anHui_guoJiaTongBuFuShe_Node/src/util/pass.ts

function randomWord(randomFlag: boolean, min: number, max: number = 15) {
  let str = '';
  let range = min;
  const arr = [
    '0',
    '1',
    '2',
    '3',
    '4',
    '5',
    '6',
    '7',
    '8',
    '9',
    'a',
    'b',
    'c',
    'd',
    'e',
    'f',
    'g',
    'h',
    'i',
    'j',
    'k',
    'l',
    'm',
    'n',
    'o',
    'p',
    'q',
    'r',
    's',
    't',
    'u',
    'v',
    'w',
    'x',
    'y',
    'z',
    'A',
    'B',
    'C',
    'D',
    'E',
    'F',
    'G',
    'H',
    'I',
    'J',
    'K',
    'L',
    'M',
    'N',
    'O',
    'P',
    'Q',
    'R',
    'S',
    'T',
    'U',
    'V',
    'W',
    'X',
    'Y',
    'Z',
  ];
  // 随机产生
  if (randomFlag) {
    range = Math.round(Math.random() * (max - min)) + min;
  }
  for (var i = 0; i < range; i++) {
    const pos = Math.round(Math.random() * (arr.length - 1));
    str += arr[pos];
  }
  return str;
}

// 密码加密
export const passWordJia = (strTemp: string, strv = '') => {
  const str = btoa(unescape(encodeURIComponent(strTemp)));

  const NUM = 2;
  const front = randomWord(false, 8);
  const middle = randomWord(false, 8);
  const end = randomWord(false, 8);

  const str1 = str.substring(0, NUM);
  const str2 = str.substring(NUM);

  if (strv) {
    const strv1 = strv.substring(0, NUM);
    const strv2 = strv.substring(NUM);
    return [front + str2 + middle + str1 + end, front + strv2 + middle + strv1 + end];
  }

  const txt = front + str2 + middle + str1 + end;

  return txt;
};
// 密码解密
export const passWordJie = (str: any) => {
  const NUM = 2;
  const str1 = str.substring(8);
  const str2 = str1.substring(0, str1.length - 8);
  const front = str2.slice(-NUM);
  const end = str2.substring(0, str2.length - 8 - NUM);
  const txt = front + end;
  return decodeURIComponent(escape(atob(txt)));
};