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	使用 uview 重构实际登陆
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		| @@ -0,0 +1,35 @@ | ||||
| export default { | ||||
|     props: { | ||||
|         // item标签的名称,作为与u-tabbar的value参数匹配的标识符 | ||||
|         name: { | ||||
|             type: [String, Number, null], | ||||
|             default: uni.$u.props.tabbarItem.name | ||||
|         }, | ||||
|         // uView内置图标或者绝对路径的图片 | ||||
|         icon: { | ||||
|             icon: String, | ||||
|             default: uni.$u.props.tabbarItem.icon | ||||
|         }, | ||||
|         // 右上角的角标提示信息 | ||||
|         badge: { | ||||
|             type: [String, Number, null], | ||||
|             default: uni.$u.props.tabbarItem.badge | ||||
|         }, | ||||
|         // 是否显示圆点,将会覆盖badge参数 | ||||
|         dot: { | ||||
|             type: Boolean, | ||||
|             default: uni.$u.props.tabbarItem.dot | ||||
|         }, | ||||
|         // 描述文本 | ||||
|         text: { | ||||
|             type: String, | ||||
|             default: uni.$u.props.tabbarItem.text | ||||
|         }, | ||||
|         // 控制徽标的位置,对象或者字符串形式,可以设置top和right属性 | ||||
|         badgeStyle: { | ||||
|             type: [Object, String], | ||||
|             default: uni.$u.props.tabbarItem.badgeStyle | ||||
|         } | ||||
|  | ||||
|     } | ||||
| } | ||||
| @@ -0,0 +1,142 @@ | ||||
| <template> | ||||
| 	<view | ||||
| 	    class="u-tabbar-item" | ||||
| 	    :style="[$u.addStyle(customStyle)]" | ||||
| 	    @tap="clickHandler" | ||||
| 	> | ||||
| 		<view class="u-tabbar-item__icon"> | ||||
| 			<u-icon | ||||
| 			    v-if="icon" | ||||
| 			    :name="icon" | ||||
| 			    :color="isActive? parentData.activeColor : parentData.inactiveColor" | ||||
| 			    :size="20" | ||||
| 			></u-icon> | ||||
| 			<template v-else> | ||||
| 				<slot | ||||
| 				    v-if="isActive" | ||||
| 				    name="active-icon" | ||||
| 				/> | ||||
| 				<slot | ||||
| 				    v-else | ||||
| 				    name="inactive-icon" | ||||
| 				/> | ||||
| 			</template> | ||||
| 			<u-badge | ||||
| 				absolute | ||||
| 				:offset="[0, dot ? '34rpx' : badge > 9 ? '14rpx' : '20rpx']" | ||||
| 			    :customStyle="badgeStyle" | ||||
| 			    :isDot="dot" | ||||
| 			    :value="badge || (dot ? 1 : null)" | ||||
| 			    :show="dot || badge > 0" | ||||
| 			></u-badge> | ||||
| 		</view> | ||||
| 		 | ||||
| 		<slot name="text"> | ||||
| 			<text | ||||
| 			    class="u-tabbar-item__text" | ||||
| 			    :style="{ | ||||
| 					color: isActive? parentData.activeColor : parentData.inactiveColor | ||||
| 				}" | ||||
| 			>{{ text }}</text> | ||||
| 		</slot> | ||||
| 	</view> | ||||
| </template> | ||||
|  | ||||
| <script> | ||||
| 	import props from './props.js'; | ||||
| 	/** | ||||
| 	 * TabbarItem 底部导航栏子组件 | ||||
| 	 * @description 此组件提供了自定义tabbar的能力。 | ||||
| 	 * @tutorial https://www.uviewui.com/components/tabbar.html | ||||
| 	 * @property {String | Number}	name		item标签的名称,作为与u-tabbar的value参数匹配的标识符 | ||||
| 	 * @property {String}			icon		uView内置图标或者绝对路径的图片 | ||||
