我正在尝试将一个字符数组附加到一个NSString
。当我使用下面的代码时,出现此错误:
********* initialization method -initWithCharactersNoCopy:length:freeWhenDone: cannot be sent to an abstract object of class NSCFString: Create a concrete instance!
这是什么意思以及如何解决?
NSString *str = [[NSString new] initWithString:@"Name: "];
NSString *name = [[NSString new] stringWithUTF8String:user.name];
//NSString *name = [[NSString stringWithUTF8String:seg.segname] copy]; //this also failed
str = [str stringByAppendingString:name];
最佳答案
我认为您正在寻找这样的东西:
NSString *str = @"Name: ";
NSString *name = [NSString stringWithUTF8String:user.name];
str = [str stringByAppendingString:name];
关于cocoa - NSString stringWithUTF8String 附加错误,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/3215343/