ios - objective-C ... 语法，

Question

-(instancetype)initWithTitle:(NSString *)title message:(NSString *)message cancelButtonTitle:(NSString *)cancelButtonTitle otherButtonTitles:(NSString *)otherButtonTitles, ...
{
    self = [super init];
    if (self) {
        
        NSLog(@"%@",otherButtonTitles);
    }
    return self;
}

代码如上，如何拿到otherButtonTitles的列表

Answer 1

解决了

id eachTitle;
        va_list args;
        if (otherButtonTitles) {
            [self.buttonTitles addObject:otherButtonTitles];
            va_start(args, otherButtonTitles);
            while ((eachTitle = va_arg(args, id))) {
                [self.buttonTitles addObject:eachTitle];
                va_end(args);
            }
        }

Answer 2

google 可变参数

Answer 3

for (NSString *title in otherButtonTitles){
    //这样子试试，swift是这么写的
}