93 lines
		
	
	
		
			2.6 KiB
		
	
	
	
		
			Vue
		
	
	
	
			
		
		
	
	
			93 lines
		
	
	
		
			2.6 KiB
		
	
	
	
		
			Vue
		
	
	
	
| <template>
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| 	<view
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| 		v-if="inited"
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| 		class="u-transition"
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| 		ref="u-transition"
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| 		@tap="clickHandler"
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| 		:class="classes"
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| 		:style="[mergeStyle]"
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| 		@touchmove="noop"
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| 	>
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| 		<slot />
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| 	</view>
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| </template>
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| 
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| <script>
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| import props from './props.js';
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| // 组件的methods方法,由于内容较长,写在外部文件中通过mixin引入
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| import transition from "./transition.js";
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| /**
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|  * transition  动画组件
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|  * @description
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|  * @tutorial
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|  * @property {String}			show			是否展示组件 (默认 false )
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|  * @property {String}			mode			使用的动画模式 (默认 'fade' )
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|  * @property {String | Number}	duration		动画的执行时间,单位ms (默认 '300' )
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|  * @property {String}			timingFunction	使用的动画过渡函数 (默认 'ease-out' )
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|  * @property {Object}			customStyle		自定义样式
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|  * @event {Function} before-enter	进入前触发
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|  * @event {Function} enter			进入中触发
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|  * @event {Function} after-enter	进入后触发
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|  * @event {Function} before-leave	离开前触发
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|  * @event {Function} leave			离开中触发
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|  * @event {Function} after-leave	离开后触发
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|  * @example
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|  */
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| export default {
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| 	name: 'u-transition',
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| 	data() {
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| 		return {
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| 			inited: false, // 是否显示/隐藏组件
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| 			viewStyle: {}, // 组件内部的样式
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| 			status: '', // 记录组件动画的状态
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| 			transitionEnded: false, // 组件是否结束的标记
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| 			display: false, // 组件是否展示
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| 			classes: '', // 应用的类名
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| 		}
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| 	},
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| 	computed: {
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| 	    mergeStyle() {
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| 	        const { viewStyle, customStyle } = this
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| 	        return {
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| 	            // #ifndef APP-NVUE
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| 	            transitionDuration: `${this.duration}ms`,
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| 	            // display: `${this.display ? '' : 'none'}`,
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| 				transitionTimingFunction: this.timingFunction,
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| 	            // #endif
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| 				// 避免自定义样式影响到动画属性,所以写在viewStyle前面
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| 	            ...uni.$u.addStyle(customStyle),
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| 	            ...viewStyle
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| 	        }
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| 	    }
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| 	},
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| 	// 将mixin挂在到组件中,uni.$u.mixin实际上为一个vue格式对象
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| 	mixins: [uni.$u.mpMixin, uni.$u.mixin, transition, props],
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| 	watch: {
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| 		show: {
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| 			handler(newVal) {
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| 				// vue和nvue分别执行不同的方法
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| 				// #ifdef APP-NVUE
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| 				newVal ? this.nvueEnter() : this.nvueLeave()
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| 				// #endif
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| 				// #ifndef APP-NVUE
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| 				newVal ? this.vueEnter() : this.vueLeave()
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| 				// #endif
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| 			},
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| 			// 表示同时监听初始化时的props的show的意思
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| 			immediate: true
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| 		}
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| 	}
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| }
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| </script>
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| 
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| <style lang="scss" scoped>
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| @import '../../libs/css/components.scss';
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| 
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| /* #ifndef APP-NVUE */
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| // vue版本动画相关的样式抽离在外部文件
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| @import './vue.ani-style.scss';
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| /* #endif */
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| 
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| .u-transition {}
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| </style>
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