dati/core/untils/error/index.js

import { Error } from '../../../lib/utils/error/index'
import Prompt from '../prompt/index'
import Router from '../router/index'
import Config from '../../config/index'

class MyError extends Error {
  constructor() {
    super()
    this.instance = null
  }

  static getInstance() {
    if (!this.instance) {
      this.instance = new MyError()
    }
    return this.instance
  }

  errorNotLoggedIn(success, fail) {
    console.log(Prompt)
    Prompt.showModal({
      title: '提示',
      content: '未登录，请先登录',
      confirmText: '登录',
      success: res => {
        if (res.confirm) {
          if (Config.pages && Config.pages.login) {
            Router.navigateTo({
              url: Config.pages.login
            })
          } else {
            Prompt.showToast({
              title: '未配置登录页'
            })
          }
        }
        success && success()
      },
      fail: () => {
        fail && fail()
      },
      complete: () => {}
    })
  }
}

let _myError = MyError.getInstance()
export default _myError