简单的UIlabel自适应富文本

UILabel* namelabl=[[UILabelalloc]init];

namelabl.textColor=[UIColorwhiteColor];

NSString* name=@"这是一个可口又好吃又便宜的又高贵的蛋糕";

NSMutableParagraphStyle*paragraphStyle = [[NSMutableParagraphStylealloc]init];

paragraphStyle.lineBreakMode=NSLineBreakByCharWrapping;

NSDictionary* attribute=@{NSFontAttributeName:[UIFontsystemFontOfSize:9.0f],NSParagraphStyleAttributeName:paragraphStyle.copy};

CGSize sizename=[nameboundingRectWithSize:CGSizeMake(350,16)options:NSStringDrawingUsesLineFragmentOriginattributes:attributecontext:nil].size;

namelabl.frame=CGRectMake(4,0, sizename.width+70,42);

namelabl.text=name;

namelabl.numberOfLines=3;

namelabl.font=[UIFontsystemFontOfSize:10];

namelabl.lineBreakMode=NSLineBreakByCharWrapping;

[_alphaViewaddSubview:namelabl];