iframe与主框架跨域相互访问方法
iframe 与主框架相互访问方法1.同域相互访问
假设A.html 与 b.html domain都是localhost (同域)A.html中iframe 嵌入 B.html,name=myframeA.html有js function fMain()B.html有js function fIframe()需要实现 A.html 调用 B.html 的 fIframe(),B.html 调用 A.html 的 fMain()
A.html
view plaincopyhttps://code.csdn.net/assets/CODE_ico.pnghttps://code.csdn.net/assets/ico_fork.svg
[*]<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
[*]<html>
[*] <head>
[*]<meta http-equiv="content-type" content="text/html; charset=utf-8">
[*]<title> main window </title>
[*]
[*]<script type="text/javascript">
[*]// main js function
[*]function fMain(){
[*] alert('main function execute success');
[*]}
[*]
[*]// exec iframe function
[*]function exec_iframe(){
[*] window.myframe.fIframe();
[*]}
[*]</script>
[*]
[*] </head>
[*]
[*] <body>
[*]<p>A.html main</p>
[*]<p><input type="button" value="exec iframe function" onclick="exec_iframe()"></p>
[*]<iframe src="B.html" name="myframe" width="500" height="100"></iframe>
[*] </body>
[*]</html>
B.html
view plaincopyhttps://code.csdn.net/assets/CODE_ico.pnghttps://code.csdn.net/assets/ico_fork.svg
[*]<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
[*]<html>
[*] <head>
[*]<meta http-equiv="content-type" content="text/html; charset=utf-8">
[*]<title> iframe window </title>
[*]
[*]<script type="text/javascript">
[*]// iframe js function
[*]function fIframe(){
[*] alert('iframe function execute success');
[*]}
[*]
[*]// exec main function
[*]function exec_main(){
[*] parent.fMain();
[*]}
[*]</script>
[*]
[*] </head>
[*]
[*] <body>
[*]<p>B.html iframe</p>
[*]<p><input type="button" value="exec main function" onclick="exec_main()"></p>
[*] </body>
[*]</html>
点击A.html 的 exec iframe function button,执行成功,弹出iframe function execute success。如下图
http://img.blog.csdn.net/20131227220706671?watermark/2/text/aHR0cDovL2Jsb2cuY3Nkbi5uZXQvZmRpcHpvbmU=/font/5a6L5L2T/fontsize/400/fill/I0JBQkFCMA==/dissolve/70/gravity/SouthEast
点击B.html 的 exec main function button,执行成功,弹出 main function execute success。如下图
http://img.blog.csdn.net/20131227220713031?watermark/2/text/aHR0cDovL2Jsb2cuY3Nkbi5uZXQvZmRpcHpvbmU=/font/5a6L5L2T/fontsize/400/fill/I0JBQkFCMA==/dissolve/70/gravity/SouthEast
2.跨域互相访问
假设 A.html domain是 localhost, B.html domain 是 127.0.0.1 (跨域)这里使用 localhost 与 127.0.0.1 只是方便测试,localhost 与 127.0.0.1已经不同一个域,因此执行效果是一样的。实际使用时换成 www.domaina.com 与 www.domainb.com 即可。A.html中iframe 嵌入 B.html,name=myframe
A.html有js function fMain()
B.html有js function fIframe()
需要实现 A.html 调用 B.html 的 fIframe(),B.html 调用 A.html 的 fMain() (跨域调用)
如果使用上面同域的方法,浏览器判断A.html 与 B.html 不同域,会有错误提示。Uncaught SecurityError: Blocked a frame with origin "http://localhost" from accessing a frame with origin "http://127.0.0.1". Protocols, domains, and ports must match.
