小弟最近刚开始学Qt,在编译个程序的时候出现了下面的编译错误
main.obj : error LNK2019: unresolved external symbol "class QObject * __cdecl qt_plugin_instance_qjpeg(void)" (?qt_plugin_instance_qjpeg@@YAPAVQObject@@XZ) referenced in function "public: __thiscall StaticqjpegPluginInstance::StaticqjpegPluginInstance(void)" (??0StaticqjpegPluginInstance@@QAE@XZ)
fatal error LNK1120: 1 unresolved externals