ObjectiveC开发教程--字符串的连接

NSString *type =
@"hello";

NSString *subtype =
@"good";

NSString *typesub = [NSString
stringWithFormat:@"%@>%@",type,subtype];

NSString *typesub1 = [type
stringByAppendingString:subtype];

NSString *typesub2 = [type
stringByAppendingFormat:@"%@>%@",type,subtype];

NSString *a=
@"abc" ;

NSString *typesub3 = [type
stringByAppendingFormat:@"%@>%@>%@" ,type,subtype,a];

NSLog(@"%@,%@,%@,%@",typesub,typesub1,typesub2,typesub3,typesub3);