UITextPosition* beginning = _commentTextView.beginningOfDocument; UITextRange* selectedRange = _commentTextView.selectedTextRange; UITextPosition* selectionStart = selectedRange.start; //获取光标所在位置 NSInteger location = [_commentTextView offsetFromPosition:beginning toPosition:selectionStart]; NSRange range = NSMakeRange(location-1, 1); NSString *newText = [_commentTextView.text stringByReplacingCharactersInRange:range withString:@""]; _commentTextView.text = newText; //重新设置光标的位置 _commentTextView.selectedRange = NSMakeRange(location-1, 0);
时间: 2024-10-13 09:29:11