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')
       }