你不懂要这样做什么..
treeWidget = new QTreeWidget(this);
treeWidget->setColumnCount(2);
QTreeWidgetItem *item = new QTreeWidgetItem(treeWidget, QStringList() << "" << "i love you");
QLabel *label = new QLabel;
label->setText("<font color=#ff0000>hello</font> "
"<font color=blue>Qt!</font>");
treeWidget->setItemWidget(item, 0, label);
只能在支持QTextDocument使用...所以不能直接在item里用
PS:roywillow你是女女不