| 	 * @property {String | Number}	badge		右上角的角标提示信息 | ||||
| 	 * @property {Boolean}			dot			是否显示圆点,将会覆盖badge参数(默认 false ) | ||||
| 	 * @property {String}			text		描述文本 | ||||
| 	 * @property {Object | String}	badgeStyle	控制徽标的位置,对象或者字符串形式,可以设置top和right属性(默认 'top: 6px;right:2px;' ) | ||||
| 	 * @property {Object}			customStyle	定义需要用到的外部样式 | ||||
| 	 *  | ||||
| 	 * @example <u-tabbar :value="value2" :placeholder="false" @change="name => value2 = name" :fixed="false" :safeAreaInsetBottom="false"><u-tabbar-item text="首页" icon="home" dot ></u-tabbar-item></u-tabbar> | ||||
| 	 */ | ||||
| 	export default { | ||||
| 		name: 'u-tabbar-item', | ||||
| 		mixins: [uni.$u.mpMixin, uni.$u.mixin,props], | ||||
| 		data() { | ||||
| 			return { | ||||
| 				isActive: false, // 是否处于激活状态 | ||||
| 				parentData: { | ||||
| 					value: null, | ||||
| 					activeColor: '', | ||||
| 					inactiveColor: '' | ||||
| 				} | ||||
| 			} | ||||
| 		}, | ||||
| 		created() { | ||||
| 			this.init() | ||||
| 		}, | ||||
| 		methods: { | ||||
| 			init() { | ||||
| 				// 支付宝小程序不支持provide/inject,所以使用这个方法获取整个父组件,在created定义,避免循环引用 | ||||
| 				this.updateParentData() | ||||
| 				if (!this.parent) { | ||||
| 					uni.$u.error('u-tabbar-item必须搭配u-tabbar组件使用') | ||||
| 				} | ||||
| 				// 本子组件在u-tabbar的children数组中的索引 | ||||
| 				const index = this.parent.children.indexOf(this) | ||||
| 				// 判断本组件的name(如果没有定义name,就用index索引)是否等于父组件的value参数 | ||||
| 				this.isActive = (this.name || index) === this.parentData.value | ||||
| 			}, | ||||
| 			updateParentData() { | ||||
| 				// 此方法在mixin中 | ||||
| 				this.getParentData('u-tabbar') | ||||
| 			}, | ||||
| 			// 此方法将会被父组件u-tabbar调用 | ||||
| 			updateFromParent() { | ||||
| 				// 重新初始化 | ||||
| 				this.init() | ||||
| 			}, | ||||
| 			clickHandler() { | ||||
| 				this.$nextTick(() => { | ||||
| 					const index = this.parent.children.indexOf(this) | ||||
| 					const name = this.name || index | ||||
| 					// 点击的item为非激活的item才发出change事件 | ||||
| 					if (name !== this.parent.value) { | ||||
| 						this.parent.$emit('change', name) | ||||
| 					} | ||||
| 					this.$emit('click', name) | ||||
| 				}) | ||||
| 			} | ||||
| 		}, | ||||
| 	} | ||||
| </script> | ||||
|  | ||||
| <style lang="scss" scoped> | ||||
| 	@import "../../libs/css/components.scss"; | ||||
|  | ||||
| 	.u-tabbar-item { | ||||
| 		@include flex(column); | ||||
| 		align-items: center; | ||||
| 		justify-content: center; | ||||
| 		flex: 1; | ||||
| 		 | ||||
| 		&__icon { | ||||
| 			@include flex; | ||||
| 			position: relative; | ||||
| 			width: 150rpx; | ||||
| 			justify-content: center; | ||||
| 		} | ||||
|  | ||||
| 		&__text { | ||||
| 			margin-top: 2px; | ||||
| 			font-size: 12px; | ||||
| 			color: $u-content-color; | ||||
| 		} | ||||
| 	} | ||||
|  | ||||
| 	/* #ifdef MP */ | ||||
| 	// 由于小程序都使用shadow DOM形式实现,需要给影子宿主设置flex: 1才能让其撑开 | ||||
| 	:host { | ||||
| 		flex: 1 | ||||
| 	} | ||||
| 	/* #endif */ | ||||
| </style> | ||||
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