input复制文本

cloneWe () { 
 3         let input = document.createElement('input')
        input.value = this.$t('title')
        document.body.appendChild(input)
        input.select()
        input.setSelectionRange(0, input.value.length)
        document.execCommand('Copy')
        document.body.removeChild(input)
        this.$toast.show('复制成功')
      }