view 圆角+阴影

UIView*view = [[UIViewalloc]init];

    view.frame = CGRectMake(13.0,231.0,350.0,109.0);

    view.layer.backgroundColor= [UIColorcolorWithRed:255/255.0green:255/255.0blue:255/255.0alpha:1.0].CGColor;

    view.layer.cornerRadius = 15;

    view.layer.shadowColor= [UIColorcolorWithRed:0/255.0green:0/255.0blue:0/255.0alpha:0.1].CGColor;

    view.layer.shadowOffset=CGSizeMake(0,0);

    view.layer.shadowOpacity = 1;

    view.layer.shadowRadius = 10;

    [self.containerViewaddSubview:view];