下
self.feedBackInfo = [UIButton buttonWithType:UIButtonTypeSystem];
NSMutableAttributedString *title = [[NSMutableAttributedString alloc] initWithString:@"建议反馈"];
NSRange titleRange = {0,[title length]};
[title addAttribute:NSUnderlineStyleAttributeName value:[NSNumber numberWithInteger:NSUnderlineStyleSingle] range:titleRange];
[self.feedBackInfo setAttributedTitle:title forState:UIControlStateNormal];
[self.feedBackInfo setBackgroundColor:[UIColor colorWithRed:1.0 green:0.0 blue:0.0 alpha:0.0]];
[self.feedBackInfo setContentHorizontalAlignment:UIControlContentHorizontalAlignmentLeft];
[self.feedBackInfo.titleLabel setFont:[UIFont systemFontOfSize:20]];
[self.feedBackInfo setTintColor:[UIColor whiteColor]];
[self.feedBackInfo addTarget:self action:@selector(feedback:) forControlEvents:UIControlEventTouchUpInside];
[self.view addSubview:self.feedBackInfo];
[self.feedBackInfo mas_makeConstraints:^(MASConstraintMaker *make) {
make.top.equalTo(imgDashLineView.mas_bottom).offset(20);
make.left.equalTo(weakSelf.view).offset(50);
make.right.equalTo(weakSelf.view).offset(-120);
make.height.equalTo(weakSelf.view.mas_height).multipliedBy(1/20.5f);
}];
