F:\Qt\QtCreater\DataManager-build-desktop-Qt_4_8_2__4_8_2____\..\DataManager\datamanager.h:5:
错误:QDomDocument: No such file or directory
F:\Qt\QtCreater\DataManager-build-desktop-Qt_4_8_2__4_8_2____\..\DataManager\connection.h:6:
错误:QtXml: No such file or directory
但是在头文件中已经包含QDomDocument和QtXml的头文件了
#include <QDomDocument>
#include <QtXml>