搜索UISearchController
1.签协议,UISearchResultsUpdating,UISearchControllerDelegate
2.代码
#pragma mark - 搜索
- (UISearchController *)searchVC
{
if (!_searchVC) {
_searchVC = [[UISearchController alloc]initWithSearchResultsController:nil];
_searchVC.searchResultsUpdater = self;
_searchVC.dimsBackgroundDuringPresentation = NO;
_searchVC.hidesNavigationBarDuringPresentation = NO;
_searchVC.searchBar.placeholder = @"输入用户编码或者发起人";
[_searchVC.searchBar setValue:@"取消" forKey:@"_cancelButtonText"];
_searchVC.searchBar.frame = CGRectMake(self.searchVC.searchBar.frame.origin.x, self.searchVC.searchBar.frame.origin.y, self.searchVC.searchBar.frame.size.width, 44.0);
self.compltedTableview.tableHeaderView = self.searchVC.searchBar;
}
return _searchVC;
}
- (void)updateSearchResultsForSearchController:(UISearchController *)searchController
{
NSString *searchString = [self.searchVC.searchBar text];
NSPredicate *preicate = [NSPredicate predicateWithFormat:@"SELF CONTAINS[c] %@", searchString];
NSMutableArray *guolvArr = [NSMutableArray array];
NSMutableArray *dicTaskCodeArr = [NSMutableArray array];
for (NSDictionary *littleDic in self.localDownloadListArray) {
[dicTaskCodeArr addObject:littleDic[@"taskCode"]];
[dicTaskCodeArr addObject:littleDic[@"creatorName"]];
}
self.searchArr = [NSMutableArray array];
//过滤数据
guolvArr= [NSMutableArray arrayWithArray:[dicTaskCodeArr filteredArrayUsingPredicate:preicate]];
NSLog(@"guolvArr %@",guolvArr);
for (NSDictionary *littleDic in self.localDownloadListArray) {
for (int i = 0 ; i < guolvArr.count;i++ ) {
if ([littleDic[@"taskCode"] isEqualToString:guolvArr[i]]){
//如果编码一致 则将该编码对应的字典存入search数组中
[self.searchArr addObject:littleDic];
}
}
if (guolvArr.count > 0 ) {
if ([littleDic[@"creatorName"] isEqualToString:guolvArr[0]]) {
[self.searchArr addObject:littleDic];
}
}
}
- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section
{
if (self.searchVC.active) {
return self.searchArr.count;//搜索结果
}else
{
return self.localDownloadListArray.count;//原始数据
}
}
- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath
{
if (!self.searchVC.active) {
_searchDict = self.localDownloadListArray[indexPath.row];
}else
{
_searchDict = _searchArr[indexPath.row];
}
static NSString *CellIdentifier = @"Cell";
CheckCell *cell = [tableView dequeueReusableCellWithIdentifier:CellIdentifier];
if (cell == nil) {
cell = [[CheckCell alloc]initWithStyle:UITableViewCellStyleDefault reuseIdentifier:CellIdentifier];
//设置点击的时候切换背景颜色
UIView *view_bg = [[UIView alloc]initWithFrame:cell.frame];
view_bg.backgroundColor = [ColorConvertUtil colorWithHexString:@"#D5E4F2"];
cell.selectedBackgroundView = view_bg;
}
[cell setData:_searchDict];//给cell传数据
cell.index = indexPath.row;
NSMutableDictionary *dicte = _selettArray[indexPath.row];
NSString *isSelect = dicte[@"seleted"];
cell.isSeleted = [isSelect intValue];
__weak typeof(self) weakSelted = self;
//已选下标或者取消
cell.seletedBlock =^(NSString *index,BOOL isSeleted){
NSInteger inde =[index integerValue];
[weakSelted seleltIndex:inde isSeleted:isSeleted ];
};
return cell;
}
NSLog(@"searchArr = %@",self.searchArr);
//刷新表格
[self.compltedTableview reloadData];
}
