UISearchDisplayController UISearchBar
分组表+本地搜索 UISearchDisplayController UISearchBar 的使用
效果图
@interface CityListViewController :UIViewController
@property (nonatomic, retain) UITableView*mTableView;
@property (nonatomic, retain) NSArray*dataList;
@property (nonatomic, retain) NSArray*searchData;
@property (nonatomic, retain)NSMutableArray *allCitys;
@property (nonatomic, retain) UISearchBar*mSearchBar;
@property (nonatomic, retain)UISearchDisplayController *searchController;
@end
#import"CityListViewController.h"
#import "AppDelegate.h"
- (void)viewDidLoad
{
//初始化分组表
self.mTableView = [[UITableView alloc] initWithFrame:CGRectMake(0, 88,320, 480) style:UITableViewStyleGrouped];
self.mTableView.delegate = self;
self.mTableView.dataSource = self;
[self.mTableViewsetContentSize:CGSizeMake(320, 3000)];
//初始化搜索条
self.mSearchBar = [[UISearchBar alloc]initWithFrame:CGRectMake(0, 44, 320, 44)];
[self.mSearchBarsetBackgroundImage:[UIImage imageNamed:@"nav_bg.png"]];
[self.mSearchBar setPlaceholder:@"搜索城市"];
self.mSearchBar.delegate = self;
[self.mSearchBar sizeToFit];
//初始化UISearchDisplayController
self.searchController =[[UISearchDisplayController alloc] initWithSearchBar:self.mSearchBarcontentsController:self];
self.searchController.searchResultsDelegate= self;
self.searchController.searchResultsDataSource = self;
self.searchController.delegate = self;
//解析数据源文件
NSString *path = [[NSBundle mainBundle]pathForResource:@"Provineces" ofType:@"plist"];
self.dataList = [NSMutableArrayarrayWithContentsOfFile:path];
//确定每个分组的行数
-(NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section
{
if([tableViewisEqual:self.searchController.searchResultsTableView]){
NSLog(@"searchData count is%d",[self.searchData count]);
return [self.searchData count];
}
else{
NSDictionary *dic = [self.dataListobjectAtIndex:section];
NSArray *cityCount = [dicobjectForKey:@"Citys"];
int count = (int)[cityCount count];
for(int i = 0;i NSDictionary *d = [cityCountobjectAtIndex:i]; NSString *Name = [dobjectForKey:@"C_Name"]; [self.allCitys addObject:Name]; } return [cityCount count]; } } //分组的个数 -(NSInteger)numberOfSectionsInTableView:(UITableView *)tableView { if([tableViewisEqual:self.searchController.searchResultsTableView]) return 1; else return [self.dataList count]; } //每个分组的Header - (NSString *)tableView:(UITableView *)tableView titleForHeaderInSection:(NSInteger)section { NSString *HeaderName; if([tableViewisEqual:self.searchController.searchResultsTableView]){ HeaderName = @"搜索结果"; }else{ NSDictionary *dict = [self.dataListobjectAtIndex:section]; HeaderName = [dictobjectForKey:@"p_Name"]; return HeaderName; } return HeaderName; } #pragma mark - UISearchDisplayControllerdelegate methods -(void)filterContentForSearchText:(NSString*)searchText scope:(NSString*)scope { NSMutableArray *searchResult =[[NSMutableArray alloc] initWithCapacity:0]; int j =(int) [self.allCitys count]; for (int i = 0; i NSString *str = [self.allCitysobjectAtIndex:i]; if([strrangeOfString:searchText].location != NSNotFound ) { [searchResult addObject:str]; } } self.searchData = [NSArrayarrayWithArray:searchResult]; [searchResult release]; } -(BOOL)searchDisplayController:(UISearchDisplayController*)controller shouldReloadTableForSearchString:(NSString *)searchString { [selffilterContentForSearchText:searchString scope:[[self.searchDisplayController.searchBar scopeButtonTitles] objectAtIndex:[self.searchDisplayController.searchBar selectedScopeButtonIndex]]]; return YES; } -(BOOL)searchDisplayController:(UISearchDisplayController *)controller shouldReloadTableForSearchScope:(NSInteger)searchOption { [selffilterContentForSearchText:[self.searchDisplayController.searchBar text] scope:[[self.searchDisplayController.searchBar scopeButtonTitles] objectAtIndex:searchOption]]; return YES; } //tableView cell刷新数据 -(UITableViewCell *) tableView:(UITableView *)tableViewcellForRowAtIndexPath:(NSIndexPath *)indexPath { static NSString *cellName =@"cellName"; UITableViewCell *cell = [tableViewdequeueReusableCellWithIdentifier:cellName]; if(cell == nil) { cell = [[UITableViewCell alloc]initWithStyle:UITableViewCellStyleDefault reuseIdentifier:cellName]; } if([tableViewisEqual:self.searchController.searchResultsTableView]){ cell.textLabel.text = [self.searchDataobjectAtIndex:indexPath.row]; }else{ NSDictionary *dict = [self.dataListobjectAtIndex:[indexPath section]]; NSArray *shengfen = [dictobjectForKey:@"Citys"]; NSDictionary *citys = [shengfenobjectAtIndex:indexPath.row]; NSString *Name = [citysobjectForKey:@"C_Name"]; cell.textLabel.text = Name; //[self.allCitys addObject:Name]; } return cell; } - (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath*)indexPath { if([tableViewisEqual:self.searchController.searchResultsTableView]){ self.cityName = [self.searchDataobjectAtIndex:indexPath.row]; ((AppDelegate *)[[UIApplicationsharedApplication]delegate]).APPDelegateCityName = self.cityName; }else{ self.cityName = [[[[self.dataListobjectAtIndex:indexPath.section] objectForKey:@"Citys"]objectAtIndex:indexPath.row] objectForKey:@"C_Name"]; ((AppDelegate *)[[UIApplicationsharedApplication]delegate]).APPDelegateCityName = self.cityName; } [self.navigationControllerpopToRootViewControllerAnimated:YES]; }