改進UISearchDisplayController中的搜索

Question

我想改進我的UITableViewController中的研究。 現在我有一個NSMutableArray這樣的：

NSMutableArray *array = [[NSMutableArray alloc] initWithObjects:@"the dog is brown",@"the cat is red",@"the mouse is grey"]; 

現在，如果我在searchbar例如寫：「貓」，該表會顯示「貓是紅色的」，這是確定的。 但是，如果我寫：「貓紅」，表將是空的。

我該怎麼做才能改善這一點？

所以它變得像現在使搜索：

-(void)loadArray { 

    arraySearch = [[NSMutableArray alloc] initWithCapacity:[array count]]; 
    [arraySearch addObjectsFromArray: array]; 
} 

-(void)searchBar:(UISearchBar *)searchBar textDidChange:(NSString *)searchText { 

    [arraySearch removeAllObjects]; 

    for (int z=0; z<[array count]; z++) { 

    if ([[array objectAtIndex:z] rangeOfString:searchText options:NSCaseInsensitiveSearch].location !=NSNotFound) { 

     [arraySearch addObject:[array objectAtIndex:z]]; 
    } 

     [self.tableView reloadData]; 

} 

感謝所有。

我找到了解決辦法，我想與你分享：

-(void)searchBar:(UISearchBar *)searchBar textDidChange:(NSString *)searchText { 

[arraySearch removeAllObjects]; 

    NSArray *listItems = [searchText componentsSeparatedByString:@" "]; 


NSMutableArray *arrayPredicate = [NSMutableArray array]; 
for (NSString *str in listItems) { 

    if ([str length] > 0) { 
     NSPredicate *pred = [NSPredicate predicateWithFormat:@"self contains [cd] %@ OR self contains [cd] %@", str, str]; 
     [arrayPredicate addObject:pred]; 
    } 
} 

NSPredicate *predicate = [NSCompoundPredicate andPredicateWithSubpredicates:arrayPredicate]; 

[arraySearch addObjectsFromArray:[array filteredArrayUsingPredicate:predicate]]; 


[self.tableView reloadData]; 

} 

Answer 1

-(void)searchBar:(UISearchBar *)searchBar textDidChange:(NSString *)searchText { 

    [arraySearch removeAllObjects]; 

    //Break the sentence into words 
    NSArray *listItems = [searchText componentsSeparatedByString:@" "]; 

    //Iterate each word and create predicate statement 
    NSMutableArray *predicatesArray = [NSMutableArray array]; 
    for (NSString *str in listItems) { 
     [predicatesArray addObject:[NSString stringWithFormat:@"SELF like[c] %@",str]]; 
    } 

    //Concatenate predicate statements by conditional OR 
    NSPredicate* predicate = [NSPredicate predicateWithFormat:[predicatesArray componentsJoinedByString:@" OR "]]; 

    //Filter the array against matching predicate 
    [arraySearch addObjectsFromArray:[array filteredArrayUsingPredicate:predicate]]; 

    [self.tableView reloadData]; 

}