In reactJS, how to copy text to clipboard?

2020-02-07 14:12发布

站内问答 / JavaScript
870 13 4

I'm using ReactJS and when a user clicks a link I want to copy some text to the clipboard.

I am using Chrome 52 and I do not need to support any other browsers.

I can't see why this code does not result in the data being copied to the clipboard. (the origin of the code snippet is from a Reddit post).

Am I doing this wrong? Can anyone suggest is there a "correct" way to implement copy to clipboard using reactjs?

copyToClipboard = (text) => {
  console.log('text', text)
  var textField = document.createElement('textarea')
  textField.innerText = text
  document.body.appendChild(textField)
  textField.select()
  document.execCommand('copy')
  textField.remove()
}

13条回答
闹够了就滚
2楼-- · 2020-02-07 15:07

You should definitely consider using a package like @Shubham above is advising, but I created a working codepen based on what you described: http://codepen.io/dtschust/pen/WGwdVN?editors=1111 . It works in my browser in chrome, perhaps you can see if there's something I did there that you missed, or if there's some extended complexity in your application that prevents this from working.

// html
<html>
  <body>
    <div id="container">

    </div>
  </body>
</html>


// js
const Hello = React.createClass({
  copyToClipboard: () => {
    var textField = document.createElement('textarea')
    textField.innerText = 'foo bar baz'
    document.body.appendChild(textField)
    textField.select()
    document.execCommand('copy')
    textField.remove()
  },
  render: function () {
    return (
      <h1 onClick={this.copyToClipboard}>Click to copy some text</h1>
    )
  }
})

ReactDOM.render(
<Hello/>,
  document.getElementById('container'))
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