searchDisplayController用法

#pragma mark - 搜索栏代理方法

- (BOOL)searchDisplayController:(UISearchDisplayController *)controller shouldReloadTableForSearchString:(NSString *)searchString{

    NSPredicate *predicate = [NSPredicate predicateWithFormat:@"name CONTAINS[c] %@", searchString];

    

    if (searchResultList)

        [searchResultList removeAllObjects];

    

    searchResultList = [NSMutableArray arrayWithArray:[personList filteredArrayUsingPredicate:predicate]];

    

    return true;

}

用谓词取得匹配的搜索结果列表，清空搜索记录，展现搜索结果