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							- <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
 
- 				}
 
- 				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 = this.$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.isShow = 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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