1.核心库(必须添加的)
Qt5Core.dll
Qt5Gui.dll
Qt5Widgets.dll

2.网络库
Qt5Network.dll

2.ICU(International Component for Unicode,Unicode工具)依赖库
icudt53.dll
icuin53.dll
icuuc53.dll

3.插件库(平台、图片处理、数据库…)
bearer目录(网络编程需要添加)
p_w_picpathformats目录(图片处理需要添加)
platforms目录(windows下运行必须添加)

4.EGL依赖库
libEGL.dll
libGLESv2.dll

5.mingw依赖库
libstdc++-6.dll
libgcc_s_dw2-1.dll
libwinpthread-1.dll

6.其他(QtCreator\bin目录下,https编程需要添加)
ssleay32.dll
libeay32.dll