08_21 Tips

数组排序:

NSArray *sortArray = [locationArr sortedArrayUsingComparator:^NSComparisonResult(NSDictionary *obj1, NSDictionary *obj2) {
            //            NSInteger index1 = [[obj1 objectForKey:@"index"] integerValue];
            //            NSInteger index2 = [[obj2 objectForKey:@"index"] integerValue];
            //            if (index1 < index2) {
            //                return NSOrderedAscending;
            //            } else {
            //                return NSOrderedDescending;
            //            }
            NSNumber *index1 = [obj1 objectForKey:@"index"];
            NSNumber *index2 = [obj2 objectForKey:@"index"];
            return [index1 compare:index2];
        }];

不重用cell设置:

- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {

    NSString *CellIdentifier = [NSString stringWithFormat:@"cell%ld%ld",(long)indexPath.section,(long)indexPath.row];
    AddAreaCell *cell= [tableView dequeueReusableCellWithIdentifier:CellIdentifier];
    if (!cell) {
        [tableView registerNib:[UINib nibWithNibName:kAddAreaCell bundle:nil] forCellReuseIdentifier:CellIdentifier];
        cell = [tableView dequeueReusableCellWithIdentifier:CellIdentifier];
    }
    cell.selectionStyle = UITableViewCellSelectionStyleNone;


    return cell;
}

tableView cell为textField 记录用户输入

// UITextfield delegate
- (void)textFieldDidEndEditing:(UITextField *)textField {

    AddAreaCell *cell = (AddAreaCell *)textField.superview.superview;
    NSIndexPath *indexP = [self.tabView indexPathForCell:cell];
    YTAreaEditInitModel *model = [_dataRecordArr objectAtIndex:indexP.row];
    if (textField.tag == 1) {
        model.x = textField.text;
    } else {
        model.y = textField.text;
    }
}