// 输入框文字改变的时候调用
-(void)searchBar:(UISearchBar *)searchBar textDidChange:(NSString *)searchText{
// 先取消调用搜索方法
[NSObject cancelPreviousPerformRequestsWithTarget:selfselector:@selector(searchNewResult) object:nil];
// 0.5秒后调用搜索方法
[selfperformSelector:@selector(searchNewResult) withObject:nilafterDelay:0.5];
}
网友评论