text: import CryptoJS from 'crypto-js';
  
  export default CryptoJS;
  
  export function getAesStr(word, key, padding) {
    var skey = CryptoJS.enc.Utf8.parse(key);
    var spadding = CryptoJS.enc.Utf8.parse(padding);
  
    let encrypted = CryptoJS.AES.encrypt(word, skey, {
      iv: spadding,
      mode: CryptoJS.mode.CBC,
      padding: CryptoJS.pad.Pkcs7
    });
    return encrypted.ciphertext.toString();
  }
  
  export function getAesDecrypt(word, key, padding) {
    var skey = CryptoJS.enc.Utf8.parse(key);
    var spadding = CryptoJS.enc.Utf8.parse(padding);
  
    let decrypt = CryptoJS.AES.decrypt(word, skey, {
      iv: spadding,
      mode: CryptoJS.mode.CBC,
      padding: CryptoJS.pad.Pkcs7
    });
    let decryptedStr = decrypt.toString(CryptoJS.enc.Utf8);
    return decryptedStr.toString();
  }
  export function random32Word() {
    let chars = '0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz'.split('');
    let nums = '';
    for (let i = 0; i < 32; i++) {
      let id = parseInt(Math.random() * 61);
      nums += chars[id];
    }
    return nums;
  }
  
  export function encodeUTF8(s) {
    var i,
      r = [],
      c,
      x;
    for (i = 0; i < s.length; i++)
      if ((c = s.charCodeAt(i)) < 0x80) r.push(c);
      else if (c < 0x800) r.push(0xc0 + ((c >> 6) & 0x1f), 0x80 + (c & 0x3f));
      else {
        if ((x = c ^ 0xd800) >> 10 === 0)
          //对四字节UTF-16转换为Unicode
          (c = (x << 10) + (s.charCodeAt(++i) ^ 0xdc00) + 0x10000),
            r.push(0xf0 + ((c >> 18) & 0x7), 0x80 + ((c >> 12) & 0x3f));
        else r.push(0xe0 + ((c >> 12) & 0xf));
        r.push(0x80 + ((c >> 6) & 0x3f), 0x80 + (c & 0x3f));
      }
    return r;
  }
  
  export function sha1Encrypt(str) {
    var data = new Uint8Array(encodeUTF8(str));
    var i, j, t;
    var l = (((data.length + 8) >>> 6) << 4) + 16,
      s = new Uint8Array(l << 2);
    s.set(new Uint8Array(data.buffer)), (s = new Uint32Array(s.buffer));
    for (t = new DataView(s.buffer), i = 0; i < l; i++)
      s[i] = t.getUint32(i << 2);
    s[data.length >> 2] |= 0x80 << (24 - (data.length & 3) * 8);
    s[l - 1] = data.length << 3;
    var w = [],
      rol = function (n, c) {
        return (n << c) | (n >>> (32 - c));
      },
      k = [1518500249, 1859775393, -1894007588, -899497514],
      m = [1732584193, -271733879, null, null, -1009589776],
      f = [
        function () {
          return (m[1] & m[2]) | (~m[1] & m[3]);
        },
        function () {
          return m[1] ^ m[2] ^ m[3];
        },
        function () {
          return (m[1] & m[2]) | (m[1] & m[3]) | (m[2] & m[3]);
        },
        function () {
          return m[1] ^ m[2] ^ m[3];
        }
      ];
    (m[2] = ~m[0]), (m[3] = ~m[1]);
    for (i = 0; i < s.length; i += 16) {
      var o = m.slice(0);
      for (j = 0; j < 80; j++)
        (w[j] =
          j < 16
            ? s[i + j]
            : rol(w[j - 3] ^ w[j - 8] ^ w[j - 14] ^ w[j - 16], 1)),
          (t =
            (rol(m[0], 5) + f[(j / 20) | 0]() + m[4] + w[j] + k[(j / 20) | 0]) |
            0),
          (m[1] = rol(m[1], 30)),
          m.pop(),
          m.unshift(t);
      for (j = 0; j < 5; j++) m[j] = (m[j] + o[j]) | 0;
    }
    t = new DataView(new Uint32Array(m).buffer);
    for (let i = 0; i < 5; i++) m[i] = t.getUint32(i << 2);
  
    var hex = Array.prototype.map
      .call(new Uint8Array(new Uint32Array(m).buffer), function (e) {
        return (e < 16 ? '0' : '') + e.toString(16);
      })
      .join('');
  
    return hex;
  }
  