UILabel * goodsTitle=[[UILabel alloc]init];

goodsTitle.numberOfLines=0;

goodsTitle.lineBreakMode=NSLineBreakByCharWrapping;

goodsTitle.text=@"巴黎巴黎巴黎巴黎巴黎巴黎巴黎巴黎巴黎巴黎巴黎巴黎巴黎巴黎巴黎巴黎巴黎巴黎巴黎巴黎巴黎巴黎巴";

goodsTitle.textColor=[UIColor colorWithRed:51/255.0 green:51/255.0 blue:51/255.0 alpha:1];

CGSize size=[goodsTitle sizeThatFits:CGSizeMake(Screen_Width-40, MAXFLOAT)];

goodsTitle.frame=CGRectMake(20,25, size.width, size.height);

goodsTitle.font=[UIFont fontWithName:@"PingFang SC" size:14];

[_mainScrollView addSubview:goodsTitle];