四端上传

yelaymaths/pages/index/index.js

@@ -0,0 +1,140 @@
+// pages/index/index.js
+const api = require('../../utils/api');
+const store = require('../../utils/store');
+const config = require('../../config/index');
+
+const app = getApp();
+const updateManager = wx.getUpdateManager();
+
+const PAGE_SIZE = 10;
+
+Page({
+  data: {
+    staticBase: config.STATIC_BASE_URL,
+    banners: [],
+    courseList: [],
+    freeCourseList: [],
+    articles: [],
+    page: 1,
+    articleTotal: 0,
+    loadingMore: false,
+    noMore: false,
+    title1: '',
+    title2: '',
+    title3: '',
+    footerText: '',
+  },
+
+  onLoad() {
+    // 等应用初始化完成再取配置，避免首屏读到空缓存
+    app.ready().then(() => this.applyConfig());
+    this.loadAll();
+  },
+
+  applyConfig() {
+    this.setData({
+      title1: store.cfg('home.title.paid', '付费课程'),
+      title2: store.cfg('home.title.trial', '试听课程'),
+      title3: store.cfg('home.title.public', '公开课程'),
+      footerText: store.cfg('home.footer_text', '我是有底线的！'),
+    });
+  },
+
+  loadAll() {
+    this.setData({ page: 1, noMore: false });
+
+    api
+      .getBanners()
+      .then((list) => this.setData({ banners: list || [] }))
+      .catch((err) => console.error('[index] 轮播加载失败', err));
+
+    api
+      .getHomeCourses()
+      .then((list) => this.setData({ courseList: list || [] }))
+      .catch((err) => console.error('[index] 新课加载失败', err));
+
+    api
+      .getHomeFreeCourses()
+      .then((list) => this.setData({ freeCourseList: list || [] }))
+      .catch((err) => console.error('[index] 试听列表加载失败', err));
+
+    api
+      .getArticles(1, PAGE_SIZE)
+      .then((res) => this.setData({ articles: res.items || [], articleTotal: res.total || 0, page: 1 }))
+      .catch((err) => console.error('[index] 文章加载失败', err));
+  },
+
+  onShow() {
+    updateManager.onCheckForUpdate(() => {});
+    updateManager.onUpdateReady(() => {
+      wx.showModal({
+        title: '更新提示',
+        showCancel: false,
+        content: '新版本已准备好，即将重启应用',
+        success: (res) => {
+          if (res.confirm) updateManager.applyUpdate();
+        },
+      });
+    });
+    updateManager.onUpdateFailed(() => {});
+  },
+
+  onPullDownRefresh() {
+    Promise.all([this.reload()]).then(() => wx.stopPullDownRefresh());
+  },
+
+  async reload() {
+    try {
+      const cfg = await api.getConfig();
+      store.setSiteConfig(cfg);
+      this.applyConfig();
+    } catch (err) {
+      console.warn('[index] 配置刷新失败', err);
+    }
+    this.loadAll();
+  },
+
+  onReachBottom() {
+    if (this.data.loadingMore || this.data.noMore) return;
+    const next = this.data.page + 1;
+    this.setData({ loadingMore: true });
+
+    api
+      .getArticles(next, PAGE_SIZE)
+      .then((res) => {
+        const merged = this.data.articles.concat(res.items || []);
+        this.setData({
+          articles: merged,
+          page: next,
+          loadingMore: false,
+          noMore: merged.length >= (res.total || 0),
+        });
+      })
+      .catch((err) => {
+        console.error('[index] 加载更多失败', err);
+        this.setData({ loadingMore: false });
+      });
+  },
+
+  toArticle(e) {
+    wx.navigateTo({ url: '/pages/WebPageDetails/WebPageDetails?id=' + e.currentTarget.dataset.id });
+  },
+
+  toNewCourse(e) {
+    wx.navigateTo({ url: '/pages/IndexNewCourseDetails/IndexNewCourseDetails?id=' + e.currentTarget.dataset.id });
+  },
+
+  toFreeCourse(e) {
+    wx.navigateTo({
+      url: '/pages/IndexFreeCourseDetails/IndexFreeCourseDetails?seriesNo=' + e.currentTarget.dataset.series,
+    });
+  },
+
+  onShareAppMessage() {
+    return { title: '叶雷讲数学', path: '/pages/index/index' };
+  },
+
+  onShareTimeline() {
+    return { title: '叶雷讲数学' };
+  },
+});