let clipBoard = navigator.clipboard;
// 寫入文本至操作系統(tǒng)剪貼板
clipBoard.writeText('你好').then(() => {
  this.$message.success('復制成功！')
})
// 寫入任意數(shù)據(jù)（比如圖片）至操作系統(tǒng)剪貼板用 clipBoard.write()
// 從剪貼板讀取文本
clipBoard.readText().then(clipText => {
  console.log(clipText);
})
// 從剪貼板讀取數(shù)據(jù)（比如圖片）用 clipBoard.read()

function copyText (text) {
  $('body').append(`<textarea id="iclip-container" value="${text}">${text}</textarea>`);
  $('#iclip-container').select();
  if (document.execCommand('copy', false, null)) {
    $('#iclip-container').remove();
    alert('復制成功！')
  }
}

function copyText (text) {
  const copy = function(event) {
      let clipboardData = event.clipboardData || window.clipboardData;
      clipboardData.setData('text/plain', text);
      event.preventDefault();
  };
  document.addEventListener('copy', copy);
  document.execCommand('copy');
  document.removeEventListener('copy', copy);
  this.$message.success('復制成功！');
},

// 可以監(jiān)聽 cut 事件對剪切內(nèi)容進行修改
const source = document.querySelector('div.source');
source.addEventListener('cut', (event) => {
    const selection = document.getSelection();
    event.clipboardData.setData('text/plain', selection.toString().toUpperCase());
    selection.deleteFromDocument();
    event.preventDefault();
});