- (void)runTimeClicked
{
//objc_msgSend(self,@selector(testRuntime));
SEL testFunc = NSSelectorFromString(@"testRuntime");
//ios8下特殊写法
((void(*)(id,SEL, id,id))objc_msgSend)(self, testFunc, nil, nil);
}
- (void)testRuntime
{
NSLog(@"-----timeruntiem---");
}
示例：
NSString* tmpStr=@"Orientation";
UIInterfaceOrientation ifo=[[UIApplication sharedApplication] statusBarOrientation];
((void(*)(id,SEL,UIInterfaceOrientation,BOOL))objc_msgSend)([UIDevice currentDevice],NSSelectorFromString([NSString stringWithFormat:@"set%@:animated:",tmpStr]),ifo,NO);
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