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node_modules/uview-ui/components/u-top-tips/u-top-tips.vue 2.74 KB
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  <template>
  	<view class="u-tips" :class="['u-' + type, isShow ? 'u-tip-show' : '']" :style="{
  		top: navbarHeight + 'px',
  		zIndex: uZIndex
  	}">{{ title }}</view>
  </template>
  
  <script>
  	/**
  	 * topTips 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 https://www.uviewui.com/components/topTips.html
  	 * @property {String Number} navbar-height 导航栏高度(包含状态栏高度在内),单位PX
  	 * @property {String Number} z-index z-index值(默认975
  	 * @example <u-top-tips ref="uTips"></u-top-tips>
  	 */
  	export default {
  		name: "u-top-tips",
  		props: {
  			// 导航栏高度,用于提示的初始化
  			navbarHeight: {
  				type: [Number, String],
  				// #ifndef H5
  				default: 0,
  				// #endif
  				// #ifdef H5
  				default: 44,
  				// #endif
  			},
  			// z-index值
  			zIndex: {
  				type: [Number, String],
  				default: ''
  			}
  		},
  		data() {
  			return {
  				timer: null, // 定时器
  				isShow: false, // 是否显示消息组件
  				title: '', // 组件中显示的消息内容
  				type: 'primary', // 消息的类型(颜色不同),primary,success,error,warning,info
  				duration: 2000, // 组件显示的时间,单位为毫秒
  			};
  		},
  		computed: {
  			uZIndex() {
  				return this.zIndex ? this.zIndex : this.$u.zIndex.topTips;
  			}
  		},
  		methods: {
  			show(config = {}) {
  				// 先清除定时器(可能是上一次定义的,需要清除了再开始新的)
  				clearTimeout(this.timer);
  				// 时间,内容,类型主题(type)等参数
  				if (config.duration) this.duration = config.duration;
  				if (config.type) this.type = config.type;
  				this.title = config.title;
  				this.isShow = true;
  				// 倒计时
  				this.timer = setTimeout(() => {
  					this.isShow = false;
  					clearTimeout(this.timer);
  					this.timer = null;
  				}, this.duration);
  			}
  		}
  	};
  </script>
  
  <style lang="scss" scoped>
  	@import "../../libs/css/style.components.scss";
  	
  	view {
  		box-sizing: border-box;
  	}
  
  	// 顶部弹出类型样式
  	.u-tips {
  		width: 100%;
  		position: fixed;
  		z-index: 1;
  		padding: 20rpx 30rpx;
  		color: #FFFFFF;
  		font-size: 28rpx;
  		left: 0;
  		right: 0;
  		@include vue-flex;
  		align-items: center;
  		justify-content: center;
  		opacity: 0;
  		// 此处为最核心点,translateY(-100%)意味着将其从Y轴隐藏(隐藏到顶部(h5)或者说导航栏(app)下面)
  		transform: translateY(-100%);
  		transition: all 0.35s linear;
  	}
  
  	.u-tip-show {
  		transform: translateY(0);
  		opacity: 1;
  		z-index: 99;
  	}
  
  	.u-primary {
  		background: $u-type-primary;
  	}
  
  	.u-success {
  		background: $u-type-success;
  	}
  
  	.u-warning {
  		background: $u-type-warning;
  	}
  
  	.u-error {
  		background: $u-type-error;
  	}
  
  	.u-info {
  		background: $u-type-info;
  	}
  </style>