UISearchBar、UISearchDisplayController搜索

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UISearchBar * search=[[UISearchBaralloc] 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=[NSPredicatepredicateWithFormat:@"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