UIImage* img=[UIImage imageNamed:@"2.png"];//原圖
UIEdgeInsets edge=UIEdgeInsetsMake(0, 10, 0,10);
//UIImageResizingModeStretch：拉伸模式瓦糟，通過拉伸UIEdgeInsets指定的矩形區(qū)域來填充圖片
//UIImageResizingModeTile：平鋪模式，通過重復顯示UIEdgeInsets指定的矩形區(qū)域來填充圖
img= [img resizableImageWithCapInsets:edge resizingMode:UIImageResizingModeStretch];
self.imageView.image=img;
022050213626536.png
