UISearchBar、UISearchDisplayController搜索

UISearchBar * search=[[UISearchBar alloc] initWithFrame:CGRectMake(0, 0, 320, 44)];

    search.showsCancelButton=YES;//显示取消按钮

    search.autocapitalizationType=UITextAutocorrectionTypeNo;//大小写

    self.searchBar=search;

    self.tableView.tableHeaderView=search;//搜索栏显示在表格顶端

    

    

    UISearchDisplayController * display=[[UISearchDisplayController alloc] initWithSearchBar:search contentsController:self];

    display.searchResultsDataSource=self;

    display.searchResultsDelegate=self;

    //[display release];

    

    [search release];

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//输入的搜索内容

        NSPredicate * predicate=[NSPredicate predicateWithFormat:@"SELF contains[cd] %@",self.searchBar.text];//cd不区分大小写    自身是否包含搜索栏的内容

        self.filterArr=[self.colors.allKeyssortedArrayUsingSelector:@selector(compare:)];

        self.filterArr=[self.filterArrfilteredArrayUsingPredicate:predicate];//筛选后的数组