跨域 iframe和父页面的通信
1、postMessage
https://segmentfault.com/a/1190000015597029
参考链接:https://blog.csdn.net/tang_yi_/article/details/79401280
1、postMessage
https://segmentfault.com/a/1190000015597029
参考链接:https://blog.csdn.net/tang_yi_/article/details/79401280