QPointer更安全,QScopedPointer自动出范围就删除,QSharedDataPointer帮助实现隐式共享

http://blog.csdn.net/hai200501019/article/details/8474582
http://blog.csdn.net/hai200501019/article/details/8482876
http://blog.csdn.net/hai200501019/article/details/8502451

原文地址:https://www.cnblogs.com/findumars/p/5175981.html