272 lines
8.1 KiB
JavaScript
272 lines
8.1 KiB
JavaScript
"use strict";
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const common_vendor = require("../../../common/vendor.js");
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const mediaItem = () => "./news-item.js";
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const MAX_CACHE_DATA = 100;
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const MAX_CACHE_PAGE = 3;
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const newsData = {
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data0: {
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"datetime": "40分钟前",
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"article_type": 0,
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"title": "uni-app行业峰会频频亮相，开发者反响热烈!",
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"source": "DCloud",
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"comment_count": 639
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},
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data1: {
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"datetime": "一天前",
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"article_type": 1,
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"title": "DCloud完成B2轮融资，uni-app震撼发布!",
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"image_url": "https://web-assets.dcloud.net.cn/unidoc/zh/shuijiao-small.jpg",
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"source": "DCloud",
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"comment_count": 11395
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},
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data2: {
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"datetime": "一天前",
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"article_type": 2,
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"title": "中国技术界小奇迹：HBuilder开发者突破200万",
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"image_url": "https://web-assets.dcloud.net.cn/unidoc/zh/muwu-samll.jpg",
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"source": "DCloud",
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"comment_count": 11395
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},
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data3: {
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"article_type": 3,
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"image_list": [{
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"url": "https://web-assets.dcloud.net.cn/unidoc/zh/cbd%20-small.jpg",
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"width": 563,
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"height": 316
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}, {
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"url": "https://vkceyugu.cdn.bspapp.com/VKCEYUGU-dc-site/b4cd3000-517d-11eb-a16f-5b3e54966275.jpg",
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"width": 641,
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"height": 360
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}, {
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"url": "https://vkceyugu.cdn.bspapp.com/VKCEYUGU-dc-site/b7c7f970-517d-11eb-97b7-0dc4655d6e68.jpg",
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"width": 640,
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"height": 360
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}],
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"datetime": "5分钟前",
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"title": "uni-app 支持使用 npm 安装第三方包，生态更趋丰富",
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"source": "DCloud",
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"comment_count": 11
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},
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data4: {
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"datetime": "2小时前",
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"article_type": 4,
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"title": "uni-app 支持原生小程序自定义组件，更开放、更自由",
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"image_url": "https://vkceyugu.cdn.bspapp.com/VKCEYUGU-dc-site/b2e201d0-517d-11eb-8a36-ebb87efcf8c0.jpg",
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"source": "DCloud",
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"comment_count": 69
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}
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};
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const _sfc_main = {
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components: {
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mediaItem
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},
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data() {
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return {
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newsList: [],
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cacheTab: [],
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tabIndex: 0,
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tabBars: [{
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name: "关注",
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id: "guanzhu"
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}, {
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name: "推荐",
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id: "tuijian"
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}, {
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name: "体育",
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id: "tiyu"
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}, {
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name: "热点",
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id: "redian"
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}, {
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name: "财经",
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id: "caijing"
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}, {
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name: "娱乐",
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id: "yule"
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}, {
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name: "军事",
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id: "junshi"
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}, {
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name: "历史",
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id: "lishi"
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}, {
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name: "本地",
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id: "bendi"
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}],
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scrollInto: "",
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showTips: false,
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navigateFlag: false,
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pulling: false,
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refreshIcon: "data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAADAAAAAwCAMAAABg3Am1AAAAGXRFWHRTb2Z0d2FyZQBBZG9iZSBJbWFnZVJlYWR5ccllPAAAAB5QTFRFcHBw3Nzct7e39vb2ycnJioqK7e3tpqam29vb////D8oK7wAAAAp0Uk5T////////////ALLMLM8AAABxSURBVHja7JVBDoAgDASrjqj//7CJBi90iyYeOHTPMwmFZrHjYyyFYYUy1bwUZqtJIYVxhf1a6u0R7iUvWsCcrEtwJHp8MwMdvh2amHduiZD3rpWId9+BgPd7Cc2LIkPyqvlQvKxKBJ//Qwq/CacAAwDUv0a0YuKhzgAAAABJRU5ErkJggg=="
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};
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},
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onLoad() {
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setTimeout(() => {
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this.tabBars.forEach((tabBar) => {
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this.newsList.push({
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data: [],
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isLoading: false,
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refreshText: "",
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loadingText: "加载更多..."
