我尝试了以下代码,但它显示的是仍然很小的pdf ....
javascript:
render.addPrintFormatter(webView.viewPrintFormatter(),startingAtPageAt:0);
let render = UIPrintPageRenderer()
let fmt = webView.viewPrintFormatter() UIMarkupTextPrintFormatter(markupText: htmlString!)
fmt.perPageContentInsets = UIEdgeInsets(top: 72, left: 72, bottom: 72, right: 72)