//  UI1_UITableViewSearchController////  Created by zhangxueming on 15/7/15.//  Copyright (c) 2015年 zhangxueming. All rights reserved.//#import "AppDelegate.h"#import "ViewController.h"@interface AppDelegate ()@end@implementation AppDelegate- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {    // Override point for customization after application launch.    ViewController *root = [[ViewController alloc] init];    UINavigationController *nav = [[UINavigationController alloc] initWithRootViewController:root];    self.window.rootViewController = nav;    self.window.backgroundColor = [UIColor whiteColor];    [self.window makeK

////  ViewController.m//  UI1_UITableViewSearchController////  Created by zhangxueming on 15/7/15.//  Copyright (c) 2015年 zhangxueming. All rights reserved.//#import "ViewController.h"@interface ViewController (){    UITableView *_tableView;//表视图    NSMutableArray *_dataList;//数据源    //UISearchDisplayController    UISearchController *_searchController;//搜索控制器    NSMutableArray *_searchList;//搜索的结果}@end@implementation ViewController- (void)viewDidLoad {    [super viewDidLoad];    // Do any additional setup after loading the view, typically from a nib.    [self createData];    [self createUI];}- (void)createData{    _dataList = [NSMutableArray array];    _searchList = [NSMutableArray array];    for (int i='A'; i<='Z'; i++) {        NSMutableArray *array = [NSMutableArray array];        for (int j=0; j<5; j++) {            NSInteger num = arc4random()%50+1;            NSString *name = [NSString stringWithFormat:@"人物%d:name%ld",j,num];            [array addObject:name];        }        [_dataList addObject:array];    }}- (void)createUI{    _tableView = [[UITableView alloc] initWithFrame:self.view.frame style:UITableViewStylePlain];    _tableView.delegate = self;    _tableView.dataSource  = self;    [self.view addSubview:_tableView];        //创建搜索控制器, nil 表示在当前view上显示搜索结果    _searchController = [[UISearchController alloc] initWithSearchResultsController:nil];    //更新搜索结果    _searchController.searchResultsUpdater = self;    //隐藏导航栏    _searchController.hidesNavigationBarDuringPresentation = NO;    //背景变暗    _searchController.dimsBackgroundDuringPresentation = NO;    //添加searchBar    CGRect frame = _searchController.searchBar.frame;    frame.size.height = 44;    _searchController.searchBar.frame = frame;    _tableView.tableHeaderView = _searchController.searchBar;}#pragma mark  ---UITableView代理---//返回分区的个数- (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView{    if(_searchController.active)    {        return 1;    }    else    {        return _dataList.count;    }}//返回分区中的行数- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section{    //_dataList[section] <==> [_dataList objectAtIndex:section];    if (_searchController.active) {        return _searchList.count;    }    return [_dataList[section] count];}//创建cell- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath{    static NSString *cellId = @"cell";    UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:cellId];    if (!cell) {        cell = [[UITableViewCell alloc] initWithStyle:UITableViewCellStyleSubtitle reuseIdentifier:cellId];    }    cell.accessoryType = UITableViewCellAccessoryDisclosureIndicator;    if (_searchController.active) {        cell.textLabel.text = _searchList[indexPath.row];//[_searchList objectAtIndex:indexPath.row];    }    else    {        cell.textLabel.text = _dataList[indexPath.section][indexPath.row];    }    return cell;}//设置分区的头标题- (NSString *)tableView:(UITableView *)tableView titleForHeaderInSection:(NSInteger)section{    if (_searchController.active) {        return @"搜索结果";    }    return [NSString stringWithFormat:@"%c",(char)(section+'A')];}//设置分区头的高度- (CGFloat)tableView:(UITableView *)tableView heightForHeaderInSection:(NSInteger)section{    return 50;}//设置分区索引- (NSArray *)sectionIndexTitlesForTableView:(UITableView *)tableView{    if(_searchController.active)    {        return nil;    }    NSMutableArray *titles = [NSMutableArray array];    [titles addObject:UITableViewIndexSearch];    for (int i='A'; i<='Z'; i++) {        [titles addObject:[NSString stringWithFormat:@"%c",(char)i]];    }    return titles;}- (NSInteger)tableView:(UITableView *)tableView sectionForSectionIndexTitle:(NSString *)title atIndex:(NSInteger)index{    return index-1;}//更新搜索结果- (void)updateSearchResultsForSearchController:(UISearchController *)searchController{    [_searchList removeAllObjects];    //NSPredicate 谓词语法    //过滤数据    NSString *searchString = _searchController.searchBar.text;    for (int i=0; i<_dataList.count; i++) {        NSInteger count = [[_dataList objectAtIndex:i] count];        for (NSInteger j=0; j

 

eyAndVisible]; return YES; } // // ViewController.h // UI1_UITableViewSearchController // // Created by zhangxueming on 15/7/15. // Copyright (c) 2015年 zhangxueming. All rights reserved. // #import 
     
       @interface ViewController : UIViewController 
      
        @end