iPhone开发技巧之私有API--- UIBarButtonItem

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NSMutableArray *items = [NSMutableArray array];
UIBarButtonItem *item = nil;
for (int i = 100; i <= 109; i++) {
item = [[UIBarButtonItem alloc] initWithBarButtonSystemItem:i target:nil action:nil];
item.style = UIBarButtonItemStyleBordered;
[items addObject:item];
[item release];
}

item = [[UIBarButtonItem alloc] initWithBarButtonSystemItem:110 target:nil action:nil];
item.style = UIBarButtonItemStylePlain;
[items addObject:item];
[item release];

toolbar.items = items;