TableView cell 分割线顶头

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不用这么麻烦了，在- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath; 中加这两句代码就OK了。

    [cell setLayoutMargins:UIEdgeInsetsZero];
    [cell setSeparatorInset:UIEdgeInsetsZero];

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-(void)viewDidLayoutSubviews{
    
    [super viewDidLayoutSubviews];
    if ([_tableVIew respondsToSelector:@selector(setSeparatorInset:)]) {
        [_tableVIew setSeparatorInset:UIEdgeInsetsZero];
    }
    if ([_tableVIew respondsToSelector:@selector(setLayoutMargins:)]) {
        [_tableVIew setLayoutMargins:UIEdgeInsetsZero];
    }
}
-(void)tableView:(UITableView *)tableView willDisplayCell:(UITableViewCell *)cell forRowAtIndexPath:(NSIndexPath *)indexPath{
    if ([cell respondsToSelector:@selector(setSeparatorInset:)]) {
        cell.separatorInset = UIEdgeInsetsMake(0, 0, 0, 0);
        
    }
    if ([cell respondsToSelector:@selector(setLayoutMargins:)]) {
        [cell setLayoutMargins:UIEdgeInsetsZero];
    }
}

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