1.? makeObjectsPerformSelector:@select(aMethod)
簡(jiǎn)介:讓數(shù)組中的每個(gè)元素 都調(diào)用 aMethod
實(shí)際應(yīng)用:
[self.navigationView.subviews makeObjectsPerformSelector:@selector(removeFromSuperview)];
2. makeObjectsPerformSelector:@select(aMethod)
withObject:oneObject