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//self.title = @"每周食譜"; //tabBarItem 和 navigationItem 都會(huì)一樣
//self.tabBarItem.title = @"每周食譜"; //無法改變tabBarItem
self.navigationItem.title = @"每周食譜"; //可以單獨(dú)改變navigationItem
//self.navigationController.title = @"AAA"; //可以單獨(dú)改變tabBarItem
