vue模拟a标签加密并携带header下载

html:

<span v-for="item in adjunctList" :key="item.url" class="uploadFile" @click="handlePreview(item)">
	{
  { item.fileName }}
</span>

script:

  import cryptoJs from 'crypto-js'// 引入加密算法类库

  methods: {
   
    // 加密
    aesMinEncrypt (key, iv, word) {
   
      const _word = cryptoJs.enc.Utf8.parse(word)
      const _key