复制文字

import { Message } from 'element-ui'

  <el-button @click="onCopyNo('123')">复制</el-button>

   onCopyNo(text) {

      const inputElement = document.createElement('input')

      inputElement.style = 'position: absolute; left: -1000px; top: -1000px'

      document.body.appendChild(inputElement)

      inputElement.value = text

      inputElement.focus()

      inputElement.select()

      document.execCommand('copy')

      document.body.removeChild(inputElement)

      Message.success('已复制到剪贴板')

    }