// 协议 label
UILabel *xieyiL = [[UILabel alloc] initWithFrame:CGRectMake(bottomView.height/3, 0, bottomView.width - 40 - bottomView.height/3, bottomView.height/3)];
xieyiL.textAlignment = NSTextAlignmentLeft;
xieyiL.font = Font(12);
NSMutableAttributedString *str = [[NSMutableAttributedString alloc] initWithString:@"我已经阅读并接受用户使用协议"];
[str addAttribute:NSFontAttributeName value:[UIFont systemFontOfSize:12.0] range:NSMakeRange(8, 6)];
[str addAttribute:NSForegroundColorAttributeName value:[UIColor redColor] range:NSMakeRange(8, 6)];
//加下划线
[str addAttribute:NSUnderlineStyleAttributeName value:[NSNumber numberWithInteger:NSUnderlineStyleSingle] range:NSMakeRange(8, 6)];
xieyiL.attributedText = str;
[bottomView addSubview:xieyiL];
UIButton *xieyiBtn = [[UIButton alloc] initWithFrame:CGRectMake(bottomView.height/3, 0, bottomView.width - 40 - bottomView.height/3, bottomView.height/3)];
[xieyiBtn addTarget:self action:@selector(bottomBtnClick:) forControlEvents:(UIControlEventTouchUpInside)];
xieyiBtn.tag = 4001;
[bottomView addSubview:xieyiBtn];
