YYLabel *contentL = [[YYLabel alloc] init];
//设置多行
contentL.numberOfLines = 0;
//这个属性必须设置，多行才有效
contentL.preferredMaxLayoutWidth = kScreenWidth -32;NSMutableAttributedString *attri = [[NSMutableAttributedString alloc] initWithAttributedString:[OSCBaseCommetView contentStringFromRawString:commentItem.content withFont:24.0]];//可以将要插入的图片作为特殊字符处理
//需要使用 YYAnimatedImageView 控件，直接使用UIImage添加无效。

YYAnimatedImageView *imageView1= [[YYAnimatedImageView alloc] initWithImage:[UIImage imageNamed:@"ic_quote_left"]];
imageView1.frame = CGRectMake(0, 0, 16, 16);YYAnimatedImageView *imageView2= [[YYAnimatedImageView alloc] initWithImage:[UIImage imageNamed:@"ic_quote_right"]];
imageView2.frame = CGRectMake(0, 0, 16, 16);
// attchmentSize 修改，可以处理内边距
NSMutableAttributedString *attachText1= [NSMutableAttributedString attachmentStringWithContent:imageView1 contentMode:UIViewContentModeScaleAspectFit attachmentSize:imageView1.frame.size alignToFont:[UIFont systemFontOfSize:24] alignment:YYTextVerticalAlignmentCenter];NSMutableAttributedString *attachText2= [NSMutableAttributedString attachmentStringWithContent:imageView2 contentMode:UIViewContentModeScaleAspectFit attachmentSize:imageView2.frame.size alignToFont:[UIFont systemFontOfSize:24] alignment:YYTextVerticalAlignmentCenter];//插入到开头
[attri insertAttributedString:attachText1 atIndex:0];//插入到结尾
[attri appendAttributedString:attachText2];//用label的attributedText属性来使用富文本
contentL.attributedText = attri;CGSize maxSize = CGSizeMake([UIScreen mainScreen].bounds.size.width - 32, MAXFLOAT);//计算文本尺寸
YYTextLayout *layout = [YYTextLayout layoutWithContainerSize:maxSize text:attri];
contentL.textLayout = layout;
CGFloat introHeight = layout.textBoundingSize.height;contentL.frame =  commentItem.layoutInfo.contentTextViewFrame;
contentL.width = maxSize.width;contentL.height = introHeight + 50;[self addSubview:contentL];