JS代码格式化富文本

• (NSMutableAttributedString *)fullHTMLStringExtendToMutableString:(NSString *)bodyString width:(float)textWidth font:(UIFont *)font textColor:(UIColor *)color{
  NSMutableAttributedString *str = [[NSMutableAttributedString alloc] initWithData:[bodyString dataUsingEncoding:NSUnicodeStringEncoding] options:@{ NSDocumentTypeDocumentAttribute: NSHTMLTextDocumentType,NSFontAttributeName : font } documentAttributes:nil error:nil];
  [str enumerateAttribute:NSAttachmentAttributeName inRange:NSMakeRange(0, str.length) options:NSAttributedStringEnumerationLongestEffectiveRangeNotRequired usingBlock:^(id _Nullable value, NSRange range, BOOL * _Nonnull stop) {
  if (value && [value isKindOfClass:[NSTextAttachment class]]) {
  NSTextAttachment *textAttachment = value;
  CGFloat width = CGRectGetWidth(textAttachment.bounds);
  CGFloat height = CGRectGetHeight(textAttachment.bounds);
  if (width > [UIScreen mainScreen].bounds.size.width) {// 大于屏幕宽度时，缩小bounds宽度，高度
  height = textWidth / width * height;
  width = textWidth;
  textAttachment.bounds = CGRectMake(0, 0, width, height);
  }

    }
  

  }];
  [str addAttribute:NSForegroundColorAttributeName value:color range:NSMakeRange(0, str.length)];
  [str addAttribute:NSFontAttributeName value:font range:NSMakeRange(0, str.length)];

  NSMutableParagraphStyle style = [[NSMutableParagraphStyle alloc] init];
  // style.lineSpacing = 5MZ_RATE;
  [str addAttribute:NSParagraphStyleAttributeName value:style range:NSMakeRange(0, str.length)];
  return str;
  }