edu-textbook/projects/textbook/src/services/textbook.ts

import { Injectable } from '@angular/core';
import Parse from 'parse';
import { HttpClient } from '@angular/common/http';

@Injectable({
  providedIn: 'root',
})
export class textbookServer {
  company: string = localStorage.getItem('company')!;
  theme: boolean = false; //深色主题模式
  profile: any = JSON.parse(localStorage.getItem('profile')!);
  constructor(private http: HttpClient) {}
  authMobile(mobile: string): boolean {
    let a = /^1[3456789]\d{9}$/;
    if (!String(mobile).match(a)) {
      return false;
    }
    return true;
  }
  randomPassword(): string {
    let sCode =
      'A,B,C,E,F,G,H,J,K,L,M,N,P,Q,R,S,T,W,X,Y,Z,1,2,3,4,5,6,7,8,9,0,q,w,e,r,t,y,u,i,o,p,a,s,d,f,g,h,j,k,l,z,x,c,v,b,n,m';
    let aCode = sCode.split(',');
    let aLength = aCode.length; //获取到数组的长度
    let str = [];
    for (let i = 0; i <= 16; i++) {
      let j = Math.floor(Math.random() * aLength); //获取到随机的索引值
      let txt = aCode[j]; //得到随机的一个内容
      str.push(txt);
    }
    return str.join('');
  }

  formatTime(fmt: string, date1: Date) {
    let ret;
    let date = new Date(date1);
    const opt: any = {
      'Y+': date.getFullYear().toString(), // 年
      'm+': (date.getMonth() + 1).toString(), // 月
      'd+': date.getDate().toString(), // 日
      'H+': date.getHours().toString(), // 时
      'M+': date.getMinutes().toString(), // 分
      'S+': date.getSeconds().toString(), // 秒
      // 有其他格式化字符需求可以继续添加，必须转化成字符串
    };
    for (let k in opt) {
      ret = new RegExp('(' + k + ')').exec(fmt);
      if (ret) {
        fmt = fmt.replace(
          ret[1],
          ret[1].length == 1 ? opt[k] : opt[k].padStart(ret[1].length, '0')
        );
      }
    }
    return fmt;
  }
  //格式化链
  async formatNode(id: string): Promise<Array<any>> {
    let query = new Parse.Query('Department');
    query.select('name', 'parent', 'hasChildren');
    let r = await query.get(id);
    let arr = [
      {
        title: r.get('name'),
        key: r.id,
        hasChildren: r.get('hasChildren'), //是否是最下级
      },
    ];
    if (r?.get('parent')) {
      arr.unshift(...(await this.formatNode(r?.get('parent').id)));
    }
    return arr;
  }
}