将HTML文本转换并显示在Label上

//HTML文本显示在label上

        NSString *htmlString = notice.content;

        _attrStr = [[NSAttributedString alloc] initWithData:[htmlString dataUsingEncoding:NSUnicodeStringEncoding] options:@{NSDocumentTypeDocumentAttribute:NSHTMLTextDocumentType} documentAttributes:nil error:nil];

        cell.content.attributedText = _attrStr;

        [cell.contentView addSubview:_content];