实现原理:因为浏览器为了安全,禁止了不同域访问。因此只要调用与执行的双方是同域则可以相互访问。
首先,A.html 如何调用B.html的 fIframe方法1.在A.html 创建一个 iframe2.iframe的页面放在 B.html 同域下,命名为execB.html3.execB.html 里有调用B.html fIframe方法的js调用
view plaincopyhttps://code.csdn.net/assets/CODE_ico.pnghttps://code.csdn.net/assets/ico_fork.svg
[*]<script type="text/javascript">
[*]parent.window.myframe.fIframe(); // execute parent myframe fIframe function
[*]</script>
这样A.html 就能通过 execB.html 调用 B.html 的 fIframe 方法了。
同理,B.html 需要调用A.html fMain方法,需要在B.html 嵌入与A.html 同域的 execA.html execA.html 里有调用 A.html fMain 方法的js 调用
view plaincopyhttps://code.csdn.net/assets/CODE_ico.pnghttps://code.csdn.net/assets/ico_fork.svg
[*]<script type="text/javascript">
[*]parent.parent.fMain(); // execute main function
[*]</script>
这样就能实现 A.html 与 B.html 跨域相互调用。
A.html
view plaincopyhttps://code.csdn.net/assets/CODE_ico.pnghttps://code.csdn.net/assets/ico_fork.svg
[*]<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
[*]<html>
[*] <head>
[*]<meta http-equiv="content-type" content="text/html; charset=utf-8">
[*]<title> main window </title>
[*]
[*]<script type="text/javascript">
[*]
[*]// main js function
[*]function fMain(){
[*] alert('main function execute success');
[*]}
[*]
[*]// exec iframe function
[*]function exec_iframe(){
[*] if(typeof(exec_obj)=='undefined'){
[*] exec_obj = document.createElement('iframe');
[*] exec_obj.name = 'tmp_frame';
[*] exec_obj.src = 'http://127.0.0.1/execB.html';
[*] exec_obj.style.display = 'none';
[*] document.body.appendChild(exec_obj);
[*] }else{
[*] exec_obj.src = 'http://127.0.0.1/execB.html?' + Math.random();
[*] }
[*]}
[*]</script>
[*]
[*] </head>
[*]
[*] <body>
[*]<p>A.html main</p>
[*]<p><input type="button" value="exec iframe function" onclick="exec_iframe()"></p>
[*]<iframe src="http://127.0.0.1/B.html" name="myframe" width="500" height="100"></iframe>
[*] </body>
[*]</html>
B.html
view plaincopyhttps://code.csdn.net/assets/CODE_ico.pnghttps://code.csdn.net/assets/ico_fork.svg
[*]<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
[*]<html>
[*] <head>
[*]<meta http-equiv="content-type" content="text/html; charset=utf-8">
[*]<title> iframe window </title>
[*]
[*]<script type="text/javascript">
[*]// iframe js function
[*]function fIframe(){
[*] alert('iframe function execute success');
[*]}
[*]
[*]// exec main function
[*]function exec_main(){
[*] if(typeof(exec_obj)=='undefined'){
[*] exec_obj = document.createElement('iframe');
[*] exec_obj.name = 'tmp_frame';
[*] exec_obj.src = 'http://localhost/execA.html';
[*] exec_obj.style.display = 'none';
[*] document.body.appendChild(exec_obj);
[*] }else{
[*] exec_obj.src = 'http://localhost/execA.html?' + Math.random();
[*] }
[*]}
[*]</script>
[*]
[*] </head>
[*]
[*] <body>
[*]<p>B.html iframe</p>
[*]<p><input type="button" value="exec main function" onclick="exec_main()"></p>
[*] </body>
[*]</html>
execA.html
view plaincopyhttps://code.csdn.net/assets/CODE_ico.pnghttps://code.csdn.net/assets/ico_fork.svg
[*]<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
[*]<html>
[*] <head>
[*]<meta http-equiv="content-type" content="text/html; charset=utf-8">
[*]<title> exec main function </title>
[*] </head>
[*]
[*] <body>
[*] <script type="text/javascript">
[*] parent.parent.fMain(); // execute main function
[*] </script>
[*] </body>
[*]</html>
execB.html
view plaincopyhttps://code.csdn.net/assets/CODE_ico.pnghttps://code.csdn.net/assets/ico_fork.svg
[*]<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
[*]<html>
[*] <head>
[*]<meta http-equiv="content-type" content="text/html; charset=utf-8">
[*]<title> exec iframe function </title>
[*] </head>
[*]
[*] <body>
[*] <script type="text/javascript">
[*] parent.window.myframe.fIframe(); // execute parent myframe fIframe function
[*] </script>
[*] </body>
[*]</html>
执行如下图:
http://img.blog.csdn.net/20131227230258578?watermark/2/text/aHR0cDovL2Jsb2cuY3Nkbi5uZXQvZmRpcHpvbmU=/font/5a6L5L2T/fontsize/400/fill/I0JBQkFCMA==/dissolve/70/gravity/SouthEast
http://img.blog.csdn.net/20131227230305187?watermark/2/text/aHR0cDovL2Jsb2cuY3Nkbi5uZXQvZmRpcHpvbmU=/font/5a6L5L2T/fontsize/400/fill/I0JBQkFCMA==/dissolve/70/gravity/SouthEast
源码下载地址:点击查看
Tips:我已封装成类,文章地址《php main 与 iframe 相互通讯类(同域/跨域)》
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