IOS平台开发学习笔记

 

iOS开发学习笔记5：搜索栏 

UISearchBarDelegate委托常用方法：

#pragma mark -

#pragma mark search bar delegate methods

 

//点击键盘上的search按钮时调用

- (void) searchBarSearchButtonClicked:(UISearchBar *)searchBar

{

    NSString *searchTerm = searchBar.text;

    [self handleSearchForTerm:searchTerm];

}

 

//输入文本实时更新时调用

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

{

    if (searchText.length == 0) {

        [self resetSearch];

        [table reloadData];

        return;

    }

   

    [self handleSearchForTerm:searchText];

}

 

//cancel按钮点击时调用

- (void) searchBarCancelButtonClicked:(UISearchBar *)searchBar

{

    isSearching = NO;

    search.text = @"";

    [selfresetSearch];

    [tablereloadData];

    [searchBar resignFirstResponder];

}

 

//点击搜索框时调用

- (void) searchBarTextDidBeginEditing:(UISearchBar *)searchBar

{

    isSearching = YES;

    [tablereloadData];

}