示例代码：
void CreateSchedul::on_listWidget_itemClicked(QListWidgetItem* item)
{
// QString itemtext=item->text();
QString itemstring=item->text();
QStringList tmplist=itemstring.split("：");
QString holidayidoflist=tmplist.at(1);//排序为0，1，2，3，4...
bool ok;
currentholidayid=holidayidoflist.toInt(&ok);
*tmpholidayplan=*(varschedul->findHolidayPlanById(currentholidayid));
showHolidayPlan(tmpholidayplan);
ui->push_del_2->setEnabled(true);
ui->push_change_2->setEnabled(true);
}