v1.0

uni_modules/uv-vtabs/components/uv-vtabs-item/uv-vtabs-item.vue

@@ -0,0 +1,68 @@
+<template>
+		<view 
+			class="uv-vtabs-item"
+			:id="`content_${index}`"
+			ref="uv-vtabs-item"
+		>
+			<slot />
+		</view>
+</template>
+<script>
+	import mpMixin from '@/uni_modules/uv-ui-tools/libs/mixin/mpMixin.js';
+	import mixin from '@/uni_modules/uv-ui-tools/libs/mixin/mixin.js';
+	// #ifdef APP-NVUE
+	const dom = uni.requireNativePlugin('dom');
+	// #endif
+	export default {
+		name: 'uv-vtabs-item',
+		mixins: [mpMixin, mixin],
+		props: {
+			index: {
+				type: [Number,String],
+				default: 0
+			}
+		},
+		data(){
+			return {
+				// 记录item的离顶部的距离
+				top: 0,
+				// 记录item的高度
+				height: 0
+				// 是否为联动
+			}
+		},
+		mounted() {
+			this.init();
+		},
+		methods: {
+			async init(){
+				this.getParentData('uv-vtabs');
+				if (!this.parent) {
+					return this.$uv.error('uv-vtabs必须要搭配uv-vtabs-item组件使用')
+				}
+				if(!this.parent.chain) return;
+				await this.$uv.sleep();
+				this.getItemRect().then(size=>{
+					// 由于对象的引用特性，此处会同时生效到父组件的children数组的本实例的top属性中，供父组件判断读取
+					this.top = size.top;
+					this.height = size.height;
+				});
+			},
+			getItemRect(){
+				return new Promise(resolve => {
+					// #ifndef APP-NVUE
+					this.$uvGetRect('.uv-vtabs-item').then(size => {
+						resolve(size)
+					})
+					// #endif
+					// #ifdef APP-NVUE
+					const ref = this.$refs['uv-vtabs-item']
+					dom.getComponentRect(ref, res => {
+						resolve(res.size)
+					})
+					// #endif
+				})
+			}
+		}
+	}
+</script>