//处理html格式字符串
NSMutableAttributedString * attrStr = [[NSMutableAttributedString alloc] initWithData:[longAnswerArray[0] dataUsingEncoding:NSUnicodeStringEncoding] options:@{ NSDocumentTypeDocumentAttribute: NSHTMLTextDocumentType } documentAttributes:nil error:nil];
[attrStraddAttribute:NSParagraphStyleAttributeName
value:_paraStyle
range:NSMakeRange(0, attrStr.length)];
cell.checkLabel.attributedText= attrStr;
// cell.checkLabel.text = longAnswerArray[0];
cell.checkLabel.font= [UIFontsystemFontOfSize:15.0];
