我使用的是ReactJS，当用户点击一个链接时，我想复制一些文本到剪贴板。
我使用Chrome 52，我不需要支持任何其他浏览器。
我不明白为什么这段代码没有导致数据被复制到剪贴板。(代码片段的来源是Reddit的一篇帖子)。
我做错了吗?谁能建议有一个“正确”的方法来实现复制到剪贴板使用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()
}
当前回答
使用此命令将值传递给函数
var promise = navigator.clipboard.writeText(newClipText)
其他回答
无需安装第三方软件包。我尽量让它简单。这对我来说很有效。
import React, { useState } from "react"
function MyApp() {
const [copySuccess, setCopySuccess] = useState(null);
const copyToClipBoard = async copyMe => {
try {
await navigator.clipboard.writeText(copyMe);
setCopySuccess('Copied!');
}
catch (err) {
setCopySuccess('Failed to copy!');
}
};
return (
<button onClick={(e) => copyToClipBoard(what you want to copy goes here)} >
My button
</button>
)
}
react钩子的最佳解决方案，不需要外部库
import React, { useState } from 'react'; const MyComponent = () => { const [copySuccess, setCopySuccess] = useState(''); // your function to copy here const copyToClipBoard = async copyMe => { try { await navigator.clipboard.writeText(copyMe); setCopySuccess('Copied!'); } catch (err) { setCopySuccess('Failed to copy!'); } }; return ( <div> <Button onClick={() => copyToClipBoard('some text to copy')}> Click here to copy </Button> // after copying see the message here {copySuccess} </div> ) }
查看关于导航器的进一步文档。弹夹板，导航器。剪贴板文件 navigotor。剪贴板是由大量浏览器支持的，看这里支持的浏览器
import React, { Component } from 'react';
export default class CopyTextOnClick extends Component {
copyText = () => {
this.refs.input.select();
document.execCommand('copy');
return false;
}
render () {
const { text } = this.state;
return (
<button onClick={ this.copyText }>
{ text }
<input
ref="input"
type="text"
defaultValue={ text }
style={{ position: 'fixed', top: '-1000px' }} />
</button>
)
}
}
make a componant as follows :-
//react functional componant
import React, { useState } from "react";
function CopyToClipboard(props) {
const [copied, setCopied] = useState("copy");
return (
<div
className="font-medium mr-4 text-green-700 cursor-pointer"
onClick={() => {
navigator.clipboard.writeText(props.text);
setCopied("copied");
}}>
{copied}
</div>
);
}
export default CopyToClipboard;
//then use this componant anywhere
<CopyToClipboard text={"text you want to copy"}></CopyToClipboard>
//it will give a text saying "copy"`enter code here` and after clicking on that text, text provided with props will get copied
如果您希望以编程方式将数据写入剪贴板，可以在按钮上使用这个简单的内联onClick函数。
onClick={() => {navigator.clipboard.writeText(this.state.textToCopy)}}
