交叉编译qt5后放板子上执行应用程序，./qtest 出错could not find or load the Qt platform plugin "xcb"
ls /usr/local/qt5-arm/plugins/platforms/
libqlinuxfb.so libqminimal.so libqoffscreen.so
解决方式是后面明确带platform参数
./qtest -platform linuxfb
---------------------
作者：帅得不敢出门
