2010-09-18 64 views

回答

12
NSString *newString = [@"foo" stringByAppendingString:@"bar"]; 

经常考虑使用它的可变变体 - NSMutableString,它允许在不创建新实例的情况下追加字符串:

NSMutableString *mutString = [NSMutableString stringWithString:@"foo"]; 
[mutString appendString:@"bar"];