let str_ss = "请认真填写银行帐户信息,如果填写不正确，将会影响到您的资金到帐时间，一旦填写不能随意变更，如需变更需提交申请，客服人员会在7个工作日内完成审核."

let desc_str_lab:UILabel = UILabel(frame: CGRect(x: 20,y: addH-32/4.6+300,width:SCREEN_WIDTH-40,height: 100))

desc_str_lab.text = str_ss

desc_str_lab.textAlignment = NSTextAlignment.left

desc_str_lab.numberOfLines = 0 //重要

desc_str_lab.textColor = UIColor.red

desc_str_lab.lineBreakMode = NSLineBreakMode.byWordWrapping //重要

desc_str_lab.font = UIFont(name: "HelveticaNeue",size: 14)

self.scrollView!.addSubview(desc_str_lab)

let attributedString:NSMutableAttributedString = NSMutableAttributedString(string: str_ss)

let paragraphStyle:NSMutableParagraphStyle = NSMutableParagraphStyle()

paragraphStyle.lineSpacing = 7 //大小调整

attributedString.addAttribute(NSParagraphStyleAttributeName,value: paragraphStyle,range: NSMakeRange(0,str_ss.characters.count))

desc_str_lab.attributedText = attributedString

desc_str_lab.sizeToFit()