Button — 设置圆角的方法

//加载背景图片

UIImage
* normal = [
UIImage
imageNamed:@"RedButton"];

UIImage
* highted = [
UIImage
imageNamed:@"RedButtonPressed"];

//拉升方式

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

highted = [ highted
stretchableImageWithLeftCapWidth:normal.size.width
*
0.5
topCapHeight:normal.size.height
*
0.5 ];

//把拉升后的图片设置给按钮

[self.logingBtn

setBackgroundImage:normal

forState:UIControlStateNormal];

[self.logingBtn

setBackgroundImage:highted

forState:UIControlStateHighlighted];

[self.zhuCheBtn

setBackgroundImage:normal

forState:UIControlStateNormal];

[self.zhuCheBtn

setBackgroundImage:highted

forState:UIControlStateHighlighted];