-(IBAction)stretchImageView
{
UIImage *image1 =[UIImage imageNamed:@"direction.png"];
image1=[image1 stretchableImageWithLeftCapWidth:image1.size.width*0.5 topCapHeight:image1.size.height*0.5];
[self.directionImageView setImage:image1];
}
uiimage拉伸
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转载自www.cnblogs.com/guligei/p/9473831.html
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