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});
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});
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this.getList(0);
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}, 350);
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},
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methods: {
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getList(index) {
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let activeTab = this.newsList[index];
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let list = [];
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for (let i = 1; i <= 10; i++) {
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let item = Object.assign({}, newsData["data" + Math.floor(Math.random() * 5)]);
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item.id = this.newGuid();
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list.push(item);
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}
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activeTab.data = activeTab.data.concat(list);
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},
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goDetail(e) {
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if (this.navigateFlag) {
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return;
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}
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this.navigateFlag = true;
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common_vendor.index.navigateTo({
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url: "./detail/detail?title=" + e.title
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});
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setTimeout(() => {
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this.navigateFlag = false;
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}, 200);
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},
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close(index1, index2) {
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common_vendor.index.showModal({
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content: "是否删除本条信息？",
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success: (res) => {
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if (res.confirm) {
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this.newsList[index1].data.splice(index2, 1);
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}
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}
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});
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},
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loadMore(e) {
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setTimeout(() => {
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this.getList(this.tabIndex);
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}, 500);
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},
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ontabtap(e) {
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let index = e.target.dataset.current || e.currentTarget.dataset.current;
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this.switchTab(index);
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},
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ontabchange(e) {
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let index = e.target.current || e.detail.current;
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this.switchTab(index);
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},
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switchTab(index) {
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if (this.newsList[index].data.length === 0) {
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this.getList(index);
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}
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if (this.tabIndex === index) {
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return;
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}
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if (this.newsList[this.tabIndex].data.length > MAX_CACHE_DATA) {
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let isExist = this.cacheTab.indexOf(this.tabIndex);
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if (isExist < 0) {
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this.cacheTab.push(this.tabIndex);
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}
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}
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this.tabIndex = index;
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this.scrollInto = this.tabBars[index].id;
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if (this.cacheTab.length > MAX_CACHE_PAGE) {
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let cacheIndex = this.cacheTab[0];
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this.clearTabData(cacheIndex);
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this.cacheTab.splice(0, 1);
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}
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},
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clearTabData(e) {
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this.newsList[e].data.length = 0;
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this.newsList[e].loadingText = "加载更多...";
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},
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refreshData() {
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},
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onrefresh(e) {
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var tab = this.newsList[this.tabIndex];
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if (!tab.refreshFlag) {
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return;
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}
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tab.refreshing = true;
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tab.refreshText = "正在刷新...";
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setTimeout(() => {
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this.refreshData();
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this.pulling = true;
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tab.refreshing = false;
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tab.refreshFlag = false;
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tab.refreshText = "已刷新";
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setTimeout(() => {
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this.pulling = false;
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}, 500);
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}, 2e3);
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},
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onpullingdown(e) {
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var tab = this.newsList[this.tabIndex];
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if (tab.refreshing || this.pulling) {
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return;
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}
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if (Math.abs(e.pullingDistance) > Math.abs(e.viewHeight)) {
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tab.refreshFlag = true;
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tab.refreshText = "释放立即刷新";
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} else {
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tab.refreshFlag = false;
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tab.refreshText = "下拉可以刷新";
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}
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},
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newGuid() {
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let s4 = function() {
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return (65536 * (1 + Math.random()) | 0).toString(16).substring(1);
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};
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return (s4() + s4() + "-" + s4() + "-4" + s4().substr(0, 3) + "-" + s4() + "-" + s4() + s4() + s4()).toUpperCase();
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}
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}
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};
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if (!Array) {
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const _component_media_item = common_vendor.resolveComponent("media-item");
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_component_media_item();
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}
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function _sfc_render(_ctx, _cache, $props, $setup, $data, $options) {
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return {
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a: common_vendor.f($data.tabBars, (tab, index, i0) => {
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return {
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a: common_vendor.t(tab.name),
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b: common_vendor.n($data.tabIndex == index ? "uni-tab-item-title-active" : ""),
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c: tab.id,
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d: tab.id,
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e: index,
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f: common_vendor.o((...args) => $options.ontabtap && $options.ontabtap(...args), tab.id)
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};
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}),
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b: $data.scrollInto,
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c: common_vendor.f($data.newsList, (tab, index1, i0) => {
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return common_vendor.e({
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a: common_vendor.f(tab.data, (newsitem, index2, i1) => {
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return {
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a: common_vendor.o(($event) => $options.close(index1, index2), newsitem.id),
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b: common_vendor.o(($event) => $options.goDetail(newsitem), newsitem.id),
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c: "46f8da5b-0-" + i0 + "-" + i1,
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d: common_vendor.p({
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options: newsitem
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}),
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e: newsitem.id
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};
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}),
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b: tab.isLoading || tab.data.length > 4
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}, tab.isLoading || tab.data.length > 4 ? {
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c: common_vendor.t(tab.loadingText)
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} : {}, {
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d: common_vendor.o(($event) => $options.loadMore(index1), index1),
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e: index1
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});
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}),
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d: $data.tabIndex,
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e: common_vendor.o((...args) => $options.ontabchange && $options.ontabchange(...args))
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};
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}
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const MiniProgramPage = /* @__PURE__ */ common_vendor._export_sfc(_sfc_main, [["render", _sfc_render], ["__file", "E:/xianyu/app/greenPro/pages/template/tabbar/tabbar.nvue"]]);
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wx.createPage(MiniProgramPage);
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