<template>
<div class="act-form">
<iframe
:src="src"
ref="iframe"
frameborder="no"
align="middle"
width="100%"
height="600px"
scrolling="auto" />
<el-button @click="sendMessage">向iframe发送信息</el-button>
</div>
</template>
<script>
export default {
data () {
return {
src: '',
iframeWin: null,
isLoaded: false
}
},
created () {
this.src = 'http://odp.oa.com' //获取iframe
var oIframe=document.getElementsByTagName('iframe')[0]; //获取iframe中的元素
var oText=oIframe.contentWindow.document.getElementById('navContent'); //改变iframe中元素的属性
oIframe.contentWindow.document.getElementById('navContent').style.color='red'; },
mounted () {
// 在外部vue的window上添加postMessage的监听，并且绑定处理函数handleMessage
window.addEventListener('message', this.handleMessage)
this.iframeWin = this.$refs.iframe.contentWindow
},
methods: {
sendMessage () {
console.log(this.iframeWin, 1111111)
this.iframeWin.postMessage({
cmd: 'getFormJson',
params: {}
}, '*')
},
async handleMessage (event) {
// console.log(event, 222222)
const data = event.data
// console.log(data, 333333)
switch (data.cmd) {
case 'returnFormJson':
break
case 'returnHeight':
break
}
},
async enroll (data) {
console.log('4444444')
}
}
}
</script>
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>iframe Window</title>
<style>
body {
background-color: #D53C2F;
color: white;
}
</style>
</head>
<body> <h1>Hello there, i'm an iframe</h1> <script>
// 向父vue页面发送信息
window.parent.postMessage({
cmd: 'returnHeight',
params: {
success: true,
data: document.body.scrollHeight + 'px'
}
}, '*')
// 接受父页面发来的信息
window.addEventListener('message', function (event) {
var data = event.data
switch (data.cmd) {
case 'getFormJson':
// 处理业务逻辑
break
}
})
</script>
</body>
</html>
其他案例：
<template>
<iframe v-if="$route.query.src" :src='$route.query.src' class="iframe" ref="iframe"></iframe>
<iframe v-else :src="urlPath" class="iframe" ref="iframe"></iframe>
</template> <script>
import { mapState, mapGetters } from 'vuex'
import NProgress from 'nprogress' // progress bar
import 'nprogress/nprogress.css' // progress bar style
export default {
name: 'nxframe',
data() {
return {
urlPath: this.getUrlPath() // iframe src 路径
}
},
created() {
NProgress.configure({ showSpinner: false })
},
mounted() {
this.load()
this.resize()
},
props: ['routerPath'],
watch: {
$route: function() {
this.load()
},
routerPath: function(val) {
// 监听routerPath变化，改变src路径
this.urlPath = this.getUrlPath()
}
},
components: {
...mapGetters(['tagList']),
tagListNum: function() {
return this.tagList.length !== 0
},
...mapState({
name: state => state.user.name
})
},
methods: {
// 显示等待框
show() {
NProgress.start()
},
// 隐藏等待狂
hide() {
NProgress.done()
},
// 加载浏览器窗口变化自适应
resize() {
window.onresize = () => {
this.iframeInit()
}
},
// 加载组件
load() {
this.show()
var flag = true // URL是否包含问号
if (this.$route.query.src.indexOf('?') === -1) {
flag = false
}
var list = []
for (var key in this.$route.query) {
if (key !== 'src' && key !== 'name') {
list.push(`${key}= this.$route.query[key]`)
}
}
list = list.join('&').toString()
if (flag) {
this.$route.query.src = `${this.$route.query.src}${
list.length > 0 ? `&list` : ''
}`
} else {
this.$route.query.src = `${this.$route.query.src}${
list.length > 0 ? `?list` : ''
}`
}
// 超时3s自动隐藏等待狂，加强用户体验
let time = 3
const timeFunc = setInterval(() => {
time--
if (time === 0) {
this.hide()
clearInterval(timeFunc)
}
}, 1000)
this.iframeInit()
},
// iframe窗口初始化
iframeInit() {
const iframe = this.$refs.iframe
const clientHeight = document.documentElement.clientHeight - 200
iframe.style.height = `${clientHeight}px`
if (iframe.attachEvent) {
iframe.attachEvent('onload', () => {
this.hide()
})
} else {
iframe.onload = () => {
this.hide()
}
}
},
getUrlPath: function() {
// 获取 iframe src 路径
let url = window.location.href
url = url.replace('/myiframe', '')
return url
}
}
}
</script> <style lang="scss">
.iframe {
width: 100%;
height: 100%;
border: 0;
overflow: hidden;
box-sizing: border-box;
}
</style>