label加载网络字符串,含图片和文字

label加载网络字符串,含图片和文字
NSMutableAttributedString *attribute = [[NSMutableAttributedString alloc]initWithData:[model.noticeContent dataUsingEncoding:NSUnicodeStringEncoding] options:@{NSDocumentTypeDocumentAttribute:NSHTMLTextDocumentType} documentAttributes:nil error:nil];
self.contentLabel.attributedText = attribute;

//设置富文本的 属性

• (NSMutableAttributedString *)getHtmlStringWithString:(NSString *)string {
  NSDictionary *options = @{NSDocumentTypeDocumentAttribute : NSHTMLTextDocumentType,
  NSCharacterEncodingDocumentAttribute : @(NSUTF8StringEncoding)};
  NSData *data = [string dataUsingEncoding:NSUTF8StringEncoding];
  NSMutableAttributedString *attStr = [[NSMutableAttributedString alloc] initWithData:data options:options documentAttributes:nil error:nil];
  // 设置段落格式
  NSMutableParagraphStyle *para = [[NSMutableParagraphStyle alloc] init];
  para.lineSpacing = 8;
  para.minimumLineHeight = 16.0F;
  [attStr addAttribute:NSParagraphStyleAttributeName value:para range:NSMakeRange(0, attStr.length)];
  // 设置文本的Font
  [attStr addAttribute:NSFontAttributeName value:[UIFont systemFontOfSize:14] range:NSMakeRange(0, attStr.length)];
  // [attStr addAttribute:NSForegroundColorAttributeName value:ColorFromRGB(103, 103, 103, 1.0) range:NSMakeRange(0, attStr.length)];
  return attStr;
  }

计算富文本的高度 (我是在属性里面定义的最小的行高 para.minimumLineHeight)
CGSize attSize = [[CommonHelper getHtmlStringWithString:self.eduContent] boundingRectWithSize:CGSizeMake(SCREEN_WIDTH-24, MAXFLOAT) options:NSStringDrawingUsesLineFragmentOrigin | NSStringDrawingUsesFontLeading context:nil].size;