iOS PerformSelector may cause a leak because its selector is unknown
开始的写法:SELselctor=NSSelectorFromString(_interaction.functionName);[selfperformSelector:selctorwithObject:nil];解决办法: 编译器警告这个是由原因的,这种警告很少出现,甚至可以简单的忽略,而且解决也很容易.具体方法如下:SELselctor=NSSelectorFromString(_in