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strong和strong， weak和weak之间有什么区别？

[英]what are the differences between __strong and strong, __weak and weak?

原文 2013-10-29 14:02:02 3 1 ios/ iphone

I am a noob in ios programming. 我是ios编程的菜鸟。 Please, explain me the meaning for these __strong and __weak properties and why they are used? 请解释一下这些__strong和__weak属性的含义以及它们的使用原因？

1 个解决方案

strong和weak是属性声明中使用的修饰符，而__strong和__weak用于变量的声明。

这是强还是弱？ - Is this strong or weak?

强弱IBOutlets之间的区别 - Difference between Strong and Weak IBOutlets

iVars引用强，弱还是什么？ - iVars references strong, weak or what?

滚动图像中强弱属性的区别 - Difference between strong and weak property in scrolling image

iOS 6中的强弱IBOutlet - strong weak IBOutlet in iOS 6

iOS中强烈而微弱的困惑 - Strong and Weak Confusion in iOS

ALAssetsLibrary结果块弱参考或强参考 - ALAssetsLibrary resultBlock weak or strong reference

iOS方法有弱有强 - iOS method with weak versus strong

有条件地使@property强弱 - Conditionally make a @property strong or weak

如何处理弱而强的指针？ - How to handle weak and strong pointer?

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