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With the development of the Internet, websites are becoming more and more complex, and various technologies are needed to implement them. Among them, iframe technology is a commonly used technology that can embed a web page into another web page. Using iframe technology in Vue can realize data transmission and interaction between multiple pages, improving the overall performance and user experience of the website.

This article will introduce how to use iframe technology to nest pages in Vue. The specific steps are as follows:

1. Introducing iframe in Vue

To use iframe technology in Vue, you need to introduce the iframe tag in the component. The code is as follows:

<template>
  <div>
    <iframe src="https://www.baidu.com"></iframe>
  </div>
</template>

2. Set the style of the iframe

To use iframe technology in Vue, you need to set the style of iframe, including width, height, border, etc. The code is as follows:

<template>
  <div>
    <iframe src="https://www.baidu.com" width="100%" height="500px" frameborder="0"></iframe>
  </div>
</template>

3. Nesting subpages in iframes

In Vue, you can use iframe technology to nest sub-pages. The code is as follows:

<template>
  <div>
    <iframe src="./subpage.html" width="100%" height="500px" frameborder="0"></iframe>
  </div>
</template>

4. Setting up data transfer in subpages

Using iframe technology in Vue can realize data transfer between child pages and parent pages. The code is as follows:

Set a button in the child page and pass data to the parent page when the button is clicked:

<template>
  <div>
    <button @click="sendMessage">发送消息</button>
  </div>
</template>

<script>
export default {
  methods: {
    sendMessage() {
      window.parent.postMessage({ message: 'Hello, parent!' }, '*')
    },
  },
}
</script>

In the parent page, listen to the data passed by the child page and process it:

<template>
  <div>
    <iframe src="./subpage.html" width="100%" height="500px" frameborder="0" @load="loadIframe"></iframe>
  </div>
</template>

<script>
export default {
  methods: {
    loadIframe() {
      const iframe = document.querySelector('iframe')
      iframe.contentWindow.addEventListener('message', (event) => {
        console.log(event.data.message)
      })
    },
  },
}
</script>

The above are the detailed steps to use iframe technology to nest pages in Vue. Using iframe technology can realize data transmission and interaction between multiple pages, improving the overall performance and user experience of the website.