qt_在子线程中更新UI——Progress\Progress\debug\main.o
...............................\........\.....\moc_MyThread.cpp
...............................\........\.....\moc_MyThread.o
...............................\........\.....\moc_progressdlg.cpp
...............................\........\.....\moc_progressdlg.o
...............................\........\.....\moc_WorkThread.cpp
...............................\........\.....\moc_WorkThread.o
...............................\........\.....\MyThread.o
...............................\........\.....\Progress.exe
...............................\........\.....\progressdlg.o
...............................\........\.....\ProgressThread.o
...............................\........\.....\WorkThread.o
...............................\........\main.cpp
...............................\........\Makefile
...............................\........\Makefile.Debug
...............................\........\Makefile.Release
...............................\........\MyThread.cpp
...............................\........\MyThread.h
...............................\........\Progress.pro
...............................\........\Progress.pro.user
...............................\........\progressdlg.cpp
...............................\........\progressdlg.h
...............................\........\progressdlg.ui
...............................\........\ui_progressdlg.h
...............................\........\WorkThread.cpp
...............................\........\WorkThread.h
...............................\........\debug
...............................\........\release
...............................\Progress
qt_在子线程中更新UI——Progress