【iOS 知识】ios中没有.9图片。使用resizableImageWithCapInsets:UIEdgeInsetsMake

UIImage *image = [UIImage imageNamed:@"icon.png"];
image = [image resizableImageWithCapInsets:UIEdgeInsetsMake(300, 10, 10, 10) resizingMode:UIImageResizingModeStretch];

 

UIEdgeInsetsMake(300, 10, 10, 10)  这个范围内不会被拉申。