//获取富文本

    NSMutableAttributedString*attributeString_atts=[[NSMutableAttributedString alloc]initWithString:string];

    //背景色

    UIColor  *backgroundColor=[UIColor whiteColor];

    //字体

    UIFont *font=[UIFont fontWithName:@"STHeitiSC-Light" size:18.0];

    //偏移量

    NSNumber *baseLineOffset=[NSNumber numberWithFloat:10.0];

    //文本颜色

    UIColor  *foregroundColor=[UIColor blackColor];

    //字间距

    NSNumber *kern=[NSNumber numberWithFloat:1.5];

    //连体字

    NSNumber *ligature=[NSNumber numberWithFloat:];

    //超链接文本

    NSURL    *linkURL=[NSURL URLWithString:@"www.baidu.com"];

    //下划线格式

    NSNumber *underLine=[NSNumber numberWithInt:NSUnderlineStyleSingle];

    //段落格式 段落中有更多段落的格式

    NSMutableParagraphStyle *paragraphStyle=[[NSMutableParagraphStyle alloc]init];//新起行缩进

//    [paragraphStyle setHeadIndent:10.0];

    //首行缩进

    [paragraphStyle setFirstLineHeadIndent:21.0];

　　 //行高倍数因子
　　 [paragraphStyle setLineHeightMultiple:1.3];
　　 //行间距

    [paragraphStyle setLineSpacing:10.0];
　　 //上述两属性说明：行间距是每行之间距离，计算高度时，可能出现偏差；行高倍数因子，行高固定。

    //断行 默认按单词

//    paragraphStyle.lineBreakMode=NSLineBreakByWordWrapping;

    //

//    [paragraphStyle setTailIndent:375.0];

    NSDictionary *attrsDic=@{

                             NSForegroundColorAttributeName:foregroundColor,

                             NSBackgroundColorAttributeName:backgroundColor,

//                            NSBaselineOffsetAttributeName:baseLineOffset,

                                        NSFontAttributeName:font,

                                        NSKernAttributeName:kern,

                                    NSLigatureAttributeName:ligature,

//                                      NSLinkAttributeName:linkURL,

//                            NSUnderlineStyleAttributeName:underLine,

                              NSParagraphStyleAttributeName:paragraphStyle

                             };

　　//全文使用

    [attributeString_atts addAttributes:attrsDic range:NSMakeRange(, [string length])];

　　//计算富文本的宽度

    CGRect attrsRect=[attributeString_atts boundingRectWithSize:CGSizeMake(self.view.frame.size.width-, CGFLOAT_MAX)  options:NSStringDrawingUsesLineFragmentOrigin|NSStringDrawingUsesFontLeading context:nil];

    NSLog(@"%f",attrsRect.size.width);

    NSLog(@"%f",attrsRect.size.height);

    UILabel*label=[[UILabel alloc]initWithFrame:CGRectMake(, *number, self.view.frame.size.width-, attrsRect.size.height)];

    label.attributedText=attributeString_atts;

    label.userInteractionEnabled=YES;

    label.numberOfLines=;

    [self.view addSubview:label];