[問題] 看不懂Selector
我問一個很基礎的問題,應該是很簡單
但是我就是不懂
以CS193P的第7章舉例
- (void)viewDidLoad
{
UIBarButtonItem *fooButton = [[UIBarButtonItem alloc]
initWithTitle:@"Foo”
style:UIBarButtonItemStyleBordered
target:self
action:@selector(foo:)];
self.navigationItem.leftBarButtonItem = fooButton;
[fooButton release];
}
我看了OBJECT-C的書也看不懂他再說什麼
SELECTOR的功能是???
常看他會跟SEL搭配用
請賜教
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