浏览器端加密

npm install crypto-js --save

import CryptoJS from 'crypto-js'

const key = CryptoJS.enc.Utf8.parse('1234123412ABCDEF') // 十六位十六进制数作为密钥
const iv = CryptoJS.enc.Utf8.parse('ABCDEF1234123412') // 十六位十六进制数作为密钥偏移量
export default { // 加密
  /**
   * 如果是一个js对象，需要先把对象转换为json字符串
   * @param word 待加密或解密的字符串
   * @param keyStr
   * @returns {string}
   */
  encrypt (word, keyStr) {
    const srcs = CryptoJS.enc.Utf8.parse(word)
    const encrypted = CryptoJS.AES.encrypt(srcs, key, {
      iv: iv,
      mode: CryptoJS.mode.CBC,
      padding: CryptoJS.pad.Pkcs7
    })
    return encrypted.ciphertext.toString().toUpperCase()
  },
  // 解密
  decrypt (word, keyStr) {
    if (word === undefined) return null
    const encryptedHexStr = CryptoJS.enc.Hex.parse(word)
    const srcs = CryptoJS.enc.Base64.stringify(encryptedHexStr)
    const decrypt = CryptoJS.AES.decrypt(srcs, key, {
      iv: iv,
      mode: CryptoJS.mode.CBC,
      padding: CryptoJS.pad.Pkcs7
    })
    const decryptedStr = decrypt.toString(CryptoJS.enc.Utf8)
    return decryptedStr.toString()
  }
}