-(id) initWithTitle:(NSString *)title message:(NSString *)message delegate:(id)delegate cancelButtonTitle:(NSString *)cancelButtonTitle otherButtonTitles:(NSString *)otherButtonTitles,...NS_REQUIRES_NIL_TERMINATION;
关于多参数的接法；
va_list argumentList;
NSMutableArray * arrlist = [NSMutableArrayarray];
if(otherButtonTitles){
[arrlist addObject:otherButtonTitles];
va_start(argumentList, otherButtonTitles);
while (NSString * eachobject = va_arg(argumentList, id))
[arrlist addObject:eachobject];
va_end(argumentList);
}
只不过这是用c＋＋
va_list argumentList;
va_start(argumentList, otherButtonTitles);
NSMutableArray * arr = [NSMutableArray array];
for (NSString * eachobject = otherButtonTitles; eachobject != nil; eachobject = va_arg(argumentList,id )) {
[arr addObject: eachobject];
}
va_end(argumentList);
这样也蛮好
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