//創(chuàng)建,ResultsController可以為nil,即當(dāng)前VC操作

self.searchController = [[UISearchController alloc] initWithSearchResultsController:[[SearchTableViewController alloc] init]];

self.searchController.searchBar.placeholder =@"在名單里查找";

//searchBar背景顏色

self.searchController.searchBar.barTintColor = RGBA(240, 240, 240, 1);

self.searchController.searchBar.tintColor = [UIColor blackColor];

self.searchController.searchResultsUpdater = self;

//有導(dǎo)航欄的時候,點擊搜索框的時候可以不讓導(dǎo)航欄消失

self.searchController.hidesNavigationBarDuringPresentation = NO;//禁止向上移動

self.searchController.searchBar.frame = CGRectMake(self.searchController.searchBar.frame.origin.x,

self.searchController.searchBar.frame.origin.y,

self.searchController.searchBar.frame.size.width, 44.0);

self.tableView.tableHeaderView = self.searchController.searchBar;