QString html = "<div style='background-color: #678db2; color: #fff;height: 18px; font-weight: bold; margin-bottom: 5px;'>";
html += tr("TEST");
html += "</div>";
html += "<div style='vertical-align: baseline; height: 18px;'>";
html += "<img src=':/Icons/downloading.png'/> "+tr("DL speed: %1 KB/s", "e.g: Download speed: 10 KB/s").arg(QString(QByteArray::number(Session->getPayloadDownloadRate()/1024., 'f', 1)));
html += "</div>";
html += "<div style='vertical-align: baseline; height: 18px;'>";
html += "<img src=':/Icons/seeding.png'/> "+tr("UP speed: %1 KB/s", "e.g: Upload speed: 10 KB/s").arg(QString(QByteArray::number(Session->getPayloadUploadRate()/1024., 'f', 1)));
html += "</div>";
myTrayIcon->setToolTip(html); // tray icon
结果显示的是上面的所有字符串的相加, 并没有对html进行解析. html文本我在我在其它地方用过, 没有问题, 不知是不是还与其它的设置, 谢谢