|  | 	 * @property {String}			align		垂直排列方式 (默认 'center' ) | |||
|  | 	 * @property {Object}			customStyle	定义需要用到的外部样式 | |||
|  | 	 *  | |||
|  | 	 * @event {Function} click row被点击 | |||
|  | 	 * @example <u-row justify="space-between" customStyle="margin-bottom: 10px"></u-row> | |||
|  | 	 */ | |||
|  | 	export default { | |||
|  | 		name: "u-row", | |||
|  | 		mixins: [uni.$u.mpMixin, uni.$u.mixin, props], | |||
|  | 		data() { | |||
|  | 			return { | |||
|  | 				 | |||
|  | 			} | |||
|  | 		}, | |||
|  | 		computed: { | |||
|  | 			uJustify() { | |||
|  | 				if (this.justify == 'end' || this.justify == 'start') return 'flex-' + this.justify | |||
|  | 				else if (this.justify == 'around' || this.justify == 'between') return 'space-' + this.justify | |||
|  | 				else return this.justify | |||
|  | 			}, | |||
|  | 			uAlignItem() { | |||
|  | 				if (this.align == 'top') return 'flex-start' | |||
|  | 				if (this.align == 'bottom') return 'flex-end' | |||
|  | 				else return this.align | |||
|  | 			}, | |||
|  | 			rowStyle() { | |||
|  | 				const style = { | |||
|  | 					alignItems: this.uAlignItem, | |||
|  | 					justifyContent: this.uJustify | |||
|  | 				} | |||
|  | 				// 通过给u-row左右两边的负外边距,消除u-col在有gutter时,第一个和最后一个元素的左内边距和右内边距造成的影响
 | |||
|  | 				if(this.gutter) { | |||
|  | 					style.marginLeft = uni.$u.addUnit(-Number(this.gutter)/2) | |||
|  | 					style.marginRight = uni.$u.addUnit(-Number(this.gutter)/2) | |||
|  | 				} | |||
|  | 				return uni.$u.deepMerge(style, uni.$u.addStyle(this.customStyle)) | |||
|  | 			} | |||
|  | 		}, | |||
|  | 		methods: { | |||
|  | 			clickHandler(e) { | |||
|  | 				this.$emit('click') | |||
|  | 			}, | |||
|  | 			async getComponentWidth() { | |||
|  | 				// 延时一定时间,以确保节点渲染完成
 | |||
|  | 				await uni.$u.sleep() | |||
|  | 				return new Promise(resolve => { | |||
|  | 					// uView封装的获取节点的方法,详见文档
 | |||
|  | 					// #ifndef APP-NVUE
 | |||
|  | 					this.$uGetRect('.u-row').then(res => { | |||
|  | 						resolve(res.width) | |||
|  | 					}) | |||
|  | 					// #endif
 | |||
|  | 					// #ifdef APP-NVUE
 | |||
|  | 					// nvue的dom模块用于获取节点
 | |||
|  | 					dom.getComponentRect(this.$refs['u-row'], (res) => { | |||
|  | 						resolve(res.size.width) | |||
|  | 					}) | |||
|  | 					// #endif
 | |||
|  | 				}) | |||
|  | 			}, | |||
|  | 		} | |||
|  | 	} | |||
|  | </script> | |||
|  | 
 | |||
|  | <style lang="scss" scoped> | |||
|  | 	@import "../../libs/css/components.scss"; | |||
|  | 	 | |||
|  | 	.u-row { | |||
|  | 		@include flex; | |||
|  | 	} | |||
|  | </style> |