#import "DJSelectCityViewController.h"#import "DJConstantValue.h"#import "DJCityGroup.h"#import "MJExtension.h"@interface DJSelectCityViewController ()<UITableViewDataSource,UITableViewDelegate,UISearchBarDelegate>/** 城市组列表 */@property (nonatomic,strong) NSMutableArray *cityGroups;@property (weak, nonatomic) IBOutlet UITableView *cityTableView;@end@implementation DJSelectCityViewController- (void)viewDidLoad {    [super viewDidLoad];     self.title = @"选择城市";    // 设置右侧索引栏字体颜色    self.cityTableView.sectionIndexColor = [UIColor blackColor];        [self setupNavLeftItem];    [self loadCityData];    }- (void)setupNavLeftItem {    UIBarButtonItem *closeItem = [UIBarButtonItem itemWithTarget:self action:@selector(close) image:@"btn_navigation_close" highlighImage:@"btn_navigation_close_hl"];        self.navigationItem.leftBarButtonItem = closeItem;}/** 加载城市数据 */- (void)loadCityData {         self.cityGroups = [DJCityGroup mj_objectArrayWithFilename:@"cityGroups.plist"];    }/** 关闭当前界面 */- (void)close {    [self dismissViewControllerAnimated:YES completion:nil];}- (void)didReceiveMemoryWarning {    [super didReceiveMemoryWarning];    // Dispose of any resources that can be recreated.}#pragma mark - UITableView 数据源方法- (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView {    return self.cityGroups.count;}- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {    DJCityGroup *cityGroup =  self.cityGroups[section];    return cityGroup.cities.count;    }- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {    static NSString *ID = @"cityGroup";    UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:ID];    if (!cell) {        cell = [[UITableViewCell alloc] initWithStyle:UITableViewCellStyleSubtitle reuseIdentifier:ID];    }    DJCityGroup *cityGroup = self.cityGroups[indexPath.section];    NSString *cityName = cityGroup.cities[indexPath.row];        cell.textLabel.text = cityName;        return cell;}#pragma mark - tableView 代理方法- (NSString *)tableView:(UITableView *)tableView titleForHeaderInSection:(NSInteger)section {    DJCityGroup *cityGroup = self.cityGroups[section];    return cityGroup.title;    }- (NSArray<NSString *> *)sectionIndexTitlesForTableView:(UITableView *)tableView {    return [self.cityGroups valueForKeyPath:@"title"];}#pragma mark - UISearchBar 代理方法/** SearchBar开始编辑 */- (void)searchBarTextDidBeginEditing:(UISearchBar *)searchBar {    // 隐藏导航栏    [self.navigationController setNavigationBarHidden:YES animated:YES];    }/** SearchBar结束编辑 */- (void)searchBarTextDidEndEditing:(UISearchBar *)searchBar {    // 显示导航栏    [self.navigationController setNavigationBarHidden:NO animated:YES];}@end