在导航栏添加搜索框

Posted 2022-08-03 ZHZMAREN

//导航条的搜索条          UISearchBar *searchBar = [[UISearchBar alloc]initWithFrame:CGRectMake(500.0f,0.0f,250.0f,44.0f)];          searchBar.delegate = self;          [searchBar setPlaceholder:@ "搜索" ];                    //将搜索条放在一个UIView上          UIView *searchView = [[UIView alloc]initWithFrame:CGRectMake(0, 0, 768, 44)];          searchView.backgroundColor = [UIColor clearColor];          [searchView addSubview:searchBar];                    self.navigationItem.titleView = searchView;        // 自定义导航栏的背景： [[UINavigationBar appearance] setBarTintColor:[UIColor redColor]];   //@代表Dictionary      [[UINavigationBar appearance] setTitleTextAttributes:@NSForegroundColorAttributeName:[UIColor whiteColor]];