reader/pages/donutLogin/index.js

import {
    userLogin,
} from '~/api/user'
Page({
    data: {
        checkedAgree: false,
        loginSuccess: false, // 标记是否登录成功
    },

    /**
     * 退出页面时触发基础库回调，由基础库内部处理系统登录态。
     */
    onUnload() {
        const eventChannel = this.getOpenerEventChannel();
        if (eventChannel) {
            eventChannel.emit('__donutLogin__', {
                success: this.data.loginSuccess
            });
        }
    },

    /**
     * 触发小程序登录，登录成功后自动退出页面
     */
    onTapWeixinMiniProgramLogin() {
        wx.getMiniProgramCode({
            success: async (res) => {
                let data = {
                    code: res.code,
                    userChannelCode
                }
                let userRes = await userLogin(data)
            }
        })
        /* wx.weixinMiniProgramLogin({
          success: () => {
            this.setData({ loginSuccess: true });
            wx.navigateBack();
          },
          fail: () => {
            wx.showToast({
              title: '小程序登录失败',
              icon: 'none'
            });
          }
        }) */
    },

    onCheckboxChange() {
        this.setData({
            checkedAgree: !this.data.checkedAgree
        });
    },

    /**
     * 
     * 使用单独的 webview 页面展示用户协议
     */
    onShowAgreement(e) {
        const urls = [
            'link1',
            'link2'
        ];
        const url = urls[e.target.dataset.idx];
        // wx.navigateTo({
        //   url: `/pages/webview/index?url=${url}`,
        // });
    },
})