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UIBarButtonItem *item = [[UIBarButtonItem alloc]initWithBarButtonSystemItem:UIBarButtonSystemItemAdd target:self action:@selector(buttonPress:)];
UINavigationItem* navItem = [[UINavigationItem alloc]init];
navItem.rightBarButtonItem = item;
navItem.title = @"患者列表";
UINavigationBar *naviBar = [[UINavigationBar alloc]init];
naviBar.items = [NSArray arrayWithObject:navItem];
naviBar.frame = CGRectMake(0.0, 0.0, self.view.frame.size.width, 44.0);
[self.tableView addSubview:naviBar];
[navItem release];
[naviBar release];