今天换了最新的编译器，可是还出现了错误，看来还是不太适合使用qt。只好放弃，希望有人能把怎么样设置qt和编译一个程序的视频传上来。
Running build steps for project hello...
Starting: D:/Qt/qt/bin/qmake.exe D:/Qt/My Application/C++ GUI QT4/chap01/hello/hello.pro -spec win32-g++ -r CONFIG+=debug_and_release
Exited with code 0.
Could not find make command: mingw32-make.exe in the build environment
Error while building project hello
When executing build step 'Make'
Canceled build.
