渐变色

//渐变色

        CAGradientLayer *layer = [CAGradientLayer layer];

        self.showLayer= layer;

        [self.contentView.layerinsertSublayer:layeratIndex:0];

        layer.startPoint=CGPointMake(0,0);

        layer.endPoint  =CGPointMake(0,1);

        layer.colors = [NSArray arrayWithObjects:(id)[UIColor dm_colorWithHexString:@"F5F5F5"].CGColor, (id)[UIColor dm_colorWithHexString:@"FFFFFF"].CGColor, nil];

//渐变色

    self.backgroundColor = [UIColor whiteColor];

    self.showLayer.frame=CGRectMake(0,0,kDMScreenWidth,114);