1、案例介绍：一个具备搜索功能的表视图，如图01，02，03
图01
图02
图03
2、Main.storyboard,如图04
图04
3、.h
#import <UIKit/UIKit.h>@interface CQ23ViewController : UITableViewController<UISearchBarDelegate, UISearchDisplayDelegate>
// 搜索栏
@property (weak, nonatomic) IBOutlet UISearchBar *searchBar;
// 所有队伍集合
@property (nonatomic, strong) NSArray *listTeams;
// 查询后的队伍集合
@property (nonatomic, strong) NSMutableArray *listFilterTeams;// 按条件查询，加载查询出的内容，给listFilterTeams赋值
- (void)filterContentForSearchText:(NSString*)searchText scope:(NSUInteger)scope;@end
4、.m
#import "CQ23ViewController.h"@interface CQ23ViewController ()
@end
@implementation CQ23ViewController
- (void)viewDidLoad
{
[super viewDidLoad];//设定搜索栏ScopeBar隐藏
[self.searchBar setShowsScopeBar:NO];
[self.searchBar sizeToFit];NSBundle *bundle = [NSBundle mainBundle];
NSString *plistPath = [bundle pathForResource:@"team"
ofType:@"plist"];
//获取属性列表文件中的全部数据
self.listTeams = [[NSArray alloc] initWithContentsOfFile:plistPath];//初次进入查询所有数据
[self filterContentForSearchText:@"" scope:-1];
}- (void)viewDidUnload
{
[self setSearchBar:nil];
[super viewDidUnload];
}- (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation
{
return (interfaceOrientation != UIInterfaceOrientationPortraitUpsideDown);
}#pragma mark Content Filtering
- (void)filterContentForSearchText:(NSString*)searchText scope:(NSUInteger)scope;
{if([searchText length]==0)
{
//查询所有
self.listFilterTeams = [NSMutableArray arrayWithArray:self.listTeams];
return;
}NSPredicate *scopePredicate;
NSArray *tempArray ;switch (scope) {
case 0: //英文
scopePredicate = [NSPredicate predicateWithFormat:@"SELF.name contains[c] %@",searchText];
tempArray =[self.listTeams filteredArrayUsingPredicate:scopePredicate];
self.listFilterTeams = [NSMutableArray arrayWithArray:tempArray];break;
case 1:
scopePredicate = [NSPredicate predicateWithFormat:@"SELF.image contains[c] %@",searchText];
tempArray =[self.listTeams filteredArrayUsingPredicate:scopePredicate];
self.listFilterTeams = [NSMutableArray arrayWithArray:tempArray];break;
default:
//查询所有
self.listFilterTeams = [NSMutableArray arrayWithArray:self.listTeams];
break;
}
}#pragma mark --UITableViewDataSource 协议方法
- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section
{
return [self.listFilterTeams count];
}
- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath
{
static NSString *CellIdentifier = @"CellIdentifier";
UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:CellIdentifier];
if (cell == nil) {
cell = [[UITableViewCell alloc] initWithStyle:UITableViewCellStyleSubtitle reuseIdentifier:CellIdentifier];
}NSUInteger row = [indexPath row];
NSDictionary *rowDict = [self.listFilterTeams objectAtIndex:row];
cell.textLabel.text = [rowDict objectForKey:@"name"];
cell.detailTextLabel.text = [rowDict objectForKey:@"image"];NSString *imagePath = [rowDict objectForKey:@"image"];
imagePath = [imagePath stringByAppendingString:@".png"];
cell.imageView.image = [UIImage imageNamed:imagePath];cell.accessoryType = UITableViewCellAccessoryDisclosureIndicator;
return cell;
}#pragma mark --UISearchBarDelegate 协议方法
- (void)searchBarCancelButtonClicked:(UISearchBar *)searchBar
{
// 当点击取消按钮，查询所有
[self filterContentForSearchText:@"" scope:-1];
}#pragma mark - UISearchDisplayController Delegate Methods
- (BOOL)searchDisplayController:(UISearchDisplayController *)controller shouldReloadTableForSearchString:(NSString *)searchString
{
// 当文本内容发生改变时候，向表视图数据源发出重新加载消息
[self filterContentForSearchText:searchString scope:self.searchBar.selectedScopeButtonIndex];
//YES情况下表视图可以重新加载
return YES;
}
- (BOOL)searchDisplayController:(UISearchDisplayController *)controller shouldReloadTableForSearchScope:(NSInteger)searchOption
{
// 当Scope Bar选择发生变化时候，向表视图数据源发出重新加载消息
[self filterContentForSearchText:self.searchBar.text scope:searchOption];
// YES情况下表视图可以重新加载
return YES;
}
@end
iOS.UIKit.14.UITableView -- UISearchBar