这是我需要的dll列表，我也复制了 C：\Qt\\ \\ Qt5.0.2\5.0.2\mingw47_32\plugins\platforms 文件夹：

This the list of dlls I needed and also I have copied the C:\Qt\Qt5.0.2\5.0.2\mingw47_32\plugins\platforms folder:

只是这样，它对我有用。 BTW我使用Windows 7 Ultimate 64x和Qt 5.0.2为Windows 32位（MinGW 4.7,650 MB）包为Qt。

Just this and it worked for me. BTW I use Windows 7 Ultimate 64x, and Qt 5.0.2 for Windows 32-bit (MinGW 4.7, 650 MB) package for Qt.