QT4的utils库源码包.解压后运行./configure配置,然后make.使用时在.pro文件中加入两行:LIBS+=-L$$(CPPLIBS)-lutils及INCLUDEPATH+=$$(CPPLIBS)/utils.-QT4 library of utils source package. Decompress after running./Configure to configure, and then make. Used in. Pro file to add two line