Javascript 将iframe添加到React组件
是否有任何方法可以将使用Javascript 将iframe添加到React组件,javascript,reactjs,iframe,jotform,Javascript,Reactjs,Iframe,Jotform,是否有任何方法可以将使用jotform生成的iframe添加到React组件 这是iframe的代码: <iframe id="JotFormIFrame-81003857231348" onload="window.parent.scrollTo(0,0)" allowtransparency="true" allowfullscreen="true" allow="geolocation; microphone; camera" src="https://for
jotform
生成的iframe
添加到React组件
这是iframe的代码:
<iframe
id="JotFormIFrame-81003857231348"
onload="window.parent.scrollTo(0,0)"
allowtransparency="true"
allowfullscreen="true"
allow="geolocation; microphone; camera"
src="https://form.jotformeu.com/81003857231348"
frameborder="0"
style="width: 1px;
min-width: 100%;
height:539px;
border:none;"
scrolling="no"
>
</iframe>
<script type="text/javascript">
var ifr = document.getElementById("JotFormIFrame-81003857231348");
if(window.location.href && window.location.href.indexOf("?") > -1) {
var get = window.location.href.substr(window.location.href.indexOf("?") + 1);
if(ifr && get.length > 0) {
var src = ifr.src;
src = src.indexOf("?") > -1 ? src + "&" + get : src + "?" + get;
ifr.src = src;
}
}
window.handleIFrameMessage = function(e) {
var args = e.data.split(":");
if (args.length > 2) { iframe = document.getElementById("JotFormIFrame-" + args[(args.length - 1)]); } else { iframe = document.getElementById("JotFormIFrame"); }
if (!iframe) { return; }
switch (args[0]) {
case "scrollIntoView":
iframe.scrollIntoView();
break;
case "setHeight":
iframe.style.height = args[1] + "px";
break;
case "collapseErrorPage":
if (iframe.clientHeight > window.innerHeight) {
iframe.style.height = window.innerHeight + "px";
}
break;
case "reloadPage":
window.location.reload();
break;
case "loadScript":
var src = args[1];
if (args.length > 3) {
src = args[1] + ':' + args[2];
}
var script = document.createElement('script');
script.src = src;
script.type = 'text/javascript';
document.body.appendChild(script);
break;
case "exitFullscreen":
if (window.document.exitFullscreen) window.document.exitFullscreen();
else if (window.document.mozCancelFullScreen) window.document.mozCancelFullScreen();
else if (window.document.mozCancelFullscreen) window.document.mozCancelFullScreen();
else if (window.document.webkitExitFullscreen) window.document.webkitExitFullscreen();
else if (window.document.msExitFullscreen) window.document.msExitFullscreen();
break;
}
var isJotForm = (e.origin.indexOf("jotform") > -1) ? true : false;
if(isJotForm && "contentWindow" in iframe && "postMessage" in iframe.contentWindow) {
var urls = {"docurl":encodeURIComponent(document.URL),"referrer":encodeURIComponent(document.referrer)};
iframe.contentWindow.postMessage(JSON.stringify({"type":"urls","value":urls}), "*");
}
};
if (window.addEventListener) {
window.addEventListener("message", handleIFrameMessage, false);
} else if (window.attachEvent) {
window.attachEvent("onmessage", handleIFrameMessage);
}
</script>
var ifr=document.getElementById(“JotFormIFrame-81003857231348”);
if(window.location.href&&window.location.href.indexOf(“?”>-1){
var get=window.location.href.substr(window.location.href.indexOf(“?”)+1);
如果(ifr&&get.length>0){
var src=ifr.src;
src=src.indexOf(“?”>-1?src+”&“+get:src+”?“+get;
ifr.src=src;
}
}
window.handleIFrameMessage=函数(e){
var args=e.data.split(“:”);
if(args.length>2){iframe=document.getElementById(“JotFormIFrame-”+args[(args.length-1)];}else{iframe=document.getElementById(“JotFormIFrame”);}
if(!iframe){return;}
开关(参数[0]){
案例“scrollIntoView”:
iframe.scrollIntoView();
打破
案例“设置高度”:
iframe.style.height=args[1]+“px”;
打破
案例“collapseErrorPage”:
if(iframe.clientHeight>window.innerHeight){
iframe.style.height=window.innerHeight+“px”;
}
打破
案例“重新加载页面”:
window.location.reload();
打破
案例“loadScript”:
var src=args[1];
如果(参数长度>3){
src=args[1]+':'+args[2];
}
var script=document.createElement('script');
script.src=src;
script.type='text/javascript';
document.body.appendChild(脚本);
打破
案例“exitFullscreen”:
if(window.document.exitFullscreen)window.document.exitFullscreen();
else if(window.document.mozCancelFullScreen)window.document.mozCancelFullScreen();
else if(window.document.mozCancelFullscreen)window.document.mozCancelFullscreen();
else if(window.document.webkitExitFullscreen)window.document.webkitExitFullscreen();
else if(window.document.msExitFullscreen)window.document.msExitFullscreen();
打破
}
var isJotForm=(e.origin.indexOf(“jotform”)>-1)?真:假;
if(iframe中的isJotForm&&“contentWindow”和iframe.contentWindow中的“postMessage”){
var URL={“docurl”:encodeURIComponent(document.URL),“referer”:encodeURIComponent(document.referer)};
iframe.contentWindow.postMessage(JSON.stringify({“type”:“url”,“value”:url}),“*”;
}
};
if(window.addEventListener){
addEventListener(“消息”,HandleFrameMessage,false);
}else if(窗口附件){
attachEvent(“onmessage”,HandleFrameMessage);
}
我尝试使用脚本创建一个新的js文件,并将其加载到react组件中,但它无法工作,并出现以下错误:
第14行:未定义“iframe”第14行:未定义“iframe”
第15行:未定义“iframe”
第18行:未定义“iframe”
第21行:未定义“iframe”
第24行:未定义“iframe”
第25行:未定义“iframe”
第50行:未定义“iframe”
第50行:未定义“iframe”
第52行:未定义“iframe”
第56行:“HandleFrameMessage”未定义
第58行:“HandleFrameMessage”未定义
从“React”导入React;
导出默认类ScriptServices扩展React.Component{
建造师(道具){
超级(道具);
}
componentDidMount(){
const s=document.createElement('script');
s、 类型='text/javascript';
s、 异步=真;
s、 src=“./scriptServices.js”;
此.instance.appendChild;
}
render(){
返回(
)
}
}
我只是想将jotform添加到我用react构建的web应用程序中,但我无法让它工作…我制作了一个组件,可以轻松地将jotform.com表单嵌入到基于react的网站或应用程序中。它支持NextJS/Gatsby-like SSR框架 如果需要,您还可以访问一些回调,如onSubmit 您可以在此处访问它: 示例用法:
import JotFormReact 'jotform-react';
const YourApp = () => {
return (<div>
...Your App...
<JotFormReact
formURL="https://form.jotform.com/211272589254055"
/>
</div>)
}
导入JotFormReact'JotFormReact';
constyourapp=()=>{
返回(
…你的应用程序。。。
)
}
此.instance来自何处?您的上一个错误是因为这一行:window.addEventListener(“message”,handleIFrameMessage,false)代码>声明时,您已经绑定到窗口
。因此,要么删除window.handleIFrameMessage=
并用普通函数声明替换它,要么删除脚本底部的addEventListener
。
import JotFormReact 'jotform-react';
const YourApp = () => {
return (<div>
...Your App...
<JotFormReact
formURL="https://form.jotform.com/211272589254055"
/>
</div>)
}