菜鸟ios开发

- (NSArray *)groups

{

if (_groups == nil) {

// NSArray *dictArray = [NSArray arrayWithContentsOfFile:[[NSBundle mainBundle] pathForResource:@"friends.plist" ofType:nil]];

NSString *path = [[NSBundle mainBundle]pathForResource:@"friends.plist" ofType:nil];

NSArray *dictArray = [[NSArray alloc]initWithContentsOfFile:path];

NSMutableArray *groupArray = [NSMutableArray array];

for (NSDictionary *dict in dictArray) {

CHFriendGroup *group = [CHFriendGroup groupWithDict:dict];

[groupArray addObject:group];

}

_groups = groupArray;

}

return _groups;

}

//懒加载