需要读取到excel里面的click
getExcelDocument(){
try{
let outerDoc, innerDoc;
const outerIframe = document.getElementsByTagName('iframe'); // 外层iframe的ID
outerDoc = outerIframe[0].contentDocument || outerIframe[0].contentWindow.document;
const innerIframe = outerDoc.getElementsByTagName('iframe'); // 内层iframe的ID
innerDoc = innerIframe[0].contentDocument || innerIframe[0].contentWindow.document;
}catch(e){
console.log(e)
}
}