图片拉伸

图片拉伸

1.通过在界面操作

2.通过代码处理 

    UIImage *image ;

    //方法1

    [image stretchableImageWithLeftCapWidth:image.size.width*0.5 topCapHeight:image.size.height*0.5];

    //方法2

    [image resizableImageWithCapInsets:UIEdgeInsetsMake(10, 10, 10, 10) resizingMode:UIImageResizingModeStretch];