摘要: NSString是Objective-C的字符串类,用该类声明的对象是不可变的。字符串的创建:NSString *str = @"scottdinggo"; //直接赋值NSString *str = [NSString stringWithFormat:@"scottdinggo"]; //调... 阅读全文
posted @ 2015-05-16 18:42 scott_dingg 阅读(118) 评论(0) 推荐(0)