设置背景 平铺*背景图片拉伸

//平铺---

UIColor *circleColorPattern = [UIColor colorWithPatternImage:  

                                  [UIImage imageNamed:@"node.png"]];  

   [self.view setBackgroundColor:circleColorPattern]; 

 

//拉伸---

  UIImage *buttonBackgroundImage = [[UIImage imageNamed:@"btnImage.jpg"]  

                                     resizableImageWithCapInsets:UIEdgeInsetsMake(0,13,0,13)];  

   [self.m_Btn setBackgroundImage:buttonBackgroundImage  

                     forState:UIControlStateNormal]; 

//对viewbackgroundpicture设置---

UIView *displayView=[[UIView alloc]initWithFrame:CGRectMake(0, 0,
dvWidth, dvHeight)];

    displayView.backgroundColor=[UIColor clearColor];

    
   UIImageView *backgroundView=[[UIImageView alloc]init];
    backgroundView.frame=CGRectMake(0, 0,
dvWidth, dvHeight);
    UIImage *backgroundpic = [[UIImage imageNamed:@"tou.png"]
                                      resizableImageWithCapInsets:UIEdgeInsetsMake(9,300,1,1)];
    backgroundView.image=backgroundpic;
    [displayView addSubview:backgroundView];