关于performSelector,
我有点困惑.我已经在谷歌上
搜索了.但我不清楚.任何人都可以解释performSelector的作用.
谢谢
[self btnClicked];
和
[self performSelector:@selector(btnClicked)];
-(void)btnClicked
{
NSLog(@"Method Called";
}
对我来说都很好.这两者有什么区别. [self btnClicked]和[self performSelector:@selector(btnClicked)];
当你使用时,两者完全相同,但后者的优点是你可以动态地确定在运行时
调用哪个选择器.
SEL selector = [self gimmeASelectorToCall];
[self performSelector: selector];
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