xcode iOS中的属性和合成
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Property and synthesize in iOS
提问by cyclingIsBetter
Possible Duplicate:
@property @synthesize
When must I use property and synthesize for an element as NSArray, NSSTring....or IBOutelt as UIButton or UITextFiled?
我什么时候必须使用属性并将元素合成为 NSArray、NSSTring....或 IBOutetlt 作为 UIButton 或 UITextFiled？
回答by voidzm
A property is used mainly when other objects need to change or access the ivars in your object. Without manually defining getters and setters, or using @property, other objects can't see or change the ivars. Properties are also often used for convenience of memory management, assisting you in preventing memory leaks.
属性主要在其他对象需要更改或访问您对象中的 ivars 时使用。如果不手动定义 getter 和 setter，或使用 @property，其他对象将无法看到或更改 ivars。属性也经常用于方便内存管理，帮助您防止内存泄漏。
