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With the development of the Internet, the function of copying content to the clipboard has become a necessary function. In Vue, we can implement this function with some simple code. This article will introduce how to implement the function of copying content to the clipboard in Vue.

1. Clipboard API

Before introducing how to implement the function of copying content to the clipboard, let's first understand the clipboard API.

Clipboard API is a JavaScript API that provides some methods and events that allow us to access and manipulate the clipboard. Among them, the most commonly used method is that writeText()it can copy the specified text to the clipboard.

2. Implement the function of copying content to the clipboard

In Vue, we can use the clipboard API to implement the function of copying content to the clipboard. The specific steps are as follows:

1. Import ClipboardJS library into the component

ClipboardJSIt is a lightweight JavaScript library that encapsulates the clipboard API, making it easier to use the clipboard API.

We can install ClipboardJSthe library via npm:

$ npm install clipboard --save

Then import the library into your component:

import ClipboardJS from 'clipboard';

2. Initialize ClipboardJS in the mounted hook function

In the component's mountedhook function, we can initialize ClipboardJSand bind the text to be copied to the specified element. For example, we can bind the click event of the copy button to the specified element:

mounted() {
  const clipboard = new ClipboardJS('.copy-btn', {
    text: () => this.copyText
  });
  clipboard.on('success', () => {
    this.$message.success('Copy Success');
  });
  clipboard.on('error', () => {
    this.$message.error('Copy Failure');
  });
}

In the above code, we create an ClipboardJSinstance and bind the text to be copied to the specified element. When the copy button is clicked, the click event of the element is triggered, thus copying the text to the clipboard.

3. Define the text to be copied in the component

In the component, we need to define the text that needs to be copied. For example, we can define a copyText variable in data:

data() {
  return {
    copyText: 'The text to be copied'
  };
}

4. Render the copy button in the template

Finally, in the component's template, we can render a copy button so that the user can click it to copy the text to the clipboard. For example:

<el-button class="copy-btn">复制</el-button>

In the above code, we use the button component of Element UI and set the button class to copy-btn, so that the copy button can be bound to the ClipboardJS instance.

3. Examples

Here is a complete example showing how to implement the copy content to clipboard function in Vue:

<template>
  <div>
    <el-button class="copy-btn">copy</el-button>
  </div>
</template>

<script>
import ClipboardJS from 'clipboard';

export default {
  data() {
    return {
      copyText: 'The text to be copied'
    };
  },
  mounted() {
    const clipboard = new ClipboardJS('.copy-btn', {
      text: () => this.copyText
    });
    clipboard.on('success', () => {
      this.$message.success('Copy Success');
    });
    clipboard.on('error', () => {
      this.$message.error('Copy Failure');
    });
  }
};
</script>

In the code above, we use the button component of Element UI and set the button class to copy-btn . In mountedthe hook function, we create an ClipboardJSinstance and bind the text to be copied to the copy button. When the copy button is clicked, the copy operation is triggered and a prompt box pops up to prompt the user whether the copy operation is successful.

4. Conclusion

This article introduces how to implement the function of copying content to the clipboard in Vue. By using the clipboard API and ClipboardJSlibrary, we can easily implement this function. I hope this article will be helpful to you.