debug/mainwindow.o: In function `ZN10MainWindow7doPrintEv':
F:\HYQ_F\Projects\Qt\src\05\5-9\myPrint-build-Desktop_Qt_5_0_1_MinGW_32bit-Debug/../myPrint/mainwindow.cpp:35: undefined reference to `_imp___ZN8QPrinterC1ENS_11PrinterModeE'
F:\HYQ_F\Projects\Qt\src\05\5-9\myPrint-build-Desktop_Qt_5_0_1_MinGW_32bit-Debug/../myPrint/mainwindow.cpp:37: undefined reference to `_imp___ZN12QPrintDialogC1EP8QPrinterP7QWidget'
F:\HYQ_F\Projects\Qt\src\05\5-9\myPrint-build-Desktop_Qt_5_0_1_MinGW_32bit-Debug/../myPrint/mainwindow.cpp:41: undefined reference to `_imp___ZN20QAbstractPrintDialog16addEnabledOptionENS_17PrintDialogOptionE'
F:\HYQ_F\Projects\Qt\src\05\5-9\myPrint-build-Desktop_Qt_5_0_1_MinGW_32bit-Debug/../myPrint/mainwindow.cpp:44: undefined reference to `_imp___ZN12QPrintDialog4execEv'
F:\HYQ_F\Projects\Qt\src\05\5-9\myPrint-build-Desktop_Qt_5_0_1_MinGW_32bit-Debug/../myPrint/mainwindow.cpp:46: undefined reference to `_imp___ZN12QPrintDialogD1Ev'
F:\HYQ_F\Projects\Qt\src\05\5-9\myPrint-build-Desktop_Qt_5_0_1_MinGW_32bit-Debug/../myPrint/mainwindow.cpp:46: undefined reference to `_imp___ZN8QPrinterD1Ev'
F:\HYQ_F\Projects\Qt\src\05\5-9\myPrint-build-Desktop_Qt_5_0_1_MinGW_32bit-Debug/../myPrint/mainwindow.cpp:46: undefined reference to `_imp___ZN12QPrintDialogD1Ev'
F:\HYQ_F\Projects\Qt\src\05\5-9\myPrint-build-Desktop_Qt_5_0_1_MinGW_32bit-Debug/../myPrint/mainwindow.cpp:46: undefined reference to `_imp___ZN8QPrinterD1Ev'