转自:http://www.oschina.net/question/54100_33881
NSObject *obj = @"A string or other object."; NSLog([NSString stringWithFormat:@"%@",obj]);// 有警告 NSLog([NSString stringWithFormat:@"%@",obj],nil);// 解决方案
转自:http://www.oschina.net/question/54100_33881
NSObject *obj = @"A string or other object."; NSLog([NSString stringWithFormat:@"%@",obj]);// 有警告 NSLog([NSString stringWithFormat:@"%@",obj],nil);// 解决方案