构建SEL RUNTIME调用方法

 面试题2,如果我有(void)add1;(void)add2;--(void)add100;一百个方法,如何最快调用这些方法,顺序从add1运行到add100。

    for (int i = 1; i< 3; i++) {
        SEL customSelector = NSSelectorFromString([NSString stringWithFormat:@"update%d", i]);
        if ([self respondsToSelector:customSelector]) {
             [self performSelector:customSelector];
        }
    }

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转载自lizhuang.iteye.com/blog/1779923
SEL