| 123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211 | <template>	<u-transition		mode="slide-down"		:customStyle="containerStyle"		:show="open"	>		<view			class="u-notify"			:class="[`u-notify--${tmpConfig.type}`]"			:style="[backgroundColor, $u.addStyle(customStyle)]"		>			<u-status-bar v-if="tmpConfig.safeAreaInsetTop"></u-status-bar>			<view class="u-notify__warpper">				<slot name="icon">					<u-icon						v-if="['success', 'warning', 'error'].includes(tmpConfig.type)"						:name="tmpConfig.icon"						:color="tmpConfig.color"						:size="1.3 * tmpConfig.fontSize"						:customStyle="{marginRight: '4px'}"					></u-icon>				</slot>				<text					class="u-notify__warpper__text"					:style="{						fontSize: $u.addUnit(tmpConfig.fontSize),						color: tmpConfig.color					}"				>{{ tmpConfig.message }}</text>			</view>		</view>	</u-transition></template><script>	import props from './props.js';	/**	 * notify 顶部提示	 * @description 该组件一般用于页面顶部向下滑出一个提示,尔后自动收起的场景	 * @tutorial	 * @property {String | Number}	top					到顶部的距离 ( 默认 0 )	 * @property {String}			type				主题,primary,success,warning,error ( 默认 'primary' )	 * @property {String}			color				字体颜色 ( 默认 '#ffffff' )	 * @property {String}			bgColor				背景颜色	 * @property {String}			message				展示的文字内容	 * @property {String | Number}	duration			展示时长,为0时不消失,单位ms ( 默认 3000 )	 * @property {String | Number}	fontSize			字体大小 ( 默认 15 )	 * @property {Boolean}			safeAreaInsetTop	是否留出顶部安全距离(状态栏高度) ( 默认 false )	 * @property {Object}			customStyle			组件的样式,对象形式	 * @event {Function}	open	开启组件时调用的函数	 * @event {Function}	close	关闭组件式调用的函数	 * @example <u-notify message="Hi uView"></u-notify>	 */	export default {		name: 'u-notify',		mixins: [uni.$u.mpMixin, uni.$u.mixin,props],		data() {			return {				// 是否展示组件				open: false,				timer: null,				config: {					// 到顶部的距离					top: uni.$u.props.notify.top,					// type主题,primary,success,warning,error					type: uni.$u.props.notify.type,					// 字体颜色					color: uni.$u.props.notify.color,					// 背景颜色					bgColor: uni.$u.props.notify.bgColor,					// 展示的文字内容					message: uni.$u.props.notify.message,					// 展示时长,为0时不消失,单位ms					duration: uni.$u.props.notify.duration,					// 字体大小					fontSize: uni.$u.props.notify.fontSize,					// 是否留出顶部安全距离(状态栏高度)					safeAreaInsetTop: uni.$u.props.notify.safeAreaInsetTop				},				// 合并后的配置,避免多次调用组件后,可能会复用之前使用的配置参数				tmpConfig: {}			}		},		computed: {			containerStyle() {				let top = 0				if (this.tmpConfig.top === 0) {					// #ifdef H5					// H5端,导航栏为普通元素,需要将组件移动到导航栏的下边沿					// H5的导航栏高度为44px					top = 44					// #endif				}				const style = {					top: uni.$u.addUnit(this.tmpConfig.top === 0 ? top : this.tmpConfig.top),					// 因为组件底层为u-transition组件,必须将其设置为fixed定位					// 让其出现在导航栏底部					position: 'fixed',					left: 0,					right: 0,					zIndex: 10076				}				return style			},			// 组件背景颜色			backgroundColor() {				const style = {}				if (this.tmpConfig.bgColor) {					style.backgroundColor = this.tmpConfig.bgColor				}				return style			},			// 默认主题下的图标			icon() {				let icon				if (this.tmpConfig.type === 'success') {					icon = 'checkmark-circle'				} else if (this.tmpConfig.type === 'error') {					icon = 'close-circle'				} else if (this.tmpConfig.type === 'warning') {					icon = 'error-circle'				}				return icon			}		},		created() {			// 通过主题的形式调用toast,批量生成方法函数			['primary', 'success', 'error', 'warning'].map(item => {				this[item] = message => this.show({					type: item,					message				})			})		},		methods: {			show(options) {				// 不将结果合并到this.config变量,避免多次调用u-toast,前后的配置造成混乱				this.tmpConfig = uni.$u.deepMerge(this.config, options)				// 任何定时器初始化之前,都要执行清除操作,否则可能会造成混乱				this.clearTimer()				this.open = true				if (this.tmpConfig.duration > 0) {					this.timer = setTimeout(() => {						this.open = false						// 倒计时结束,清除定时器,隐藏toast组件						this.clearTimer()						// 判断是否存在callback方法,如果存在就执行						typeof(this.tmpConfig.complete) === 'function' && this.tmpConfig.complete()					}, this.tmpConfig.duration)				}			},			// 关闭notify			close() {				this.clearTimer()			},			clearTimer() {				this.open = false				// 清除定时器				clearTimeout(this.timer)				this.timer = null			}		},		beforeDestroy() {			this.clearTimer()		}	}</script><style lang="scss" scoped>	@import "../../libs/css/components.scss";	$u-notify-padding: 8px 10px !default;	$u-notify-text-font-size: 15px !default;	$u-notify-primary-bgColor: $u-primary !default;	$u-notify-success-bgColor: $u-success !default;	$u-notify-error-bgColor: $u-error !default;	$u-notify-warning-bgColor: $u-warning !default;	.u-notify {		padding: $u-notify-padding;		&__warpper {			@include flex;			align-items: center;			text-align: center;			justify-content: center;			&__text {				font-size: $u-notify-text-font-size;				text-align: center;			}		}		&--primary {			background-color: $u-notify-primary-bgColor;		}		&--success {			background-color: $u-notify-success-bgColor;		}		&--error {			background-color: $u-notify-error-bgColor;		}		&--warning {			background-color: $u-notify-warning-bgColor;		}	}</style>
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