95 lines
2.7 KiB
JavaScript
95 lines
2.7 KiB
JavaScript
// pages/LoginOrOutDetails/LoginOrOutDetails.js
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const api = require('../../utils/api');
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const store = require('../../utils/store');
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const config = require('../../config/index');
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const app = getApp();
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/** 未填昵称时自动生成，与旧版行为一致：用户 + 8 位小写字母数字 */
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function randomNickname() {
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const chars = 'abcdefghijklmnopqrstuvwxyz0123456789';
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let s = '';
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for (let i = 0; i < 8; i++) s += chars[Math.floor(Math.random() * chars.length)];
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return '用户' + s;
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}
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Page({
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data: {
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userInfo: { avatarUrl: '', nickName: '' },
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loginStatue: false,
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LoginTag: '一键登录',
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},
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onLoad() {
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app.ready().then(() => this.refresh());
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},
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onShow() {
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this.refresh();
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},
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refresh() {
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const user = store.getUser();
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const registered = !!(user && user.nickname);
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this.setData({
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loginStatue: registered,
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LoginTag: registered ? '退出登录' : '一键登录',
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userInfo: {
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avatarUrl: config.STATIC_BASE_URL + config.PLACEHOLDER.WECHAT,
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nickName: registered ? user.nickname : '',
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},
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});
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},
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/**
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* 登录 / 注册。
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*
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* 关键：不能凭本地缓存决定昵称。
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* 退出登录会清空本地缓存，此时若直接生成随机昵称并提交，
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* 会把老用户在服务端的真实昵称覆盖掉。正确做法是先取服务端资料：
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* - 已有昵称 → 老用户，原样保留，不提交任何修改
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* - 没有昵称 → 首次注册，生成一个随机昵称
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*/
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onLoginBtnClick() {
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wx.showLoading({ title: '请稍候', mask: true });
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// getMe 在未登录时会自动完成静默登录，无需手动判断 token
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api
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.getMe()
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.then((user) => {
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store.setUser(user);
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if (user.nickname) return user;
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return api.updateMe({ nickname: randomNickname() }).then((created) => {
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store.setUser(created);
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return created;
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});
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})
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.then(() => {
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wx.hideLoading();
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wx.showToast({ title: '成功', icon: 'success', mask: true, duration: 1500 });
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setTimeout(() => wx.switchTab({ url: '/pages/wode/wode' }), 1500);
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})
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.catch((err) => {
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wx.hideLoading();
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wx.showToast({ title: (err && err.message) || '登录失败', icon: 'none', mask: true });
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});
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},
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onlogout() {
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if (!this.data.loginStatue) return;
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wx.showModal({
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title: '提示',
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content: '确定退出登录吗？',
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confirmColor: '#ff0000',
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success: (res) => {
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if (!res.confirm) return;
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wx.showLoading({ title: '请稍候', mask: true });
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api.logout().then(() => {
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wx.hideLoading();
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wx.switchTab({ url: '/pages/wode/wode' });
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});
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},
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});
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},
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});
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