ios图片拉伸

   iOS 图片拉升

    CGFloat top =25; // 顶端盖高度

   CGFloat bottom = 25 ;// 底端盖高度

   CGFloat left = 10;// 左端盖宽度

   CGFloat right = 10;// 右端盖宽度

   UIEdgeInsets insets = UIEdgeInsetsMake(top, left, bottom, right);

    UIImage *image1=[UIImageimageNamed:@"denglu_denglukuang" ];

    //指定为拉伸模式，伸缩后重新赋值

    image1 = [image1 resizableImageWithCapInsets:insetsresizingMode:UIImageResizingModeStretch];

    [nameTextFieldsetBackground:image1];