IOS 按钮初始化实例

作者：朱克锋

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//按钮初始化类型

1，initWithTitle

2，initWithImage

3，initWithBarButtonSystemItem

4，initWithCustomView

#define BARBUTTON(TITLE, SELECTOR) [[[UIBarButtonItem alloc] initWithTitle:TITLE style:UIBarButtonItemStylePlain target:self action:SELECTOR] autorelease]

#define IMGBARBUTTON(IMAGE, SELECTOR) [[[UIBarButtonItem alloc] initWithImage:IMAGE style:UIBarButtonItemStylePlain target:self action:SELECTOR] autorelease]

#define SYSBARBUTTON(ITEM, SELECTOR) [[[UIBarButtonItem alloc] initWithBarButtonSystemItem:ITEM target:self action:SELECTOR] autorelease]

#define CUSTOMBARBUTTON(VIEW) [[[UIBarButtonItem alloc] initWithCustomView:VIEW] autorelease]