text: import pako from 'pako'
  
  // 一个是解密
  function unzipBase64(encodedData) {
    // base64解码
    const decodedData = window.atob(encodedData)
    // 字符串转数组 在循环返回一个 Unicode表所在位置的新数组
    const data = pako.inflate(decodedData)
    // 接受 Unicode 值，然后返回字符串。
    return Utf8ArrayToStr(data)
  }
  
  function Utf8ArrayToStr(array) {
    var out, i, len, c
    var char2, char3
  
    out = ''
    len = array.length
    i = 0
    while (i < len) {
      c = array[i++]
      switch (c >> 4) {
        case 0: case 1: case 2: case 3: case 4: case 5: case 6: case 7:
          // 0xxxxxxx
          out += String.fromCharCode(c)
          break
        case 12: case 13:
          // 110x xxxx 10xx xxxx
          char2 = array[i++]
          out += String.fromCharCode(((c & 0x1F) << 6) | (char2 & 0x3F))
          break
        case 14:
          // 1110 xxxx 10xx xxxx 10xx xxxx
          char2 = array[i++]
          char3 = array[i++]
          out += String.fromCharCode(((c & 0x0F) << 12) | ((char2 & 0x3F) << 6) | ((char3 & 0x3F) << 0))
          break
      }
    }
  
    return out
  }
  export {
    unzipBase64
  }
  