重載它的userAgentForUrl方法,返回妳想要的值,
比如:Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/535.2 (KHTML, like Gecko) Chrome/15.0.874.121 Safari/535.2
然後替換QWebView默認的Page
QWebView *pView = new QWebView(this);
chromeView->setPage(new WebPage ());