qt4中编译完全没有问题,原先pro文件
QT += core gui webkit sql network phonon
INCLUDEPATH += src/
greaterThan(QT_MAJOR_VERSION, 4): QT += widgets
在qt5中更改为
QT += core gui webkit sql network
INCLUDEPATH += src/
greaterThan(QT_MAJOR_VERSION, 4): QT += widgets
编译出错:QProxyModel: No such file or directory