ios 函數接收不定的參數

//[ViewController writeWithFormat:@"1", @"2", @"3", nil];

+ (void)__methodName__:(NSObject*)string, ... {// parms must be end with nil    va_list args;    va_start(args, string);    if
(string) {        NSLog(@"Do something with First: %@", string);        NSObject
*other;        while
((other = va_arg(args, NSObject
*))) {            NSLog(@"Do something with other: %@", other);        }    }    va_end(args);}