57 lines
2.2 KiB
JavaScript
57 lines
2.2 KiB
JavaScript
Component({
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data: { visible: false, intro: false, state: 'loading', message: '' },
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lifetimes: {
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attached: function() {
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this._startedAt = Date.now();
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try { this._showIntro = !wx.getStorageSync('launchIntroSeen'); } catch (e) { this._showIntro = false; }
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if (this._showIntro) {
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this.setData({ visible: true, intro: true });
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// 设备首次展示即记住，跳转页面或再次启动都不会重复展示。
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try { wx.setStorageSync('launchIntroSeen', true); } catch (e) {}
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}
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this._unobserve = getApp().observeAuth((state, message) => {
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clearTimeout(this._exitTimer);
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if (state === 'ready') {
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this._retrying = false;
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if (this._showIntro) {
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this._exitTimer = setTimeout(() => {
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this._showIntro = false;
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this.setData({ visible: false, intro: false });
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}, Math.max(0, 350 - (Date.now() - this._startedAt)));
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} else {
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this.setData({ visible: false, intro: false });
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}
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} else if (state === 'error') {
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this._showIntro = false;
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this._retrying = true;
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this.setData({ visible: true, intro: false, state: state, message: message });
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} else {
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this.setData({ visible: !!(this._showIntro || this._retrying), intro: !!this._showIntro, state: state, message: message });
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}
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});
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},
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detached: function() {
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clearTimeout(this._exitTimer);
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if (this._unobserve) this._unobserve();
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}
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},
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methods: {
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preventMove: function() {},
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retry: async function() {
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try {
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await getApp().silentLogin();
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// 重新加载失败的页面，保留分享链接、相册 id 等原始入口参数。
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var pages = getCurrentPages();
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var page = pages[pages.length - 1];
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if (!page) return;
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var query = Object.keys(page.options || {}).map(function(key) {
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return encodeURIComponent(key) + '=' + encodeURIComponent(page.options[key]);
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}).join('&');
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wx.reLaunch({ url: '/' + page.route + (query ? '?' + query : '') });
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} catch (error) {
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// App 已发布失败状态，保留重试画面。
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}
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}
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}
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});
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